diff --git a/src/backend/cantorWorksheet/CantorWorksheet.cpp b/src/backend/cantorWorksheet/CantorWorksheet.cpp index 912ca062b..2f8bc7ad0 100644 --- a/src/backend/cantorWorksheet/CantorWorksheet.cpp +++ b/src/backend/cantorWorksheet/CantorWorksheet.cpp @@ -1,326 +1,324 @@ /*************************************************************************** File : CantorWorksheet.cpp Project : LabPlot Description : Aspect providing a Cantor Worksheets for Multiple backends -------------------------------------------------------------------- Copyright : (C) 2015 Garvit Khatri (garvitdelhi@gmail.com) Copyright : (C) 2016 by Alexander Semke (alexander.semke@web.de) ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #include "CantorWorksheet.h" #include "VariableParser.h" #include "backend/core/column/Column.h" #include "backend/core/column/ColumnPrivate.h" #include "backend/core/Project.h" #include "commonfrontend/cantorWorksheet/CantorWorksheetView.h" #include #include #include #include #include #include #include "cantor/cantor_part.h" #include #include #include CantorWorksheet::CantorWorksheet(const QString &name, bool loading) : AbstractPart(name, AspectType::CantorWorksheet), m_backendName(name) { if (!loading) init(); } /*! initializes Cantor's part and plugins */ bool CantorWorksheet::init(QByteArray* content) { KPluginFactory* factory = KPluginLoader(QLatin1String("libcantorpart")).factory(); if (factory) { m_part = factory->create(this, QVariantList() << m_backendName << QLatin1String("--noprogress")); if (!m_part) { qDebug() << "Could not create the Cantor Part."; return false; } m_worksheetAccess = m_part->findChild(Cantor::WorksheetAccessInterface::Name); //load worksheet content if available if (content) m_worksheetAccess->loadWorksheetFromByteArray(content); connect(m_worksheetAccess, SIGNAL(modified()), this, SLOT(modified())); //Cantor's session m_session = m_worksheetAccess->session(); connect(m_session, SIGNAL(statusChanged(Cantor::Session::Status)), this, SIGNAL(statusChanged(Cantor::Session::Status))); //variable model #ifndef OLD_CANTORLIBS_VERSION m_variableModel = m_session->variableDataModel(); #else m_variableModel = m_session->variableModel(); #endif connect(m_variableModel, &QAbstractItemModel::dataChanged, this, &CantorWorksheet::dataChanged); connect(m_variableModel, &QAbstractItemModel::rowsInserted, this, &CantorWorksheet::rowsInserted); connect(m_variableModel, &QAbstractItemModel::rowsAboutToBeRemoved, this, &CantorWorksheet::rowsAboutToBeRemoved); connect(m_variableModel, &QAbstractItemModel::modelReset, this, &CantorWorksheet::modelReset); //available plugins auto* handler = m_part->findChild(QLatin1String("PanelPluginHandler")); if (!handler) { KMessageBox::error(view(), i18n("no PanelPluginHandle found for the Cantor Part.")); return false; } m_plugins = handler->plugins(); } else { //we can only get to this here if we open a project having Cantor content and Cantor plugins were not found. //return false here, a proper error message will be created in load() and propagated further. DEBUG("Failed to load cantor plugin"); return false; } return true; } //SLots void CantorWorksheet::dataChanged(const QModelIndex& index) { const QString& name = m_variableModel->data(m_variableModel->index(index.row(), 0)).toString(); Column* col = child(name); if (col) { // Cantor::DefaultVariableModel::DataRole == 257 QVariant dataValue = m_variableModel->data(m_variableModel->index(index.row(), 1), 257); if (dataValue.isNull()) dataValue = m_variableModel->data(m_variableModel->index(index.row(), 1)); const QString& value = dataValue.toString(); - auto* parser = new VariableParser(m_backendName, value); - if (parser->isParsed()) - col->replaceValues(0, parser->values()); + VariableParser parser(m_backendName, value); + if (parser.isParsed()) + col->replaceValues(0, parser.values()); } } void CantorWorksheet::rowsInserted(const QModelIndex& parent, int first, int last) { Q_UNUSED(parent) for (int i = first; i <= last; ++i) { const QString& name = m_variableModel->data(m_variableModel->index(i, 0)).toString(); QVariant dataValue = m_variableModel->data(m_variableModel->index(i, 1), 257); if (dataValue.isNull()) dataValue = m_variableModel->data(m_variableModel->index(i, 1)); const QString& value = dataValue.toString(); - auto* parser = new VariableParser(m_backendName, value); - if (parser->isParsed()) { + VariableParser parser(m_backendName, value); + if (parser.isParsed()) { Column* col = child(name); if (col) { - col->replaceValues(0, parser->values()); + col->replaceValues(0, parser.values()); } else { - col = new Column(name, parser->values()); + col = new Column(name, parser.values()); col->setUndoAware(false); addChild(col); //TODO: Cantor currently ignores the order of variables in the worksheets //and adds new variables at the last position in the model. //Fix this in Cantor and switch to insertChildBefore here later. //insertChildBefore(col, child(i)); } } else { //the already existing variable doesn't contain any numerical values -> remove it Column* col = child(name); if (col) removeChild(col); } - - delete(parser); } project()->setChanged(true); } void CantorWorksheet::modified() { project()->setChanged(true); } void CantorWorksheet::modelReset() { for (int i = 0; i < childCount(); ++i) child(i)->remove(); } void CantorWorksheet::rowsAboutToBeRemoved(const QModelIndex & parent, int first, int last) { Q_UNUSED(parent); #ifndef OLD_CANTORLIBS_VERSION for (int i = first; i <= last; ++i) { const QString& name = m_variableModel->data(m_variableModel->index(first, 0)).toString(); Column* column = child(name); if (column) column->remove(); } #else Q_UNUSED(first); Q_UNUSED(last); //TODO: Old Cantor removes rows from the model even when the variable was changed only. //We don't want this behaviour since this removes the columns from the datasource in the curve. return; #endif } QList CantorWorksheet::getPlugins() { return m_plugins; } KParts::ReadWritePart* CantorWorksheet::part() { return m_part; } QIcon CantorWorksheet::icon() const { if (m_session) return QIcon::fromTheme(m_session->backend()->icon()); return QIcon(); } QWidget* CantorWorksheet::view() const { if (!m_partView) { m_view = new CantorWorksheetView(const_cast(this)); m_view->setBaseSize(1500, 1500); m_partView = m_view; // connect(m_view, SIGNAL(statusInfo(QString)), this, SIGNAL(statusInfo(QString))); } return m_partView; } //! Return a new context menu. /** * The caller takes ownership of the menu. */ QMenu* CantorWorksheet::createContextMenu() { QMenu* menu = AbstractPart::createContextMenu(); Q_ASSERT(menu); emit requestProjectContextMenu(menu); return menu; } QString CantorWorksheet::backendName() { return this->m_backendName; } //TODO bool CantorWorksheet::exportView() const { return false; } bool CantorWorksheet::printView() { m_part->action("file_print")->trigger(); return true; } bool CantorWorksheet::printPreview() const { m_part->action("file_print_preview")->trigger(); return true; } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void CantorWorksheet::save(QXmlStreamWriter* writer) const{ writer->writeStartElement("cantorWorksheet"); writeBasicAttributes(writer); writeCommentElement(writer); //general writer->writeStartElement( "general" ); writer->writeAttribute( "backend_name", m_backendName); //TODO: save worksheet settings writer->writeEndElement(); //save the content of Cantor's worksheet QByteArray content = m_worksheetAccess->saveWorksheetToByteArray(); writer->writeStartElement("worksheet"); writer->writeAttribute("content", content.toBase64()); writer->writeEndElement(); //save columns(variables) for (auto* col : children(IncludeHidden)) col->save(writer); writer->writeEndElement(); // close "cantorWorksheet" section } //! Load from XML bool CantorWorksheet::load(XmlStreamReader* reader, bool preview) { if (!readBasicAttributes(reader)) return false; KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; bool rc = false; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "cantorWorksheet") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (!preview && reader->name() == "general") { attribs = reader->attributes(); m_backendName = attribs.value("backend_name").toString().trimmed(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("backend_name").toString()); } else if (!preview && reader->name() == "worksheet") { attribs = reader->attributes(); str = attribs.value("content").toString().trimmed(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("content").toString()); QByteArray content = QByteArray::fromBase64(str.toLatin1()); rc = init(&content); if (!rc) { QString msg = i18n("This project has Cantor content but no Cantor plugins were found. Please check your installation. The project will be closed."); reader->raiseError(msg); return false; } } else if (!preview && reader->name() == "column") { Column* column = new Column(QString()); column->setUndoAware(false); if (!column->load(reader, preview)) { delete column; return false; } addChild(column); } else { // unknown element reader->raiseWarning(i18n("unknown element '%1'", reader->name().toString())); if (!reader->skipToEndElement()) return false; } } return true; } diff --git a/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp b/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp index 564935ac1..0ad8612af 100644 --- a/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp +++ b/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp @@ -1,3740 +1,3740 @@ /*************************************************************************** File : CartesianPlot.cpp Project : LabPlot Description : Cartesian plot -------------------------------------------------------------------- Copyright : (C) 2011-2018 by Alexander Semke (alexander.semke@web.de) Copyright : (C) 2016-2018 by Stefan Gerlach (stefan.gerlach@uni.kn) Copyright : (C) 2017-2018 by Garvit Khatri (garvitdelhi@gmail.com) ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #include "CartesianPlot.h" #include "CartesianPlotPrivate.h" #include "Axis.h" #include "XYCurve.h" #include "Histogram.h" #include "XYEquationCurve.h" #include "XYDataReductionCurve.h" #include "XYDifferentiationCurve.h" #include "XYIntegrationCurve.h" #include "XYInterpolationCurve.h" #include "XYSmoothCurve.h" #include "XYFitCurve.h" #include "XYFourierFilterCurve.h" #include "XYFourierTransformCurve.h" #include "XYConvolutionCurve.h" #include "XYCorrelationCurve.h" #include "backend/core/Project.h" #include "backend/core/datatypes/DateTime2StringFilter.h" #include "backend/spreadsheet/Spreadsheet.h" #include "backend/worksheet/plots/cartesian/CartesianPlotLegend.h" #include "backend/worksheet/plots/cartesian/CustomPoint.h" #include "backend/worksheet/plots/PlotArea.h" #include "backend/worksheet/plots/AbstractPlotPrivate.h" #include "backend/worksheet/Worksheet.h" #include "backend/worksheet/plots/cartesian/Axis.h" #include "backend/worksheet/TextLabel.h" #include "backend/lib/XmlStreamReader.h" #include "backend/lib/commandtemplates.h" #include "backend/lib/macros.h" #include "backend/lib/trace.h" #include "kdefrontend/spreadsheet/PlotDataDialog.h" //for PlotDataDialog::AnalysisAction. TODO: find a better place for this enum. #include "kdefrontend/ThemeHandler.h" #include "kdefrontend/widgets/ThemesWidget.h" #include #include #include #include #include #include #include #include #include #include #include /** * \class CartesianPlot * \brief A xy-plot. * * */ CartesianPlot::CartesianPlot(const QString &name) : AbstractPlot(name, new CartesianPlotPrivate(this), AspectType::CartesianPlot) { init(); } CartesianPlot::CartesianPlot(const QString &name, CartesianPlotPrivate *dd) : AbstractPlot(name, dd, AspectType::CartesianPlot) { init(); } CartesianPlot::~CartesianPlot() { if (m_menusInitialized) { delete addNewMenu; delete zoomMenu; delete themeMenu; } delete m_coordinateSystem; //don't need to delete objects added with addChild() //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene } /*! initializes all member variables of \c CartesianPlot */ void CartesianPlot::init() { Q_D(CartesianPlot); d->cSystem = new CartesianCoordinateSystem(this); m_coordinateSystem = d->cSystem; d->rangeType = CartesianPlot::RangeFree; d->xRangeFormat = CartesianPlot::Numeric; d->yRangeFormat = CartesianPlot::Numeric; d->xRangeDateTimeFormat = "yyyy-MM-dd hh:mm:ss"; d->yRangeDateTimeFormat = "yyyy-MM-dd hh:mm:ss"; d->rangeFirstValues = 1000; d->rangeLastValues = 1000; d->autoScaleX = true; d->autoScaleY = true; d->xScale = ScaleLinear; d->yScale = ScaleLinear; d->xRangeBreakingEnabled = false; d->yRangeBreakingEnabled = false; //the following factor determines the size of the offset between the min/max points of the curves //and the coordinate system ranges, when doing auto scaling //Factor 0 corresponds to the exact match - min/max values of the curves correspond to the start/end values of the ranges. //TODO: make this factor optional. //Provide in the UI the possibility to choose between "exact" or 0% offset, 2%, 5% and 10% for the auto fit option d->autoScaleOffsetFactor = 0.0f; m_plotArea = new PlotArea(name() + " plot area"); addChildFast(m_plotArea); //Plot title m_title = new TextLabel(this->name() + QLatin1String("- ") + i18n("Title"), TextLabel::PlotTitle); addChild(m_title); m_title->setHidden(true); m_title->setParentGraphicsItem(m_plotArea->graphicsItem()); //offset between the plot area and the area defining the coordinate system, in scene units. d->horizontalPadding = Worksheet::convertToSceneUnits(1.5, Worksheet::Centimeter); d->verticalPadding = Worksheet::convertToSceneUnits(1.5, Worksheet::Centimeter); d->rightPadding = Worksheet::convertToSceneUnits(1.5, Worksheet::Centimeter); d->bottomPadding = Worksheet::convertToSceneUnits(1.5, Worksheet::Centimeter); d->symmetricPadding = true; connect(this, &AbstractAspect::aspectAdded, this, &CartesianPlot::childAdded); connect(this, &AbstractAspect::aspectRemoved, this, &CartesianPlot::childRemoved); connect(this, &AbstractAspect::deselected, this, &CartesianPlot::deselected); graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, true); graphicsItem()->setFlag(QGraphicsItem::ItemClipsChildrenToShape, true); graphicsItem()->setFlag(QGraphicsItem::ItemIsSelectable, true); graphicsItem()->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true); graphicsItem()->setFlag(QGraphicsItem::ItemIsFocusable, true); //theme is not set at this point, initialize the color palette with default colors this->setColorPalette(KConfig()); } /*! initializes all children of \c CartesianPlot and setups a default plot of type \c type with a plot title. */ void CartesianPlot::initDefault(Type type) { Q_D(CartesianPlot); switch (type) { case FourAxes: { d->xMin = 0.0; d->xMax = 1.0; d->yMin = 0.0; d->yMax = 1.0; //Axes Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisBottom); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); QPen pen = axis->majorGridPen(); pen.setStyle(Qt::SolidLine); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::DotLine); axis->setMinorGridPen(pen); axis->setSuppressRetransform(false); axis = new Axis("x axis 2", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisTop); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setMinorGridPen(pen); axis->setLabelsPosition(Axis::NoLabels); axis->title()->setText(QString()); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisLeft); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); pen = axis->majorGridPen(); pen.setStyle(Qt::SolidLine); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::DotLine); axis->setMinorGridPen(pen); axis->setSuppressRetransform(false); axis = new Axis("y axis 2", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisRight); axis->setStart(0); axis->setEnd(1); axis->setOffset(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setLabelsPosition(Axis::NoLabels); axis->title()->setText(QString()); axis->setSuppressRetransform(false); break; } case TwoAxes: { d->xMin = 0.0; d->xMax = 1.0; d->yMin = 0.0; d->yMax = 1.0; Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisBottom); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisLeft); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->setSuppressRetransform(false); break; } case TwoAxesCentered: { d->xMin = -0.5; d->xMax = 0.5; d->yMin = -0.5; d->yMax = 0.5; d->horizontalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); d->verticalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); QPen pen = m_plotArea->borderPen(); pen.setStyle(Qt::NoPen); m_plotArea->setBorderPen(pen); Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCentered); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCentered); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); break; } case TwoAxesCenteredZero: { d->xMin = -0.5; d->xMax = 0.5; d->yMin = -0.5; d->yMax = 0.5; d->horizontalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); d->verticalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); QPen pen = m_plotArea->borderPen(); pen.setStyle(Qt::NoPen); m_plotArea->setBorderPen(pen); Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCustom); axis->setOffset(0); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCustom); axis->setOffset(0); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); break; } } d->xMinPrev = d->xMin; d->xMaxPrev = d->xMax; d->yMinPrev = d->yMin; d->yMaxPrev = d->yMax; //Geometry, specify the plot rect in scene coordinates. //TODO: Use default settings for left, top, width, height and for min/max for the coordinate system float x = Worksheet::convertToSceneUnits(2, Worksheet::Centimeter); float y = Worksheet::convertToSceneUnits(2, Worksheet::Centimeter); float w = Worksheet::convertToSceneUnits(10, Worksheet::Centimeter); float h = Worksheet::convertToSceneUnits(10, Worksheet::Centimeter); //all plot children are initialized -> set the geometry of the plot in scene coordinates. d->rect = QRectF(x,y,w,h); d->retransform(); } void CartesianPlot::initActions() { //"add new" actions addCurveAction = new QAction(QIcon::fromTheme("labplot-xy-curve"), i18n("xy-curve"), this); addHistogramAction = new QAction(QIcon::fromTheme("view-object-histogram-linear"), i18n("Histogram"), this); addEquationCurveAction = new QAction(QIcon::fromTheme("labplot-xy-equation-curve"), i18n("xy-curve from a mathematical Equation"), this); // no icons yet addDataReductionCurveAction = new QAction(i18n("xy-curve from a Data Reduction"), this); addDifferentiationCurveAction = new QAction(i18n("xy-curve from a Differentiation"), this); addIntegrationCurveAction = new QAction(i18n("xy-curve from an Integration"), this); addInterpolationCurveAction = new QAction(i18n("xy-curve from an Interpolation"), this); addSmoothCurveAction = new QAction(i18n("xy-curve from a Smooth"), this); addFitCurveAction = new QAction(QIcon::fromTheme("labplot-xy-fit-curve"), i18n("xy-curve from a Fit to Data"), this); addFourierFilterCurveAction = new QAction(i18n("xy-curve from a Fourier Filter"), this); addFourierTransformCurveAction = new QAction(i18n("xy-curve from a Fourier Transform"), this); addConvolutionCurveAction = new QAction(i18n("xy-curve from a (De-)Convolution"), this); addCorrelationCurveAction = new QAction(i18n("xy-curve from a Auto-/Cross-Correlation"), this); // addInterpolationCurveAction = new QAction(QIcon::fromTheme("labplot-xy-interpolation-curve"), i18n("xy-curve from an interpolation"), this); // addSmoothCurveAction = new QAction(QIcon::fromTheme("labplot-xy-smooth-curve"), i18n("xy-curve from a smooth"), this); // addFourierFilterCurveAction = new QAction(QIcon::fromTheme("labplot-xy-fourier_filter-curve"), i18n("xy-curve from a Fourier filter"), this); // addFourierTransformCurveAction = new QAction(QIcon::fromTheme("labplot-xy-fourier_transform-curve"), i18n("xy-curve from a Fourier transform"), this); // addConvolutionCurveAction = new QAction(QIcon::fromTheme("labplot-xy-convolution-curve"), i18n("xy-curve from a (de-)convolution"), this); // addCorrelationCurveAction = new QAction(QIcon::fromTheme("labplot-xy-correlation-curve"), i18n("xy-curve from a auto-/cross-correlation"), this); addLegendAction = new QAction(QIcon::fromTheme("text-field"), i18n("Legend"), this); if (children().size()>0) addLegendAction->setEnabled(false); //only one legend is allowed -> disable the action addHorizontalAxisAction = new QAction(QIcon::fromTheme("labplot-axis-horizontal"), i18n("Horizontal Axis"), this); addVerticalAxisAction = new QAction(QIcon::fromTheme("labplot-axis-vertical"), i18n("Vertical Axis"), this); addTextLabelAction = new QAction(QIcon::fromTheme("draw-text"), i18n("Text Label"), this); addCustomPointAction = new QAction(QIcon::fromTheme("draw-cross"), i18n("Custom Point"), this); connect(addCurveAction, &QAction::triggered, this, &CartesianPlot::addCurve); connect(addHistogramAction,&QAction::triggered, this, &CartesianPlot::addHistogram); connect(addEquationCurveAction, &QAction::triggered, this, &CartesianPlot::addEquationCurve); connect(addDataReductionCurveAction, &QAction::triggered, this, &CartesianPlot::addDataReductionCurve); connect(addDifferentiationCurveAction, &QAction::triggered, this, &CartesianPlot::addDifferentiationCurve); connect(addIntegrationCurveAction, &QAction::triggered, this, &CartesianPlot::addIntegrationCurve); connect(addInterpolationCurveAction, &QAction::triggered, this, &CartesianPlot::addInterpolationCurve); connect(addSmoothCurveAction, &QAction::triggered, this, &CartesianPlot::addSmoothCurve); connect(addFitCurveAction, &QAction::triggered, this, &CartesianPlot::addFitCurve); connect(addFourierFilterCurveAction, &QAction::triggered, this, &CartesianPlot::addFourierFilterCurve); connect(addFourierTransformCurveAction, &QAction::triggered, this, &CartesianPlot::addFourierTransformCurve); connect(addConvolutionCurveAction, &QAction::triggered, this, &CartesianPlot::addConvolutionCurve); connect(addCorrelationCurveAction, &QAction::triggered, this, &CartesianPlot::addCorrelationCurve); connect(addLegendAction, &QAction::triggered, this, static_cast(&CartesianPlot::addLegend)); connect(addHorizontalAxisAction, &QAction::triggered, this, &CartesianPlot::addHorizontalAxis); connect(addVerticalAxisAction, &QAction::triggered, this, &CartesianPlot::addVerticalAxis); connect(addTextLabelAction, &QAction::triggered, this, &CartesianPlot::addTextLabel); connect(addCustomPointAction, &QAction::triggered, this, &CartesianPlot::addCustomPoint); //Analysis menu actions addDataOperationAction = new QAction(i18n("Data Operation"), this); addDataReductionAction = new QAction(i18n("Reduce Data"), this); addDifferentiationAction = new QAction(i18n("Differentiate"), this); addIntegrationAction = new QAction(i18n("Integrate"), this); addInterpolationAction = new QAction(i18n("Interpolate"), this); addSmoothAction = new QAction(i18n("Smooth"), this); addConvolutionAction = new QAction(i18n("Convolute/Deconvolute"), this); addCorrelationAction = new QAction(i18n("Auto-/Cross-Correlation"), this); QAction* fitAction = new QAction(i18n("Linear"), this); fitAction->setData(PlotDataDialog::FitLinear); addFitAction.append(fitAction); fitAction = new QAction(i18n("Power"), this); fitAction->setData(PlotDataDialog::FitPower); addFitAction.append(fitAction); fitAction = new QAction(i18n("Exponential (degree 1)"), this); fitAction->setData(PlotDataDialog::FitExp1); addFitAction.append(fitAction); fitAction = new QAction(i18n("Exponential (degree 2)"), this); fitAction->setData(PlotDataDialog::FitExp2); addFitAction.append(fitAction); fitAction = new QAction(i18n("Inverse exponential"), this); fitAction->setData(PlotDataDialog::FitInvExp); addFitAction.append(fitAction); fitAction = new QAction(i18n("Gauss"), this); fitAction->setData(PlotDataDialog::FitGauss); addFitAction.append(fitAction); fitAction = new QAction(i18n("Cauchy-Lorentz"), this); fitAction->setData(PlotDataDialog::FitCauchyLorentz); addFitAction.append(fitAction); fitAction = new QAction(i18n("Arc Tangent"), this); fitAction->setData(PlotDataDialog::FitTan); addFitAction.append(fitAction); fitAction = new QAction(i18n("Hyperbolic Tangent"), this); fitAction->setData(PlotDataDialog::FitTanh); addFitAction.append(fitAction); fitAction = new QAction(i18n("Error Function"), this); fitAction->setData(PlotDataDialog::FitErrFunc); addFitAction.append(fitAction); fitAction = new QAction(i18n("Custom"), this); fitAction->setData(PlotDataDialog::FitCustom); addFitAction.append(fitAction); addFourierFilterAction = new QAction(i18n("Fourier Filter"), this); connect(addDataReductionAction, &QAction::triggered, this, &CartesianPlot::addDataReductionCurve); connect(addDifferentiationAction, &QAction::triggered, this, &CartesianPlot::addDifferentiationCurve); connect(addIntegrationAction, &QAction::triggered, this, &CartesianPlot::addIntegrationCurve); connect(addInterpolationAction, &QAction::triggered, this, &CartesianPlot::addInterpolationCurve); connect(addSmoothAction, &QAction::triggered, this, &CartesianPlot::addSmoothCurve); connect(addConvolutionAction, &QAction::triggered, this, &CartesianPlot::addConvolutionCurve); connect(addCorrelationAction, &QAction::triggered, this, &CartesianPlot::addCorrelationCurve); for (const auto& action : addFitAction) connect(action, &QAction::triggered, this, &CartesianPlot::addFitCurve); connect(addFourierFilterAction, &QAction::triggered, this, &CartesianPlot::addFourierFilterCurve); //zoom/navigate actions scaleAutoAction = new QAction(QIcon::fromTheme("labplot-auto-scale-all"), i18n("Auto Scale"), this); scaleAutoXAction = new QAction(QIcon::fromTheme("labplot-auto-scale-x"), i18n("Auto Scale X"), this); scaleAutoYAction = new QAction(QIcon::fromTheme("labplot-auto-scale-y"), i18n("Auto Scale Y"), this); zoomInAction = new QAction(QIcon::fromTheme("zoom-in"), i18n("Zoom In"), this); zoomOutAction = new QAction(QIcon::fromTheme("zoom-out"), i18n("Zoom Out"), this); zoomInXAction = new QAction(QIcon::fromTheme("labplot-zoom-in-x"), i18n("Zoom In X"), this); zoomOutXAction = new QAction(QIcon::fromTheme("labplot-zoom-out-x"), i18n("Zoom Out X"), this); zoomInYAction = new QAction(QIcon::fromTheme("labplot-zoom-in-y"), i18n("Zoom In Y"), this); zoomOutYAction = new QAction(QIcon::fromTheme("labplot-zoom-out-y"), i18n("Zoom Out Y"), this); shiftLeftXAction = new QAction(QIcon::fromTheme("labplot-shift-left-x"), i18n("Shift Left X"), this); shiftRightXAction = new QAction(QIcon::fromTheme("labplot-shift-right-x"), i18n("Shift Right X"), this); shiftUpYAction = new QAction(QIcon::fromTheme("labplot-shift-up-y"), i18n("Shift Up Y"), this); shiftDownYAction = new QAction(QIcon::fromTheme("labplot-shift-down-y"), i18n("Shift Down Y"), this); cursorAction = new QAction(QIcon::fromTheme("labplot-shift-down-y"), i18n("Cursor"), this); // TODO: change icon connect(scaleAutoAction, &QAction::triggered, this, &CartesianPlot::scaleAuto); connect(scaleAutoXAction, &QAction::triggered, this, &CartesianPlot::scaleAutoX); connect(scaleAutoYAction, &QAction::triggered, this, &CartesianPlot::scaleAutoY); connect(zoomInAction, &QAction::triggered, this, &CartesianPlot::zoomIn); connect(zoomOutAction, &QAction::triggered, this, &CartesianPlot::zoomOut); connect(zoomInXAction, &QAction::triggered, this, &CartesianPlot::zoomInX); connect(zoomOutXAction, &QAction::triggered, this, &CartesianPlot::zoomOutX); connect(zoomInYAction, &QAction::triggered, this, &CartesianPlot::zoomInY); connect(zoomOutYAction, &QAction::triggered, this, &CartesianPlot::zoomOutY); connect(shiftLeftXAction, &QAction::triggered, this, &CartesianPlot::shiftLeftX); connect(shiftRightXAction, &QAction::triggered, this, &CartesianPlot::shiftRightX); connect(shiftUpYAction, &QAction::triggered, this, &CartesianPlot::shiftUpY); connect(shiftDownYAction, &QAction::triggered, this, &CartesianPlot::shiftDownY); connect(cursorAction, &QAction::triggered, this, &CartesianPlot::cursor); //visibility action visibilityAction = new QAction(QIcon::fromTheme("view-visible"), i18n("Visible"), this); visibilityAction->setCheckable(true); connect(visibilityAction, &QAction::triggered, this, &CartesianPlot::visibilityChanged); } void CartesianPlot::initMenus() { initActions(); addNewMenu = new QMenu(i18n("Add New")); addNewMenu->setIcon(QIcon::fromTheme("list-add")); addNewMenu->addAction(addCurveAction); addNewMenu->addAction(addHistogramAction); addNewMenu->addAction(addEquationCurveAction); addNewMenu->addSeparator(); addNewMenu->addAction(addDataReductionCurveAction); addNewMenu->addAction(addDifferentiationCurveAction); addNewMenu->addAction(addIntegrationCurveAction); addNewMenu->addAction(addInterpolationCurveAction); addNewMenu->addAction(addSmoothCurveAction); addNewMenu->addAction(addFitCurveAction); addNewMenu->addAction(addFourierFilterCurveAction); addNewMenu->addAction(addFourierTransformCurveAction); addNewMenu->addAction(addConvolutionCurveAction); addNewMenu->addAction(addCorrelationCurveAction); addNewMenu->addSeparator(); addNewMenu->addAction(addLegendAction); addNewMenu->addSeparator(); addNewMenu->addAction(addHorizontalAxisAction); addNewMenu->addAction(addVerticalAxisAction); addNewMenu->addSeparator(); addNewMenu->addAction(addTextLabelAction); addNewMenu->addSeparator(); addNewMenu->addAction(addCustomPointAction); zoomMenu = new QMenu(i18n("Zoom")); zoomMenu->setIcon(QIcon::fromTheme("zoom-draw")); zoomMenu->addAction(scaleAutoAction); zoomMenu->addAction(scaleAutoXAction); zoomMenu->addAction(scaleAutoYAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInAction); zoomMenu->addAction(zoomOutAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInXAction); zoomMenu->addAction(zoomOutXAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInYAction); zoomMenu->addAction(zoomOutYAction); zoomMenu->addSeparator(); zoomMenu->addAction(shiftLeftXAction); zoomMenu->addAction(shiftRightXAction); zoomMenu->addSeparator(); zoomMenu->addAction(shiftUpYAction); zoomMenu->addAction(shiftDownYAction); // Data manipulation menu QMenu* dataManipulationMenu = new QMenu(i18n("Data Manipulation")); dataManipulationMenu->setIcon(QIcon::fromTheme("zoom-draw")); dataManipulationMenu->addAction(addDataOperationAction); dataManipulationMenu->addAction(addDataReductionAction); // Data fit menu QMenu* dataFitMenu = new QMenu(i18n("Fit")); dataFitMenu->setIcon(QIcon::fromTheme("labplot-xy-fit-curve")); dataFitMenu->addAction(addFitAction.at(0)); dataFitMenu->addAction(addFitAction.at(1)); dataFitMenu->addAction(addFitAction.at(2)); dataFitMenu->addAction(addFitAction.at(3)); dataFitMenu->addAction(addFitAction.at(4)); dataFitMenu->addSeparator(); dataFitMenu->addAction(addFitAction.at(5)); dataFitMenu->addAction(addFitAction.at(6)); dataFitMenu->addSeparator(); dataFitMenu->addAction(addFitAction.at(7)); dataFitMenu->addAction(addFitAction.at(8)); dataFitMenu->addAction(addFitAction.at(9)); dataFitMenu->addSeparator(); dataFitMenu->addAction(addFitAction.at(10)); //analysis menu dataAnalysisMenu = new