diff --git a/libs/ui/kis_painting_assistant.cc b/libs/ui/kis_painting_assistant.cc index e682351ffb..2f8be5d355 100644 --- a/libs/ui/kis_painting_assistant.cc +++ b/libs/ui/kis_painting_assistant.cc @@ -1,678 +1,729 @@ /* * Copyright (c) 2008,2011 Cyrille Berger * Copyright (c) 2010 Geoffry Song * * 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 #include #include "kis_painting_assistant.h" #include "kis_coordinates_converter.h" #include "kis_debug.h" #include +#include "kis_tool.h" #include #include #include #include #include #include #include Q_GLOBAL_STATIC(KisPaintingAssistantFactoryRegistry, s_instance) struct KisPaintingAssistantHandle::Private { QList assistants; char handle_type; }; KisPaintingAssistantHandle::KisPaintingAssistantHandle(double x, double y) : QPointF(x, y), d(new Private) { } KisPaintingAssistantHandle::KisPaintingAssistantHandle(QPointF p) : QPointF(p), d(new Private) { } KisPaintingAssistantHandle::KisPaintingAssistantHandle(const KisPaintingAssistantHandle& rhs) : QPointF(rhs) , KisShared() , d(new Private) { } KisPaintingAssistantHandle& KisPaintingAssistantHandle::operator=(const QPointF & pt) { setX(pt.x()); setY(pt.y()); return *this; } void KisPaintingAssistantHandle::setType(char type) { d->handle_type = type; } char KisPaintingAssistantHandle::handleType() { return d->handle_type; } KisPaintingAssistantHandle::~KisPaintingAssistantHandle() { Q_ASSERT(d->assistants.empty()); delete d; } void KisPaintingAssistantHandle::registerAssistant(KisPaintingAssistant* assistant) { Q_ASSERT(!d->assistants.contains(assistant)); d->assistants.append(assistant); } void KisPaintingAssistantHandle::unregisterAssistant(KisPaintingAssistant* assistant) { d->assistants.removeOne(assistant); Q_ASSERT(!d->assistants.contains(assistant)); } bool KisPaintingAssistantHandle::containsAssistant(KisPaintingAssistant* assistant) { return d->assistants.contains(assistant); } void KisPaintingAssistantHandle::mergeWith(KisPaintingAssistantHandleSP handle) { if(this->handleType()== HandleType::NORMAL || handle.data()->handleType()== HandleType::SIDE) { return; } Q_FOREACH (KisPaintingAssistant* assistant, handle->d->assistants) { if (!assistant->handles().contains(this)) { assistant->replaceHandle(handle, this); } } } void KisPaintingAssistantHandle::uncache() { Q_FOREACH (KisPaintingAssistant* assistant, d->assistants) { assistant->uncache(); } } struct KisPaintingAssistant::Private { QString id; QString name; bool isSnappingActive; bool outlineVisible; QList handles,sideHandles; QPixmapCache::Key cached; QRect cachedRect; // relative to boundingRect().topLeft() KisPaintingAssistantHandleSP topLeft, bottomLeft, topRight, bottomRight, topMiddle, bottomMiddle, rightMiddle, leftMiddle; + KisCanvas2* m_canvas = 0; + struct TranslationInvariantTransform { qreal m11, m12, m21, m22; TranslationInvariantTransform() { } TranslationInvariantTransform(const QTransform& t) : m11(t.m11()), m12(t.m12()), m21(t.m21()), m22(t.m22()) { } bool operator==(const TranslationInvariantTransform& b) { return m11 == b.m11 && m12 == b.m12 && m21 == b.m21 && m22 == b.m22; } } cachedTransform; QColor assistantColor = QColor(60, 60, 60, 255); }; void KisPaintingAssistant::setAssistantColor(QColor color) { d->assistantColor = color; } KisPaintingAssistant::KisPaintingAssistant(const QString& id, const QString& name) : d(new Private) { d->id = id; d->name = name; d->isSnappingActive = true; d->outlineVisible = true; } bool KisPaintingAssistant::isSnappingActive() const { return d->isSnappingActive; } void KisPaintingAssistant::setSnappingActive(bool set) { d->isSnappingActive = set; } void KisPaintingAssistant::drawPath(QPainter& painter, const QPainterPath &path, bool isSnappingOn) { int alpha = d->assistantColor.alpha(); if (!isSnappingOn) { alpha = d->assistantColor.alpha() *0.2; } painter.save(); QPen pen_a(QColor(d->assistantColor.red(), d->assistantColor.green(), d->assistantColor.blue(), alpha), 2); pen_a.setCosmetic(true); painter.setPen(pen_a); painter.drawPath(path); painter.restore(); } void KisPaintingAssistant::drawPreview(QPainter& painter, const QPainterPath &path) { painter.save(); QPen pen_a(d->assistantColor, 1); pen_a.setStyle(Qt::SolidLine); pen_a.setCosmetic(true); painter.setPen(pen_a); painter.drawPath(path); painter.restore(); } void KisPaintingAssistant::initHandles(QList _handles) { Q_ASSERT(d->handles.isEmpty()); d->handles = _handles; Q_FOREACH (KisPaintingAssistantHandleSP handle, _handles) { handle->registerAssistant(this); } } KisPaintingAssistant::~KisPaintingAssistant() { Q_FOREACH (KisPaintingAssistantHandleSP handle, d->handles) { handle->unregisterAssistant(this); } if(!d->sideHandles.isEmpty()) { Q_FOREACH (KisPaintingAssistantHandleSP