QMenu(i18n("Analysis")); dataAnalysisMenu->insertMenu(nullptr, dataManipulationMenu); dataAnalysisMenu->addSeparator(); dataAnalysisMenu->addAction(addDifferentiationAction); dataAnalysisMenu->addAction(addIntegrationAction); dataAnalysisMenu->addSeparator(); dataAnalysisMenu->addAction(addInterpolationAction); dataAnalysisMenu->addAction(addSmoothAction); dataAnalysisMenu->addAction(addFourierFilterAction); dataAnalysisMenu->addAction(addConvolutionAction); dataAnalysisMenu->addAction(addCorrelationAction); dataAnalysisMenu->addSeparator(); dataAnalysisMenu->addMenu(dataFitMenu); //themes menu themeMenu = new QMenu(i18n("Apply Theme")); themeMenu->setIcon(QIcon::fromTheme("color-management")); auto* themeWidget = new ThemesWidget(nullptr); connect(themeWidget, &ThemesWidget::themeSelected, this, &CartesianPlot::loadTheme); connect(themeWidget, &ThemesWidget::themeSelected, themeMenu, &QMenu::close); auto* widgetAction = new QWidgetAction(this); widgetAction->setDefaultWidget(themeWidget); themeMenu->addAction(widgetAction); m_menusInitialized = true; } QMenu* CartesianPlot::createContextMenu() { if (!m_menusInitialized) initMenus(); QMenu* menu = WorksheetElement::createContextMenu(); QAction* firstAction = menu->actions().at(1); visibilityAction->setChecked(isVisible()); menu->insertAction(firstAction, visibilityAction); menu->insertMenu(firstAction, addNewMenu); menu->insertMenu(firstAction, zoomMenu); menu->insertSeparator(firstAction); menu->insertMenu(firstAction, themeMenu); menu->insertSeparator(firstAction); return menu; } QMenu* CartesianPlot::analysisMenu() { if (!m_menusInitialized) initMenus(); return dataAnalysisMenu; } /*! Returns an icon to be used in the project explorer. */ QIcon CartesianPlot::icon() const { return QIcon::fromTheme("office-chart-line"); } QVector CartesianPlot::dependsOn() const { //aspects which the plotted data in the worksheet depends on (spreadsheets and later matrices) QVector aspects; for (const auto* curve : children()) { if (curve->xColumn() && dynamic_cast(curve->xColumn()->parentAspect()) ) aspects << curve->xColumn()->parentAspect(); if (curve->yColumn() && dynamic_cast(curve->yColumn()->parentAspect()) ) aspects << curve->yColumn()->parentAspect(); } return aspects; } void CartesianPlot::navigate(CartesianPlot::NavigationOperation op) { if (op == ScaleAuto) scaleAuto(); else if (op == ScaleAutoX) scaleAutoX(); else if (op == ScaleAutoY) scaleAutoY(); else if (op == ZoomIn) zoomIn(); else if (op == ZoomOut) zoomOut(); else if (op == ZoomInX) zoomInX(); else if (op == ZoomOutX) zoomOutX(); else if (op == ZoomInY) zoomInY(); else if (op == ZoomOutY) zoomOutY(); else if (op == ShiftLeftX) shiftLeftX(); else if (op == ShiftRightX) shiftRightX(); else if (op == ShiftUpY) shiftUpY(); else if (op == ShiftDownY) shiftDownY(); } void CartesianPlot::setSuppressDataChangedSignal(bool value) { Q_D(CartesianPlot); d->suppressRetransform = value; } void CartesianPlot::processDropEvent(QDropEvent* event) { PERFTRACE("CartesianPlot::processDropEvent"); const QMimeData* mimeData = event->mimeData(); if (!mimeData) return; //deserialize the mime data to the vector of aspect pointers QByteArray data = mimeData->data(QLatin1String("labplot-dnd")); QVector vec; QDataStream stream(&data, QIODevice::ReadOnly); stream >> vec; QVector columns; for (auto a : vec) { auto* aspect = (AbstractAspect*)a; auto* column = dynamic_cast(aspect); if (column) columns << column; } //return if there are no columns being dropped. //TODO: extend this later when we allow to drag&drop plots, etc. if (columns.isEmpty()) return; //determine the first column with "x plot designation" as the x-data column for all curves to be created const AbstractColumn* xColumn = nullptr; for (const auto* column : columns) { if (column->plotDesignation() == AbstractColumn::X) { xColumn = column; break; } } //if no column with "x plot designation" is available, use the x-data column of the first curve in the plot, if (xColumn == nullptr) { QVector curves = children(); if (!curves.isEmpty()) xColumn = curves.at(0)->xColumn(); } //use the first dropped column if no column with "x plot designation" nor curves are available if (xColumn == nullptr) xColumn = columns.at(0); //create curves bool curvesAdded = false; for (const auto* column : columns) { if (column == xColumn) continue; XYCurve* curve = new XYCurve(column->name()); curve->suppressRetransform(true); //suppress retransform, all curved will be recalculated at the end curve->setXColumn(xColumn); curve->setYColumn(column); addChild(curve); curve->suppressRetransform(false); curvesAdded = true; } if (curvesAdded) dataChanged(); } bool CartesianPlot::isPanningActive() const { Q_D(const CartesianPlot); return d->panningStarted; } //############################################################################## //################################ getter methods ############################ //############################################################################## BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeType, rangeType, rangeType) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeFormat, xRangeFormat, xRangeFormat) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeFormat, yRangeFormat, yRangeFormat) BASIC_SHARED_D_READER_IMPL(CartesianPlot, int, rangeLastValues, rangeLastValues) BASIC_SHARED_D_READER_IMPL(CartesianPlot, int, rangeFirstValues, rangeFirstValues) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, autoScaleX, autoScaleX) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, xMin, xMin) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, xMax, xMax) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::Scale, xScale, xScale) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, xRangeBreakingEnabled, xRangeBreakingEnabled) CLASS_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeBreaks, xRangeBreaks, xRangeBreaks) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, autoScaleY, autoScaleY) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, yMin, yMin) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, yMax, yMax) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::Scale, yScale, yScale) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, yRangeBreakingEnabled, yRangeBreakingEnabled) CLASS_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeBreaks, yRangeBreaks, yRangeBreaks) CLASS_SHARED_D_READER_IMPL(CartesianPlot, QPen, cursorPen, cursorPen); CLASS_SHARED_D_READER_IMPL(CartesianPlot, bool, cursor0Enable, cursor0Enable); CLASS_SHARED_D_READER_IMPL(CartesianPlot, bool, cursor1Enable, cursor1Enable); CLASS_SHARED_D_READER_IMPL(CartesianPlot, QString, theme, theme) /*! returns the actual bounding rectangular of the plot area showing data (plot's rectangular minus padding) in plot's coordinates */ QRectF CartesianPlot::dataRect() const { Q_D(const CartesianPlot); return d->dataRect; } CartesianPlot::MouseMode CartesianPlot::mouseMode() const { Q_D(const CartesianPlot); return d->mouseMode; } const QString& CartesianPlot::xRangeDateTimeFormat() const { Q_D(const CartesianPlot); return d->xRangeDateTimeFormat; } const QString& CartesianPlot::yRangeDateTimeFormat() const { Q_D(const CartesianPlot); return d->yRangeDateTimeFormat; } //############################################################################## //###################### setter methods and undo commands #################### //############################################################################## /*! set the rectangular, defined in scene coordinates */ class CartesianPlotSetRectCmd : public QUndoCommand { public: CartesianPlotSetRectCmd(CartesianPlotPrivate* private_obj, QRectF rect) : m_private(private_obj), m_rect(rect) { setText(i18n("%1: change geometry rect", m_private->name())); }; void redo() override { // const double horizontalRatio = m_rect.width() / m_private->rect.width(); // const double verticalRatio = m_rect.height() / m_private->rect.height(); qSwap(m_private->rect, m_rect); // m_private->q->handleResize(horizontalRatio, verticalRatio, false); m_private->retransform(); emit m_private->q->rectChanged(m_private->rect); }; void undo() override { redo(); } private: CartesianPlotPrivate* m_private; QRectF m_rect; }; void CartesianPlot::setRect(const QRectF& rect) { Q_D(CartesianPlot); if (rect != d->rect) exec(new CartesianPlotSetRectCmd(d, rect)); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetRangeType, CartesianPlot::RangeType, rangeType, rangeChanged); void CartesianPlot::setRangeType(RangeType type) { Q_D(CartesianPlot); if (type != d->rangeType) exec(new CartesianPlotSetRangeTypeCmd(d, type, ki18n("%1: set range type"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXRangeFormat, CartesianPlot::RangeFormat, xRangeFormat, xRangeFormatChanged); void CartesianPlot::setXRangeFormat(RangeFormat format) { Q_D(CartesianPlot); if (format != d->xRangeFormat) exec(new CartesianPlotSetXRangeFormatCmd(d, format, ki18n("%1: set x-range format"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYRangeFormat, CartesianPlot::RangeFormat, yRangeFormat, yRangeFormatChanged); void CartesianPlot::setYRangeFormat(RangeFormat format) { Q_D(CartesianPlot); if (format != d->yRangeFormat) exec(new CartesianPlotSetYRangeFormatCmd(d, format, ki18n("%1: set y-range format"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetRangeLastValues, int, rangeLastValues, rangeChanged); void CartesianPlot::setRangeLastValues(int values) { Q_D(CartesianPlot); if (values != d->rangeLastValues) exec(new CartesianPlotSetRangeLastValuesCmd(d, values, ki18n("%1: set range"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetRangeFirstValues, int, rangeFirstValues, rangeChanged); void CartesianPlot::setRangeFirstValues(int values) { Q_D(CartesianPlot); if (values != d->rangeFirstValues) exec(new CartesianPlotSetRangeFirstValuesCmd(d, values, ki18n("%1: set range"))); } class CartesianPlotSetAutoScaleXCmd : public QUndoCommand { public: CartesianPlotSetAutoScaleXCmd(CartesianPlotPrivate* private_obj, bool autoScale) : m_private(private_obj), m_autoScale(autoScale), m_autoScaleOld(false), m_minOld(0.0), m_maxOld(0.0) { setText(i18n("%1: change x-range auto scaling", m_private->name())); }; void redo() override { m_autoScaleOld = m_private->autoScaleX; if (m_autoScale) { m_minOld = m_private->xMin; m_maxOld = m_private->xMax; m_private->q->scaleAutoX(); } m_private->autoScaleX = m_autoScale; emit m_private->q->xAutoScaleChanged(m_autoScale); }; void undo() override { if (!m_autoScaleOld) { m_private->xMin = m_minOld; m_private->xMax = m_maxOld; m_private->retransformScales(); } m_private->autoScaleX = m_autoScaleOld; emit m_private->q->xAutoScaleChanged(m_autoScaleOld); } private: CartesianPlotPrivate* m_private; bool m_autoScale; bool m_autoScaleOld; double m_minOld; double m_maxOld; }; void CartesianPlot::setAutoScaleX(bool autoScaleX) { Q_D(CartesianPlot); if (autoScaleX != d->autoScaleX) exec(new CartesianPlotSetAutoScaleXCmd(d, autoScaleX)); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXMin, double, xMin, retransformScales) void CartesianPlot::setXMin(double xMin) { Q_D(CartesianPlot); if (xMin != d->xMin && xMin != -INFINITY && xMin != INFINITY) exec(new CartesianPlotSetXMinCmd(d, xMin, ki18n("%1: set min x"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXMax, double, xMax, retransformScales) void CartesianPlot::setXMax(double xMax) { Q_D(CartesianPlot); if (xMax != d->xMax && xMax != -INFINITY && xMax != INFINITY) exec(new CartesianPlotSetXMaxCmd(d, xMax, ki18n("%1: set max x"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXScale, CartesianPlot::Scale, xScale, retransformScales) void CartesianPlot::setXScale(Scale scale) { Q_D(CartesianPlot); if (scale != d->xScale) exec(new CartesianPlotSetXScaleCmd(d, scale, ki18n("%1: set x scale"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXRangeBreakingEnabled, bool, xRangeBreakingEnabled, retransformScales) void CartesianPlot::setXRangeBreakingEnabled(bool enabled) { Q_D(CartesianPlot); if (enabled != d->xRangeBreakingEnabled) exec(new CartesianPlotSetXRangeBreakingEnabledCmd(d, enabled, ki18n("%1: x-range breaking enabled"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXRangeBreaks, CartesianPlot::RangeBreaks, xRangeBreaks, retransformScales) void CartesianPlot::setXRangeBreaks(const RangeBreaks& breakings) { Q_D(CartesianPlot); exec(new CartesianPlotSetXRangeBreaksCmd(d, breakings, ki18n("%1: x-range breaks changed"))); } class CartesianPlotSetAutoScaleYCmd : public QUndoCommand { public: CartesianPlotSetAutoScaleYCmd(CartesianPlotPrivate* private_obj, bool autoScale) : m_private(private_obj), m_autoScale(autoScale), m_autoScaleOld(false), m_minOld(0.0), m_maxOld(0.0) { setText(i18n("%1: change y-range auto scaling", m_private->name())); }; void redo() override { m_autoScaleOld = m_private->autoScaleY; if (m_autoScale) { m_minOld = m_private->yMin; m_maxOld = m_private->yMax; m_private->q->scaleAutoY(); } m_private->autoScaleY = m_autoScale; emit m_private->q->yAutoScaleChanged(m_autoScale); }; void undo() override { if (!m_autoScaleOld) { m_private->yMin = m_minOld; m_private->yMax = m_maxOld; m_private->retransformScales(); } m_private->autoScaleY = m_autoScaleOld; emit m_private->q->yAutoScaleChanged(m_autoScaleOld); } private: CartesianPlotPrivate* m_private; bool m_autoScale; bool m_autoScaleOld; double m_minOld; double m_maxOld; }; void CartesianPlot::setAutoScaleY(bool autoScaleY) { Q_D(CartesianPlot); if (autoScaleY != d->autoScaleY) exec(new CartesianPlotSetAutoScaleYCmd(d, autoScaleY)); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYMin, double, yMin, retransformScales) void CartesianPlot::setYMin(double yMin) { Q_D(CartesianPlot); if (yMin != d->yMin) exec(new CartesianPlotSetYMinCmd(d, yMin, ki18n("%1: set min y"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYMax, double, yMax, retransformScales) void CartesianPlot::setYMax(double yMax) { Q_D(CartesianPlot); if (yMax != d->yMax) exec(new CartesianPlotSetYMaxCmd(d, yMax, ki18n("%1: set max y"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYScale, CartesianPlot::Scale, yScale, retransformScales) void CartesianPlot::setYScale(Scale scale) { Q_D(CartesianPlot); if (scale != d->yScale) exec(new CartesianPlotSetYScaleCmd(d, scale, ki18n("%1: set y scale"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYRangeBreakingEnabled, bool, yRangeBreakingEnabled, retransformScales) void CartesianPlot::setYRangeBreakingEnabled(bool enabled) { Q_D(CartesianPlot); if (enabled != d->yRangeBreakingEnabled) exec(new CartesianPlotSetYRangeBreakingEnabledCmd(d, enabled, ki18n("%1: y-range breaking enabled"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYRangeBreaks, CartesianPlot::RangeBreaks, yRangeBreaks, retransformScales) void CartesianPlot::setYRangeBreaks(const RangeBreaks& breaks) { Q_D(CartesianPlot); exec(new CartesianPlotSetYRangeBreaksCmd(d, breaks, ki18n("%1: y-range breaks changed"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetCursorPen, QPen, cursorPen, update) void CartesianPlot::setCursorPen(const QPen &pen) { Q_D(CartesianPlot); if (pen != d->cursorPen) exec(new CartesianPlotSetCursorPenCmd(d, pen, ki18n("%1: y-range breaks changed"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetCursor0Enable, bool, cursor0Enable, updateCursor) void CartesianPlot::setCursor0Enable(const bool &enable) { Q_D(CartesianPlot); if (enable != d->cursor0Enable) { if (std::isnan(d->cursor0Pos.x())) { // if never set, set initial position d->cursor0Pos.setX(d->cSystem->mapSceneToLogical(QPointF(0,0)).x()); mousePressCursorModeSignal(0, d->cursor0Pos); // simulate mousePress to update values in the cursor dock } exec(new CartesianPlotSetCursor0EnableCmd(d, enable, ki18n("%1: Cursor0 enable"))); } } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetCursor1Enable, bool, cursor1Enable, updateCursor) void CartesianPlot::setCursor1Enable(const bool &enable) { Q_D(CartesianPlot); if (enable != d->cursor1Enable) { if (std::isnan(d->cursor1Pos.x())) { // if never set, set initial position d->cursor1Pos.setX(d->cSystem->mapSceneToLogical(QPointF(0,0)).x()); mousePressCursorModeSignal(1, d->cursor0Pos); // simulate mousePress to update values in the cursor dock } exec(new CartesianPlotSetCursor1EnableCmd(d, enable, ki18n("%1: Cursor1 enable"))); } } STD_SETTER_CMD_IMPL_S(CartesianPlot, SetTheme, QString, theme) void CartesianPlot::setTheme(const QString& theme) { Q_D(CartesianPlot); if (theme != d->theme) { if (!theme.isEmpty()) { beginMacro( i18n("%1: load theme %2", name(), theme) ); exec(new CartesianPlotSetThemeCmd(d, theme, ki18n("%1: set theme"))); loadTheme(theme); endMacro(); } else exec(new CartesianPlotSetThemeCmd(d, theme, ki18n("%1: disable theming"))); } } //################################################################ //########################## Slots ############################### //################################################################ void CartesianPlot::addHorizontalAxis() { Axis* axis = new Axis("x-axis", Axis::AxisHorizontal); if (axis->autoScale()) { axis->setUndoAware(false); axis->setStart(xMin()); axis->setEnd(xMax()); axis->setUndoAware(true); } addChild(axis); } void CartesianPlot::addVerticalAxis() { Axis* axis = new Axis("y-axis", Axis::AxisVertical); if (axis->autoScale()) { axis->setUndoAware(false); axis->setStart(yMin()); axis->setEnd(yMax()); axis->setUndoAware(true); } addChild(axis); } void CartesianPlot::addCurve() { addChild(new XYCurve("xy-curve")); } void CartesianPlot::addEquationCurve() { addChild(new XYEquationCurve("f(x)")); } void CartesianPlot::addHistogram() { addChild(new Histogram("Histogram")); } /*! * returns the first selected XYCurve in the plot */ const XYCurve* CartesianPlot::currentCurve() const { for (const auto* curve : this->children()) { if (curve->graphicsItem()->isSelected()) return curve; } return nullptr; } void CartesianPlot::addDataReductionCurve() { XYDataReductionCurve* curve = new XYDataReductionCurve("Data reduction"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: reduce '%2'", name(), curCurve->name()) ); curve->setName( i18n("Reduction of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->dataReductionDataChanged(curve->dataReductionData()); } else { beginMacro(i18n("%1: add data reduction curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addDifferentiationCurve() { XYDifferentiationCurve* curve = new XYDifferentiationCurve("Differentiation"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: differentiate '%2'", name(), curCurve->name()) ); curve->setName( i18n("Derivative of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->differentiationDataChanged(curve->differentiationData()); } else { beginMacro(i18n("%1: add differentiation curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addIntegrationCurve() { XYIntegrationCurve* curve = new XYIntegrationCurve("Integration"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: integrate '%2'", name(), curCurve->name()) ); curve->setName( i18n("Integral of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->integrationDataChanged(curve->integrationData()); } else { beginMacro(i18n("%1: add integration curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addInterpolationCurve() { XYInterpolationCurve* curve = new XYInterpolationCurve("Interpolation"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: interpolate '%2'", name(), curCurve->name()) ); curve->setName( i18n("Interpolation of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); curve->recalculate(); this->addChild(curve); emit curve->interpolationDataChanged(curve->interpolationData()); } else { beginMacro(i18n("%1: add interpolation curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addSmoothCurve() { XYSmoothCurve* curve = new XYSmoothCurve("Smooth"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: smooth '%2'", name(), curCurve->name()) ); curve->setName( i18n("Smoothing of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->smoothDataChanged(curve->smoothData()); } else { beginMacro(i18n("%1: add smoothing curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addFitCurve() { DEBUG("CartesianPlot::addFitCurve()"); XYFitCurve* curve = new XYFitCurve("fit"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: fit to '%2'", name(), curCurve->name()) ); curve->setName( i18n("Fit to '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); //set the fit model category and type const auto* action = qobject_cast(QObject::sender()); PlotDataDialog::AnalysisAction type = (PlotDataDialog::AnalysisAction)action->data().toInt(); curve->initFitData(type); curve->initStartValues(curCurve); //fit with weights for y if the curve has error bars for y if (curCurve->yErrorType() == XYCurve::SymmetricError && curCurve->yErrorPlusColumn()) { XYFitCurve::FitData fitData = curve->fitData(); fitData.yWeightsType = nsl_fit_weight_instrumental; curve->setFitData(fitData); curve->setYErrorColumn(curCurve->yErrorPlusColumn()); } curve->recalculate(); //add the child after the fit was calculated so the dock widgets gets the fit results //and call retransform() after this to calculate and to paint the data points of the fit-curve this->addChild(curve); curve->retransform(); } else { beginMacro(i18n("%1: add fit curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addFourierFilterCurve() { XYFourierFilterCurve* curve = new XYFourierFilterCurve("Fourier filter"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: Fourier filtering of '%2'", name(), curCurve->name()) ); curve->setName( i18n("Fourier filtering of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); } else { beginMacro(i18n("%1: add Fourier filter curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addFourierTransformCurve() { XYFourierTransformCurve* curve = new XYFourierTransformCurve("Fourier transform"); this->addChild(curve); } void CartesianPlot::addConvolutionCurve() { XYConvolutionCurve* curve = new XYConvolutionCurve("Convolution"); this->addChild(curve); } void CartesianPlot::addCorrelationCurve() { XYCorrelationCurve* curve = new XYCorrelationCurve("Auto-/Cross-Correlation"); this->addChild(curve); } /*! * public helper function to set a legend object created outside of CartesianPlot, e.g. in \c OriginProjectParser. */ void CartesianPlot::addLegend(CartesianPlotLegend* legend) { m_legend = legend; this->addChild(legend); } void CartesianPlot::addLegend() { //don't do anything if there's already a legend if (m_legend) return; m_legend = new CartesianPlotLegend(this, "legend"); this->addChild(m_legend); m_legend->retransform(); //only one legend is allowed -> disable the action if (m_menusInitialized) addLegendAction->setEnabled(false); } void CartesianPlot::addTextLabel() { TextLabel* label = new TextLabel("text label"); this->addChild(label); label->setParentGraphicsItem(graphicsItem()); } void CartesianPlot::addCustomPoint() { CustomPoint* point = new CustomPoint(this, "custom point"); this->addChild(point); } int CartesianPlot::curveCount(){ return children().length(); } const XYCurve* CartesianPlot::getCurve(int index){ return children()[index]; } double CartesianPlot::cursorPos(int cursorNumber) { Q_D(CartesianPlot); if (cursorNumber == 0) return d->cursor0Pos.x(); else return d->cursor1Pos.x(); } void CartesianPlot::childAdded(const AbstractAspect* child) { Q_D(CartesianPlot); const auto* curve = qobject_cast(child); if (curve) { connect(curve, &XYCurve::dataChanged, this, &CartesianPlot::dataChanged); connect(curve, &XYCurve::xDataChanged, this, &CartesianPlot::xDataChanged); connect(curve, &XYCurve::xErrorTypeChanged, this, &CartesianPlot::dataChanged); connect(curve, &XYCurve::xErrorPlusColumnChanged, this, &CartesianPlot::dataChanged); connect(curve, &XYCurve::xErrorMinusColumnChanged, this, &CartesianPlot::dataChanged); connect(curve, &XYCurve::yDataChanged, this, &CartesianPlot::yDataChanged); connect(curve, &XYCurve::yErrorTypeChanged, this, &CartesianPlot::dataChanged); connect(curve, &XYCurve::yErrorPlusColumnChanged, this, &CartesianPlot::dataChanged); connect(curve, &XYCurve::yErrorMinusColumnChanged, this, &CartesianPlot::dataChanged); connect(curve, static_cast(&XYCurve::visibilityChanged), this, &CartesianPlot::curveVisibilityChanged); //update the legend on changes of the name, line and symbol styles connect(curve, &XYCurve::aspectDescriptionChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::lineTypeChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::linePenChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::lineOpacityChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::symbolsStyleChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::symbolsSizeChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::symbolsRotationAngleChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::symbolsOpacityChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::symbolsBrushChanged, this, &CartesianPlot::updateLegend); connect(curve, &XYCurve::symbolsPenChanged, this, &CartesianPlot::updateLegend); connect(curve, SIGNAL(linePenChanged(QPen)), this, SIGNAL(curveLinePenChanged(QPen))); // feed forward linePenChanged, because Worksheet needs because CursorDock must be updated too updateLegend(); d->curvesXMinMaxIsDirty = true; d->curvesYMinMaxIsDirty = true; //in case the first curve is added, check whether we start plotting datetime data if (children().size() == 1) { const auto* col = dynamic_cast(curve->xColumn()); if (col) { if (col->columnMode() == AbstractColumn::DateTime) { setUndoAware(false); setXRangeFormat(CartesianPlot::DateTime); setUndoAware(true); //set column's datetime format for all horizontal axis for (auto* axis : children()) { if (axis->orientation() == Axis::AxisHorizontal) { auto* filter = static_cast(col->outputFilter()); d->xRangeDateTimeFormat = filter->format(); axis->setUndoAware(false); axis->setLabelsDateTimeFormat(d->xRangeDateTimeFormat); axis->setUndoAware(true); } } } } col = dynamic_cast(curve->yColumn()); if (col) { if (col->columnMode() == AbstractColumn::DateTime) { setUndoAware(false); setYRangeFormat(CartesianPlot::DateTime); setUndoAware(true); //set column's datetime format for all vertical axis for (auto* axis : children()) { if (axis->orientation() == Axis::AxisVertical) { auto* filter = static_cast(col->outputFilter()); d->yRangeDateTimeFormat = filter->format(); axis->setUndoAware(false); axis->setLabelsDateTimeFormat(d->yRangeDateTimeFormat); axis->setUndoAware(true); } } } } } emit curveAdded(curve); } else { const auto* hist = qobject_cast(child); if (hist) { connect(hist, &Histogram::dataChanged, this, &CartesianPlot::dataChanged); connect(hist, &Histogram::visibilityChanged, this, &CartesianPlot::curveVisibilityChanged); updateLegend(); } // if an element is hovered, the curves which are handled manually in this class // must be unhovered const WorksheetElement* element = static_cast(child); connect(element, &WorksheetElement::hovered, this, &CartesianPlot::childHovered); } if (!isLoading()) { //if a theme was selected, apply the theme settings for newly added children, too if (!d->theme.isEmpty()) { const auto* elem = dynamic_cast(child); if (elem) { KConfig config(ThemeHandler::themeFilePath(d->theme), KConfig::SimpleConfig); const_cast(elem)->loadThemeConfig(config); } } else { //no theme is available, apply the default colors for curves only, s.a. XYCurve::loadThemeConfig() const auto* curve = dynamic_cast(child); if (curve) { int index = indexOfChild(curve); QColor themeColor; if (index < m_themeColorPalette.size()) themeColor = m_themeColorPalette.at(index); else { if (m_themeColorPalette.size()) themeColor = m_themeColorPalette.last(); } auto* c = const_cast(curve); //Line QPen p = curve->linePen(); p.setColor(themeColor); c->setLinePen(p); //Drop line p = curve->dropLinePen(); p.setColor(themeColor); c->setDropLinePen(p); //Symbol QBrush brush = c->symbolsBrush(); brush.setColor(themeColor); c->setSymbolsBrush(brush); p = c->symbolsPen(); p.setColor(themeColor); c->setSymbolsPen(p); //Filling c->setFillingFirstColor(themeColor); //Error bars p.setColor(themeColor); c->setErrorBarsPen(p); } } } } void CartesianPlot::childRemoved(const AbstractAspect* parent, const AbstractAspect* before, const AbstractAspect* child) { Q_UNUSED(parent); Q_UNUSED(before); if (m_legend == child) { if (m_menusInitialized) addLegendAction->setEnabled(true); m_legend = nullptr; } else { const auto* curve = qobject_cast(child); if (curve) { updateLegend(); emit curveRemoved(curve); } } } /*! * \brief CartesianPlot::childHovered * Unhover all curves, when another child is hovered. The hover handling for the curves is done in their parent (CartesianPlot), * because the hover should set when the curve is hovered and not just the bounding rect (for more see hoverMoveEvent) */ void CartesianPlot::childHovered() { Q_D(CartesianPlot); bool curveSender = dynamic_cast(QObject::sender()) != nullptr; if (!d->isSelected()) { if (d->m_hovered) d->m_hovered = false; d->update(); } if (!curveSender) { for (auto curve: children()) curve->setHover(false); } } void CartesianPlot::updateLegend() { if (m_legend) m_legend->retransform(); } /*! called when in one of the curves the data was changed. Autoscales the coordinate system and the x-axes, when "auto-scale" is active. */ void CartesianPlot::dataChanged() { Q_D(CartesianPlot); d->curvesXMinMaxIsDirty = true; d->curvesYMinMaxIsDirty = true; bool updated = false; if (d->autoScaleX && d->autoScaleY) updated = this->scaleAuto(); else if (d->autoScaleX) updated = this->scaleAutoX(); else if (d->autoScaleY) updated = this->scaleAutoY(); if (!updated || !QObject::sender()) { //even if the plot ranges were not changed, either no auto scale active or the new data //is within the current ranges and no change of the ranges is required, //retransform the curve in order to show the changes auto* curve = dynamic_cast(QObject::sender()); if (curve) curve->retransform(); else { auto* hist = dynamic_cast(QObject::sender()); if (hist) hist->retransform(); else { //no sender available, the function was called in CartesianPlot::dataChanged() //via plot->dataChaged() in the file filter (live data source got new data) //-> retransform all available curves since we don't know which curves are affected. //TODO: this logic can be very expensive for (auto* c : children()) { c->recalcLogicalPoints(); c->retransform(); } } } } } /*! called when in one of the curves the x-data was changed. Autoscales the coordinate system and the x-axes, when "auto-scale" is active. */ void CartesianPlot::xDataChanged() { if (project() && project()->isLoading()) return; Q_D(CartesianPlot); if (d->suppressRetransform) return; d->curvesXMinMaxIsDirty = true; bool updated = false; if (d->autoScaleX) updated = this->scaleAutoX(); if (!updated) { //even if the plot ranges were not changed, either no auto scale active or the new data //is within the current ranges and no change of the ranges is required, //retransform the curve in order to show the changes auto* curve = dynamic_cast(QObject::sender()); if (curve) curve->retransform(); else { auto* hist = dynamic_cast(QObject::sender()); if (hist) hist->retransform(); } } //in case there is only one curve and its column mode was changed, check whether we start plotting datetime data if (children().size() == 1) { auto* curve = dynamic_cast(QObject::sender()); const AbstractColumn* col = curve->xColumn(); if (col->columnMode() == AbstractColumn::DateTime && d->xRangeFormat != CartesianPlot::DateTime) { setUndoAware(false); setXRangeFormat(CartesianPlot::DateTime); setUndoAware(true); } } emit curveDataChanged(dynamic_cast(QObject::sender())); } /*! called when in one of the curves the x-data was changed. Autoscales the coordinate system and the x-axes, when "auto-scale" is active. */ void CartesianPlot::yDataChanged() { if (project() && project()->isLoading()) return; Q_D(CartesianPlot); if (d->suppressRetransform) return; d->curvesYMinMaxIsDirty = true; bool updated = false; if (d->autoScaleY) this->scaleAutoY(); if (!updated) { //even if the plot ranges were not changed, either no auto scale active or the new data //is within the current ranges and no change of the ranges is required, //retransform the curve in order to show the changes auto* curve = dynamic_cast(QObject::sender()); if (curve) curve->retransform(); else { auto* hist = dynamic_cast(QObject::sender()); if (hist) hist->retransform(); } } //in case there is only one curve and its column mode was changed, check whether we start plotting datetime data if (children().size() == 1) { auto* curve = dynamic_cast(QObject::sender()); const AbstractColumn* col = curve->yColumn(); if (col->columnMode() == AbstractColumn::DateTime && d->xRangeFormat != CartesianPlot::DateTime) { setUndoAware(false); setYRangeFormat(CartesianPlot::DateTime); setUndoAware(true); } } emit curveDataChanged(dynamic_cast(QObject::sender())); } void CartesianPlot::curveVisibilityChanged() { Q_D(CartesianPlot); d->curvesXMinMaxIsDirty = true; d->curvesYMinMaxIsDirty = true; updateLegend(); if (d->autoScaleX && d->autoScaleY) this->scaleAuto(); else if (d->autoScaleX) this->scaleAutoX(); else if (d->autoScaleY) this->scaleAutoY(); emit curveVisibilityChangedSignal(); } void CartesianPlot::curveLinePenChanged(QPen pen) { const auto* curve = qobject_cast(QObject::sender()); emit curveLinePenChanged(pen, curve->name()); } void CartesianPlot::setMouseMode(const MouseMode mouseMode) { Q_D(CartesianPlot); d->mouseMode = mouseMode; d->setHandlesChildEvents(mouseMode != CartesianPlot::SelectionMode); QList items = d->childItems(); if (d->mouseMode == CartesianPlot::SelectionMode) { for (auto* item : items) item->setFlag(QGraphicsItem::ItemStacksBehindParent, false); } else { for (auto* item : items) item->setFlag(QGraphicsItem::ItemStacksBehindParent, true); } //when doing zoom selection, prevent the graphics item from being movable //if it's currently movable (no worksheet layout available) const auto* worksheet = dynamic_cast(parentAspect()); if (worksheet) { if (mouseMode == CartesianPlot::SelectionMode) { if (worksheet->layout() != Worksheet::NoLayout) graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); else graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, true); } else //zoom m_selection graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); } emit mouseModeChanged(mouseMode); } void CartesianPlot::setLocked(bool locked) { Q_D(CartesianPlot); d->locked = locked; } bool CartesianPlot::scaleAutoX() { Q_D(CartesianPlot); if (d->curvesXMinMaxIsDirty) { calculateCurvesXMinMax(); d->curvesXMinMaxIsDirty = false; } bool update = false; if (d->curvesXMin != d->xMin && d->curvesXMin != INFINITY) { d->xMin = d->curvesXMin; update = true; } if (d->curvesXMax != d->xMax && d->curvesXMax != -INFINITY) { d->xMax = d->curvesXMax; update = true; } if (update) { if (d->xMax == d->xMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->xMax != 0) { d->xMax = d->xMax*1.1; d->xMin = d->xMin*0.9; } else { d->xMax = 0.1; d->xMin = -0.1; } } else { double offset = (d->xMax - d->xMin)*d->autoScaleOffsetFactor; d->xMin -= offset; d->xMax += offset; } setAutoScaleX(true); d->retransformScales(); } return update; } bool CartesianPlot::scaleAutoY() { Q_D(CartesianPlot); if (d->curvesYMinMaxIsDirty) { calculateCurvesYMinMax(); d->curvesYMinMaxIsDirty = false; } bool update = false; if (d->curvesYMin != d->yMin && d->curvesYMin != INFINITY) { d->yMin = d->curvesYMin; update = true; } if (d->curvesYMax != d->yMax && d->curvesYMax != -INFINITY) { d->yMax = d->curvesYMax; update = true; } if (update) { if (d->yMax == d->yMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->yMax != 0) { d->yMax = d->yMax*1.1; d->yMin = d->yMin*0.9; } else { d->yMax = 0.1; d->yMin = -0.1; } } else { double offset = (d->yMax - d->yMin)*d->autoScaleOffsetFactor; d->yMin -= offset; d->yMax += offset; } setAutoScaleY(true); d->retransformScales(); } return update; } bool CartesianPlot::scaleAuto() { DEBUG("CartesianPlot::scaleAuto()"); Q_D(CartesianPlot); if (d->curvesXMinMaxIsDirty) { calculateCurvesXMinMax(); d->curvesXMinMaxIsDirty = false; } if (d->curvesYMinMaxIsDirty) { calculateCurvesYMinMax(); d->curvesYMinMaxIsDirty = false; } bool updateX = false; bool updateY = false; if (d->curvesXMin != d->xMin && d->curvesXMin != INFINITY) { d->xMin = d->curvesXMin; updateX = true; } if (d->curvesXMax != d->xMax && d->curvesXMax != -INFINITY) { d->xMax = d->curvesXMax; updateX = true; } if (d->curvesYMin != d->yMin && d->curvesYMin != INFINITY) { d->yMin = d->curvesYMin; updateY = true; } if (d->curvesYMax != d->yMax && d->curvesYMax != -INFINITY) { d->yMax = d->curvesYMax; updateY = true; } DEBUG(" xmin/xmax = " << d->xMin << '/' << d->xMax << ", ymin/ymax = " << d->yMin << '/' << d->yMax); if (updateX || updateY) { if (updateX) { if (d->xMax == d->xMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->xMax != 0) { d->xMax = d->xMax*1.1; d->xMin = d->xMin*0.9; } else { d->xMax = 0.1; d->xMin = -0.1; } } else { double offset = (d->xMax - d->xMin)*d->autoScaleOffsetFactor; d->xMin -= offset; d->xMax += offset; } setAutoScaleX(true); } if (updateY) { if (d->yMax == d->yMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->yMax != 0) { d->yMax = d->yMax*1.1; d->yMin = d->yMin*0.9; } else { d->yMax = 0.1; d->yMin = -0.1; } } else { double offset = (d->yMax - d->yMin)*d->autoScaleOffsetFactor; d->yMin -= offset; d->yMax += offset; } setAutoScaleY(true); } d->retransformScales(); } return (updateX || updateY); } void CartesianPlot::calculateCurvesXMinMax() { Q_D(CartesianPlot); int count = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: count = 0; break; case CartesianPlot::RangeLast: count = -d->rangeLastValues; break; case CartesianPlot::RangeFirst: count = d->rangeFirstValues; break; } d->curvesXMin = INFINITY; d->curvesXMax = -INFINITY; //loop over all xy-curves and determine the maximum and minimum x-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; auto* xColumn = curve->xColumn(); if (!xColumn) continue; double min = xColumn->minimum(count); if (min < d->curvesXMin) d->curvesXMin = min; double max = xColumn->maximum(count); if (max > d->curvesXMax) d->curvesXMax = max; //take error bars into account auto xErrorType = curve->xErrorType(); if (xErrorType != XYCurve::NoError) { //consider error bars only if error columns are set auto* xErrorPlusColumn = curve->xErrorPlusColumn(); auto* xErrorMinusColumn = curve->xErrorMinusColumn(); if ( (xErrorType == XYCurve::SymmetricError && xErrorPlusColumn) || (xErrorType == XYCurve::AsymmetricError && (xErrorPlusColumn || xErrorMinusColumn)) ) { int start =0; int end = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: start = 0; end = xColumn->rowCount(); break; case CartesianPlot::RangeLast: start = xColumn->rowCount() - d->rangeLastValues; end = xColumn->rowCount(); break; case CartesianPlot::RangeFirst: start = 0; end = d->rangeFirstValues; break; } for (int i = start; i < end; ++i) { if (!xColumn->isValid(i) || xColumn->isMasked(i)) continue; if ( (xErrorPlusColumn && i >= xErrorPlusColumn->rowCount()) || (xErrorMinusColumn && i >= xErrorMinusColumn->rowCount()) ) continue; //determine the values for the errors double errorPlus, errorMinus; if (xErrorPlusColumn && xErrorPlusColumn->isValid(i) && !xErrorPlusColumn->isMasked(i)) errorPlus = xErrorPlusColumn->valueAt(i); else errorPlus = 0; if (xErrorType == XYCurve::SymmetricError) errorMinus = errorPlus; else { if (xErrorMinusColumn && xErrorMinusColumn->isValid(i) && !xErrorMinusColumn->isMasked(i)) errorMinus = xErrorMinusColumn->valueAt(i); else errorMinus = 0; } min = xColumn->valueAt(i) - errorMinus; if (min < d->curvesXMin) d->curvesXMin = min; max = xColumn->valueAt(i) + errorPlus; if (max > d->curvesXMax) d->curvesXMax = max; } } } } //loop over all histograms and determine the maximum and minimum x-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->dataColumn()) continue; const double min = curve->getXMinimum(); if (d->curvesXMin > min) d->curvesXMin = min; const double max = curve->getXMaximum(); if (max > d->curvesXMax) d->curvesXMax = max; } } void CartesianPlot::calculateCurvesYMinMax() { Q_D(CartesianPlot); int count = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: count = 0; break; case CartesianPlot::RangeLast: count = -d->rangeLastValues; break; case CartesianPlot::RangeFirst: count = d->rangeFirstValues; break; } d->curvesYMin = INFINITY; d->curvesYMax = -INFINITY; //loop over all xy-curves and determine the maximum and minimum y-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; auto* yColumn = curve->yColumn(); if (!yColumn) continue; double min = curve->yColumn()->minimum(count); if (min < d->curvesYMin) d->curvesYMin = min; double max = curve->yColumn()->maximum(count); if (max > d->curvesYMax) d->curvesYMax = max; //take error bars into account auto yErrorType = curve->yErrorType(); if (yErrorType != XYCurve::NoError) { //consider error bars only if error columns are set auto* yErrorPlusColumn = curve->yErrorPlusColumn(); auto* yErrorMinusColumn = curve->yErrorMinusColumn(); if ( (yErrorType == XYCurve::SymmetricError && yErrorPlusColumn) || (yErrorType == XYCurve::AsymmetricError && (yErrorPlusColumn || yErrorMinusColumn)) ) { int start =0; int end = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: start = 0; end = yColumn->rowCount(); break; case CartesianPlot::RangeLast: start = yColumn->rowCount() - d->rangeLastValues; end = yColumn->rowCount(); break; case CartesianPlot::RangeFirst: start = 0; end = d->rangeFirstValues; break; } for (int i = start; i < end; ++i) { if (!yColumn->isValid(i) || yColumn->isMasked(i)) continue; if ( (yErrorPlusColumn && i >= yErrorPlusColumn->rowCount()) || (yErrorMinusColumn && i >= yErrorMinusColumn->rowCount()) ) continue; //determine the values for the errors double errorPlus, errorMinus; if (yErrorPlusColumn && yErrorPlusColumn->isValid(i) && !yErrorPlusColumn->isMasked(i)) errorPlus = yErrorPlusColumn->valueAt(i); else errorPlus = 0; if (yErrorType == XYCurve::SymmetricError) errorMinus = errorPlus; else { if (yErrorMinusColumn && yErrorMinusColumn->isValid(i) && !yErrorMinusColumn->isMasked(i)) errorMinus = yErrorMinusColumn->valueAt(i); else errorMinus = 0; } min = yColumn->valueAt(i) - errorMinus; if (min < d->curvesYMin) d->curvesYMin = min; max = yColumn->valueAt(i) + errorPlus; if (max > d->curvesYMax) d->curvesYMax = max; } } } } //loop over all histograms and determine the maximum y-value for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; const double min = curve->getYMinimum(); if (d->curvesYMin > min) d->curvesYMin = min; const double max = curve->getYMaximum(); if (max > d->curvesYMax) d->curvesYMax = max; } } void CartesianPlot::zoomIn() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleX(false); setAutoScaleY(false); setUndoAware(true); double oldRange = (d->xMax - d->xMin); double newRange = (d->xMax - d->xMin) / m_zoomFactor; d->xMax = d->xMax + (newRange - oldRange) / 2; d->xMin = d->xMin - (newRange - oldRange) / 2; oldRange = (d->yMax - d->yMin); newRange = (d->yMax - d->yMin) / m_zoomFactor; d->yMax = d->yMax + (newRange - oldRange) / 2; d->yMin = d->yMin - (newRange - oldRange) / 2; d->retransformScales(); } void CartesianPlot::zoomOut() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleX(false); setAutoScaleY(false); setUndoAware(true); double oldRange = (d->xMax-d->xMin); double newRange = (d->xMax-d->xMin)*m_zoomFactor; d->xMax = d->xMax + (newRange-oldRange)/2; d->xMin = d->xMin - (newRange-oldRange)/2; oldRange = (d->yMax-d->yMin); newRange = (d->yMax-d->yMin)*m_zoomFactor; d->yMax = d->yMax + (newRange-oldRange)/2; d->yMin = d->yMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomInX() { Q_D(CartesianPlot); setAutoScaleX(false); double oldRange = (d->xMax-d->xMin); double newRange = (d->xMax-d->xMin)/m_zoomFactor; d->xMax = d->xMax + (newRange-oldRange)/2; d->xMin = d->xMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomOutX() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleX(false); setUndoAware(true); double oldRange = (d->xMax-d->xMin); double newRange = (d->xMax-d->xMin)*m_zoomFactor; d->xMax = d->xMax + (newRange-oldRange)/2; d->xMin = d->xMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomInY() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleY(false); setUndoAware(true); double oldRange = (d->yMax-d->yMin); double newRange = (d->yMax-d->yMin)/m_zoomFactor; d->yMax = d->yMax + (newRange-oldRange)/2; d->yMin = d->yMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomOutY() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleY(false); setUndoAware(true); double oldRange = (d->yMax-d->yMin); double newRange = (d->yMax-d->yMin)*m_zoomFactor; d->yMax = d->yMax + (newRange-oldRange)/2; d->yMin = d->yMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::shiftLeftX() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleX(false); setUndoAware(true); double offsetX = (d->xMax-d->xMin)*0.1; d->xMax -= offsetX; d->xMin -= offsetX; d->retransformScales(); } void CartesianPlot::shiftRightX() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleX(false); setUndoAware(true); double offsetX = (d->xMax-d->xMin)*0.1; d->xMax += offsetX; d->xMin += offsetX; d->retransformScales(); } void CartesianPlot::shiftUpY() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleY(false); setUndoAware(true); double offsetY = (d->yMax-d->yMin)*0.1; d->yMax += offsetY; d->yMin += offsetY; d->retransformScales(); } void CartesianPlot::shiftDownY() { Q_D(CartesianPlot); setUndoAware(false); setAutoScaleY(false); setUndoAware(true); double offsetY = (d->yMax-d->yMin)*0.1; d->yMax -= offsetY; d->yMin -= offsetY; d->retransformScales(); } void CartesianPlot::cursor() { Q_D(CartesianPlot); d->retransformScales(); } void CartesianPlot::mousePressZoomSelectionMode(QPointF logicPos) { Q_D(CartesianPlot); d->mousePressZoomSelectionMode(logicPos); } void CartesianPlot::mousePressCursorMode(int cursorNumber, QPointF logicPos) { Q_D(CartesianPlot); d->mousePressCursorMode(cursorNumber, logicPos); } void CartesianPlot::mouseMoveZoomSelectionMode(QPointF logicPos) { Q_D(CartesianPlot); d->mouseMoveZoomSelectionMode(logicPos); } void CartesianPlot::mouseMoveCursorMode(int cursorNumber, QPointF logicPos) { Q_D(CartesianPlot); d->mouseMoveCursorMode(cursorNumber, logicPos); } void CartesianPlot::mouseReleaseZoomSelectionMode() { Q_D(CartesianPlot); d->mouseReleaseZoomSelectionMode(); } void CartesianPlot::mouseHoverZoomSelectionMode(QPointF logicPos) { Q_D(CartesianPlot); d->mouseHoverZoomSelectionMode(logicPos); } //############################################################################## //###### SLOTs for changes triggered via QActions in the context menu ######## //############################################################################## void CartesianPlot::visibilityChanged() { Q_D(CartesianPlot); this->setVisible(!d->isVisible()); } void CartesianPlot::deselected() { setMouseMode(MouseMode::SelectionMode); } //##################################################################### //################### Private implementation ########################## //##################################################################### CartesianPlotPrivate::CartesianPlotPrivate(CartesianPlot* plot) : AbstractPlotPrivate(plot), q(plot) { setData(0, WorksheetElement::NameCartesianPlot); m_cursor0Text.prepare(); m_cursor1Text.prepare(); } /*! updates the position of plot rectangular in scene coordinates to \c r and recalculates the scales. The size of the plot corresponds to the size of the plot area, the area which is filled with the background color etc. and which can pose the parent item for several sub-items (like TextLabel). Note, the size of the area used to define the coordinate system doesn't need to be equal to this plot area. Also, the size (=bounding box) of CartesianPlot can be greater than the size of the plot area. */ void CartesianPlotPrivate::retransform() { if (suppressRetransform) return; PERFTRACE("CartesianPlotPrivate::retransform()"); prepareGeometryChange(); setPos( rect.x()+rect.width()/2, rect.y()+rect.height()/2); updateDataRect(); retransformScales(); //plotArea position is always (0, 0) in parent's coordinates, don't need to update here q->plotArea()->setRect(rect); //call retransform() for the title and the legend (if available) //when a predefined position relative to the (Left, Centered etc.) is used, //the actual position needs to be updated on plot's geometry changes. if (q->title()) q->title()->retransform(); if (q->m_legend) q->m_legend->retransform(); WorksheetElementContainerPrivate::recalcShapeAndBoundingRect(); } void CartesianPlotPrivate::retransformScales() { DEBUG("CartesianPlotPrivate::retransformScales()"); DEBUG(" xmin/xmax = " << xMin << '/'<< xMax << ", ymin/ymax = " << yMin << '/' << yMax); PERFTRACE("CartesianPlotPrivate::retransformScales()"); auto* plot = dynamic_cast(q); QVector scales; //check ranges for log-scales if (xScale != CartesianPlot::ScaleLinear) checkXRange(); //check whether we have x-range breaks - the first break, if available, should be valid bool hasValidBreak = (xRangeBreakingEnabled && !xRangeBreaks.list.isEmpty() && xRangeBreaks.list.first().isValid()); static const int breakGap = 20; double sceneStart, sceneEnd, logicalStart, logicalEnd; //create x-scales int plotSceneStart = dataRect.x(); int plotSceneEnd = dataRect.x() + dataRect.width(); if (!hasValidBreak) { //no breaks available -> range goes from the plot beginning to the end of the plot sceneStart = plotSceneStart; sceneEnd = plotSceneEnd; logicalStart = xMin; logicalEnd = xMax; //TODO: how should we handle the case sceneStart == sceneEnd? //(to reproduce, create plots and adjust the spacing/pading to get zero size for the plots) if (sceneStart != sceneEnd) scales << this->createScale(xScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } else { int sceneEndLast = plotSceneStart; int logicalEndLast = xMin; for (const auto& rb : xRangeBreaks.list) { if (!rb.isValid()) break; //current range goes from the end of the previous one (or from the plot beginning) to curBreak.start sceneStart = sceneEndLast; if (&rb == &xRangeBreaks.list.first()) sceneStart += breakGap; sceneEnd = plotSceneStart + (plotSceneEnd-plotSceneStart) * rb.position; logicalStart = logicalEndLast; logicalEnd = rb.start; if (sceneStart != sceneEnd) scales << this->createScale(xScale, sceneStart, sceneEnd, logicalStart, logicalEnd); sceneEndLast = sceneEnd; logicalEndLast = rb.end; } //add the remaining range going from the last available range break to the end of the plot (=end of the x-data range) sceneStart = sceneEndLast+breakGap; sceneEnd = plotSceneEnd; logicalStart = logicalEndLast; logicalEnd = xMax; if (sceneStart != sceneEnd) scales << this->createScale(xScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } cSystem->setXScales(scales); //check ranges for log-scales if (yScale != CartesianPlot::ScaleLinear) checkYRange(); //check whether we have y-range breaks - the first break, if available, should be valid hasValidBreak = (yRangeBreakingEnabled && !yRangeBreaks.list.isEmpty() && yRangeBreaks.list.first().isValid()); //create y-scales scales.clear(); plotSceneStart = dataRect.y() + dataRect.height(); plotSceneEnd = dataRect.y(); if (!hasValidBreak) { //no breaks available -> range goes from the plot beginning to the end of the plot sceneStart = plotSceneStart; sceneEnd = plotSceneEnd; logicalStart = yMin; logicalEnd = yMax; if (sceneStart != sceneEnd) scales << this->createScale(yScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } else { int sceneEndLast = plotSceneStart; int logicalEndLast = yMin; for (const auto& rb : yRangeBreaks.list) { if (!rb.isValid()) break; //current range goes from the end of the previous one (or from the plot beginning) to curBreak.start sceneStart = sceneEndLast; if (&rb == &yRangeBreaks.list.first()) sceneStart -= breakGap; sceneEnd = plotSceneStart + (plotSceneEnd-plotSceneStart) * rb.position; logicalStart = logicalEndLast; logicalEnd = rb.start; if (sceneStart != sceneEnd) scales << this->createScale(yScale, sceneStart, sceneEnd, logicalStart, logicalEnd); sceneEndLast = sceneEnd; logicalEndLast = rb.end; } //add the remaining range going from the last available range break to the end of the plot (=end of the y-data range) sceneStart = sceneEndLast-breakGap; sceneEnd = plotSceneEnd; logicalStart = logicalEndLast; logicalEnd = yMax; if (sceneStart != sceneEnd) scales << this->createScale(yScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } cSystem->setYScales(scales); //calculate the changes in x and y and save the current values for xMin, xMax, yMin, yMax double deltaXMin = 0; double deltaXMax = 0; double deltaYMin = 0; double deltaYMax = 0; if (xMin != xMinPrev) { deltaXMin = xMin - xMinPrev; emit plot->xMinChanged(xMin); } if (xMax != xMaxPrev) { deltaXMax = xMax - xMaxPrev; emit plot->xMaxChanged(xMax); } if (yMin != yMinPrev) { deltaYMin = yMin - yMinPrev; emit plot->yMinChanged(yMin); } if (yMax != yMaxPrev) { deltaYMax = yMax - yMaxPrev; emit plot->yMaxChanged(yMax); } xMinPrev = xMin; xMaxPrev = xMax; yMinPrev = yMin; yMaxPrev = yMax; //adjust auto-scale axes for (auto* axis : q->children()) { if (!axis->autoScale()) continue; if (axis->orientation() == Axis::AxisHorizontal) { if (deltaXMax != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setEnd(xMax); axis->setUndoAware(true); axis->setSuppressRetransform(false); } if (deltaXMin != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setStart(xMin); axis->setUndoAware(true); axis->setSuppressRetransform(false); } //TODO; // if (axis->position() == Axis::AxisCustom && deltaYMin != 0) { // axis->setOffset(axis->offset() + deltaYMin, false); // } } else { if (deltaYMax != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setEnd(yMax); axis->setUndoAware(true); axis->setSuppressRetransform(false); } if (deltaYMin != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setStart(yMin); axis->setUndoAware(true); axis->setSuppressRetransform(false); } //TODO; // if (axis->position() == Axis::AxisCustom && deltaXMin != 0) { // axis->setOffset(axis->offset() + deltaXMin, false); // } } } // call retransform() on the parent to trigger the update of all axes and curvesю //no need to do this on load since all plots are retransformed again after the project is loaded. if (!q->isLoading()) q->retransform(); } /* * calculates the rectangular of the are showing the actual data (plot's rect minus padding), * in plot's coordinates. */ void CartesianPlotPrivate::updateDataRect() { dataRect = mapRectFromScene(rect); double paddingLeft = horizontalPadding; double paddingRight = rightPadding; double paddingTop = verticalPadding; double paddingBottom = bottomPadding; if (symmetricPadding) { paddingRight = horizontalPadding; paddingBottom = verticalPadding; } dataRect.setX(dataRect.x() + paddingLeft); dataRect.setY(dataRect.y() + paddingTop); double newHeight = dataRect.height() - paddingBottom; if (newHeight < 0) newHeight = 0; dataRect.setHeight(newHeight); double newWidth = dataRect.width() - paddingRight; if (newWidth < 0) newWidth = 0; dataRect.setWidth(newWidth); } void CartesianPlotPrivate::rangeChanged() { curvesXMinMaxIsDirty = true; curvesYMinMaxIsDirty = true; if (autoScaleX && autoScaleY) q->scaleAuto(); else if (autoScaleX) q->scaleAutoX(); else if (autoScaleY) q->scaleAutoY(); } void CartesianPlotPrivate::xRangeFormatChanged() { for (auto* axis : q->children()) { if (axis->orientation() == Axis::AxisHorizontal) axis->retransformTickLabelStrings(); } } void CartesianPlotPrivate::yRangeFormatChanged() { for (auto* axis : q->children()) { if (axis->orientation() == Axis::AxisVertical) axis->retransformTickLabelStrings(); } } /*! * don't allow any negative values for the x range when log or sqrt scalings are used */ void CartesianPlotPrivate::checkXRange() { double min = 0.01; if (xMin <= 0.0) { (min < xMax*min) ? xMin = min : xMin = xMax*min; emit q->xMinChanged(xMin); } else if (xMax <= 0.0) { (-min > xMin*min) ? xMax = -min : xMax = xMin*min; emit q->xMaxChanged(xMax); } } /*! * don't allow any negative values for the y range when log or sqrt scalings are used */ void CartesianPlotPrivate::checkYRange() { double min = 0.01; if (yMin <= 0.0) { (min < yMax*min) ? yMin = min : yMin = yMax*min; emit q->yMinChanged(yMin); } else if (yMax <= 0.0) { (-min > yMin*min) ? yMax = -min : yMax = yMin*min; emit q->yMaxChanged(yMax); } } CartesianScale* CartesianPlotPrivate::createScale(CartesianPlot::Scale type, double sceneStart, double sceneEnd, double logicalStart, double logicalEnd) { DEBUG("CartesianPlotPrivate::createScale() scene start/end = " << sceneStart << '/' << sceneEnd << ", logical start/end = " << logicalStart << '/' << logicalEnd); // Interval interval (logicalStart-0.01, logicalEnd+0.01); //TODO: move this to CartesianScale Interval interval (std::numeric_limits::lowest(), std::numeric_limits::max()); // Interval interval (logicalStart, logicalEnd); if (type == CartesianPlot::ScaleLinear) return CartesianScale::createLinearScale(interval, sceneStart, sceneEnd, logicalStart, logicalEnd); else return CartesianScale::createLogScale(interval, sceneStart, sceneEnd, logicalStart, logicalEnd, type); } /*! * Reimplemented from QGraphicsItem. */ QVariant CartesianPlotPrivate::itemChange(GraphicsItemChange change, const QVariant &value) { if (change == QGraphicsItem::ItemPositionChange) { const QPointF& itemPos = value.toPointF();//item's center point in parent's coordinates; const qreal x = itemPos.x(); const qreal y = itemPos.y(); //calculate the new rect and forward the changes to the frontend QRectF newRect; const qreal w = rect.width(); const qreal h = rect.height(); newRect.setX(x-w/2); newRect.setY(y-h/2); newRect.setWidth(w); newRect.setHeight(h); emit q->rectChanged(newRect); } else if (change == QGraphicsItem::ItemSelectedChange) { if (!value.toBool() || q->mouseMode() != CartesianPlot::MouseMode::SelectionMode) q->setMouseMode(CartesianPlot::MouseMode::SelectionMode); } return QGraphicsItem::itemChange(change, value); } //############################################################################## //################################## Events ################################## //############################################################################## void CartesianPlotPrivate::mousePressEvent(QGraphicsSceneMouseEvent *event) { if (mouseMode == CartesianPlot::ZoomSelectionMode || mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) { emit q->mousePressZoomSelectionModeSignal(cSystem->mapSceneToLogical(event->pos())); if (mouseMode == CartesianPlot::ZoomSelectionMode) m_selectionStart = event->pos(); else if (mouseMode == CartesianPlot::ZoomXSelectionMode) { m_selectionStart.setX(event->pos().x()); m_selectionStart.setY(dataRect.y()); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode) { m_selectionStart.setX(dataRect.x()); m_selectionStart.setY(event->pos().y()); } m_selectionEnd = m_selectionStart; m_selectionBandIsShown = true; } else if (mouseMode == CartesianPlot::Cursor) { setCursor(Qt::SizeHorCursor); QPointF logicalPos = cSystem->mapSceneToLogical(event->pos(), AbstractCoordinateSystem::MappingFlag::Limit); - double cursorPenWidth2 = cursorPen.width()/2; - if (cursorPenWidth2 < 10) - cursorPenWidth2 = 10; + double cursorPenWidth2 = cursorPen.width()/2.; + if (cursorPenWidth2 < 10.) + cursorPenWidth2 = 10.; if (cursor0Enable && qAbs(event->pos().x()-cSystem->mapLogicalToScene(QPointF(cursor0Pos.x(),yMin)).x()) < cursorPenWidth2) { selectedCursor = 0; } else if (cursor1Enable && qAbs(event->pos().x()-cSystem->mapLogicalToScene(QPointF(cursor1Pos.x(),yMin)).x()) < cursorPenWidth2) { selectedCursor = 1; } else if (QApplication::keyboardModifiers() & Qt::ControlModifier){ cursor1Enable = true; selectedCursor = 1; emit q->cursor1EnableChanged(cursor1Enable); } else { cursor0Enable = true; selectedCursor = 0; emit q->cursor0EnableChanged(cursor0Enable); } emit q->mousePressCursorModeSignal(selectedCursor, logicalPos); } else { if (!locked && dataRect.contains(event->pos())) { panningStarted = true; m_panningStart = event->pos(); setCursor(Qt::ClosedHandCursor); } } QGraphicsItem::mousePressEvent(event); } void CartesianPlotPrivate::mousePressZoomSelectionMode(QPointF logicalPos) { if (mouseMode == CartesianPlot::ZoomSelectionMode) { if (logicalPos.x() < xMin) logicalPos.setX(xMin); if (logicalPos.x() > xMax) logicalPos.setX(xMax); if (logicalPos.y() < yMin) logicalPos.setY(yMin); if (logicalPos.y() > yMax) logicalPos.setY(yMax); m_selectionStart = cSystem->mapLogicalToScene(logicalPos, CartesianCoordinateSystem::SuppressPageClipping); } else if (mouseMode == CartesianPlot::ZoomXSelectionMode) { logicalPos.setY(yMin); // must be done, because the other plots can have other ranges, value must be in the scenes m_selectionStart.setX(cSystem->mapLogicalToScene(logicalPos, CartesianCoordinateSystem::SuppressPageClipping).x()); m_selectionStart.setY(dataRect.y()); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode) { logicalPos.setX(xMin); // must be done, because the other plots can have other ranges, value must be in the scenes m_selectionStart.setX(dataRect.x()); m_selectionStart.setY(cSystem->mapLogicalToScene(logicalPos, CartesianCoordinateSystem::SuppressPageClipping).y()); } m_selectionEnd = m_selectionStart; m_selectionBandIsShown = true; } void CartesianPlotPrivate::mousePressCursorMode(int cursorNumber, QPointF logicalPos) { cursorNumber == 0 ? cursor0Enable = true : cursor1Enable = true; QPointF p1(logicalPos.x(), yMin); QPointF p2(logicalPos.x(), yMax); if (cursorNumber == 0) { cursor0Pos.setX(logicalPos.x()); cursor0Pos.setY(0); } else { cursor1Pos.setX(logicalPos.x()); cursor1Pos.setY(0); } update(); } void CartesianPlotPrivate::updateCursor() { update(); } void CartesianPlotPrivate::mouseMoveEvent(QGraphicsSceneMouseEvent* event) { if (mouseMode == CartesianPlot::SelectionMode) { if (panningStarted && dataRect.contains(event->pos()) ) { //don't retransform on small mouse movement deltas const int deltaXScene = (m_panningStart.x() - event->pos().x()); const int deltaYScene = (m_panningStart.y() - event->pos().y()); if (abs(deltaXScene) < 5 && abs(deltaYScene) < 5) return; const QPointF logicalEnd = cSystem->mapSceneToLogical(event->pos()); const QPointF logicalStart = cSystem->mapSceneToLogical(m_panningStart); const float deltaX = (logicalStart.x() - logicalEnd.x()); const float deltaY = (logicalStart.y() - logicalEnd.y()); xMax += deltaX; xMin += deltaX; yMax += deltaY; yMin += deltaY; q->setUndoAware(false); q->setAutoScaleX(false); q->setAutoScaleY(false); q->setUndoAware(true); retransformScales(); m_panningStart = event->pos(); } else QGraphicsItem::mouseMoveEvent(event); } else if (mouseMode == CartesianPlot::ZoomSelectionMode || mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) { QGraphicsItem::mouseMoveEvent(event); if ( !boundingRect().contains(event->pos()) ) { q->info(QString()); return; } emit q->mouseMoveZoomSelectionModeSignal(cSystem->mapSceneToLogical(event->pos(), CartesianCoordinateSystem::MappingFlag::Limit)); } else if (mouseMode == CartesianPlot::Cursor) { QGraphicsItem::mouseMoveEvent(event); if (!boundingRect().contains(event->pos())) { q->info(i18n("Not inside of the bounding rect")); return; } QPointF logicalPos = cSystem->mapSceneToLogical(event->pos(), AbstractCoordinateSystem::MappingFlag::Limit); // updating treeview data and cursor position // updatign cursor position is done in Worksheet, because // multiple plots must be updated emit q->mouseMoveCursorModeSignal(selectedCursor, logicalPos); } } void CartesianPlotPrivate::mouseMoveZoomSelectionMode(QPointF logicalPos) { QString info; QPointF logicalStart = cSystem->mapSceneToLogical(m_selectionStart, CartesianCoordinateSystem::MappingFlag::SuppressPageClipping); if (mouseMode == CartesianPlot::ZoomSelectionMode) { m_selectionEnd = cSystem->mapLogicalToScene(logicalPos, CartesianCoordinateSystem::MappingFlag::SuppressPageClipping); QPointF logicalEnd = logicalPos; if (xRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("Δx=") + QString::number(logicalEnd.x()-logicalStart.x()); else info = i18n("from x=%1 to x=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.x()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.x()).toString(xRangeDateTimeFormat)); info += QLatin1String(", "); if (yRangeFormat == CartesianPlot::Numeric) info += QString::fromUtf8("Δy=") + QString::number(logicalEnd.y()-logicalStart.y()); else info += i18n("from y=%1 to y=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.y()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.y()).toString(xRangeDateTimeFormat)); } else if (mouseMode == CartesianPlot::ZoomXSelectionMode) { logicalPos.setY(yMin); // must be done, because the other plots can have other ranges, value must be in the scenes m_selectionEnd.setX(cSystem->mapLogicalToScene(logicalPos, CartesianCoordinateSystem::MappingFlag::SuppressPageClipping).x());//event->pos().x()); m_selectionEnd.setY(dataRect.bottom()); QPointF logicalEnd = logicalPos; if (xRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("Δx=") + QString::number(logicalEnd.x()-logicalStart.x()); else info = i18n("from x=%1 to x=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.x()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.x()).toString(xRangeDateTimeFormat)); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode) { m_selectionEnd.setX(dataRect.right()); logicalPos.setX(xMin); // must be done, because the other plots can have other ranges, value must be in the scenes m_selectionEnd.setY(cSystem->mapLogicalToScene(logicalPos, CartesianCoordinateSystem::MappingFlag::SuppressPageClipping).y());//event->pos().y()); QPointF logicalEnd = logicalPos; if (yRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("Δy=") + QString::number(logicalEnd.y()-logicalStart.y()); else info = i18n("from y=%1 to y=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.y()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.y()).toString(xRangeDateTimeFormat)); } q->info(info); update(); } void CartesianPlotPrivate::mouseMoveCursorMode(int cursorNumber, QPointF logicalPos) { QPointF p1(logicalPos.x(), 0); cursorNumber == 0 ? cursor0Pos = p1 : cursor1Pos = p1; QString info; if (xRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("x=") + QString::number(logicalPos.x()); else info = i18n("x=%1", QDateTime::fromMSecsSinceEpoch(logicalPos.x()).toString(xRangeDateTimeFormat)); q->info(info); update(); } void CartesianPlotPrivate::mouseReleaseEvent(QGraphicsSceneMouseEvent* event) { setCursor(Qt::ArrowCursor); if (mouseMode == CartesianPlot::SelectionMode) { panningStarted = false; //TODO: why do we do this all the time?!?! const QPointF& itemPos = pos();//item's center point in parent's coordinates; const qreal x = itemPos.x(); const qreal y = itemPos.y(); //calculate the new rect and set it QRectF newRect; const qreal w = rect.width(); const qreal h = rect.height(); newRect.setX(x-w/2); newRect.setY(y-h/2); newRect.setWidth(w); newRect.setHeight(h); suppressRetransform = true; q->setRect(newRect); suppressRetransform = false; QGraphicsItem::mouseReleaseEvent(event); } else if (mouseMode == CartesianPlot::ZoomSelectionMode || mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) { emit q->mouseReleaseZoomSelectionModeSignal(); } } void CartesianPlotPrivate::mouseReleaseZoomSelectionMode() { //don't zoom if very small region was selected, avoid occasional/unwanted zooming if ( qAbs(m_selectionEnd.x()-m_selectionStart.x()) < 20 || qAbs(m_selectionEnd.y()-m_selectionStart.y()) < 20 ) { m_selectionBandIsShown = false; return; } //determine the new plot ranges QPointF logicalZoomStart = cSystem->mapSceneToLogical(m_selectionStart, AbstractCoordinateSystem::SuppressPageClipping); QPointF logicalZoomEnd = cSystem->mapSceneToLogical(m_selectionEnd, AbstractCoordinateSystem::SuppressPageClipping); if (m_selectionEnd.x() > m_selectionStart.x()) { xMin = logicalZoomStart.x(); xMax = logicalZoomEnd.x(); } else { xMin = logicalZoomEnd.x(); xMax = logicalZoomStart.x(); } if (m_selectionEnd.y() > m_selectionStart.y()) { yMin = logicalZoomEnd.y(); yMax = logicalZoomStart.y(); } else { yMin = logicalZoomStart.y(); yMax = logicalZoomEnd.y(); } m_selectionBandIsShown = false; retransformScales(); } void CartesianPlotPrivate::wheelEvent(QGraphicsSceneWheelEvent* event) { if (locked) return; //determine first, which axes are selected and zoom only in the corresponding direction. //zoom the entire plot if no axes selected. bool zoomX = false; bool zoomY = false; for (auto* axis : q->children()) { if (!axis->graphicsItem()->isSelected()) continue; if (axis->orientation() == Axis::AxisHorizontal) zoomX = true; else zoomY = true; } if (event->delta() > 0) { if (!zoomX && !zoomY) { //no special axis selected -> zoom in everything q->zoomIn(); } else { if (zoomX) q->zoomInX(); if (zoomY) q->zoomInY(); } } else { if (!zoomX && !zoomY) { //no special axis selected -> zoom in everything q->zoomOut(); } else { if (zoomX) q->zoomOutX(); if (zoomY) q->zoomOutY(); } } } void CartesianPlotPrivate::hoverMoveEvent(QGraphicsSceneHoverEvent* event) { QPointF point = event->pos(); QString info; if (dataRect.contains(point)) { m_insideDataRect = true; QPointF logicalPoint = cSystem->mapSceneToLogical(point); if ((mouseMode == CartesianPlot::ZoomSelectionMode) || mouseMode == CartesianPlot::SelectionMode) { info = "x="; if (xRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.x()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.x()).toString(xRangeDateTimeFormat); info += ", y="; if (yRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.y()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.y()).toString(yRangeDateTimeFormat); } if (mouseMode == CartesianPlot::ZoomSelectionMode && !m_selectionBandIsShown) { emit q->mouseHoverZoomSelectionModeSignal(logicalPoint); } else if (mouseMode == CartesianPlot::ZoomXSelectionMode && !m_selectionBandIsShown) { info = "x="; if (xRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.x()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.x()).toString(xRangeDateTimeFormat); emit q->mouseHoverZoomSelectionModeSignal(logicalPoint); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode && !m_selectionBandIsShown) { info = "y="; if (yRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.y()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.y()).toString(yRangeDateTimeFormat); emit q->mouseHoverZoomSelectionModeSignal(logicalPoint); } else if (mouseMode == CartesianPlot::MouseMode::SelectionMode) { // hover the nearest curve to the mousepointer // hovering curves is implemented in the parent, because no ignoreEvent() exists // for it. Checking all curves and hover the first bool curve_hovered = false; QVector curves = q->children(); for (int i=curves.count() - 1; i >= 0; i--){ // because the last curve is above the other curves if (curve_hovered){ // if a curve is already hovered, disable hover for the rest curves[i]->setHover(false); continue; } if (curves[i]->activateCurve(event->pos())){ curves[i]->setHover(true); curve_hovered = true; continue; } curves[i]->setHover(false); } } else if (mouseMode == CartesianPlot::Cursor){ info = "x="; if (yRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.x()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.x()).toString(xRangeDateTimeFormat); - double cursorPenWidth2 = cursorPen.width()/2; - if (cursorPenWidth2 < 10) - cursorPenWidth2 = 10; + double cursorPenWidth2 = cursorPen.width()/2.; + if (cursorPenWidth2 < 10.) + cursorPenWidth2 = 10.; if ((cursor0Enable && qAbs(point.x()-cSystem->mapLogicalToScene(QPointF(cursor0Pos.x(),yMin)).x()) < cursorPenWidth2) || (cursor1Enable && qAbs(point.x()-cSystem->mapLogicalToScene(QPointF(cursor1Pos.x(),yMin)).x()) < cursorPenWidth2)) setCursor(Qt::SizeHorCursor); else setCursor(Qt::ArrowCursor); update(); } } else { m_insideDataRect = false; update(); } q->info(info); QGraphicsItem::hoverMoveEvent(event); } void CartesianPlotPrivate::hoverLeaveEvent(QGraphicsSceneHoverEvent* event) { QVector curves = q->children(); for (auto* curve : curves) curve->setHover(false); m_hovered = false; QGraphicsItem::hoverLeaveEvent(event); } void CartesianPlotPrivate::mouseHoverZoomSelectionMode(QPointF logicPos) { if (!isSelected()) return; if (mouseMode == CartesianPlot::ZoomSelectionMode && !m_selectionBandIsShown) { } else if (mouseMode == CartesianPlot::ZoomXSelectionMode && !m_selectionBandIsShown) { QPointF p1(logicPos.x(), yMin); QPointF p2(logicPos.x(), yMax); m_selectionStartLine.setP1(cSystem->mapLogicalToScene(p1, CartesianCoordinateSystem::MappingFlag::Limit)); m_selectionStartLine.setP2(cSystem->mapLogicalToScene(p2, CartesianCoordinateSystem::MappingFlag::Limit)); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode && !m_selectionBandIsShown) { QPointF p1(xMin, logicPos.y()); QPointF p2(xMax, logicPos.y()); m_selectionStartLine.setP1(cSystem->mapLogicalToScene(p1, CartesianCoordinateSystem::MappingFlag::Limit)); m_selectionStartLine.setP2(cSystem->mapLogicalToScene(p2, CartesianCoordinateSystem::MappingFlag::Limit)); } update(); // because if previous another selection mode was selected, the lines must be deleted } void CartesianPlotPrivate::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(option) Q_UNUSED(widget) if (!isVisible()) return; if (!m_printing) { painter->save(); painter->setPen(cursorPen); QFont font = painter->font(); font.setPointSize(font.pointSize() * 4); painter->setFont(font); QPointF p1 = cSystem->mapLogicalToScene(QPointF(cursor0Pos.x(),yMin)); if (cursor0Enable && p1 != QPointF(0,0)){ QPointF p2 = cSystem->mapLogicalToScene(QPointF(cursor0Pos.x(),yMax)); painter->drawLine(p1,p2); QPointF textPos = p2; textPos.setX(p2.x() - m_cursor0Text.size().width()/2); textPos.setY(p2.y() - m_cursor0Text.size().height()); if (textPos.y() < boundingRect().y()) textPos.setY(boundingRect().y()); painter->drawStaticText(textPos, m_cursor0Text); } p1 = cSystem->mapLogicalToScene(QPointF(cursor1Pos.x(),yMin)); if (cursor1Enable && p1 != QPointF(0,0)){ QPointF p2 = cSystem->mapLogicalToScene(QPointF(cursor1Pos.x(),yMax)); painter->drawLine(p1,p2); QPointF textPos = p2; // TODO: Moving this stuff into other function to not calculate it every time textPos.setX(p2.x() - m_cursor1Text.size().width()/2); textPos.setY(p2.y() - m_cursor1Text.size().height()); if (textPos.y() < boundingRect().y()) textPos.setY(boundingRect().y()); painter->drawStaticText(textPos, m_cursor1Text); } painter->restore(); } painter->setPen(QPen(Qt::black, 3)); if ((mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) && (!m_selectionBandIsShown) && m_insideDataRect) painter->drawLine(m_selectionStartLine); if (m_selectionBandIsShown) { QPointF selectionStart = m_selectionStart; if (m_selectionStart.x() > dataRect.right()) selectionStart.setX(dataRect.right()); if (m_selectionStart.x() < dataRect.left()) selectionStart.setX(dataRect.left()); if (m_selectionStart.y() > dataRect.bottom()) selectionStart.setY(dataRect.bottom()); if (m_selectionStart.y() < dataRect.top()) selectionStart.setY(dataRect.top()); QPointF selectionEnd = m_selectionEnd; if (m_selectionEnd.x() > dataRect.right()) selectionEnd.setX(dataRect.right()); if (m_selectionEnd.x() < dataRect.left()) selectionEnd.setX(dataRect.left()); if (m_selectionEnd.y() > dataRect.bottom()) selectionEnd.setY(dataRect.bottom()); if (m_selectionEnd.y() < dataRect.top()) selectionEnd.setY(dataRect.top()); painter->save(); painter->setPen(QPen(Qt::black, 5)); painter->drawRect(QRectF(selectionStart, selectionEnd)); painter->setBrush(Qt::blue); painter->setOpacity(0.2); painter->drawRect(QRectF(selectionStart, selectionEnd)); painter->restore(); } float penWidth = 6.; QRectF rect = q->m_plotArea->graphicsItem()->boundingRect(); rect = QRectF(-rect.width()/2 - penWidth / 2, -rect.height()/2 - penWidth / 2, rect.width() + penWidth, rect.height() + penWidth); if (m_hovered && !isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Shadow), penWidth, Qt::SolidLine)); painter->drawRect(rect); } if (isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Highlight), penWidth, Qt::SolidLine)); painter->drawRect(rect); } } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void CartesianPlot::save(QXmlStreamWriter* writer) const { Q_D(const CartesianPlot); writer->writeStartElement( "cartesianPlot" ); writeBasicAttributes(writer); writeCommentElement(writer); //applied theme if (!d->theme.isEmpty()) { writer->writeStartElement( "theme" ); writer->writeAttribute("name", d->theme); writer->writeEndElement(); } //cursor writer->writeStartElement( "cursor" ); WRITE_QPEN(d->cursorPen); writer->writeEndElement(); //geometry writer->writeStartElement( "geometry" ); writer->writeAttribute( "x", QString::number(d->rect.x()) ); writer->writeAttribute( "y", QString::number(d->rect.y()) ); writer->writeAttribute( "width", QString::number(d->rect.width()) ); writer->writeAttribute( "height", QString::number(d->rect.height()) ); writer->writeAttribute( "visible", QString::number(d->isVisible()) ); writer->writeEndElement(); //coordinate system and padding writer->writeStartElement( "coordinateSystem" ); writer->writeAttribute( "autoScaleX", QString::number(d->autoScaleX) ); writer->writeAttribute( "autoScaleY", QString::number(d->autoScaleY) ); writer->writeAttribute( "xMin", QString::number(d->xMin, 'g', 16)); writer->writeAttribute( "xMax", QString::number(d->xMax, 'g', 16) ); writer->writeAttribute( "yMin", QString::number(d->yMin, 'g', 16) ); writer->writeAttribute( "yMax", QString::number(d->yMax, 'g', 16) ); writer->writeAttribute( "xScale", QString::number(d->xScale) ); writer->writeAttribute( "yScale", QString::number(d->yScale) ); writer->writeAttribute( "xRangeFormat", QString::number(d->xRangeFormat) ); writer->writeAttribute( "yRangeFormat", QString::number(d->yRangeFormat) ); writer->writeAttribute( "horizontalPadding", QString::number(d->horizontalPadding) ); writer->writeAttribute( "verticalPadding", QString::number(d->verticalPadding) ); writer->writeAttribute( "rightPadding", QString::number(d->rightPadding) ); writer->writeAttribute( "bottomPadding", QString::number(d->bottomPadding) ); writer->writeAttribute( "symmetricPadding", QString::number(d->symmetricPadding)); writer->writeEndElement(); //x-scale breaks if (d->xRangeBreakingEnabled || !d->xRangeBreaks.list.isEmpty()) { writer->writeStartElement("xRangeBreaks"); writer->writeAttribute( "enabled", QString::number(d->xRangeBreakingEnabled) ); for (const auto& rb : d->xRangeBreaks.list) { writer->writeStartElement("xRangeBreak"); writer->writeAttribute("start", QString::number(rb.start)); writer->writeAttribute("end", QString::number(rb.end)); writer->writeAttribute("position", QString::number(rb.position)); writer->writeAttribute("style", QString::number(rb.style)); writer->writeEndElement(); } writer->writeEndElement(); } //y-scale breaks if (d->yRangeBreakingEnabled || !d->yRangeBreaks.list.isEmpty()) { writer->writeStartElement("yRangeBreaks"); writer->writeAttribute( "enabled", QString::number(d->yRangeBreakingEnabled) ); for (const auto& rb : d->yRangeBreaks.list) { writer->writeStartElement("yRangeBreak"); writer->writeAttribute("start", QString::number(rb.start)); writer->writeAttribute("end", QString::number(rb.end)); writer->writeAttribute("position", QString::number(rb.position)); writer->writeAttribute("style", QString::number(rb.style)); writer->writeEndElement(); } writer->writeEndElement(); } //serialize all children (plot area, title text label, axes and curves) for (auto* elem : children(IncludeHidden)) elem->save(writer); writer->writeEndElement(); // close "cartesianPlot" section } //! Load from XML bool CartesianPlot::load(XmlStreamReader* reader, bool preview) { Q_D(CartesianPlot); if (!readBasicAttributes(reader)) return false; KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; bool titleLabelRead = false; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "cartesianPlot") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (!preview && reader->name() == "theme") { attribs = reader->attributes(); d->theme = attribs.value("name").toString(); } else if (!preview && reader->name() == "cursor") { attribs = reader->attributes(); QPen pen; pen.setWidth(attribs.value("width").toInt()); pen.setStyle(static_cast(attribs.value("style").toInt())); QColor color; color.setRed(attribs.value("color_r").toInt()); color.setGreen(attribs.value("color_g").toInt()); color.setBlue(attribs.value("color_b").toInt()); pen.setColor(color); d->cursorPen = pen; } else if (!preview && reader->name() == "geometry") { attribs = reader->attributes(); str = attribs.value("x").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("x").toString()); else d->rect.setX( str.toDouble() ); str = attribs.value("y").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("y").toString()); else d->rect.setY( str.toDouble() ); str = attribs.value("width").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("width").toString()); else d->rect.setWidth( str.toDouble() ); str = attribs.value("height").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("height").toString()); else d->rect.setHeight( str.toDouble() ); str = attribs.value("visible").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("visible").toString()); else d->setVisible(str.toInt()); } else if (!preview && reader->name() == "coordinateSystem") { attribs = reader->attributes(); READ_INT_VALUE("autoScaleX", autoScaleX, bool); READ_INT_VALUE("autoScaleY", autoScaleY, bool); str = attribs.value("xMin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("xMin").toString()); else { d->xMin = str.toDouble(); d->xMinPrev = d->xMin; } str = attribs.value("xMax").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("xMax").toString()); else { d->xMax = str.toDouble(); d->xMaxPrev = d->xMax; } str = attribs.value("yMin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("yMin").toString()); else { d->yMin = str.toDouble(); d->yMinPrev = d->yMin; } str = attribs.value("yMax").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("yMax").toString()); else { d->yMax = str.toDouble(); d->yMaxPrev = d->yMax; } READ_INT_VALUE("xScale", xScale, CartesianPlot::Scale); READ_INT_VALUE("yScale", yScale, CartesianPlot::Scale); READ_INT_VALUE("xRangeFormat", xRangeFormat, CartesianPlot::RangeFormat); READ_INT_VALUE("yRangeFormat", yRangeFormat, CartesianPlot::RangeFormat); READ_DOUBLE_VALUE("horizontalPadding", horizontalPadding); READ_DOUBLE_VALUE("verticalPadding", verticalPadding); READ_DOUBLE_VALUE("rightPadding", rightPadding); READ_DOUBLE_VALUE("bottomPadding", bottomPadding); READ_INT_VALUE("symmetricPadding", symmetricPadding, bool); } else if (!preview && reader->name() == "xRangeBreaks") { //delete default rang break d->xRangeBreaks.list.clear(); attribs = reader->attributes(); READ_INT_VALUE("enabled", xRangeBreakingEnabled, bool); } else if (!preview && reader->name() == "xRangeBreak") { attribs = reader->attributes(); RangeBreak b; str = attribs.value("start").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("start").toString()); else b.start = str.toDouble(); str = attribs.value("end").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("end").toString()); else b.end = str.toDouble(); str = attribs.value("position").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("position").toString()); else b.position = str.toDouble(); str = attribs.value("style").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("style").toString()); else b.style = CartesianPlot::RangeBreakStyle(str.toInt()); d->xRangeBreaks.list << b; } else if (!preview && reader->name() == "yRangeBreaks") { //delete default rang break d->yRangeBreaks.list.clear(); attribs = reader->attributes(); READ_INT_VALUE("enabled", yRangeBreakingEnabled, bool); } else if (!preview && reader->name() == "yRangeBreak") { attribs = reader->attributes(); RangeBreak b; str = attribs.value("start").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("start").toString()); else b.start = str.toDouble(); str = attribs.value("end").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("end").toString()); else b.end = str.toDouble(); str = attribs.value("position").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("position").toString()); else b.position = str.toDouble(); str = attribs.value("style").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("style").toString()); else b.style = CartesianPlot::RangeBreakStyle(str.toInt()); d->yRangeBreaks.list << b; } else if (reader->name() == "textLabel") { if (!titleLabelRead) { //the first text label is always the title label m_title->load(reader, preview); titleLabelRead = true; //TODO: the name is read in m_title->load() but we overwrite it here //since the old projects don't have this " - Title" appendix yet that we add in init(). //can be removed in couple of releases m_title->setName(name() + QLatin1String(" - ") + i18n("Title")); } else { TextLabel* label = new TextLabel("text label"); if (label->load(reader, preview)) { addChildFast(label); label->setParentGraphicsItem(graphicsItem()); } else { delete label; return false; } } } else if (reader->name() == "plotArea") m_plotArea->load(reader, preview); else if (reader->name() == "axis") { Axis* axis = new Axis(QString()); if (axis->load(reader, preview)) addChildFast(axis); else { delete axis; return false; } } else if (reader->name() == "xyCurve") { XYCurve* curve = new XYCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyEquationCurve") { XYEquationCurve* curve = new XYEquationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyDataReductionCurve") { XYDataReductionCurve* curve = new XYDataReductionCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyDifferentiationCurve") { XYDifferentiationCurve* curve = new XYDifferentiationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyIntegrationCurve") { XYIntegrationCurve* curve = new XYIntegrationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyInterpolationCurve") { XYInterpolationCurve* curve = new XYInterpolationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xySmoothCurve") { XYSmoothCurve* curve = new XYSmoothCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyFitCurve") { XYFitCurve* curve = new XYFitCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyFourierFilterCurve") { XYFourierFilterCurve* curve = new XYFourierFilterCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyFourierTransformCurve") { XYFourierTransformCurve* curve = new XYFourierTransformCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyConvolutionCurve") { XYConvolutionCurve* curve = new XYConvolutionCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyCorrelationCurve") { XYCorrelationCurve* curve = new XYCorrelationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "cartesianPlotLegend") { m_legend = new CartesianPlotLegend(this, QString()); if (m_legend->load(reader, preview)) addChildFast(m_legend); else { delete m_legend; return false; } } else if (reader->name() == "customPoint") { CustomPoint* point = new CustomPoint(this, QString()); if (point->load(reader, preview)) addChildFast(point); else { delete point; return false; } } else if (reader->name() == "Histogram") { Histogram* curve = new Histogram("Histogram"); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else { // unknown element reader->raiseWarning(i18n("unknown cartesianPlot element '%1'", reader->name().toString())); if (!reader->skipToEndElement()) return false; } } if (preview) return true; d->retransform(); //if a theme was used, initialize the color palette if (!d->theme.isEmpty()) { //TODO: check whether the theme config really exists KConfig config( ThemeHandler::themeFilePath(d->theme), KConfig::SimpleConfig ); this->setColorPalette(config); } else { //initialize the color palette with default colors this->setColorPalette(KConfig()); } return true; } //############################################################################## //######################### Theme management ################################## //############################################################################## void CartesianPlot::loadTheme(const QString& theme) { KConfig config(ThemeHandler::themeFilePath(theme), KConfig::SimpleConfig); loadThemeConfig(config); } void CartesianPlot::loadThemeConfig(const KConfig& config) { QString str = config.name(); // theme path is saved with UNIX dir separator str = str.right(str.length() - str.lastIndexOf(QLatin1Char('/')) - 1); DEBUG(" set theme to " << str.toStdString()); this->setTheme(str); //load the color palettes for the curves this->setColorPalette(config); //load the theme for all the children for (auto* child : children(AbstractAspect::IncludeHidden)) child->loadThemeConfig(config); Q_D(CartesianPlot); d->update(this->rect()); } void CartesianPlot::saveTheme(KConfig &config) { const QVector& axisElements = children(AbstractAspect::IncludeHidden); const QVector& plotAreaElements = children(AbstractAspect::IncludeHidden); const QVector& textLabelElements = children(AbstractAspect::IncludeHidden); axisElements.at(0)->saveThemeConfig(config); plotAreaElements.at(0)->saveThemeConfig(config); textLabelElements.at(0)->saveThemeConfig(config); for (auto *child : children(AbstractAspect::IncludeHidden)) child->saveThemeConfig(config); } //Generating colors from 5-color theme palette void CartesianPlot::setColorPalette(const KConfig& config) { if (config.hasGroup(QLatin1String("Theme"))) { KConfigGroup group = config.group(QLatin1String("Theme")); //read the five colors defining the palette m_themeColorPalette.clear(); m_themeColorPalette.append(group.readEntry("ThemePaletteColor1", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor2", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor3", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor4", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor5", QColor())); } else { //no theme is available, provide 5 "default colors" m_themeColorPalette.clear(); m_themeColorPalette.append(QColor(25, 25, 25)); m_themeColorPalette.append(QColor(0, 0, 127)); m_themeColorPalette.append(QColor(127 ,0, 0)); m_themeColorPalette.append(QColor(0, 127, 0)); m_themeColorPalette.append(QColor(85, 0, 127)); } //generate 30 additional shades if the color palette contains more than one color if (m_themeColorPalette.at(0) != m_themeColorPalette.at(1)) { QColor c; //3 factors to create shades from theme's palette float fac[3] = {0.25f,0.45f,0.65f}; //Generate 15 lighter shades for (int i = 0; i < 5; i++) { for (int j = 1; j < 4; j++) { c.setRed( m_themeColorPalette.at(i).red()*(1-fac[j-1]) ); c.setGreen( m_themeColorPalette.at(i).green()*(1-fac[j-1]) ); c.setBlue( m_themeColorPalette.at(i).blue()*(1-fac[j-1]) ); m_themeColorPalette.append(c); } } //Generate 15 darker shades for (int i = 0; i < 5; i++) { for (int j = 4; j < 7; j++) { c.setRed( m_themeColorPalette.at(i).red()+((255-m_themeColorPalette.at(i).red())*fac[j-4]) ); c.setGreen( m_themeColorPalette.at(i).green()+((255-m_themeColorPalette.at(i).green())*fac[j-4]) ); c.setBlue( m_themeColorPalette.at(i).blue()+((255-m_themeColorPalette.at(i).blue())*fac[j-4]) ); m_themeColorPalette.append(c); } } } } const QList& CartesianPlot::themeColorPalette() const { return m_themeColorPalette; } diff --git a/src/backend/worksheet/plots/cartesian/XYAnalysisCurve.cpp b/src/backend/worksheet/plots/cartesian/XYAnalysisCurve.cpp index fef2f4a2b..830065b7b 100644 --- a/src/backend/worksheet/plots/cartesian/XYAnalysisCurve.cpp +++ b/src/backend/worksheet/plots/cartesian/XYAnalysisCurve.cpp @@ -1,294 +1,297 @@ /*************************************************************************** File : XYAnalysisCurve.h Project : LabPlot Description : Base class for all analysis curves -------------------------------------------------------------------- Copyright : (C) 2017-2018 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2018 Stefan Gerlach (stefan.gerlach@uni.kn) ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ /*! \class XYAnalysisCurve \brief Base class for all analysis curves \ingroup worksheet */ #include "XYAnalysisCurve.h" #include "XYAnalysisCurvePrivate.h" #include "backend/core/column/Column.h" #include "backend/lib/commandtemplates.h" #include "backend/lib/macros.h" #include XYAnalysisCurve::XYAnalysisCurve(const QString& name, AspectType type) : XYCurve(name, new XYAnalysisCurvePrivate(this), type) { init(); } XYAnalysisCurve::XYAnalysisCurve(const QString& name, XYAnalysisCurvePrivate* dd, AspectType type) : XYCurve(name, dd, type) { init(); } //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene XYAnalysisCurve::~XYAnalysisCurve() = default; void XYAnalysisCurve::init() { Q_D(XYAnalysisCurve); d->lineType = XYCurve::Line; d->symbolsStyle = Symbol::NoSymbols; } //############################################################################## //########################## getter methods ################################## //############################################################################## BASIC_SHARED_D_READER_IMPL(XYAnalysisCurve, XYAnalysisCurve::DataSourceType, dataSourceType, dataSourceType) BASIC_SHARED_D_READER_IMPL(XYAnalysisCurve, const XYCurve*, dataSourceCurve, dataSourceCurve) const QString& XYAnalysisCurve::dataSourceCurvePath() const { return d_ptr->dataSourceCurvePath; } BASIC_SHARED_D_READER_IMPL(XYAnalysisCurve, const AbstractColumn*, xDataColumn, xDataColumn) BASIC_SHARED_D_READER_IMPL(XYAnalysisCurve, const AbstractColumn*, yDataColumn, yDataColumn) BASIC_SHARED_D_READER_IMPL(XYAnalysisCurve, const AbstractColumn*, y2DataColumn, y2DataColumn) CLASS_SHARED_D_READER_IMPL(XYAnalysisCurve, QString, xDataColumnPath, xDataColumnPath) CLASS_SHARED_D_READER_IMPL(XYAnalysisCurve, QString, yDataColumnPath, yDataColumnPath) CLASS_SHARED_D_READER_IMPL(XYAnalysisCurve, QString, y2DataColumnPath, y2DataColumnPath) //############################################################################## //################# setter methods and undo commands ########################## //############################################################################## STD_SETTER_CMD_IMPL_S(XYAnalysisCurve, SetDataSourceType, XYAnalysisCurve::DataSourceType, dataSourceType) void XYAnalysisCurve::setDataSourceType(DataSourceType type) { Q_D(XYAnalysisCurve); if (type != d->dataSourceType) exec(new XYAnalysisCurveSetDataSourceTypeCmd(d, type, ki18n("%1: data source type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYAnalysisCurve, SetDataSourceCurve, const XYCurve*, dataSourceCurve, retransform) void XYAnalysisCurve::setDataSourceCurve(const XYCurve* curve) { Q_D(XYAnalysisCurve); if (curve != d->dataSourceCurve) { exec(new XYAnalysisCurveSetDataSourceCurveCmd(d, curve, ki18n("%1: data source curve changed"))); handleSourceDataChanged(); //handle the changes when different columns were provided for the source curve connect(curve, SIGNAL(xColumnChanged(const AbstractColumn*)), this, SLOT(handleSourceDataChanged())); connect(curve, SIGNAL(yColumnChanged(const AbstractColumn*)), this, SLOT(handleSourceDataChanged())); //TODO? connect(curve, SIGNAL(y2ColumnChanged(const AbstractColumn*)), this, SLOT(handleSourceDataChanged())); //handle the changes when the data inside of the source curve columns connect(curve, &XYCurve::xDataChanged, this, &XYAnalysisCurve::handleSourceDataChanged); connect(curve, &XYCurve::yDataChanged, this, &XYAnalysisCurve::handleSourceDataChanged); //TODO: add disconnect in the undo-function } } STD_SETTER_CMD_IMPL_S(XYAnalysisCurve, SetXDataColumn, const AbstractColumn*, xDataColumn) void XYAnalysisCurve::setXDataColumn(const AbstractColumn* column) { DEBUG("XYAnalysisCurve::setXDataColumn()"); Q_D(XYAnalysisCurve); if (column != d->xDataColumn) { - setXDataColumnPath(column->path()); exec(new XYAnalysisCurveSetXDataColumnCmd(d, column, ki18n("%1: assign x-data"))); handleSourceDataChanged(); if (column) { + setXDataColumnPath(column->path()); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYAnalysisCurve::xDataColumnAboutToBeRemoved); connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(handleSourceDataChanged())); connect(column, &AbstractAspect::aspectDescriptionChanged, this, &XYAnalysisCurve::xDataColumnNameChanged); //TODO disconnect on undo - } + } else + setXDataColumnPath(""); } } STD_SETTER_CMD_IMPL_S(XYAnalysisCurve, SetYDataColumn, const AbstractColumn*, yDataColumn) void XYAnalysisCurve::setYDataColumn(const AbstractColumn* column) { DEBUG("XYAnalysisCurve::setYDataColumn()"); Q_D(XYAnalysisCurve); if (column != d->yDataColumn) { - setYDataColumnPath(column->path()); exec(new XYAnalysisCurveSetYDataColumnCmd(d, column, ki18n("%1: assign y-data"))); handleSourceDataChanged(); if (column) { + setYDataColumnPath(column->path()); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYAnalysisCurve::yDataColumnAboutToBeRemoved); connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(handleSourceDataChanged())); connect(column, &AbstractAspect::aspectDescriptionChanged, this, &XYAnalysisCurve::yDataColumnNameChanged); //TODO disconnect on undo - } + } else + setXDataColumnPath(""); } } STD_SETTER_CMD_IMPL_S(XYAnalysisCurve, SetY2DataColumn, const AbstractColumn*, y2DataColumn) void XYAnalysisCurve::setY2DataColumn(const AbstractColumn* column) { DEBUG("XYAnalysisCurve::setY2DataColumn()"); Q_D(XYAnalysisCurve); if (column != d->y2DataColumn) { - setY2DataColumnPath(column->path()); exec(new XYAnalysisCurveSetY2DataColumnCmd(d, column, ki18n("%1: assign second y-data"))); handleSourceDataChanged(); if (column) { + setY2DataColumnPath(column->path()); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYAnalysisCurve::y2DataColumnAboutToBeRemoved); connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(handleSourceDataChanged())); connect(column, &AbstractAspect::aspectDescriptionChanged, this, &XYAnalysisCurve::y2DataColumnNameChanged); //TODO disconnect on undo - } + } else + setXDataColumnPath(""); } } void XYAnalysisCurve::setXDataColumnPath(const QString& path) { Q_D(XYAnalysisCurve); d->xDataColumnPath = path; } void XYAnalysisCurve::setYDataColumnPath(const QString& path) { Q_D(XYAnalysisCurve); d->yDataColumnPath = path; } void XYAnalysisCurve::setY2DataColumnPath(const QString& path) { Q_D(XYAnalysisCurve); d->y2DataColumnPath = path; } //############################################################################## //################################# SLOTS #################################### //############################################################################## void XYAnalysisCurve::handleSourceDataChanged() { Q_D(XYAnalysisCurve); d->sourceDataChangedSinceLastRecalc = true; emit sourceDataChanged(); } void XYAnalysisCurve::xDataColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYAnalysisCurve); if (aspect == d->xDataColumn) { d->xDataColumn = nullptr; d->retransform(); } } void XYAnalysisCurve::yDataColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYAnalysisCurve); if (aspect == d->yDataColumn) { d->yDataColumn = nullptr; d->retransform(); } } void XYAnalysisCurve::y2DataColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYAnalysisCurve); if (aspect == d->y2DataColumn) { d->y2DataColumn = nullptr; d->retransform(); } } void XYAnalysisCurve::xDataColumnNameChanged() { Q_D(XYAnalysisCurve); setXDataColumnPath(d->xDataColumn->path()); } void XYAnalysisCurve::yDataColumnNameChanged() { Q_D(XYAnalysisCurve); setYDataColumnPath(d->yDataColumn->path()); } void XYAnalysisCurve::y2DataColumnNameChanged() { Q_D(XYAnalysisCurve); setYDataColumnPath(d->y2DataColumn->path()); } //############################################################################## //######################### Private implementation ############################# //############################################################################## XYAnalysisCurvePrivate::XYAnalysisCurvePrivate(XYAnalysisCurve* owner) : XYCurvePrivate(owner), q(owner) { } //no need to delete xColumn and yColumn, they are deleted //when the parent aspect is removed XYAnalysisCurvePrivate::~XYAnalysisCurvePrivate() = default; //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void XYAnalysisCurve::save(QXmlStreamWriter* writer) const { Q_D(const XYAnalysisCurve); writer->writeStartElement("xyAnalysisCurve"); //write xy-curve information XYCurve::save(writer); //write data source specific information writer->writeStartElement("dataSource"); writer->writeAttribute( "type", QString::number(d->dataSourceType) ); WRITE_PATH(d->dataSourceCurve, dataSourceCurve); WRITE_COLUMN(d->xDataColumn, xDataColumn); WRITE_COLUMN(d->yDataColumn, yDataColumn); WRITE_COLUMN(d->y2DataColumn, y2DataColumn); writer->writeEndElement(); writer->writeEndElement(); //"xyAnalysisCurve" } //! Load from XML bool XYAnalysisCurve::load(XmlStreamReader* reader, bool preview) { Q_D(XYAnalysisCurve); KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "xyAnalysisCurve") break; if (!reader->isStartElement()) continue; if (reader->name() == "xyCurve") { if ( !XYCurve::load(reader, preview) ) return false; } else if (reader->name() == "dataSource") { attribs = reader->attributes(); READ_INT_VALUE("type", dataSourceType, XYAnalysisCurve::DataSourceType); READ_PATH(dataSourceCurve); READ_COLUMN(xDataColumn); READ_COLUMN(yDataColumn); READ_COLUMN(y2DataColumn); } } return true; } diff --git a/src/backend/worksheet/plots/cartesian/XYCurve.cpp b/src/backend/worksheet/plots/cartesian/XYCurve.cpp index 162da826d..493cecbcf 100644 --- a/src/backend/worksheet/plots/cartesian/XYCurve.cpp +++ b/src/backend/worksheet/plots/cartesian/XYCurve.cpp @@ -1,3533 +1,3537 @@ /*************************************************************************** File : XYCurve.cpp Project : LabPlot Description : A xy-curve -------------------------------------------------------------------- Copyright : (C) 2010-2018 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2013 Stefan Gerlach (stefan.gerlach@uni.kn) ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ /*! \class XYCurve \brief A 2D-curve, provides an interface for editing many properties of the curve. \ingroup worksheet */ #include "XYCurve.h" #include "XYCurvePrivate.h" #include "backend/core/column/Column.h" #include "backend/worksheet/plots/cartesian/CartesianCoordinateSystem.h" #include "backend/worksheet/plots/cartesian/CartesianPlot.h" #include "backend/lib/commandtemplates.h" #include "backend/core/Project.h" #include "backend/spreadsheet/Spreadsheet.h" #include "backend/worksheet/Worksheet.h" #include "backend/lib/XmlStreamReader.h" #include "backend/lib/macros.h" #include "backend/lib/trace.h" #include "backend/gsl/errors.h" #include "tools/ImageTools.h" #include #include #include #include #include #include #include #include extern "C" { #include #include } XYCurve::XYCurve(const QString &name, AspectType type) : WorksheetElement(name, type), d_ptr(new XYCurvePrivate(this)) { init(); } XYCurve::XYCurve(const QString& name, XYCurvePrivate* dd, AspectType type) : WorksheetElement(name, type), d_ptr(dd) { init(); } //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene XYCurve::~XYCurve() = default; void XYCurve::finalizeAdd() { Q_D(XYCurve); d->plot = dynamic_cast(parentAspect()); Q_ASSERT(d->plot); d->cSystem = dynamic_cast(d->plot->coordinateSystem()); } void XYCurve::init() { Q_D(XYCurve); KConfig config; KConfigGroup group = config.group("XYCurve"); d->xColumn = nullptr; d->yColumn = nullptr; d->lineType = (XYCurve::LineType) group.readEntry("LineType", (int)XYCurve::Line); d->lineIncreasingXOnly = group.readEntry("LineIncreasingXOnly", false); d->lineSkipGaps = group.readEntry("SkipLineGaps", false); d->lineInterpolationPointsCount = group.readEntry("LineInterpolationPointsCount", 1); d->linePen.setStyle( (Qt::PenStyle) group.readEntry("LineStyle", (int)Qt::SolidLine) ); d->linePen.setColor( group.readEntry("LineColor", QColor(Qt::black)) ); d->linePen.setWidthF( group.readEntry("LineWidth", Worksheet::convertToSceneUnits(1.0, Worksheet::Point)) ); d->lineOpacity = group.readEntry("LineOpacity", 1.0); d->dropLineType = (XYCurve::DropLineType) group.readEntry("DropLineType", (int)XYCurve::NoLine); d->dropLinePen.setStyle( (Qt::PenStyle) group.readEntry("DropLineStyle", (int)Qt::SolidLine) ); d->dropLinePen.setColor( group.readEntry("DropLineColor", QColor(Qt::black))); d->dropLinePen.setWidthF( group.readEntry("DropLineWidth", Worksheet::convertToSceneUnits(1.0, Worksheet::Point)) ); d->dropLineOpacity = group.readEntry("DropLineOpacity", 1.0); d->symbolsStyle = (Symbol::Style)group.readEntry("SymbolStyle", (int)Symbol::NoSymbols); d->symbolsSize = group.readEntry("SymbolSize", Worksheet::convertToSceneUnits(5, Worksheet::Point)); d->symbolsRotationAngle = group.readEntry("SymbolRotation", 0.0); d->symbolsOpacity = group.readEntry("SymbolOpacity", 1.0); d->symbolsBrush.setStyle( (Qt::BrushStyle)group.readEntry("SymbolFillingStyle", (int)Qt::SolidPattern) ); d->symbolsBrush.setColor( group.readEntry("SymbolFillingColor", QColor(Qt::black)) ); d->symbolsPen.setStyle( (Qt::PenStyle)group.readEntry("SymbolBorderStyle", (int)Qt::SolidLine) ); d->symbolsPen.setColor( group.readEntry("SymbolBorderColor", QColor(Qt::black)) ); d->symbolsPen.setWidthF( group.readEntry("SymbolBorderWidth", Worksheet::convertToSceneUnits(0.0, Worksheet::Point)) ); d->valuesType = (XYCurve::ValuesType) group.readEntry("ValuesType", (int)XYCurve::NoValues); d->valuesColumn = nullptr; d->valuesPosition = (XYCurve::ValuesPosition) group.readEntry("ValuesPosition", (int)XYCurve::ValuesAbove); d->valuesDistance = group.readEntry("ValuesDistance", Worksheet::convertToSceneUnits(5, Worksheet::Point)); d->valuesRotationAngle = group.readEntry("ValuesRotation", 0.0); d->valuesOpacity = group.readEntry("ValuesOpacity", 1.0); d->valuesPrefix = group.readEntry("ValuesPrefix", ""); d->valuesSuffix = group.readEntry("ValuesSuffix", ""); d->valuesFont = group.readEntry("ValuesFont", QFont()); d->valuesFont.setPixelSize( Worksheet::convertToSceneUnits( 8, Worksheet::Point ) ); d->valuesColor = group.readEntry("ValuesColor", QColor(Qt::black)); d->fillingPosition = (XYCurve::FillingPosition) group.readEntry("FillingPosition", (int)XYCurve::NoFilling); d->fillingType = (PlotArea::BackgroundType) group.readEntry("FillingType", (int)PlotArea::Color); d->fillingColorStyle = (PlotArea::BackgroundColorStyle) group.readEntry("FillingColorStyle", (int) PlotArea::SingleColor); d->fillingImageStyle = (PlotArea::BackgroundImageStyle) group.readEntry("FillingImageStyle", (int) PlotArea::Scaled); d->fillingBrushStyle = (Qt::BrushStyle) group.readEntry("FillingBrushStyle", (int) Qt::SolidPattern); d->fillingFileName = group.readEntry("FillingFileName", QString()); d->fillingFirstColor = group.readEntry("FillingFirstColor", QColor(Qt::white)); d->fillingSecondColor = group.readEntry("FillingSecondColor", QColor(Qt::black)); d->fillingOpacity = group.readEntry("FillingOpacity", 1.0); d->xErrorType = (XYCurve::ErrorType) group.readEntry("XErrorType", (int)XYCurve::NoError); d->xErrorPlusColumn = nullptr; d->xErrorMinusColumn = nullptr; d->yErrorType = (XYCurve::ErrorType) group.readEntry("YErrorType", (int)XYCurve::NoError); d->yErrorPlusColumn = nullptr; d->yErrorMinusColumn = nullptr; d->errorBarsType = (XYCurve::ErrorBarsType) group.readEntry("ErrorBarsType", (int)XYCurve::ErrorBarsSimple); d->errorBarsCapSize = group.readEntry( "ErrorBarsCapSize", Worksheet::convertToSceneUnits(10, Worksheet::Point) ); d->errorBarsPen.setStyle( (Qt::PenStyle)group.readEntry("ErrorBarsStyle", (int)Qt::SolidLine) ); d->errorBarsPen.setColor( group.readEntry("ErrorBarsColor", QColor(Qt::black)) ); d->errorBarsPen.setWidthF( group.readEntry("ErrorBarsWidth", Worksheet::convertToSceneUnits(1.0, Worksheet::Point)) ); d->errorBarsOpacity = group.readEntry("ErrorBarsOpacity", 1.0); } void XYCurve::initActions() { visibilityAction = new QAction(QIcon::fromTheme("view-visible"), i18n("Visible"), this); visibilityAction->setCheckable(true); connect(visibilityAction, SIGNAL(triggered(bool)), this, SLOT(visibilityChanged())); navigateToAction = new QAction(QIcon::fromTheme("go-next-view"), QString(), this); connect(navigateToAction, SIGNAL(triggered(bool)), this, SLOT(navigateTo())); m_menusInitialized = true; } QMenu* XYCurve::createContextMenu() { if (!m_menusInitialized) initActions(); QMenu* menu = WorksheetElement::createContextMenu(); QAction* firstAction = menu->actions().at(1); //skip the first action because of the "title-action" visibilityAction->setChecked(isVisible()); menu->insertAction(firstAction, visibilityAction); //"data analysis" menu auto* plot = dynamic_cast(parentAspect()); menu->insertMenu(visibilityAction, plot->analysisMenu()); menu->insertSeparator(visibilityAction); //"Navigate to spreadsheet"-action, show only if x- or y-columns have data from a spreadsheet AbstractAspect* parentSpreadsheet = nullptr; if (xColumn() && dynamic_cast(xColumn()->parentAspect()) ) parentSpreadsheet = xColumn()->parentAspect(); else if (yColumn() && dynamic_cast(yColumn()->parentAspect()) ) parentSpreadsheet = yColumn()->parentAspect(); if (parentSpreadsheet) { navigateToAction->setText(i18n("Navigate to \"%1\"", parentSpreadsheet->name())); navigateToAction->setData(parentSpreadsheet->path()); menu->insertAction(visibilityAction, navigateToAction); menu->insertSeparator(visibilityAction); } //if the context menu is called on an item that is not selected yet, select it if (!graphicsItem()->isSelected()) graphicsItem()->setSelected(true); return menu; } /*! Returns an icon to be used in the project explorer. */ QIcon XYCurve::icon() const { return QIcon::fromTheme("labplot-xy-curve"); } QGraphicsItem* XYCurve::graphicsItem() const { return d_ptr; } STD_SWAP_METHOD_SETTER_CMD_IMPL(XYCurve, SetVisible, bool, swapVisible) void XYCurve::setVisible(bool on) { Q_D(XYCurve); exec(new XYCurveSetVisibleCmd(d, on, on ? ki18n("%1: set visible") : ki18n("%1: set invisible"))); } bool XYCurve::isVisible() const { Q_D(const XYCurve); return d->isVisible(); } void XYCurve::setPrinting(bool on) { Q_D(XYCurve); d->setPrinting(on); } //############################################################################## //########################## getter methods ################################## //############################################################################## //data source BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn*, xColumn, xColumn) BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn*, yColumn, yColumn) CLASS_SHARED_D_READER_IMPL(XYCurve, QString, xColumnPath, xColumnPath) CLASS_SHARED_D_READER_IMPL(XYCurve, QString, yColumnPath, yColumnPath) //line BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::LineType, lineType, lineType) BASIC_SHARED_D_READER_IMPL(XYCurve, bool, lineSkipGaps, lineSkipGaps) BASIC_SHARED_D_READER_IMPL(XYCurve, bool, lineIncreasingXOnly, lineIncreasingXOnly) BASIC_SHARED_D_READER_IMPL(XYCurve, int, lineInterpolationPointsCount, lineInterpolationPointsCount) CLASS_SHARED_D_READER_IMPL(XYCurve, QPen, linePen, linePen) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, lineOpacity, lineOpacity) //droplines BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::DropLineType, dropLineType, dropLineType) CLASS_SHARED_D_READER_IMPL(XYCurve, QPen, dropLinePen, dropLinePen) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, dropLineOpacity, dropLineOpacity) //symbols BASIC_SHARED_D_READER_IMPL(XYCurve, Symbol::Style, symbolsStyle, symbolsStyle) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, symbolsOpacity, symbolsOpacity) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, symbolsRotationAngle, symbolsRotationAngle) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, symbolsSize, symbolsSize) CLASS_SHARED_D_READER_IMPL(XYCurve, QBrush, symbolsBrush, symbolsBrush) CLASS_SHARED_D_READER_IMPL(XYCurve, QPen, symbolsPen, symbolsPen) //values BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::ValuesType, valuesType, valuesType) BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn *, valuesColumn, valuesColumn) const QString& XYCurve::valuesColumnPath() const { return d_ptr->valuesColumnPath; } BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::ValuesPosition, valuesPosition, valuesPosition) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, valuesDistance, valuesDistance) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, valuesRotationAngle, valuesRotationAngle) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, valuesOpacity, valuesOpacity) CLASS_SHARED_D_READER_IMPL(XYCurve, QString, valuesPrefix, valuesPrefix) CLASS_SHARED_D_READER_IMPL(XYCurve, QString, valuesSuffix, valuesSuffix) CLASS_SHARED_D_READER_IMPL(XYCurve, QColor, valuesColor, valuesColor) CLASS_SHARED_D_READER_IMPL(XYCurve, QFont, valuesFont, valuesFont) //filling BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::FillingPosition, fillingPosition, fillingPosition) BASIC_SHARED_D_READER_IMPL(XYCurve, PlotArea::BackgroundType, fillingType, fillingType) BASIC_SHARED_D_READER_IMPL(XYCurve, PlotArea::BackgroundColorStyle, fillingColorStyle, fillingColorStyle) BASIC_SHARED_D_READER_IMPL(XYCurve, PlotArea::BackgroundImageStyle, fillingImageStyle, fillingImageStyle) CLASS_SHARED_D_READER_IMPL(XYCurve, Qt::BrushStyle, fillingBrushStyle, fillingBrushStyle) CLASS_SHARED_D_READER_IMPL(XYCurve, QColor, fillingFirstColor, fillingFirstColor) CLASS_SHARED_D_READER_IMPL(XYCurve, QColor, fillingSecondColor, fillingSecondColor) CLASS_SHARED_D_READER_IMPL(XYCurve, QString, fillingFileName, fillingFileName) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, fillingOpacity, fillingOpacity) //error bars BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::ErrorType, xErrorType, xErrorType) BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn*, xErrorPlusColumn, xErrorPlusColumn) const QString& XYCurve::xErrorPlusColumnPath() const { return d_ptr->xErrorPlusColumnPath; } BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn*, xErrorMinusColumn, xErrorMinusColumn) const QString& XYCurve::xErrorMinusColumnPath() const { return d_ptr->xErrorMinusColumnPath; } BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::ErrorType, yErrorType, yErrorType) BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn*, yErrorPlusColumn, yErrorPlusColumn) const QString& XYCurve::yErrorPlusColumnPath() const { return d_ptr->yErrorPlusColumnPath; } BASIC_SHARED_D_READER_IMPL(XYCurve, const AbstractColumn*, yErrorMinusColumn, yErrorMinusColumn) const QString& XYCurve::yErrorMinusColumnPath() const { return d_ptr->yErrorMinusColumnPath; } BASIC_SHARED_D_READER_IMPL(XYCurve, XYCurve::ErrorBarsType, errorBarsType, errorBarsType) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, errorBarsCapSize, errorBarsCapSize) CLASS_SHARED_D_READER_IMPL(XYCurve, QPen, errorBarsPen, errorBarsPen) BASIC_SHARED_D_READER_IMPL(XYCurve, qreal, errorBarsOpacity, errorBarsOpacity) /*! * return \c true if the data in the source columns (x, y) used in the analysis curves, \c false otherwise */ bool XYCurve::isSourceDataChangedSinceLastRecalc() const { Q_D(const XYCurve); return d->sourceDataChangedSinceLastRecalc; } //############################################################################## //################# setter methods and undo commands ########################## //############################################################################## STD_SETTER_CMD_IMPL_F_S(XYCurve, SetXColumn, const AbstractColumn*, xColumn, recalcLogicalPoints) void XYCurve::setXColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->xColumn) { - setXColumnPath(column->path()); exec(new XYCurveSetXColumnCmd(d, column, ki18n("%1: x-data source changed"))); //emit xDataChanged() in order to notify the plot about the changes emit xDataChanged(); if (column) { + setXColumnPath(column->path()); + //update the curve itself on changes connect(column, &AbstractColumn::dataChanged, this, [=](){ d->recalcLogicalPoints(); }); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::xColumnAboutToBeRemoved); connect(column, &AbstractAspect::aspectDescriptionChanged, this, &XYCurve::xColumnNameChanged); //after the curve was updated, emit the signal to update the plot ranges connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SIGNAL(xDataChanged())); //TODO: add disconnect in the undo-function - } + } else + setXColumnPath(""); } } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetYColumn, const AbstractColumn*, yColumn, recalcLogicalPoints) void XYCurve::setYColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->yColumn) { - setYColumnPath(column->path()); // disconnect old column disconnect(d->yColumn, &AbstractAspect::aspectDescriptionChanged, this, &XYCurve::yColumnNameChanged); exec(new XYCurveSetYColumnCmd(d, column, ki18n("%1: y-data source changed"))); //emit yDataChanged() in order to notify the plot about the changes emit yDataChanged(); if (column) { + setYColumnPath(column->path()); + //update the curve itself on changes connect(column, &AbstractColumn::dataChanged, this, [=](){ d->recalcLogicalPoints(); }); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::yColumnAboutToBeRemoved); connect(column, &AbstractAspect::aspectDescriptionChanged, this, &XYCurve::yColumnNameChanged); //after the curve was updated, emit the signal to update the plot ranges connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SIGNAL(yDataChanged())); //TODO: add disconnect in the undo-function - } + } else + setXColumnPath(""); } } void XYCurve::setXColumnPath(const QString& path) { Q_D(XYCurve); d->xColumnPath = path; } void XYCurve::setYColumnPath(const QString& path) { Q_D(XYCurve); d->yColumnPath = path; } //Line STD_SETTER_CMD_IMPL_F_S(XYCurve, SetLineType, XYCurve::LineType, lineType, updateLines) void XYCurve::setLineType(LineType type) { Q_D(XYCurve); if (type != d->lineType) exec(new XYCurveSetLineTypeCmd(d, type, ki18n("%1: line type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetLineSkipGaps, bool, lineSkipGaps, updateLines) void XYCurve::setLineSkipGaps(bool skip) { Q_D(XYCurve); if (skip != d->lineSkipGaps) exec(new XYCurveSetLineSkipGapsCmd(d, skip, ki18n("%1: set skip line gaps"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetLineIncreasingXOnly, bool, lineIncreasingXOnly, updateLines) void XYCurve::setLineIncreasingXOnly(bool incr) { Q_D(XYCurve); if (incr != d->lineIncreasingXOnly) exec(new XYCurveSetLineIncreasingXOnlyCmd(d, incr, ki18n("%1: set increasing X"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetLineInterpolationPointsCount, int, lineInterpolationPointsCount, updateLines) void XYCurve::setLineInterpolationPointsCount(int count) { Q_D(XYCurve); if (count != d->lineInterpolationPointsCount) exec(new XYCurveSetLineInterpolationPointsCountCmd(d, count, ki18n("%1: set the number of interpolation points"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetLinePen, QPen, linePen, recalcShapeAndBoundingRect) void XYCurve::setLinePen(const QPen &pen) { Q_D(XYCurve); if (pen != d->linePen) exec(new XYCurveSetLinePenCmd(d, pen, ki18n("%1: set line style"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetLineOpacity, qreal, lineOpacity, updatePixmap); void XYCurve::setLineOpacity(qreal opacity) { Q_D(XYCurve); if (opacity != d->lineOpacity) exec(new XYCurveSetLineOpacityCmd(d, opacity, ki18n("%1: set line opacity"))); } //Drop lines STD_SETTER_CMD_IMPL_F_S(XYCurve, SetDropLineType, XYCurve::DropLineType, dropLineType, updateDropLines) void XYCurve::setDropLineType(DropLineType type) { Q_D(XYCurve); if (type != d->dropLineType) exec(new XYCurveSetDropLineTypeCmd(d, type, ki18n("%1: drop line type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetDropLinePen, QPen, dropLinePen, recalcShapeAndBoundingRect) void XYCurve::setDropLinePen(const QPen &pen) { Q_D(XYCurve); if (pen != d->dropLinePen) exec(new XYCurveSetDropLinePenCmd(d, pen, ki18n("%1: set drop line style"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetDropLineOpacity, qreal, dropLineOpacity, updatePixmap) void XYCurve::setDropLineOpacity(qreal opacity) { Q_D(XYCurve); if (opacity != d->dropLineOpacity) exec(new XYCurveSetDropLineOpacityCmd(d, opacity, ki18n("%1: set drop line opacity"))); } // Symbols-Tab STD_SETTER_CMD_IMPL_F_S(XYCurve, SetSymbolsStyle, Symbol::Style, symbolsStyle, retransform) void XYCurve::setSymbolsStyle(Symbol::Style style) { Q_D(XYCurve); if (style != d->symbolsStyle) exec(new XYCurveSetSymbolsStyleCmd(d, style, ki18n("%1: set symbol style"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetSymbolsSize, qreal, symbolsSize, updateSymbols) void XYCurve::setSymbolsSize(qreal size) { Q_D(XYCurve); if (!qFuzzyCompare(1 + size, 1 + d->symbolsSize)) exec(new XYCurveSetSymbolsSizeCmd(d, size, ki18n("%1: set symbol size"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetSymbolsRotationAngle, qreal, symbolsRotationAngle, updateSymbols) void XYCurve::setSymbolsRotationAngle(qreal angle) { Q_D(XYCurve); if (!qFuzzyCompare(1 + angle, 1 + d->symbolsRotationAngle)) exec(new XYCurveSetSymbolsRotationAngleCmd(d, angle, ki18n("%1: rotate symbols"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetSymbolsBrush, QBrush, symbolsBrush, updatePixmap) void XYCurve::setSymbolsBrush(const QBrush &brush) { Q_D(XYCurve); if (brush != d->symbolsBrush) exec(new XYCurveSetSymbolsBrushCmd(d, brush, ki18n("%1: set symbol filling"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetSymbolsPen, QPen, symbolsPen, updateSymbols) void XYCurve::setSymbolsPen(const QPen &pen) { Q_D(XYCurve); if (pen != d->symbolsPen) exec(new XYCurveSetSymbolsPenCmd(d, pen, ki18n("%1: set symbol outline style"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetSymbolsOpacity, qreal, symbolsOpacity, updatePixmap) void XYCurve::setSymbolsOpacity(qreal opacity) { Q_D(XYCurve); if (opacity != d->symbolsOpacity) exec(new XYCurveSetSymbolsOpacityCmd(d, opacity, ki18n("%1: set symbols opacity"))); } //Values-Tab STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesType, XYCurve::ValuesType, valuesType, updateValues) void XYCurve::setValuesType(XYCurve::ValuesType type) { Q_D(XYCurve); if (type != d->valuesType) exec(new XYCurveSetValuesTypeCmd(d, type, ki18n("%1: set values type"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesColumn, const AbstractColumn*, valuesColumn, updateValues) void XYCurve::setValuesColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->valuesColumn) { exec(new XYCurveSetValuesColumnCmd(d, column, ki18n("%1: set values column"))); if (column) { connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(updateValues())); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::aspectAboutToBeRemoved); } } } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesPosition, XYCurve::ValuesPosition, valuesPosition, updateValues) void XYCurve::setValuesPosition(ValuesPosition position) { Q_D(XYCurve); if (position != d->valuesPosition) exec(new XYCurveSetValuesPositionCmd(d, position, ki18n("%1: set values position"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesDistance, qreal, valuesDistance, updateValues) void XYCurve::setValuesDistance(qreal distance) { Q_D(XYCurve); if (distance != d->valuesDistance) exec(new XYCurveSetValuesDistanceCmd(d, distance, ki18n("%1: set values distance"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesRotationAngle, qreal, valuesRotationAngle, updateValues) void XYCurve::setValuesRotationAngle(qreal angle) { Q_D(XYCurve); if (!qFuzzyCompare(1 + angle, 1 + d->valuesRotationAngle)) exec(new XYCurveSetValuesRotationAngleCmd(d, angle, ki18n("%1: rotate values"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesOpacity, qreal, valuesOpacity, updatePixmap) void XYCurve::setValuesOpacity(qreal opacity) { Q_D(XYCurve); if (opacity != d->valuesOpacity) exec(new XYCurveSetValuesOpacityCmd(d, opacity, ki18n("%1: set values opacity"))); } //TODO: Format, Precision STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesPrefix, QString, valuesPrefix, updateValues) void XYCurve::setValuesPrefix(const QString& prefix) { Q_D(XYCurve); if (prefix != d->valuesPrefix) exec(new XYCurveSetValuesPrefixCmd(d, prefix, ki18n("%1: set values prefix"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesSuffix, QString, valuesSuffix, updateValues) void XYCurve::setValuesSuffix(const QString& suffix) { Q_D(XYCurve); if (suffix != d->valuesSuffix) exec(new XYCurveSetValuesSuffixCmd(d, suffix, ki18n("%1: set values suffix"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesFont, QFont, valuesFont, updateValues) void XYCurve::setValuesFont(const QFont& font) { Q_D(XYCurve); if (font != d->valuesFont) exec(new XYCurveSetValuesFontCmd(d, font, ki18n("%1: set values font"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetValuesColor, QColor, valuesColor, updatePixmap) void XYCurve::setValuesColor(const QColor& color) { Q_D(XYCurve); if (color != d->valuesColor) exec(new XYCurveSetValuesColorCmd(d, color, ki18n("%1: set values color"))); } //Filling STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingPosition, XYCurve::FillingPosition, fillingPosition, updateFilling) void XYCurve::setFillingPosition(FillingPosition position) { Q_D(XYCurve); if (position != d->fillingPosition) exec(new XYCurveSetFillingPositionCmd(d, position, ki18n("%1: filling position changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingType, PlotArea::BackgroundType, fillingType, updatePixmap) void XYCurve::setFillingType(PlotArea::BackgroundType type) { Q_D(XYCurve); if (type != d->fillingType) exec(new XYCurveSetFillingTypeCmd(d, type, ki18n("%1: filling type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingColorStyle, PlotArea::BackgroundColorStyle, fillingColorStyle, updatePixmap) void XYCurve::setFillingColorStyle(PlotArea::BackgroundColorStyle style) { Q_D(XYCurve); if (style != d->fillingColorStyle) exec(new XYCurveSetFillingColorStyleCmd(d, style, ki18n("%1: filling color style changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingImageStyle, PlotArea::BackgroundImageStyle, fillingImageStyle, updatePixmap) void XYCurve::setFillingImageStyle(PlotArea::BackgroundImageStyle style) { Q_D(XYCurve); if (style != d->fillingImageStyle) exec(new XYCurveSetFillingImageStyleCmd(d, style, ki18n("%1: filling image style changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingBrushStyle, Qt::BrushStyle, fillingBrushStyle, updatePixmap) void XYCurve::setFillingBrushStyle(Qt::BrushStyle style) { Q_D(XYCurve); if (style != d->fillingBrushStyle) exec(new XYCurveSetFillingBrushStyleCmd(d, style, ki18n("%1: filling brush style changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingFirstColor, QColor, fillingFirstColor, updatePixmap) void XYCurve::setFillingFirstColor(const QColor& color) { Q_D(XYCurve); if (color != d->fillingFirstColor) exec(new XYCurveSetFillingFirstColorCmd(d, color, ki18n("%1: set filling first color"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingSecondColor, QColor, fillingSecondColor, updatePixmap) void XYCurve::setFillingSecondColor(const QColor& color) { Q_D(XYCurve); if (color != d->fillingSecondColor) exec(new XYCurveSetFillingSecondColorCmd(d, color, ki18n("%1: set filling second color"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingFileName, QString, fillingFileName, updatePixmap) void XYCurve::setFillingFileName(const QString& fileName) { Q_D(XYCurve); if (fileName != d->fillingFileName) exec(new XYCurveSetFillingFileNameCmd(d, fileName, ki18n("%1: set filling image"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetFillingOpacity, qreal, fillingOpacity, updatePixmap) void XYCurve::setFillingOpacity(qreal opacity) { Q_D(XYCurve); if (opacity != d->fillingOpacity) exec(new XYCurveSetFillingOpacityCmd(d, opacity, ki18n("%1: set filling opacity"))); } //Error bars STD_SETTER_CMD_IMPL_F_S(XYCurve, SetXErrorType, XYCurve::ErrorType, xErrorType, updateErrorBars) void XYCurve::setXErrorType(ErrorType type) { Q_D(XYCurve); if (type != d->xErrorType) exec(new XYCurveSetXErrorTypeCmd(d, type, ki18n("%1: x-error type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetXErrorPlusColumn, const AbstractColumn*, xErrorPlusColumn, updateErrorBars) void XYCurve::setXErrorPlusColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->xErrorPlusColumn) { exec(new XYCurveSetXErrorPlusColumnCmd(d, column, ki18n("%1: set x-error column"))); if (column) { connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(updateErrorBars())); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::xErrorPlusColumnAboutToBeRemoved); } } } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetXErrorMinusColumn, const AbstractColumn*, xErrorMinusColumn, updateErrorBars) void XYCurve::setXErrorMinusColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->xErrorMinusColumn) { exec(new XYCurveSetXErrorMinusColumnCmd(d, column, ki18n("%1: set x-error column"))); if (column) { connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(updateErrorBars())); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::xErrorMinusColumnAboutToBeRemoved); } } } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetYErrorType, XYCurve::ErrorType, yErrorType, updateErrorBars) void XYCurve::setYErrorType(ErrorType type) { Q_D(XYCurve); if (type != d->yErrorType) exec(new XYCurveSetYErrorTypeCmd(d, type, ki18n("%1: y-error type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetYErrorPlusColumn, const AbstractColumn*, yErrorPlusColumn, updateErrorBars) void XYCurve::setYErrorPlusColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->yErrorPlusColumn) { exec(new XYCurveSetYErrorPlusColumnCmd(d, column, ki18n("%1: set y-error column"))); if (column) { connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(updateErrorBars())); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::yErrorPlusColumnAboutToBeRemoved); } } } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetYErrorMinusColumn, const AbstractColumn*, yErrorMinusColumn, updateErrorBars) void XYCurve::setYErrorMinusColumn(const AbstractColumn* column) { Q_D(XYCurve); if (column != d->yErrorMinusColumn) { exec(new XYCurveSetYErrorMinusColumnCmd(d, column, ki18n("%1: set y-error column"))); if (column) { connect(column, SIGNAL(dataChanged(const AbstractColumn*)), this, SLOT(updateErrorBars())); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::yErrorMinusColumnAboutToBeRemoved); } } } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetErrorBarsCapSize, qreal, errorBarsCapSize, updateErrorBars) void XYCurve::setErrorBarsCapSize(qreal size) { Q_D(XYCurve); if (size != d->errorBarsCapSize) exec(new XYCurveSetErrorBarsCapSizeCmd(d, size, ki18n("%1: set error bar cap size"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetErrorBarsType, XYCurve::ErrorBarsType, errorBarsType, updateErrorBars) void XYCurve::setErrorBarsType(ErrorBarsType type) { Q_D(XYCurve); if (type != d->errorBarsType) exec(new XYCurveSetErrorBarsTypeCmd(d, type, ki18n("%1: error bar type changed"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetErrorBarsPen, QPen, errorBarsPen, recalcShapeAndBoundingRect) void XYCurve::setErrorBarsPen(const QPen& pen) { Q_D(XYCurve); if (pen != d->errorBarsPen) exec(new XYCurveSetErrorBarsPenCmd(d, pen, ki18n("%1: set error bar style"))); } STD_SETTER_CMD_IMPL_F_S(XYCurve, SetErrorBarsOpacity, qreal, errorBarsOpacity, updatePixmap) void XYCurve::setErrorBarsOpacity(qreal opacity) { Q_D(XYCurve); if (opacity != d->errorBarsOpacity) exec(new XYCurveSetErrorBarsOpacityCmd(d, opacity, ki18n("%1: set error bar opacity"))); } void XYCurve::suppressRetransform(bool b) { Q_D(XYCurve); d->suppressRetransform(b); } //############################################################################## //################################# SLOTS #################################### //############################################################################## void XYCurve::retransform() { Q_D(XYCurve); d->retransform(); } void XYCurve::recalcLogicalPoints() { Q_D(XYCurve); d->recalcLogicalPoints(); } void XYCurve::updateValues() { Q_D(XYCurve); d->updateValues(); } void XYCurve::updateErrorBars() { Q_D(XYCurve); d->updateErrorBars(); } //TODO void XYCurve::handleResize(double horizontalRatio, double verticalRatio, bool pageResize) { Q_UNUSED(pageResize); Q_D(const XYCurve); setSymbolsSize(d->symbolsSize * horizontalRatio); QPen pen = d->symbolsPen; pen.setWidthF(pen.widthF() * (horizontalRatio + verticalRatio) / 2.0); setSymbolsPen(pen); pen = d->linePen; pen.setWidthF(pen.widthF() * (horizontalRatio + verticalRatio) / 2.0); setLinePen(pen); //setValuesDistance(d->distance*); QFont font = d->valuesFont; font.setPointSizeF(font.pointSizeF()*horizontalRatio); setValuesFont(font); } void XYCurve::xColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->xColumn) { d->xColumn = nullptr; d->retransform(); } } void XYCurve::yColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->yColumn) { d->yColumn = nullptr; d->retransform(); } } void XYCurve::valuesColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->valuesColumn) { d->valuesColumn = nullptr; d->updateValues(); } } void XYCurve::xErrorPlusColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->xErrorPlusColumn) { d->xErrorPlusColumn = nullptr; d->updateErrorBars(); } } void XYCurve::xErrorMinusColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->xErrorMinusColumn) { d->xErrorMinusColumn = nullptr; d->updateErrorBars(); } } void XYCurve::yErrorPlusColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->yErrorPlusColumn) { d->yErrorPlusColumn = nullptr; d->updateErrorBars(); } } void XYCurve::yErrorMinusColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(XYCurve); if (aspect == d->yErrorMinusColumn) { d->yErrorMinusColumn = nullptr; d->updateErrorBars(); } } void XYCurve::xColumnNameChanged() { Q_D(XYCurve); setXColumnPath(d->xColumn->path()); } void XYCurve::yColumnNameChanged() { Q_D(XYCurve); setYColumnPath(d->yColumn->path()); } //############################################################################## //###### SLOTs for changes triggered via QActions in the context menu ######## //############################################################################## void XYCurve::visibilityChanged() { Q_D(const XYCurve); this->setVisible(!d->isVisible()); } void XYCurve::navigateTo() { project()->navigateTo(navigateToAction->data().toString()); } //############################################################################## //######################### Private implementation ############################# //############################################################################## XYCurvePrivate::XYCurvePrivate(XYCurve *owner) : q(owner) { setFlag(QGraphicsItem::ItemIsSelectable, true); setAcceptHoverEvents(false); } QString XYCurvePrivate::name() const { return q->name(); } QRectF XYCurvePrivate::boundingRect() const { return boundingRectangle; } /*! Returns the shape of the XYCurve as a QPainterPath in local coordinates */ QPainterPath XYCurvePrivate::shape() const { return curveShape; } void XYCurvePrivate::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) { if (q->activateCurve(event->pos())) { q->createContextMenu()->exec(event->screenPos()); return; } QGraphicsItem::contextMenuEvent(event); } bool XYCurvePrivate::swapVisible(bool on) { bool oldValue = isVisible(); setVisible(on); emit q->visibilityChanged(on); retransform(); return oldValue; } /*! called when the size of the plot or its data ranges (manual changes, zooming, etc.) were changed. recalculates the position of the scene points to be drawn. triggers the update of lines, drop lines, symbols etc. */ void XYCurvePrivate::retransform() { if (!isVisible()) return; DEBUG("\nXYCurvePrivate::retransform() name = " << name().toStdString() << ", m_suppressRetransform = " << m_suppressRetransform); DEBUG(" plot = " << plot); if (m_suppressRetransform || !plot) return; { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::retransform()"); #endif symbolPointsScene.clear(); if ( (nullptr == xColumn) || (nullptr == yColumn) ) { DEBUG(" xColumn or yColumn == NULL"); linePath = QPainterPath(); dropLinePath = QPainterPath(); symbolsPath = QPainterPath(); valuesPath = QPainterPath(); errorBarsPath = QPainterPath(); curveShape = QPainterPath(); lines.clear(); valuesPoints.clear(); valuesStrings.clear(); fillPolygons.clear(); recalcShapeAndBoundingRect(); return; } if (!plot->isPanningActive()) WAIT_CURSOR; //calculate the scene coordinates // This condition cannot be used, because symbolPointsLogical is also used in updateErrorBars(), updateDropLines() and in updateFilling() // TODO: check updateErrorBars() and updateDropLines() and if they aren't available don't calculate this part //if (symbolsStyle != Symbol::NoSymbols || valuesType != XYCurve::NoValues ) { { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::retransform(), map logical points to scene coordinates"); #endif if (!symbolPointsLogical.isEmpty()) { float widthDatarectInch = Worksheet::convertFromSceneUnits(plot->dataRect().width(), Worksheet::Inch); float heightDatarectInch = Worksheet::convertFromSceneUnits(plot->dataRect().height(), Worksheet::Inch); int countPixelX = ceil(widthDatarectInch*QApplication::desktop()->physicalDpiX()); int countPixelY = ceil(heightDatarectInch*QApplication::desktop()->physicalDpiY()); if (countPixelX <=0 || countPixelY <=0) { RESET_CURSOR; return; } double minLogicalDiffX = 1/(plot->dataRect().width()/countPixelX); double minLogicalDiffY = 1/(plot->dataRect().height()/countPixelY); QVector> scenePointsUsed; // size of the datarect in pixels scenePointsUsed.resize(countPixelX+1); for (int i=0; i< countPixelX+1; i++) scenePointsUsed[i].resize(countPixelY+1); int columnProperties = xColumn->properties(); int startIndex; int endIndex; if (columnProperties == AbstractColumn::Properties::MonotonicDecreasing || columnProperties == AbstractColumn::Properties::MonotonicIncreasing) { double xMin = cSystem->mapSceneToLogical(plot->dataRect().topLeft()).x(); double xMax = cSystem->mapSceneToLogical(plot->dataRect().bottomRight()).x(); startIndex = q->indexForX(xMin, symbolPointsLogical, static_cast(columnProperties)); endIndex = q->indexForX(xMax, symbolPointsLogical, static_cast(columnProperties)); if (startIndex > endIndex && startIndex >= 0 && endIndex >= 0) std::swap(startIndex, endIndex); if (startIndex < 0) startIndex = 0; if (endIndex < 0) endIndex = symbolPointsLogical.size()-1; } else { startIndex = 0; endIndex = symbolPointsLogical.size()-1; } visiblePoints = std::vector(symbolPointsLogical.count(), false); cSystem->mapLogicalToScene(startIndex, endIndex, symbolPointsLogical, symbolPointsScene, visiblePoints, scenePointsUsed, minLogicalDiffX, minLogicalDiffY); } } //} // (symbolsStyle != Symbol::NoSymbols || valuesType != XYCurve::NoValues ) m_suppressRecalc = true; updateLines(); updateDropLines(); updateSymbols(); updateValues(); m_suppressRecalc = false; updateErrorBars(); RESET_CURSOR; } } /*! * called if the x- or y-data was changed. * copies the valid data points from the x- and y-columns into the internal container */ void XYCurvePrivate::recalcLogicalPoints() { DEBUG("XYCurvePrivate::recalcLogicalPoints()"); PERFTRACE(name().toLatin1() + ", XYCurvePrivate::recalcLogicalPoints()"); symbolPointsLogical.clear(); connectedPointsLogical.clear(); validPointsIndicesLogical.clear(); visiblePoints.clear(); if (!xColumn || !yColumn) return; AbstractColumn::ColumnMode xColMode = xColumn->columnMode(); AbstractColumn::ColumnMode yColMode = yColumn->columnMode(); QPointF tempPoint; //take over only valid and non masked points. for (int row = 0; row < xColumn->rowCount(); row++) { if ( xColumn->isValid(row) && yColumn->isValid(row) && (!xColumn->isMasked(row)) && (!yColumn->isMasked(row)) ) { switch (xColMode) { case AbstractColumn::Numeric: case AbstractColumn::Integer: tempPoint.setX(xColumn->valueAt(row)); break; case AbstractColumn::Text: break; case AbstractColumn::DateTime: tempPoint.setX(xColumn->dateTimeAt(row).toMSecsSinceEpoch()); break; case AbstractColumn::Month: case AbstractColumn::Day: break; } switch (yColMode) { case AbstractColumn::Numeric: case AbstractColumn::Integer: tempPoint.setY(yColumn->valueAt(row)); break; case AbstractColumn::Text: break; case AbstractColumn::DateTime: tempPoint.setY(yColumn->dateTimeAt(row).toMSecsSinceEpoch()); break; case AbstractColumn::Month: case AbstractColumn::Day: break; } symbolPointsLogical.append(tempPoint); connectedPointsLogical.push_back(true); validPointsIndicesLogical.push_back(row); } else { if (!connectedPointsLogical.empty()) connectedPointsLogical[connectedPointsLogical.size()-1] = false; } } visiblePoints = std::vector(symbolPointsLogical.count(), false); } /*! * Adds a line, which connects two points, but only if the don't lie on the same xAxis pixel. * If they lie on the same x pixel, draw a vertical line between the minimum and maximum y value. So all points are included * This function is only valid for linear x Axis scale! * @param p0 first point * @param p1 second point * @param minY * @param maxY * @param overlap if at the previous call was an overlap between the previous two points * @param minLogicalDiffX logical difference between two pixels * @param pixelDiff x pixel distance between two points */ void XYCurvePrivate::addLine(QPointF p0, QPointF p1, double& minY, double& maxY, bool& overlap, double minLogicalDiffX, int& pixelDiff) { pixelDiff = (int)(p1.x() * minLogicalDiffX) - (int)(p0.x() * minLogicalDiffX); addLine(p0, p1, minY, maxY, overlap, pixelDiff); } /*! * Adds a line, which connects two points, but only if the don't lie on the same xAxis pixel. * If they lie on the same x pixel, draw a vertical line between the minimum and maximum y value. So all points are included * This function can be used for all axis scalings (log, sqrt, linear, ...). For the linear case use the above function, because it's optimized for the linear case * @param p0 first point * @param p1 second point * @param minY * @param maxY * @param overlap if at the previous call was an overlap between the previous two points * @param minLogicalDiffX logical difference between two pixels * @param pixelDiff x pixel distance between two points */ void XYCurvePrivate::addLine(QPointF p0, QPointF p1, double& minY, double& maxY, bool& overlap, int& pixelDiff, int pixelCount) { if (plot->xScale() == CartesianPlot::Scale::ScaleLinear) { // implemented for completeness only double minLogicalDiffX = 1/((plot->xMax()-plot->xMin())/pixelCount); addLine(p0, p1, minY, maxY, overlap, minLogicalDiffX, pixelDiff); } else { // for nonlinear scaling the pixel distance must be calculated for every point pair QPointF p0Scene = cSystem->mapLogicalToScene(p0, CartesianCoordinateSystem::MappingFlag::SuppressPageClipping); QPointF p1Scene = cSystem->mapLogicalToScene(p1, CartesianCoordinateSystem::MappingFlag::SuppressPageClipping); // if the point is not valid, don't create a line //if (std::isnan(p0Scene.x()) || std::isnan(p0Scene.y())) if ((p0Scene.x() == 0 && p0Scene.y() == 0) || (p1Scene.x() == 0 && p1Scene.y() == 0)) // no possibility to create line return; // using only the difference between the points is not sufficient, because p0 is updated always // indipendent if new line added or not int p0Pixel = (int)((p0Scene.x() - plot->dataRect().x()) / plot->dataRect().width() * pixelCount); int p1Pixel = (int)((p1Scene.x() - plot->dataRect().x()) / plot->dataRect().width() * pixelCount); pixelDiff = p1Pixel - p0Pixel; addLine(p0, p1, minY, maxY, overlap, pixelDiff); } } /*! * \brief XYCurvePrivate::addLine * This function is part of the other two addLine() functions to not have two times the same code * @param p0 first point * @param p1 second point * @param minY * @param maxY * @param overlap if at the previous call was an overlap between the previous two points * @param pixelDiff x pixel distance between two points */ void XYCurvePrivate::addLine(QPointF p0, QPointF p1, double& minY, double& maxY, bool& overlap, int& pixelDiff) { if (pixelDiff == 0) { if (overlap) { // second and so the x axis pixels are the same if (p1.y() > maxY) maxY = p1.y(); if (p1.y() < minY) minY = p1.y(); } else { // first time pixel are same if (p0.y() < p1.y()) { minY = p0.y(); maxY = p1.y(); } else { maxY = p0.y(); minY = p1.y(); } overlap = true; } } else { if (overlap) { // when previously overlap was true, draw the previous line overlap = false; // last point from previous pixel must be evaluated if (p0.y() > maxY) maxY = p0.y(); if (p0.y() < minY) minY = p0.y(); if (1) { //p1.x() >= plot->xMin() && p1.x() <= plot->xMax()) { // x inside scene if (minY == maxY) { lines.append(QLineF(p0, p1)); // line from previous point to actual point } else if (p0.y() == minY) { // draw vertical line lines.append(QLineF(p0.x(),maxY, p0.x(), minY)); if (p1.y() >= minY && p1.y() <= maxY && pixelDiff == 1) return; lines.append(QLineF(p0,p1)); } else if (p0.y() == maxY) { // draw vertical line lines.append(QLineF(p0.x(),maxY, p0.x(), minY)); if (p1.y() >= minY && p1.y() <= maxY && pixelDiff == 1) return; // draw line, only if there is a pixelDiff = 1 otherwise no line needed, because when drawing a new vertical line, this line is already included lines.append(QLineF(p0,p1)); } else { // last point nor min nor max lines.append(QLineF(p0.x(),maxY, p0.x(), minY)); if (p1.y() >= minY && p1.y() <= maxY && pixelDiff == 1) return; lines.append(QLineF(p0,p1)); } } else// x in scene DEBUG("addLine: not in scene"); } else// no overlap lines.append(QLineF(p0,p1)); } } /*! recalculates the painter path for the lines connecting the data points. Called each time when the type of this connection is changed. At the moment also the points which are outside of the scene are added. This algorithm can be improved by letting away all lines where both points are outside of the scene */ void XYCurvePrivate::updateLines() { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::updateLines()"); #endif linePath = QPainterPath(); lines.clear(); if (lineType == XYCurve::NoLine) { DEBUG(" nothing to do, since line type is XYCurve::NoLine"); updateFilling(); recalcShapeAndBoundingRect(); return; } unsigned int count = (unsigned int)symbolPointsLogical.count(); if (count <= 1) { DEBUG(" nothing to do, since no data points available"); recalcShapeAndBoundingRect(); return; } float widthDatarectInch = Worksheet::convertFromSceneUnits(plot->dataRect().width(), Worksheet::Inch); //float heightDatarectInch = Worksheet::convertFromSceneUnits(plot->dataRect().height(), Worksheet::Inch); // unsed int countPixelX = ceil(widthDatarectInch*QApplication::desktop()->physicalDpiX()); //int countPixelY = ceil(heightDatarectInch*QApplication::desktop()->physicalDpiY()); // unused // only valid for linear scale //double minLogicalDiffX = 1/((plot->xMax()-plot->xMin())/countPixelX); // unused //double minLogicalDiffY = 1/((plot->yMax()-plot->yMin())/countPixelY); // unused //calculate the lines connecting the data points { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::updateLines(), calculate the lines connecting the data points"); #endif QPointF tempPoint1, tempPoint2; // used as temporaryPoints to interpolate datapoints if the corresponding setting is set int startIndex, endIndex; bool overlap = false; double maxY, minY; // are initialized in add line() int pixelDiff; QPointF p0; QPointF p1; // find index for xMin and xMax to not loop throug all values AbstractColumn::Properties columnProperties = q->xColumn()->properties(); if (columnProperties == AbstractColumn::Properties::MonotonicDecreasing || columnProperties == AbstractColumn::Properties::MonotonicIncreasing) { double xMin = cSystem->mapSceneToLogical(plot->dataRect().topLeft()).x(); double xMax = cSystem->mapSceneToLogical(plot->dataRect().bottomRight()).x(); startIndex= q->indexForX(xMin, symbolPointsLogical, columnProperties); endIndex = q->indexForX(xMax, symbolPointsLogical, columnProperties); if (startIndex > endIndex) std::swap(startIndex, endIndex); startIndex--; // use one value before endIndex ++; if (startIndex < 0) startIndex = 0; if(endIndex < 0 || endIndex >= static_cast(count)) endIndex = static_cast(count)-1; count = static_cast(endIndex - startIndex +1); }else { startIndex = 0; endIndex = static_cast(count)-1; } if (columnProperties == AbstractColumn::Properties::Constant) { tempPoint1 = QPointF(plot->xMin(), plot->yMin()); tempPoint2 = QPointF(plot->xMin(), plot->yMax()); lines.append(QLineF(tempPoint1, tempPoint2)); } else { switch (lineType) { case XYCurve::NoLine: break; case XYCurve::Line: { for (int i = startIndex; i < endIndex; i++) { if (!lineSkipGaps && !connectedPointsLogical[i]) continue; p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if (lineIncreasingXOnly && (p1.x() < p0.x())) // when option set skip points continue; addLine(p0, p1, minY, maxY, overlap, pixelDiff, countPixelX); } // add last line if (overlap) { overlap = false; lines.append(QLineF(QPointF(p1.x(), minY), QPointF(p1.x(), maxY))); } break; } case XYCurve::StartHorizontal: { for (int i = startIndex; i < endIndex; i++) { if (!lineSkipGaps && !connectedPointsLogical[i]) continue; p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if (lineIncreasingXOnly && (p1.x() < p0.x())) continue; tempPoint1 = QPointF(p1.x(), p0.y()); addLine(p0, tempPoint1, minY, maxY, overlap, pixelDiff, countPixelX); addLine(tempPoint1, p1, minY, maxY, overlap, pixelDiff, countPixelX); } // add last line if (overlap) { overlap = false; lines.append(QLineF(QPointF(p1.x(), minY), QPointF(p1.x(), maxY))); } break; } case XYCurve::StartVertical: { for (int i = startIndex; i < endIndex; i++) { if (!lineSkipGaps && !connectedPointsLogical[i]) continue; p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if (lineIncreasingXOnly && (p1.x() < p0.x())) continue; tempPoint1 = QPointF(p0.x(), p1.y()); addLine(p0, tempPoint1, minY, maxY, overlap, pixelDiff, countPixelX); addLine(tempPoint1, p1, minY, maxY, overlap, pixelDiff, countPixelX); } // add last line if (overlap) { overlap = false; lines.append(QLineF(QPointF(p1.x(), minY), QPointF(p1.x(), maxY))); } break; } case XYCurve::MidpointHorizontal: { for (int i = startIndex; i < endIndex; i++) { if (!lineSkipGaps && !connectedPointsLogical[i]) continue; p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if (lineIncreasingXOnly && (p1.x() < p0.x())) continue; tempPoint1 = QPointF(p0.x() + (p1.x()-p0.x())/2, p0.y()); tempPoint2 = QPointF(p0.x() + (p1.x()-p0.x())/2, p1.y()); addLine(p0, tempPoint1, minY, maxY, overlap, pixelDiff, countPixelX); addLine(tempPoint1, tempPoint2, minY, maxY, overlap, pixelDiff, countPixelX); addLine(tempPoint2, p1, minY, maxY, overlap, pixelDiff, countPixelX); } // add last line if (overlap) { overlap = false; lines.append(QLineF(QPointF(p1.x(), minY), QPointF(p1.x(), maxY))); } break; } case XYCurve::MidpointVertical: { for (int i = startIndex; i < endIndex; i++) { if (!lineSkipGaps && !connectedPointsLogical[i]) continue; p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if (lineIncreasingXOnly && (p1.x() < p0.x())) continue; tempPoint1 = QPointF(p0.x(), p0.y() + (p1.y()-p0.y())/2); tempPoint2 = QPointF(p1.x(), p0.y() + (p1.y()-p0.y())/2); addLine(p0, tempPoint1, minY, maxY, overlap, pixelDiff, countPixelX); addLine(tempPoint1, tempPoint2, minY, maxY, overlap, pixelDiff, countPixelX); addLine(tempPoint2, p1, minY, maxY, overlap, pixelDiff, countPixelX); } // add last line if (overlap) { overlap = false; lines.append(QLineF(QPointF(p1.x(), minY), QPointF(p1.x(), maxY))); } break; } case XYCurve::Segments2: { int skip = 0; for (int i = startIndex; i < endIndex; i++) { p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if (skip != 1) { if ( (!lineSkipGaps && !connectedPointsLogical[i]) || (lineIncreasingXOnly && (p1.x() < p0.x())) ) { skip = 0; continue; } addLine(p0, p1, minY, maxY, overlap, pixelDiff, countPixelX); skip++; } else { skip = 0; if (overlap) { overlap = false; lines.append(QLineF(QPointF(p0.x(), minY), QPointF(p0.x(), maxY))); } } } // add last line if (overlap) { overlap = false; lines.append(QLineF(symbolPointsLogical[endIndex-1], symbolPointsLogical[endIndex])); } break; } case XYCurve::Segments3: { int skip = 0; for (int i = startIndex; i < endIndex; i++) { if (skip != 2) { p0 = symbolPointsLogical[i]; p1 = symbolPointsLogical[i+1]; if ( (!lineSkipGaps && !connectedPointsLogical[i]) || (lineIncreasingXOnly && (p1.x() < p0.x())) ) { skip = 0; continue; } addLine(p0, p1, minY, maxY, overlap, pixelDiff, countPixelX); skip++; } else { skip = 0; if (overlap) { overlap = false; lines.append(QLineF(QPointF(p0.x(), minY), QPointF(p0.x(), maxY))); } } } // add last line if (overlap) { overlap = false; lines.append(QLineF(symbolPointsLogical[endIndex-1], symbolPointsLogical[endIndex])); } break; } case XYCurve::SplineCubicNatural: case XYCurve::SplineCubicPeriodic: case XYCurve::SplineAkimaNatural: case XYCurve::SplineAkimaPeriodic: { gsl_interp_accel *acc = gsl_interp_accel_alloc(); gsl_spline *spline = nullptr; double* x = new double[count]; double* y = new double[count]; for (unsigned int i = 0; i < count; i++) { // TODO: interpolating only between the visible points? x[i] = symbolPointsLogical[i+startIndex].x(); y[i] = symbolPointsLogical[i+startIndex].y(); } gsl_set_error_handler_off(); if (lineType == XYCurve::SplineCubicNatural) spline = gsl_spline_alloc(gsl_interp_cspline, count); else if (lineType == XYCurve::SplineCubicPeriodic) spline = gsl_spline_alloc(gsl_interp_cspline_periodic, count); else if (lineType == XYCurve::SplineAkimaNatural) spline = gsl_spline_alloc(gsl_interp_akima, count); else if (lineType == XYCurve::SplineAkimaPeriodic) spline = gsl_spline_alloc(gsl_interp_akima_periodic, count); if (!spline) { QString msg; if ( (lineType == XYCurve::SplineAkimaNatural || lineType == XYCurve::SplineAkimaPeriodic) && count < 5) msg = i18n("Error: Akima spline interpolation requires a minimum of 5 points."); else msg = i18n("Error: Could not initialize the spline function."); emit q->info(msg); recalcShapeAndBoundingRect(); delete[] x; delete[] y; gsl_interp_accel_free (acc); return; } int status = gsl_spline_init (spline, x, y, count); if (status) { //TODO: check in gsl/interp.c when GSL_EINVAL is thrown QString gslError; if (status == GSL_EINVAL) gslError = i18n("x values must be monotonically increasing."); else gslError = gslErrorToString(status); emit q->info( i18n("Error: %1", gslError) ); recalcShapeAndBoundingRect(); delete[] x; delete[] y; gsl_spline_free (spline); gsl_interp_accel_free (acc); return; } //create interpolating points std::vector xinterp, yinterp; for (unsigned int i = 0; i < count - 1; i++) { const double x1 = x[i]; const double x2 = x[i+1]; double xi, yi; const double step = fabs(x2 - x1)/(lineInterpolationPointsCount + 1); for (int i=0; i < (lineInterpolationPointsCount + 1); i++) { xi = x1+i*step; yi = gsl_spline_eval(spline, xi, acc); xinterp.push_back(xi); yinterp.push_back(yi); } } if (!xinterp.empty()) { for (unsigned int i = 0; i < xinterp.size() - 1; i++) { p0 = QPointF(xinterp[i], yinterp[i]); p1 = QPointF(xinterp[i+1], yinterp[i+1]); addLine(p0, p1, minY, maxY, overlap, pixelDiff, countPixelX); } addLine(QPointF(xinterp[xinterp.size()-1], yinterp[yinterp.size()-1]), QPointF(x[count-1], y[count-1]), minY, maxY, overlap, pixelDiff, countPixelX); // add last line if (overlap) { overlap = false; lines.append(QLineF(QPointF(xinterp[xinterp.size()-1], yinterp[yinterp.size()-1]), QPointF(x[count-1], y[count-1]))); } } delete[] x; delete[] y; gsl_spline_free (spline); gsl_interp_accel_free (acc); break; } } } } //map the lines to scene coordinates { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::updateLines(), map lines to scene coordinates"); #endif lines = cSystem->mapLogicalToScene(lines); } { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::updateLines(), calculate new line path"); #endif //new line path for (const auto& line : lines) { linePath.moveTo(line.p1()); linePath.lineTo(line.p2()); } } updateFilling(); recalcShapeAndBoundingRect(); } /*! recalculates the painter path for the drop lines. Called each time when the type of the drop lines is changed. */ void XYCurvePrivate::updateDropLines() { dropLinePath = QPainterPath(); if (dropLineType == XYCurve::NoDropLine) { recalcShapeAndBoundingRect(); return; } //calculate drop lines QVector lines; float xMin = 0; float yMin = 0; xMin = plot->xMin(); yMin = plot->yMin(); switch (dropLineType) { case XYCurve::NoDropLine: break; case XYCurve::DropLineX: for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); lines.append(QLineF(point, QPointF(point.x(), yMin))); } break; case XYCurve::DropLineY: for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); lines.append(QLineF(point, QPointF(xMin, point.y()))); } break; case XYCurve::DropLineXY: for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); lines.append(QLineF(point, QPointF(point.x(), yMin))); lines.append(QLineF(point, QPointF(xMin, point.y()))); } break; case XYCurve::DropLineXZeroBaseline: for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); lines.append(QLineF(point, QPointF(point.x(), 0))); } break; case XYCurve::DropLineXMinBaseline: for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); lines.append( QLineF(point, QPointF(point.x(), dynamic_cast(yColumn)->minimum())) ); } break; case XYCurve::DropLineXMaxBaseline: for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); lines.append( QLineF(point, QPointF(point.x(), dynamic_cast(yColumn)->maximum())) ); } break; } //map the drop lines to scene coordinates lines = cSystem->mapLogicalToScene(lines); //new painter path for the drop lines for (const auto& line : lines) { dropLinePath.moveTo(line.p1()); dropLinePath.lineTo(line.p2()); } recalcShapeAndBoundingRect(); } void XYCurvePrivate::updateSymbols() { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::updateSymbols()"); #endif symbolsPath = QPainterPath(); if (symbolsStyle != Symbol::NoSymbols) { QPainterPath path = Symbol::pathFromStyle(symbolsStyle); QTransform trafo; trafo.scale(symbolsSize, symbolsSize); path = trafo.map(path); trafo.reset(); if (symbolsRotationAngle != 0) { trafo.rotate(symbolsRotationAngle); path = trafo.map(path); } for (const auto& point : symbolPointsScene) { trafo.reset(); trafo.translate(point.x(), point.y()); symbolsPath.addPath(trafo.map(path)); } } recalcShapeAndBoundingRect(); } /*! recreates the value strings to be shown and recalculates their draw position. */ void XYCurvePrivate::updateValues() { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::updateValues()"); #endif valuesPath = QPainterPath(); valuesPoints.clear(); valuesStrings.clear(); if (valuesType == XYCurve::NoValues) { recalcShapeAndBoundingRect(); return; } //determine the value string for all points that are currently visible in the plot switch (valuesType) { case XYCurve::NoValues: case XYCurve::ValuesX: { for (int i = 0; i < symbolPointsScene.size(); ++i) { if (!visiblePoints[i]) continue; valuesStrings << valuesPrefix + QString::number(cSystem->mapSceneToLogical(symbolPointsScene[i]).x()) + valuesSuffix; } break; } case XYCurve::ValuesY: { for (int i = 0; i < symbolPointsScene.size(); ++i) { if (!visiblePoints[i]) continue; valuesStrings << valuesPrefix + QString::number(cSystem->mapSceneToLogical(symbolPointsScene[i]).y()) + valuesSuffix; } break; } case XYCurve::ValuesXY: { for (int i = 0; i < symbolPointsScene.size(); ++i) { if (!visiblePoints[i]) continue; QPointF logicalValue = cSystem->mapSceneToLogical(symbolPointsScene[i]); valuesStrings << valuesPrefix + QString::number(logicalValue.x()) + ',' + QString::number(logicalValue.y()) + valuesSuffix; } break; } case XYCurve::ValuesXYBracketed: { for (int i = 0; i < symbolPointsScene.size(); ++i) { if (!visiblePoints[i]) continue; QPointF logicalValue = cSystem->mapSceneToLogical(symbolPointsScene[i]); valuesStrings << valuesPrefix + '(' + QString::number(logicalValue.x()) + ',' + QString::number(logicalValue.y()) +')' + valuesSuffix; } break; } case XYCurve::ValuesCustomColumn: { if (!valuesColumn) { recalcShapeAndBoundingRect(); return; } int endRow; if (symbolPointsLogical.size()>valuesColumn->rowCount()) endRow = valuesColumn->rowCount(); else endRow = symbolPointsLogical.size(); AbstractColumn::ColumnMode xColMode = valuesColumn->columnMode(); for (int i = 0; i < endRow; ++i) { if (!visiblePoints[i]) continue; if ( !valuesColumn->isValid(i) || valuesColumn->isMasked(i) ) continue; switch (xColMode) { case AbstractColumn::Numeric: case AbstractColumn::Integer: valuesStrings << valuesPrefix + QString::number(valuesColumn->valueAt(i)) + valuesSuffix; break; case AbstractColumn::Text: valuesStrings << valuesPrefix + valuesColumn->textAt(i) + valuesSuffix; case AbstractColumn::DateTime: case AbstractColumn::Month: case AbstractColumn::Day: //TODO break; } } } } //Calculate the coordinates where to paint the value strings. //The coordinates depend on the actual size of the string. QPointF tempPoint; QFontMetrics fm(valuesFont); qreal w; qreal h = fm.ascent(); for (int i = 0; i < valuesStrings.size(); i++) { w = fm.boundingRect(valuesStrings.at(i)).width(); switch (valuesPosition) { case XYCurve::ValuesAbove: tempPoint.setX( symbolPointsScene.at(i).x() - w/2); tempPoint.setY( symbolPointsScene.at(i).y() - valuesDistance ); break; case XYCurve::ValuesUnder: tempPoint.setX( symbolPointsScene.at(i).x() -w/2 ); tempPoint.setY( symbolPointsScene.at(i).y() + valuesDistance + h/2); break; case XYCurve::ValuesLeft: tempPoint.setX( symbolPointsScene.at(i).x() - valuesDistance - w - 1 ); tempPoint.setY( symbolPointsScene.at(i).y()); break; case XYCurve::ValuesRight: tempPoint.setX( symbolPointsScene.at(i).x() + valuesDistance - 1 ); tempPoint.setY( symbolPointsScene.at(i).y() ); break; } valuesPoints.append(tempPoint); } QTransform trafo; QPainterPath path; for (int i = 0; i < valuesPoints.size(); i++) { path = QPainterPath(); path.addText( QPoint(0,0), valuesFont, valuesStrings.at(i) ); trafo.reset(); trafo.translate( valuesPoints.at(i).x(), valuesPoints.at(i).y() ); if (valuesRotationAngle != 0) trafo.rotate( -valuesRotationAngle ); valuesPath.addPath(trafo.map(path)); } recalcShapeAndBoundingRect(); } void XYCurvePrivate::updateFilling() { if (m_suppressRetransform) return; fillPolygons.clear(); //don't try to calculate the filling polygons if // - no filling was enabled // - the nubmer of visible points on the scene is too high // - no scene points available, everything outside of the plot region or no scene points calculated yet if (fillingPosition == XYCurve::NoFilling || symbolPointsScene.size()>1000 || symbolPointsScene.isEmpty()) { recalcShapeAndBoundingRect(); return; } QVector fillLines; //if there're no interpolation lines available (XYCurve::NoLine selected), create line-interpolation, //use already available lines otherwise. if (!lines.isEmpty()) fillLines = lines; else { for (int i = 0; i < symbolPointsLogical.count()-1; i++) { if (!lineSkipGaps && !connectedPointsLogical[i]) continue; fillLines.append(QLineF(symbolPointsLogical.at(i), symbolPointsLogical.at(i+1))); } //no lines available (no points), nothing to do if (fillLines.isEmpty()) return; fillLines = cSystem->mapLogicalToScene(fillLines); //no lines available (no points) after mapping, nothing to do if (fillLines.isEmpty()) return; } //create polygon(s): //1. Depending on the current zoom-level, only a subset of the curve may be visible in the plot //and more of the filling area should be shown than the area defined by the start and end points of the currently visible points. //We check first whether the curve crosses the boundaries of the plot and determine new start and end points and put them to the boundaries. //2. Furthermore, depending on the current filling type we determine the end point (x- or y-coordinate) where all polygons are closed at the end. QPolygonF pol; QPointF start = fillLines.at(0).p1(); //starting point of the current polygon, initialize with the first visible point QPointF end = fillLines.at(fillLines.size()-1).p2(); //end point of the current polygon, initialize with the last visible point const QPointF& first = symbolPointsLogical.at(0); //first point of the curve, may not be visible currently const QPointF& last = symbolPointsLogical.at(symbolPointsLogical.size()-1);//last point of the curve, may not be visible currently QPointF edge; float xEnd = 0, yEnd = 0; if (fillingPosition == XYCurve::FillingAbove) { edge = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMin())); //start point if (AbstractCoordinateSystem::essentiallyEqual(start.y(), edge.y())) { if (first.x() < plot->xMin()) start = edge; else if (first.x() > plot->xMax()) start = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMin())); else start = cSystem->mapLogicalToScene(QPointF(first.x(), plot->yMin())); } //end point if (AbstractCoordinateSystem::essentiallyEqual(end.y(), edge.y())) { if (last.x() < plot->xMin()) end = edge; else if (last.x() > plot->xMax()) end = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMin())); else end = cSystem->mapLogicalToScene(QPointF(last.x(), plot->yMin())); } //coordinate at which to close all polygons yEnd = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMax())).y(); } else if (fillingPosition == XYCurve::FillingBelow) { edge = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMax())); //start point if (AbstractCoordinateSystem::essentiallyEqual(start.y(), edge.y())) { if (first.x() < plot->xMin()) start = edge; else if (first.x() > plot->xMax()) start = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMax())); else start = cSystem->mapLogicalToScene(QPointF(first.x(), plot->yMax())); } //end point if (AbstractCoordinateSystem::essentiallyEqual(end.y(), edge.y())) { if (last.x() < plot->xMin()) end = edge; else if (last.x() > plot->xMax()) end = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMax())); else end = cSystem->mapLogicalToScene(QPointF(last.x(), plot->yMax())); } //coordinate at which to close all polygons yEnd = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMin())).y(); } else if (fillingPosition == XYCurve::FillingZeroBaseline) { edge = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMax())); //start point if (AbstractCoordinateSystem::essentiallyEqual(start.y(), edge.y())) { if (plot->yMax() > 0) { if (first.x() < plot->xMin()) start = edge; else if (first.x() > plot->xMax()) start = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMax())); else start = cSystem->mapLogicalToScene(QPointF(first.x(), plot->yMax())); } else { if (first.x() < plot->xMin()) start = edge; else if (first.x() > plot->xMax()) start = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMin())); else start = cSystem->mapLogicalToScene(QPointF(first.x(), plot->yMin())); } } //end point if (AbstractCoordinateSystem::essentiallyEqual(end.y(), edge.y())) { if (plot->yMax() > 0) { if (last.x() < plot->xMin()) end = edge; else if (last.x() > plot->xMax()) end = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMax())); else end = cSystem->mapLogicalToScene(QPointF(last.x(), plot->yMax())); } else { if (last.x() < plot->xMin()) end = edge; else if (last.x() > plot->xMax()) end = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMin())); else end = cSystem->mapLogicalToScene(QPointF(last.x(), plot->yMin())); } } yEnd = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMin()>0 ? plot->yMin() : 0)).y(); } else if (fillingPosition == XYCurve::FillingLeft) { edge = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMin())); //start point if (AbstractCoordinateSystem::essentiallyEqual(start.x(), edge.x())) { if (first.y() < plot->yMin()) start = edge; else if (first.y() > plot->yMax()) start = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMax())); else start = cSystem->mapLogicalToScene(QPointF(plot->xMax(), first.y())); } //end point if (AbstractCoordinateSystem::essentiallyEqual(end.x(), edge.x())) { if (last.y() < plot->yMin()) end = edge; else if (last.y() > plot->yMax()) end = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMax())); else end = cSystem->mapLogicalToScene(QPointF(plot->xMax(), last.y())); } //coordinate at which to close all polygons xEnd = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMin())).x(); } else { //FillingRight edge = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMin())); //start point if (AbstractCoordinateSystem::essentiallyEqual(start.x(), edge.x())) { if (first.y() < plot->yMin()) start = edge; else if (first.y() > plot->yMax()) start = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMax())); else start = cSystem->mapLogicalToScene(QPointF(plot->xMin(), first.y())); } //end point if (AbstractCoordinateSystem::essentiallyEqual(end.x(), edge.x())) { if (last.y() < plot->yMin()) end = edge; else if (last.y() > plot->yMax()) end = cSystem->mapLogicalToScene(QPointF(plot->xMin(), plot->yMax())); else end = cSystem->mapLogicalToScene(QPointF(plot->xMin(), last.y())); } //coordinate at which to close all polygons xEnd = cSystem->mapLogicalToScene(QPointF(plot->xMax(), plot->yMin())).x(); } if (start != fillLines.at(0).p1()) pol << start; QPointF p1, p2; for (int i = 0; i < fillLines.size(); ++i) { const QLineF& line = fillLines.at(i); p1 = line.p1(); p2 = line.p2(); if (i != 0 && p1 != fillLines.at(i-1).p2()) { //the first point of the current line is not equal to the last point of the previous line //->check whether we have a break in between. const bool gap = false; //TODO if (!gap) { //-> we have no break in the curve -> connect the points by a horizontal/vertical line pol << fillLines.at(i-1).p2() << p1; } else { //-> we have a break in the curve -> close the polygon, add it to the polygon list and start a new polygon if (fillingPosition == XYCurve::FillingAbove || fillingPosition == XYCurve::FillingBelow || fillingPosition == XYCurve::FillingZeroBaseline) { pol << QPointF(fillLines.at(i-1).p2().x(), yEnd); pol << QPointF(start.x(), yEnd); } else { pol << QPointF(xEnd, fillLines.at(i-1).p2().y()); pol << QPointF(xEnd, start.y()); } fillPolygons << pol; pol.clear(); start = p1; } } pol << p1 << p2; } if (p2 != end) pol << end; //close the last polygon if (fillingPosition == XYCurve::FillingAbove || fillingPosition == XYCurve::FillingBelow || fillingPosition == XYCurve::FillingZeroBaseline) { pol << QPointF(end.x(), yEnd); pol << QPointF(start.x(), yEnd); } else { pol << QPointF(xEnd, end.y()); pol << QPointF(xEnd, start.y()); } fillPolygons << pol; recalcShapeAndBoundingRect(); } /*! * calculates log2(x)+1 for an integer value. * Used in y(double x) to calculate the maximum steps * source: https://stackoverflow.com/questions/11376288/fast-computing-of-log2-for-64-bit-integers * source: http://graphics.stanford.edu/~seander/bithacks.html#IntegerLogLookup * @param value * @return returns calculated value */ // TODO: testing if it is faster than calculating log2. int XYCurve::calculateMaxSteps (unsigned int value) { const signed char LogTable256[256] = { -1,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 }; unsigned int r; // r will be lg(v) unsigned int t, tt; // temporaries if ((tt = value >> 16)) r = (t = tt >> 8) ? 24 + LogTable256[t] : 16 + LogTable256[tt]; else r = (t = value >> 8) ? 8 + LogTable256[t] : LogTable256[value]; return r+1; } /*! * Find y value which corresponds to a @p x . @p valueFound indicates, if value was found. * When monotonic increasing or decreasing a different algorithm will be used, which needs less steps (mean) (log_2(rowCount)) to find the value. * @param x * @param valueFound * @return */ double XYCurve::y(double x, bool &valueFound) const { if (!yColumn()) { valueFound = false; return NAN; } AbstractColumn::ColumnMode yColumnMode = yColumn()->columnMode(); int index = indexForX(x); if (index < 0) { valueFound = false; return NAN; } valueFound = true; if (yColumnMode == AbstractColumn::ColumnMode::Numeric || yColumnMode == AbstractColumn::ColumnMode::Integer) { return yColumn()->valueAt(index); } else { valueFound = false; return NAN; } } /*! * Find y DateTime which corresponds to a @p x . @p valueFound indicates, if value was found. * When monotonic increasing or decreasing a different algorithm will be used, which needs less steps (mean) (log_2(rowCount)) to find the value. * @param x * @param valueFound * @return Return found value */ QDateTime XYCurve::yDateTime(double x, bool &valueFound) const { AbstractColumn::ColumnMode yColumnMode = yColumn()->columnMode(); int index = indexForX(x); if (index < 0) { valueFound = false; return QDateTime(); } valueFound = true; if (yColumnMode == AbstractColumn::ColumnMode::Day || yColumnMode == AbstractColumn::ColumnMode::Month || yColumnMode == AbstractColumn::ColumnMode::DateTime) return yColumn()->dateTimeAt(index); valueFound = false; return QDateTime(); } /*! * Find index which corresponds to a @p x . * When monotonic increasing or decreasing a different algorithm will be used, which needs less steps (mean) (log_2(rowCount)) to find the value. * @param x * @return -1 if index not found, otherwise the index */ int XYCurve::indexForX(double x) const { int rowCount = xColumn()->rowCount(); double prevValue = 0; qint64 prevValueDateTime = 0; AbstractColumn::ColumnMode xColumnMode = xColumn()->columnMode(); int properties = xColumn()->properties(); if (properties == AbstractColumn::Properties::MonotonicIncreasing || properties == AbstractColumn::Properties::MonotonicDecreasing) { // bisects the index every time, so it is possible to find the value in log_2(rowCount) steps bool increase = (properties != AbstractColumn::Properties::MonotonicDecreasing); int lowerIndex = 0; int higherIndex = rowCount - 1; unsigned int maxSteps = calculateMaxSteps(static_cast(rowCount))+1; if ((xColumnMode == AbstractColumn::ColumnMode::Numeric || xColumnMode == AbstractColumn::ColumnMode::Integer)) { for (unsigned int i = 0; i < maxSteps; i++) { // so no log_2(rowCount) needed int index = lowerIndex + round(static_cast(higherIndex - lowerIndex)/2); double value = xColumn()->valueAt(index); if (higherIndex - lowerIndex < 2) { if (qAbs(xColumn()->valueAt(lowerIndex) - x) < qAbs(xColumn()->valueAt(higherIndex) - x)) index = lowerIndex; else index = higherIndex; return index; } if (value >= x && increase) higherIndex = index; else if (value >= x && !increase) lowerIndex = index; else if (value < x && increase) lowerIndex = index; else if (value < x && !increase) higherIndex = index; } } else if ((xColumnMode == AbstractColumn::ColumnMode::DateTime || xColumnMode == AbstractColumn::ColumnMode::Month || xColumnMode == AbstractColumn::ColumnMode::Day)) { qint64 xInt64 = static_cast(x); for (unsigned int i = 0; i < maxSteps; i++) { // so no log_2(rowCount) needed int index = lowerIndex + round(static_cast(higherIndex - lowerIndex)/2); qint64 value = xColumn()->dateTimeAt(index).toMSecsSinceEpoch(); if (higherIndex - lowerIndex < 2) { if (abs(xColumn()->dateTimeAt(lowerIndex).toMSecsSinceEpoch() - xInt64) < abs(xColumn()->dateTimeAt(higherIndex).toMSecsSinceEpoch() - xInt64)) index = lowerIndex; else index = higherIndex; return index; } if (value > xInt64 && increase) higherIndex = index; else if (value > xInt64 && !increase) lowerIndex = index; else if (value < xInt64 && increase) lowerIndex = index; else if (value < xInt64 && !increase) higherIndex = index; } } } else if (properties == AbstractColumn::Properties::Constant) { if (rowCount > 0) return 0; else return -1; } else { // naiv way int index = 0; if ((xColumnMode == AbstractColumn::ColumnMode::Numeric || xColumnMode == AbstractColumn::ColumnMode::Integer)) { for (int row = 0; row < rowCount; row++) { if (xColumn()->isValid(row)) { if (row == 0) prevValue = xColumn()->valueAt(row); double value = xColumn()->valueAt(row); if (qAbs(value - x) <= qAbs(prevValue - x)) { // <= prevents also that row - 1 become < 0 prevValue = value; index = row; } } } return index; } else if ((xColumnMode == AbstractColumn::ColumnMode::DateTime || xColumnMode == AbstractColumn::ColumnMode::Month || xColumnMode == AbstractColumn::ColumnMode::Day)) { qint64 xInt64 = static_cast(x); int index = 0; for (int row = 0; row < rowCount; row++) { if (xColumn()->isValid(row)) { if (row == 0) prevValueDateTime = xColumn()->dateTimeAt(row).toMSecsSinceEpoch(); qint64 value = xColumn()->dateTimeAt(row).toMSecsSinceEpoch(); if (abs(value - xInt64) <= abs(prevValueDateTime - xInt64)) { // "<=" prevents also that row - 1 become < 0 prevValueDateTime = value; index = row; } } } return index; } } return -1; } /*! * Find index which corresponds to a @p x . In a vector of values * When monotonic increasing or decreasing a different algorithm will be used, which needs less steps (mean) (log_2(rowCount)) to find the value. * @param x * @return -1 if index not found, otherwise the index */ int XYCurve::indexForX(double x, QVector& column, AbstractColumn::Properties properties) const { int rowCount = column.count(); if (rowCount == 0) return -1; double prevValue = 0; //qint64 prevValueDateTime = 0; if (properties == AbstractColumn::Properties::MonotonicIncreasing || properties == AbstractColumn::Properties::MonotonicDecreasing) { // bisects the index every time, so it is possible to find the value in log_2(rowCount) steps bool increase = true; if(properties == AbstractColumn::Properties::MonotonicDecreasing) increase = false; int lowerIndex = 0; int higherIndex = rowCount-1; unsigned int maxSteps = calculateMaxSteps(static_cast(rowCount))+1; for (unsigned int i = 0; i < maxSteps; i++) { // so no log_2(rowCount) needed int index = lowerIndex + round(static_cast(higherIndex - lowerIndex)/2); double value = column[index]; if (higherIndex - lowerIndex < 2) { if (qAbs(column[lowerIndex] - x) < qAbs(column[higherIndex] - x)) index = lowerIndex; else index = higherIndex; return index; } if (value >= x && increase) higherIndex = index; else if (value >= x && !increase) lowerIndex = index; else if (value < x && increase) lowerIndex = index; else if (value < x && !increase) higherIndex = index; } } else if (properties == AbstractColumn::Properties::Constant) { return 0; } else { // AbstractColumn::Properties::No // naiv way int index = 0; prevValue = column[0]; for (int row = 0; row < rowCount; row++) { double value = column[row]; if (qAbs(value - x) <= qAbs(prevValue - x)) { // "<=" prevents also that row - 1 become < 0 prevValue = value; index = row; } } return index; } return -1; } /*! * Find index which corresponds to a @p x . In a vector of values * When monotonic increasing or decreasing a different algorithm will be used, which needs less steps (mean) (log_2(rowCount)) to find the value. * @param x * @return -1 if index not found, otherwise the index */ int XYCurve::indexForX(const double x, const QVector& points, AbstractColumn::Properties properties) const { int rowCount = points.count(); if (rowCount == 0) return -1; double prevValue = 0; //qint64 prevValueDateTime = 0; if (properties == AbstractColumn::Properties::MonotonicIncreasing || properties == AbstractColumn::Properties::MonotonicDecreasing) { // bisects the index every time, so it is possible to find the value in log_2(rowCount) steps bool increase = true; if(properties == AbstractColumn::Properties::MonotonicDecreasing) increase = false; int lowerIndex = 0; int higherIndex = rowCount - 1; unsigned int maxSteps = calculateMaxSteps(static_cast(rowCount))+1; for (unsigned int i = 0; i < maxSteps; i++) { // so no log_2(rowCount) needed int index = lowerIndex + round(static_cast(higherIndex - lowerIndex)/2); double value = points[index].x(); if (higherIndex - lowerIndex < 2) { if (qAbs(points[lowerIndex].x() - x) < qAbs(points[higherIndex].x() - x)) index = lowerIndex; else index = higherIndex; return index; } if (value >= x && increase) higherIndex = index; else if (value >= x && !increase) lowerIndex = index; else if (value < x && increase) lowerIndex = index; else if (value < x && !increase) higherIndex = index; } } else if (properties == AbstractColumn::Properties::Constant) { return 0; } else { // AbstractColumn::Properties::No // naiv way prevValue = points[0].x(); int index = 0; for (int row = 0; row < rowCount; row++) { double value = points[row].x(); if (qAbs(value - x) <= qAbs(prevValue - x)) { // "<=" prevents also that row - 1 become < 0 prevValue = value; index = row; } } return index; } return -1; } /*! * Find index which corresponds to a @p x . In a vector of values * When monotonic increasing or decreasing a different algorithm will be used, which needs less steps (mean) (log_2(rowCount)) to find the value. * @param x * @return -1 if index not found, otherwise the index */ int XYCurve::indexForX(double x, QVector& lines, AbstractColumn::Properties properties) const { int rowCount = lines.count(); if (rowCount == 0) return -1; // use only p1 to find index double prevValue = 0; //qint64 prevValueDateTime = 0; if (properties == AbstractColumn::Properties::MonotonicIncreasing || properties == AbstractColumn::Properties::MonotonicDecreasing) { // bisects the index every time, so it is possible to find the value in log_2(rowCount) steps bool increase = true; if(properties == AbstractColumn::Properties::MonotonicDecreasing) increase = false; int lowerIndex = 0; int higherIndex = rowCount-1; unsigned int maxSteps = calculateMaxSteps(static_cast(rowCount))+1; for (unsigned int i = 0; i < maxSteps; i++) { // so no log_2(rowCount) needed int index = lowerIndex + round(static_cast(higherIndex - lowerIndex)/2); double value = lines[index].p1().x(); if (higherIndex - lowerIndex < 2) { if (qAbs(lines[lowerIndex].p1().x() - x) < qAbs(lines[higherIndex].p1().x() - x)) index = lowerIndex; else index = higherIndex; return index; } if (value >= x && increase) higherIndex = index; else if (value >= x && !increase) lowerIndex = index; else if (value < x && increase) lowerIndex = index; else if (value < x && !increase) higherIndex = index; } } else if (properties == AbstractColumn::Properties::Constant) { return 0; } else { // AbstractColumn::Properties::No // naiv way int index = 0; prevValue = lines[0].p1().x(); for (int row = 0; row < rowCount; row++) { double value = lines[row].p1().x(); if (qAbs(value - x) <= qAbs(prevValue - x)) { // "<=" prevents also that row - 1 become < 0 prevValue = value; index = row; } } return index; } return -1; } /*! * \brief XYCurve::activateCurve * Checks if the mousepos distance to the curve is less than @p pow(maxDist,2) * \p mouseScenePos * \p maxDist Maximum distance the point lies away from the curve * \return Returns true if the distance is smaller than pow(maxDist,2). */ bool XYCurve::activateCurve(QPointF mouseScenePos, double maxDist) { Q_D(XYCurve); return d->activateCurve(mouseScenePos, maxDist); } bool XYCurvePrivate::activateCurve(QPointF mouseScenePos, double maxDist) { if (!isVisible()) return false; int rowCount = 0; if (lineType != XYCurve::LineType::NoLine) rowCount = lines.count(); else if (symbolsStyle != Symbol::Style::NoSymbols) rowCount = symbolPointsScene.count(); else return false; if (rowCount == 0) return false; if (maxDist < 0) maxDist = linePen.width() < 10 ? 10: linePen.width(); double maxDistSquare = pow(maxDist,2); int properties = q->xColumn()->properties(); if (properties == AbstractColumn::Properties::No) { // assumption: points exist if no line. otherwise previously returned false if (lineType == XYCurve::NoLine) { QPointF curvePosPrevScene = symbolPointsScene[0]; QPointF curvePosScene = curvePosPrevScene; for (int row =0; row < rowCount; row ++) { if (pow(mouseScenePos.x() - curvePosScene.x(),2) + pow(mouseScenePos.y() - curvePosScene.y(),2) <= maxDistSquare) return true; curvePosPrevScene = curvePosScene; curvePosScene = symbolPointsScene[row]; } } else { for (int row=0; row < rowCount; row++) { QLineF line = lines[row]; if (pointLiesNearLine(line.p1(), line.p2(), mouseScenePos, maxDist)) return true; } } } else if (properties == AbstractColumn::Properties::MonotonicIncreasing || properties == AbstractColumn::Properties::MonotonicDecreasing) { bool increase = true; if (properties == AbstractColumn::Properties::MonotonicDecreasing) increase = false; double x = mouseScenePos.x()-maxDist; int index = 0; QPointF curvePosScene; QPointF curvePosPrevScene; if (lineType == XYCurve::NoLine) { curvePosScene = symbolPointsScene[index]; curvePosPrevScene = curvePosScene; index = q->indexForX(x, symbolPointsScene, static_cast(properties)); } else index = q->indexForX(x, lines, static_cast(properties)); if (index >= 1) index --; // use one before so it is secured that I'm before point.x() double xMaxSquare = mouseScenePos.x() + maxDist; bool stop = false; while (true) { // assumption: points exist if no line. otherwise previously returned false if (lineType == XYCurve::NoLine) {// check points only if no line otherwise check only the lines if (curvePosScene.x() > xMaxSquare) stop = true; // one more time if bigger if (pow(mouseScenePos.x()- curvePosScene.x(),2)+pow(mouseScenePos.y()-curvePosScene.y(),2) <= maxDistSquare) return true; } else { if (lines[index].p1().x() > xMaxSquare) stop = true; // one more time if bigger QLineF line = lines[index]; if (pointLiesNearLine(line.p1(), line.p2(), mouseScenePos, maxDist)) return true; } if (stop || (index >= rowCount-1 && increase) || (index <=0 && !increase)) break; if (increase) index++; else index--; if (lineType == XYCurve::NoLine) { curvePosPrevScene = curvePosScene; curvePosScene = symbolPointsScene[index]; } } } return false; } /*! * \brief XYCurve::pointLiesNearLine * Calculates if a point \p pos lies near than maxDist to the line created by the points \p p1 and \p p2 * https://stackoverflow.com/questions/11604680/point-laying-near-line * \p p1 first point of the line * \p p2 second point of the line * \p pos Position to check * \p maxDist Maximal distance away from the curve, which is valid * \return Return true if point lies next to the line */ bool XYCurvePrivate::pointLiesNearLine(const QPointF p1, const QPointF p2, const QPointF pos, const double maxDist) const{ double dx12 = p2.x() - p1.x(); double dy12 = p2.y() - p1.y(); double vecLenght = sqrt(pow(dx12,2) + pow(dy12,2)); if (vecLenght == 0) { if (pow(p1.x() - pos.x(), 2) + pow(p1.y()-pos.y(), 2) <= pow(maxDist, 2)) return true; return false; } QPointF unitvec(dx12/vecLenght,dy12/vecLenght); double dx1m = pos.x() - p1.x(); double dy1m = pos.y() - p1.y(); double dist_segm = qAbs(dx1m*unitvec.y() - dy1m*unitvec.x()); double scalarProduct = dx1m*unitvec.x() + dy1m*unitvec.y(); if (scalarProduct > 0) { if (scalarProduct < vecLenght && dist_segm < maxDist) return true; } return false; } // TODO: curvePosScene.x() >= mouseScenePos.x() && // curvePosPrevScene.x() < mouseScenePos.x() // dürfte eigentlich nicht drin sein bool XYCurvePrivate::pointLiesNearCurve(const QPointF mouseScenePos, const QPointF curvePosPrevScene, const QPointF curvePosScene, const int index, const double maxDist) const { if (q->lineType() != XYCurve::LineType::NoLine && curvePosScene.x() >= mouseScenePos.x() && curvePosPrevScene.x() < mouseScenePos.x()) { if (q->lineType() == XYCurve::LineType::Line) { // point is not in the near of the point, but it can be in the near of the connection line of two points if (pointLiesNearLine(curvePosPrevScene,curvePosScene, mouseScenePos, maxDist)) return true; } else if (q->lineType() == XYCurve::LineType::StartHorizontal) { QPointF tempPoint = curvePosPrevScene; tempPoint.setX(curvePosScene.x()); if (pointLiesNearLine(curvePosPrevScene,tempPoint, mouseScenePos, maxDist)) return true; if (pointLiesNearLine(tempPoint,curvePosScene, mouseScenePos, maxDist)) return true; } else if (q->lineType() == XYCurve::LineType::StartVertical) { QPointF tempPoint = curvePosPrevScene; tempPoint.setY(curvePosScene.y()); if (pointLiesNearLine(curvePosPrevScene,tempPoint, mouseScenePos, maxDist)) return true; if (pointLiesNearLine(tempPoint,curvePosScene, mouseScenePos, maxDist)) return true; } else if (q->lineType() == XYCurve::LineType::MidpointHorizontal) { QPointF tempPoint = curvePosPrevScene; tempPoint.setX(curvePosPrevScene.x()+(curvePosScene.x()-curvePosPrevScene.x())/2); if (pointLiesNearLine(curvePosPrevScene,tempPoint, mouseScenePos, maxDist)) return true; QPointF tempPoint2(tempPoint.x(), curvePosScene.y()); if (pointLiesNearLine(tempPoint,tempPoint2, mouseScenePos, maxDist)) return true; if (pointLiesNearLine(tempPoint2,curvePosScene, mouseScenePos, maxDist)) return true; } else if (q->lineType() == XYCurve::LineType::MidpointVertical) { QPointF tempPoint = curvePosPrevScene; tempPoint.setY(curvePosPrevScene.y()+(curvePosScene.y()-curvePosPrevScene.y())/2); if (pointLiesNearLine(curvePosPrevScene,tempPoint, mouseScenePos, maxDist)) return true; QPointF tempPoint2(tempPoint.y(), curvePosScene.x()); if (pointLiesNearLine(tempPoint,tempPoint2, mouseScenePos, maxDist)) return true; if (pointLiesNearLine(tempPoint2,curvePosScene, mouseScenePos, maxDist)) return true; } else if (q->lineType() == XYCurve::LineType::SplineAkimaNatural || q->lineType() == XYCurve::LineType::SplineCubicNatural || q->lineType() == XYCurve::LineType::SplineAkimaPeriodic || q->lineType() == XYCurve::LineType::SplineCubicPeriodic) { for (int i=0; i < q->lineInterpolationPointsCount()+1; i++) { QLineF line = lines[index*(q->lineInterpolationPointsCount()+1)+i]; QPointF p1 = line.p1(); //cSystem->mapLogicalToScene(line.p1()); QPointF p2 = line.p2(); //cSystem->mapLogicalToScene(line.p2()); if (pointLiesNearLine(p1, p2, mouseScenePos, maxDist)) return true; } } else { // point is not in the near of the point, but it can be in the near of the connection line of two points if (pointLiesNearLine(curvePosPrevScene,curvePosScene, mouseScenePos, maxDist)) return true; } } return false; } /*! * \brief XYCurve::setHover * Will be called in CartesianPlot::hoverMoveEvent() * See d->setHover(on) for more documentation * \p on */ void XYCurve::setHover(bool on) { Q_D(XYCurve); d->setHover(on); } void XYCurvePrivate::updateErrorBars() { errorBarsPath = QPainterPath(); if (xErrorType == XYCurve::NoError && yErrorType == XYCurve::NoError) { recalcShapeAndBoundingRect(); return; } QVector lines; float errorPlus, errorMinus; //the cap size for the errorbars is given in scene units. //determine first the (half of the) cap size in logical units: // * take the first visible point in logical units // * convert it to scene units // * add to this point an offset corresponding to the cap size in scene units // * convert this point back to logical units // * subtract from this point the original coordinates (without the new offset) // to determine the cap size in logical units. float capSizeX = 0; float capSizeY = 0; if (errorBarsType != XYCurve::ErrorBarsSimple && !symbolPointsLogical.isEmpty()) { //determine the index of the first visible point size_t i = 0; while (i no error bars to draw //cap size for x-error bars QPointF pointScene = cSystem->mapLogicalToScene(symbolPointsLogical.at((int)i)); pointScene.setY(pointScene.y()-errorBarsCapSize); QPointF pointLogical = cSystem->mapSceneToLogical(pointScene); capSizeX = (pointLogical.y() - symbolPointsLogical.at((int)i).y())/2; //cap size for y-error bars pointScene = cSystem->mapLogicalToScene(symbolPointsLogical.at((int)i)); pointScene.setX(pointScene.x()+errorBarsCapSize); pointLogical = cSystem->mapSceneToLogical(pointScene); capSizeY = (pointLogical.x() - symbolPointsLogical.at((int)i).x())/2; } for (int i = 0; i < symbolPointsLogical.size(); ++i) { if (!visiblePoints[i]) continue; const QPointF& point = symbolPointsLogical.at(i); int index = validPointsIndicesLogical.at(i); //error bars for x if (xErrorType != XYCurve::NoError) { //determine the values for the errors if (xErrorPlusColumn && xErrorPlusColumn->isValid(index) && !xErrorPlusColumn->isMasked(index)) errorPlus = xErrorPlusColumn->valueAt(index); else errorPlus = 0; if (xErrorType == XYCurve::SymmetricError) errorMinus = errorPlus; else { if (xErrorMinusColumn && xErrorMinusColumn->isValid(index) && !xErrorMinusColumn->isMasked(index)) errorMinus = xErrorMinusColumn->valueAt(index); else errorMinus = 0; } //draw the error bars switch (errorBarsType) { case XYCurve::ErrorBarsSimple: lines.append(QLineF(QPointF(point.x()-errorMinus, point.y()), QPointF(point.x()+errorPlus, point.y()))); break; case XYCurve::ErrorBarsWithEnds: lines.append(QLineF(QPointF(point.x()-errorMinus, point.y()), QPointF(point.x()+errorPlus, point.y()))); if (errorMinus != 0) { lines.append(QLineF(QPointF(point.x()-errorMinus, point.y()-capSizeX), QPointF(point.x()-errorMinus, point.y()+capSizeX))); } if (errorPlus != 0) { lines.append(QLineF(QPointF(point.x()+errorPlus, point.y()-capSizeX), QPointF(point.x()+errorPlus, point.y()+capSizeX))); } break; } } //error bars for y if (yErrorType != XYCurve::NoError) { //determine the values for the errors if (yErrorPlusColumn && yErrorPlusColumn->isValid(index) && !yErrorPlusColumn->isMasked(index)) errorPlus = yErrorPlusColumn->valueAt(index); else errorPlus = 0; if (yErrorType == XYCurve::SymmetricError) errorMinus = errorPlus; else { if (yErrorMinusColumn && yErrorMinusColumn->isValid(index) && !yErrorMinusColumn->isMasked(index) ) errorMinus = yErrorMinusColumn->valueAt(index); else errorMinus = 0; } //draw the error bars switch (errorBarsType) { case XYCurve::ErrorBarsSimple: lines.append(QLineF(QPointF(point.x(), point.y()-errorMinus), QPointF(point.x(), point.y()+errorPlus))); break; case XYCurve::ErrorBarsWithEnds: lines.append(QLineF(QPointF(point.x(), point.y()-errorMinus), QPointF(point.x(), point.y()+errorPlus))); if (errorMinus != 0) lines.append(QLineF(QPointF(point.x()-capSizeY, point.y()-errorMinus), QPointF(point.x()+capSizeY, point.y()-errorMinus))); if (errorPlus != 0) lines.append(QLineF(QPointF(point.x()-capSizeY, point.y()+errorPlus), QPointF(point.x()+capSizeY, point.y()+errorPlus))); break; } } } //map the error bars to scene coordinates lines = cSystem->mapLogicalToScene(lines); //new painter path for the drop lines for (const auto& line : lines) { errorBarsPath.moveTo(line.p1()); errorBarsPath.lineTo(line.p2()); } recalcShapeAndBoundingRect(); } /*! recalculates the outer bounds and the shape of the curve. */ void XYCurvePrivate::recalcShapeAndBoundingRect() { DEBUG("XYCurvePrivate::recalcShapeAndBoundingRect() m_suppressRecalc = " << m_suppressRecalc); if (m_suppressRecalc) return; #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::recalcShapeAndBoundingRect()"); #endif prepareGeometryChange(); curveShape = QPainterPath(); if (lineType != XYCurve::NoLine) curveShape.addPath(WorksheetElement::shapeFromPath(linePath, linePen)); if (dropLineType != XYCurve::NoDropLine) curveShape.addPath(WorksheetElement::shapeFromPath(dropLinePath, dropLinePen)); if (symbolsStyle != Symbol::NoSymbols) curveShape.addPath(symbolsPath); if (valuesType != XYCurve::NoValues) curveShape.addPath(valuesPath); if (xErrorType != XYCurve::NoError || yErrorType != XYCurve::NoError) curveShape.addPath(WorksheetElement::shapeFromPath(errorBarsPath, errorBarsPen)); boundingRectangle = curveShape.boundingRect(); for (const auto& pol : fillPolygons) boundingRectangle = boundingRectangle.united(pol.boundingRect()); //TODO: when the selection is painted, line intersections are visible. //simplified() removes those artifacts but is horrible slow for curves with large number of points. //search for an alternative. //curveShape = curveShape.simplified(); updatePixmap(); } void XYCurvePrivate::draw(QPainter* painter) { #ifdef PERFTRACE_CURVES PERFTRACE(name().toLatin1() + ", XYCurvePrivate::draw()"); #endif //draw filling if (fillingPosition != XYCurve::NoFilling) { painter->setOpacity(fillingOpacity); painter->setPen(Qt::SolidLine); drawFilling(painter); } //draw lines if (lineType != XYCurve::NoLine) { painter->setOpacity(lineOpacity); painter->setPen(linePen); painter->setBrush(Qt::NoBrush); painter->drawPath(linePath); } //draw drop lines if (dropLineType != XYCurve::NoDropLine) { painter->setOpacity(dropLineOpacity); painter->setPen(dropLinePen); painter->setBrush(Qt::NoBrush); painter->drawPath(dropLinePath); } //draw error bars if ( (xErrorType != XYCurve::NoError) || (yErrorType != XYCurve::NoError) ) { painter->setOpacity(errorBarsOpacity); painter->setPen(errorBarsPen); painter->setBrush(Qt::NoBrush); painter->drawPath(errorBarsPath); } //draw symbols if (symbolsStyle != Symbol::NoSymbols) { painter->setOpacity(symbolsOpacity); painter->setPen(symbolsPen); painter->setBrush(symbolsBrush); drawSymbols(painter); } //draw values if (valuesType != XYCurve::NoValues) { painter->setOpacity(valuesOpacity); //don't use any painter pen, since this will force QPainter to render the text outline which is expensive painter->setPen(Qt::NoPen); painter->setBrush(valuesColor); drawValues(painter); } } void XYCurvePrivate::updatePixmap() { DEBUG("XYCurvePrivate::updatePixmap() m_suppressRecalc = " << m_suppressRecalc); if (m_suppressRecalc) return; WAIT_CURSOR; m_hoverEffectImageIsDirty = true; m_selectionEffectImageIsDirty = true; if (boundingRectangle.width() == 0 || boundingRectangle.height() == 0) { DEBUG(" boundingRectangle.width() or boundingRectangle.height() == 0"); m_pixmap = QPixmap(); RESET_CURSOR; return; } QPixmap pixmap(ceil(boundingRectangle.width()), ceil(boundingRectangle.height())); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHint(QPainter::Antialiasing, true); painter.translate(-boundingRectangle.topLeft()); draw(&painter); painter.end(); m_pixmap = pixmap; update(); RESET_CURSOR; } /*! Reimplementation of QGraphicsItem::paint(). This function does the actual painting of the curve. \sa QGraphicsItem::paint(). */ void XYCurvePrivate::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(option); Q_UNUSED(widget); if (!isVisible()) return; painter->setPen(Qt::NoPen); painter->setBrush(Qt::NoBrush); painter->setRenderHint(QPainter::SmoothPixmapTransform, true); if ( KSharedConfig::openConfig()->group("Settings_Worksheet").readEntry("DoubleBuffering", true) ) painter->drawPixmap(boundingRectangle.topLeft(), m_pixmap); //draw the cached pixmap (fast) else draw(painter); //draw directly again (slow) if (m_hovered && !isSelected() && !m_printing) { if (m_hoverEffectImageIsDirty) { QPixmap pix = m_pixmap; QPainter p(&pix); p.setCompositionMode(QPainter::CompositionMode_SourceIn); // source (shadow) pixels merged with the alpha channel of the destination (m_pixmap) p.fillRect(pix.rect(), QApplication::palette().color(QPalette::Shadow)); p.end(); m_hoverEffectImage = ImageTools::blurred(pix.toImage(), m_pixmap.rect(), 5); m_hoverEffectImageIsDirty = false; } painter->drawImage(boundingRectangle.topLeft(), m_hoverEffectImage, m_pixmap.rect()); return; } if (isSelected() && !m_printing) { if (m_selectionEffectImageIsDirty) { QPixmap pix = m_pixmap; QPainter p(&pix); p.setCompositionMode(QPainter::CompositionMode_SourceIn); p.fillRect(pix.rect(), QApplication::palette().color(QPalette::Highlight)); p.end(); m_selectionEffectImage = ImageTools::blurred(pix.toImage(), m_pixmap.rect(), 5); m_selectionEffectImageIsDirty = false; } painter->drawImage(boundingRectangle.topLeft(), m_selectionEffectImage, m_pixmap.rect()); } } /*! Drawing of symbolsPath is very slow, so we draw every symbol in the loop which is much faster (factor 10) */ void XYCurvePrivate::drawSymbols(QPainter* painter) { QPainterPath path = Symbol::pathFromStyle(symbolsStyle); QTransform trafo; trafo.scale(symbolsSize, symbolsSize); path = trafo.map(path); trafo.reset(); if (symbolsRotationAngle != 0) { trafo.rotate(-symbolsRotationAngle); path = trafo.map(path); } for (const auto& point : symbolPointsScene) { trafo.reset(); trafo.translate(point.x(), point.y()); painter->drawPath(trafo.map(path)); } } void XYCurvePrivate::drawValues(QPainter* painter) { QTransform trafo; QPainterPath path; for (int i = 0; i < valuesPoints.size(); i++) { path = QPainterPath(); path.addText( QPoint(0,0), valuesFont, valuesStrings.at(i) ); trafo.reset(); trafo.translate( valuesPoints.at(i).x(), valuesPoints.at(i).y() ); if (valuesRotationAngle != 0) trafo.rotate( -valuesRotationAngle ); painter->drawPath(trafo.map(path)); } } void XYCurvePrivate::drawFilling(QPainter* painter) { for (const auto& pol : fillPolygons) { QRectF rect = pol.boundingRect(); if (fillingType == PlotArea::Color) { switch (fillingColorStyle) { case PlotArea::SingleColor: { painter->setBrush(QBrush(fillingFirstColor)); break; } case PlotArea::HorizontalLinearGradient: { QLinearGradient linearGrad(rect.topLeft(), rect.topRight()); linearGrad.setColorAt(0, fillingFirstColor); linearGrad.setColorAt(1, fillingSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::VerticalLinearGradient: { QLinearGradient linearGrad(rect.topLeft(), rect.bottomLeft()); linearGrad.setColorAt(0, fillingFirstColor); linearGrad.setColorAt(1, fillingSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::TopLeftDiagonalLinearGradient: { QLinearGradient linearGrad(rect.topLeft(), rect.bottomRight()); linearGrad.setColorAt(0, fillingFirstColor); linearGrad.setColorAt(1, fillingSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::BottomLeftDiagonalLinearGradient: { QLinearGradient linearGrad(rect.bottomLeft(), rect.topRight()); linearGrad.setColorAt(0, fillingFirstColor); linearGrad.setColorAt(1, fillingSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::RadialGradient: { QRadialGradient radialGrad(rect.center(), rect.width()/2); radialGrad.setColorAt(0, fillingFirstColor); radialGrad.setColorAt(1, fillingSecondColor); painter->setBrush(QBrush(radialGrad)); break; } } } else if (fillingType == PlotArea::Image) { if ( !fillingFileName.trimmed().isEmpty() ) { QPixmap pix(fillingFileName); switch (fillingImageStyle) { case PlotArea::ScaledCropped: pix = pix.scaled(rect.size().toSize(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation); painter->setBrush(QBrush(pix)); painter->setBrushOrigin(pix.size().width()/2, pix.size().height()/2); break; case PlotArea::Scaled: pix = pix.scaled(rect.size().toSize(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); painter->setBrush(QBrush(pix)); painter->setBrushOrigin(pix.size().width()/2, pix.size().height()/2); break; case PlotArea::ScaledAspectRatio: pix = pix.scaled(rect.size().toSize(), Qt::KeepAspectRatio, Qt::SmoothTransformation); painter->setBrush(QBrush(pix)); painter->setBrushOrigin(pix.size().width()/2, pix.size().height()/2); break; case PlotArea::Centered: { QPixmap backpix(rect.size().toSize()); backpix.fill(); QPainter p(&backpix); p.drawPixmap(QPointF(0, 0), pix); p.end(); painter->setBrush(QBrush(backpix)); painter->setBrushOrigin(-pix.size().width()/2, -pix.size().height()/2); break; } case PlotArea::Tiled: painter->setBrush(QBrush(pix)); break; case PlotArea::CenterTiled: painter->setBrush(QBrush(pix)); painter->setBrushOrigin(pix.size().width()/2, pix.size().height()/2); } } } else if (fillingType == PlotArea::Pattern) painter->setBrush(QBrush(fillingFirstColor, fillingBrushStyle)); painter->drawPolygon(pol); } } void XYCurvePrivate::setPrinting(bool on) { m_printing = on; } void XYCurvePrivate::suppressRetransform(bool on) { m_suppressRetransform = on; m_suppressRecalc = on; } /*! * \brief XYCurvePrivate::mousePressEvent * checks with activateCurve, if the mousePress was in the near * of the curve. If it was, the curve will be selected * \p event */ void XYCurvePrivate::mousePressEvent(QGraphicsSceneMouseEvent* event) { if (plot->mouseMode() != CartesianPlot::MouseMode::SelectionMode) { event->ignore(); return QGraphicsItem::mousePressEvent(event); } if(q->activateCurve(event->pos())){ setSelected(true); return; } event->ignore(); setSelected(false); QGraphicsItem::mousePressEvent(event); } /*! * \brief XYCurvePrivate::setHover * Will be called from CartesianPlot::hoverMoveEvent which * determines, which curve is hovered * \p on */ void XYCurvePrivate::setHover(bool on) { if(on == m_hovered) return; // don't update if state not changed m_hovered = on; on ? emit q->hovered() : emit q->unhovered(); update(); } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void XYCurve::save(QXmlStreamWriter* writer) const { Q_D(const XYCurve); writer->writeStartElement( "xyCurve" ); writeBasicAttributes( writer ); writeCommentElement( writer ); //general writer->writeStartElement( "general" ); WRITE_COLUMN(d->xColumn, xColumn); WRITE_COLUMN(d->yColumn, yColumn); writer->writeAttribute( "visible", QString::number(d->isVisible()) ); writer->writeEndElement(); //Line writer->writeStartElement( "lines" ); writer->writeAttribute( "type", QString::number(d->lineType) ); writer->writeAttribute( "skipGaps", QString::number(d->lineSkipGaps) ); writer->writeAttribute( "increasingXOnly", QString::number(d->lineIncreasingXOnly) ); writer->writeAttribute( "interpolationPointsCount", QString::number(d->lineInterpolationPointsCount) ); WRITE_QPEN(d->linePen); writer->writeAttribute( "opacity", QString::number(d->lineOpacity) ); writer->writeEndElement(); //Drop lines writer->writeStartElement( "dropLines" ); writer->writeAttribute( "type", QString::number(d->dropLineType) ); WRITE_QPEN(d->dropLinePen); writer->writeAttribute( "opacity", QString::number(d->dropLineOpacity) ); writer->writeEndElement(); //Symbols writer->writeStartElement( "symbols" ); writer->writeAttribute( "symbolsStyle", QString::number(d->symbolsStyle) ); writer->writeAttribute( "opacity", QString::number(d->symbolsOpacity) ); writer->writeAttribute( "rotation", QString::number(d->symbolsRotationAngle) ); writer->writeAttribute( "size", QString::number(d->symbolsSize) ); WRITE_QBRUSH(d->symbolsBrush); WRITE_QPEN(d->symbolsPen); writer->writeEndElement(); //Values writer->writeStartElement( "values" ); writer->writeAttribute( "type", QString::number(d->valuesType) ); WRITE_COLUMN(d->valuesColumn, valuesColumn); writer->writeAttribute( "position", QString::number(d->valuesPosition) ); writer->writeAttribute( "distance", QString::number(d->valuesDistance) ); writer->writeAttribute( "rotation", QString::number(d->valuesRotationAngle) ); writer->writeAttribute( "opacity", QString::number(d->valuesOpacity) ); //TODO values format and precision writer->writeAttribute( "prefix", d->valuesPrefix ); writer->writeAttribute( "suffix", d->valuesSuffix ); WRITE_QCOLOR(d->valuesColor); WRITE_QFONT(d->valuesFont); writer->writeEndElement(); //Filling writer->writeStartElement( "filling" ); writer->writeAttribute( "position", QString::number(d->fillingPosition) ); writer->writeAttribute( "type", QString::number(d->fillingType) ); writer->writeAttribute( "colorStyle", QString::number(d->fillingColorStyle) ); writer->writeAttribute( "imageStyle", QString::number(d->fillingImageStyle) ); writer->writeAttribute( "brushStyle", QString::number(d->fillingBrushStyle) ); writer->writeAttribute( "firstColor_r", QString::number(d->fillingFirstColor.red()) ); writer->writeAttribute( "firstColor_g", QString::number(d->fillingFirstColor.green()) ); writer->writeAttribute( "firstColor_b", QString::number(d->fillingFirstColor.blue()) ); writer->writeAttribute( "secondColor_r", QString::number(d->fillingSecondColor.red()) ); writer->writeAttribute( "secondColor_g", QString::number(d->fillingSecondColor.green()) ); writer->writeAttribute( "secondColor_b", QString::number(d->fillingSecondColor.blue()) ); writer->writeAttribute( "fileName", d->fillingFileName ); writer->writeAttribute( "opacity", QString::number(d->fillingOpacity) ); writer->writeEndElement(); //Error bars writer->writeStartElement( "errorBars" ); writer->writeAttribute( "xErrorType", QString::number(d->xErrorType) ); WRITE_COLUMN(d->xErrorPlusColumn, xErrorPlusColumn); WRITE_COLUMN(d->xErrorMinusColumn, xErrorMinusColumn); writer->writeAttribute( "yErrorType", QString::number(d->yErrorType) ); WRITE_COLUMN(d->yErrorPlusColumn, yErrorPlusColumn); WRITE_COLUMN(d->yErrorMinusColumn, yErrorMinusColumn); writer->writeAttribute( "type", QString::number(d->errorBarsType) ); writer->writeAttribute( "capSize", QString::number(d->errorBarsCapSize) ); WRITE_QPEN(d->errorBarsPen); writer->writeAttribute( "opacity", QString::number(d->errorBarsOpacity) ); writer->writeEndElement(); writer->writeEndElement(); //close "xyCurve" section } //! Load from XML bool XYCurve::load(XmlStreamReader* reader, bool preview) { Q_D(XYCurve); if (!readBasicAttributes(reader)) return false; KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "xyCurve") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (reader->name() == "general") { attribs = reader->attributes(); READ_COLUMN(xColumn); READ_COLUMN(yColumn); str = attribs.value("visible").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("visible").toString()); else d->setVisible(str.toInt()); } else if (!preview && reader->name() == "lines") { attribs = reader->attributes(); READ_INT_VALUE("type", lineType, XYCurve::LineType); READ_INT_VALUE("skipGaps", lineSkipGaps, bool); READ_INT_VALUE("increasingXOnly", lineIncreasingXOnly, bool); READ_INT_VALUE("interpolationPointsCount", lineInterpolationPointsCount, int); READ_QPEN(d->linePen); READ_DOUBLE_VALUE("opacity", lineOpacity); } else if (!preview && reader->name() == "dropLines") { attribs = reader->attributes(); READ_INT_VALUE("type", dropLineType, XYCurve::DropLineType); READ_QPEN(d->dropLinePen); READ_DOUBLE_VALUE("opacity", dropLineOpacity); } else if (!preview && reader->name() == "symbols") { attribs = reader->attributes(); READ_INT_VALUE("symbolsStyle", symbolsStyle, Symbol::Style); READ_DOUBLE_VALUE("opacity", symbolsOpacity); READ_DOUBLE_VALUE("rotation", symbolsRotationAngle); READ_DOUBLE_VALUE("size", symbolsSize); READ_QBRUSH(d->symbolsBrush); READ_QPEN(d->symbolsPen); } else if (!preview && reader->name() == "values") { attribs = reader->attributes(); READ_INT_VALUE("type", valuesType, XYCurve::ValuesType); READ_COLUMN(valuesColumn); READ_INT_VALUE("position", valuesPosition, XYCurve::ValuesPosition); READ_DOUBLE_VALUE("distance", valuesDistance); READ_DOUBLE_VALUE("rotation", valuesRotationAngle); READ_DOUBLE_VALUE("opacity", valuesOpacity); //don't produce any warning if no prefix or suffix is set (empty string is allowed here in xml) d->valuesPrefix = attribs.value("prefix").toString(); d->valuesSuffix = attribs.value("suffix").toString(); READ_QCOLOR(d->valuesColor); READ_QFONT(d->valuesFont); } else if (!preview && reader->name() == "filling") { attribs = reader->attributes(); READ_INT_VALUE("position", fillingPosition, XYCurve::FillingPosition); READ_INT_VALUE("type", fillingType, PlotArea::BackgroundType); READ_INT_VALUE("colorStyle", fillingColorStyle, PlotArea::BackgroundColorStyle); READ_INT_VALUE("imageStyle", fillingImageStyle, PlotArea::BackgroundImageStyle ); READ_INT_VALUE("brushStyle", fillingBrushStyle, Qt::BrushStyle); str = attribs.value("firstColor_r").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("firstColor_r").toString()); else d->fillingFirstColor.setRed(str.toInt()); str = attribs.value("firstColor_g").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("firstColor_g").toString()); else d->fillingFirstColor.setGreen(str.toInt()); str = attribs.value("firstColor_b").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("firstColor_b").toString()); else d->fillingFirstColor.setBlue(str.toInt()); str = attribs.value("secondColor_r").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("secondColor_r").toString()); else d->fillingSecondColor.setRed(str.toInt()); str = attribs.value("secondColor_g").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("secondColor_g").toString()); else d->fillingSecondColor.setGreen(str.toInt()); str = attribs.value("secondColor_b").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("secondColor_b").toString()); else d->fillingSecondColor.setBlue(str.toInt()); READ_STRING_VALUE("fileName", fillingFileName); READ_DOUBLE_VALUE("opacity", fillingOpacity); } else if (!preview && reader->name() == "errorBars") { attribs = reader->attributes(); READ_INT_VALUE("xErrorType", xErrorType, XYCurve::ErrorType); READ_COLUMN(xErrorPlusColumn); READ_COLUMN(xErrorMinusColumn); READ_INT_VALUE("yErrorType", yErrorType, XYCurve::ErrorType); READ_COLUMN(yErrorPlusColumn); READ_COLUMN(yErrorMinusColumn); READ_INT_VALUE("type", errorBarsType, XYCurve::ErrorBarsType); READ_DOUBLE_VALUE("capSize", errorBarsCapSize); READ_QPEN(d->errorBarsPen); READ_DOUBLE_VALUE("opacity", errorBarsOpacity); } } return true; } //############################################################################## //######################### Theme management ################################## //############################################################################## void XYCurve::loadThemeConfig(const KConfig& config) { KConfigGroup group = config.group("XYCurve"); int index = parentAspect()->indexOfChild(this); const auto* plot = dynamic_cast(parentAspect()); QColor themeColor; if (indexthemeColorPalette().size()) themeColor = plot->themeColorPalette().at(index); else { if (plot->themeColorPalette().size()) themeColor = plot->themeColorPalette().last(); } QPen p; Q_D(XYCurve); d->m_suppressRecalc = true; //Line p.setStyle((Qt::PenStyle)group.readEntry("LineStyle", (int)this->linePen().style())); p.setWidthF(group.readEntry("LineWidth", this->linePen().widthF())); p.setColor(themeColor); this->setLinePen(p); this->setLineOpacity(group.readEntry("LineOpacity", this->lineOpacity())); //Drop line p.setStyle((Qt::PenStyle)group.readEntry("DropLineStyle",(int) this->dropLinePen().style())); p.setWidthF(group.readEntry("DropLineWidth", this->dropLinePen().widthF())); p.setColor(themeColor); this->setDropLinePen(p); this->setDropLineOpacity(group.readEntry("DropLineOpacity", this->dropLineOpacity())); //Symbol this->setSymbolsOpacity(group.readEntry("SymbolOpacity", this->symbolsOpacity())); QBrush brush = symbolsBrush(); brush.setColor(themeColor); this->setSymbolsBrush(brush); p = symbolsPen(); p.setColor(themeColor); this->setSymbolsPen(p); //Values this->setValuesOpacity(group.readEntry("ValuesOpacity", this->valuesOpacity())); this->setValuesColor(group.readEntry("ValuesColor", this->valuesColor())); //Filling this->setFillingBrushStyle((Qt::BrushStyle)group.readEntry("FillingBrushStyle",(int) this->fillingBrushStyle())); this->setFillingColorStyle((PlotArea::BackgroundColorStyle)group.readEntry("FillingColorStyle",(int) this->fillingColorStyle())); this->setFillingOpacity(group.readEntry("FillingOpacity", this->fillingOpacity())); this->setFillingPosition((XYCurve::FillingPosition)group.readEntry("FillingPosition",(int) this->fillingPosition())); this->setFillingSecondColor(group.readEntry("FillingSecondColor",(QColor) this->fillingSecondColor())); this->setFillingFirstColor(themeColor); this->setFillingType((PlotArea::BackgroundType)group.readEntry("FillingType",(int) this->fillingType())); //Error Bars p.setStyle((Qt::PenStyle)group.readEntry("ErrorBarsStyle",(int) this->errorBarsPen().style())); p.setWidthF(group.readEntry("ErrorBarsWidth", this->errorBarsPen().widthF())); p.setColor(themeColor); this->setErrorBarsPen(p); this->setErrorBarsOpacity(group.readEntry("ErrorBarsOpacity",this->errorBarsOpacity())); d->m_suppressRecalc = false; d->recalcShapeAndBoundingRect(); } void XYCurve::saveThemeConfig(const KConfig& config) { KConfigGroup group = config.group("XYCurve"); //Drop line group.writeEntry("DropLineColor",(QColor) this->dropLinePen().color()); group.writeEntry("DropLineStyle",(int) this->dropLinePen().style()); group.writeEntry("DropLineWidth", this->dropLinePen().widthF()); group.writeEntry("DropLineOpacity",this->dropLineOpacity()); //Error Bars group.writeEntry("ErrorBarsCapSize",this->errorBarsCapSize()); group.writeEntry("ErrorBarsOpacity",this->errorBarsOpacity()); group.writeEntry("ErrorBarsColor",(QColor) this->errorBarsPen().color()); group.writeEntry("ErrorBarsStyle",(int) this->errorBarsPen().style()); group.writeEntry("ErrorBarsWidth", this->errorBarsPen().widthF()); //Filling group.writeEntry("FillingBrushStyle",(int) this->fillingBrushStyle()); group.writeEntry("FillingColorStyle",(int) this->fillingColorStyle()); group.writeEntry("FillingOpacity", this->fillingOpacity()); group.writeEntry("FillingPosition",(int) this->fillingPosition()); group.writeEntry("FillingSecondColor",(QColor) this->fillingSecondColor()); group.writeEntry("FillingType",(int) this->fillingType()); //Line group.writeEntry("LineOpacity", this->lineOpacity()); group.writeEntry("LineStyle",(int) this->linePen().style()); group.writeEntry("LineWidth", this->linePen().widthF()); //Symbol group.writeEntry("SymbolOpacity", this->symbolsOpacity()); //Values group.writeEntry("ValuesOpacity", this->valuesOpacity()); group.writeEntry("ValuesColor", (QColor) this->valuesColor()); group.writeEntry("ValuesFont", this->valuesFont()); int index = parentAspect()->indexOfChild(this); if (index < 5) { KConfigGroup themeGroup = config.group("Theme"); for (int i = index; i<5; i++) { QString s = "ThemePaletteColor" + QString::number(i+1); themeGroup.writeEntry(s,(QColor) this->linePen().color()); } } }