handle, d->sideHandles) { handle->unregisterAssistant(this); } } delete d; } const QString& KisPaintingAssistant::id() const { return d->id; } const QString& KisPaintingAssistant::name() const { return d->name; } void KisPaintingAssistant::replaceHandle(KisPaintingAssistantHandleSP _handle, KisPaintingAssistantHandleSP _with) { Q_ASSERT(d->handles.contains(_handle)); d->handles.replace(d->handles.indexOf(_handle), _with); Q_ASSERT(!d->handles.contains(_handle)); _handle->unregisterAssistant(this); _with->registerAssistant(this); } void KisPaintingAssistant::addHandle(KisPaintingAssistantHandleSP handle, HandleType type) { Q_ASSERT(!d->handles.contains(handle)); if (HandleType::SIDE == type) { d->sideHandles.append(handle); } else { d->handles.append(handle); } handle->registerAssistant(this); handle.data()->setType(type); } void KisPaintingAssistant::drawAssistant(QPainter& gc, const QRectF& updateRect, const KisCoordinatesConverter* converter, bool useCache,KisCanvas2* canvas, bool assistantVisible, bool previewVisible) { Q_UNUSED(updateRect); Q_UNUSED(previewVisible); findPerspectiveAssistantHandleLocation(); if (!useCache) { gc.save(); drawCache(gc, converter, assistantVisible); gc.restore(); return; } const QRect bound = boundingRect(); if (bound.isEmpty()) return; const QTransform transform = converter->documentToWidgetTransform(); const QRect widgetBound = transform.mapRect(bound); const QRect paintRect = transform.mapRect(bound).intersected(gc.viewport()); if (paintRect.isEmpty()) return; QPixmap cached; bool found = QPixmapCache::find(d->cached, &cached); if (!(found && d->cachedTransform == transform && d->cachedRect.translated(widgetBound.topLeft()).contains(paintRect))) { const QRect cacheRect = gc.viewport().adjusted(-100, -100, 100, 100).intersected(widgetBound); Q_ASSERT(!cacheRect.isEmpty()); if (cached.isNull() || cached.size() != cacheRect.size()) { cached = QPixmap(cacheRect.size()); } cached.fill(Qt::transparent); QPainter painter(&cached); painter.setRenderHint(QPainter::Antialiasing); painter.setWindow(cacheRect); drawCache(painter, converter, assistantVisible); painter.end(); d->cachedTransform = transform; d->cachedRect = cacheRect.translated(-widgetBound.topLeft()); d->cached = QPixmapCache::insert(cached); } gc.drawPixmap(paintRect, cached, paintRect.translated(-widgetBound.topLeft() - d->cachedRect.topLeft())); - canvas->updateCanvas(paintRect); + + if (canvas) { + d->m_canvas = canvas; + } + + d->m_canvas->updateCanvas(paintRect); } void KisPaintingAssistant::uncache() { d->cached = QPixmapCache::Key(); } QRect KisPaintingAssistant::boundingRect() const { QRectF r; Q_FOREACH (KisPaintingAssistantHandleSP h, handles()) { r = r.united(QRectF(*h, QSizeF(1,1))); } return r.adjusted(-2, -2, 2, 2).toAlignedRect(); } QByteArray KisPaintingAssistant::saveXml(QMap &handleMap) { QByteArray data; QXmlStreamWriter xml(&data); xml.writeStartDocument(); xml.writeStartElement("assistant"); xml.writeAttribute("type",d->id); xml.writeStartElement("handles"); Q_FOREACH (const KisPaintingAssistantHandleSP handle, d->handles) { int id = handleMap.size(); if (!handleMap.contains(handle)){ handleMap.insert(handle, id); } id = handleMap.value(handle); xml.writeStartElement("handle"); xml.writeAttribute("id", QString::number(id)); xml.writeAttribute("x", QString::number(double(handle->x()), 'f', 3)); xml.writeAttribute("y", QString::number(double(handle->y()), 'f', 3)); xml.writeEndElement(); } xml.writeEndElement(); xml.writeEndElement(); xml.writeEndDocument(); return data; } void KisPaintingAssistant::loadXml(KoStore* store, QMap &handleMap, QString path) { int id; double x,y ; store->open(path); QByteArray data = store->read(store->size()); QXmlStreamReader xml(data); while (!xml.atEnd()) { switch (xml.readNext()) { case QXmlStreamReader::StartElement: if (xml.name() == "handle") { QString strId = xml.attributes().value("id").toString(), strX = xml.attributes().value("x").toString(), strY = xml.attributes().value("y").toString(); if (!strId.isEmpty() && !strX.isEmpty() && !strY.isEmpty()) { id = strId.toInt(); x = strX.toDouble(); y = strY.toDouble(); if (!handleMap.contains(id)) { handleMap.insert(id, new KisPaintingAssistantHandle(x, y)); } } addHandle(handleMap.value(id), HandleType::NORMAL); } break; default: break; } } store->close(); } void KisPaintingAssistant::saveXmlList(QDomDocument& doc, QDomElement& assistantsElement,int count) { if (d->id == "ellipse"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "ellipse"); assistantElement.setAttribute("filename", QString("ellipse%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "spline"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "spline"); assistantElement.setAttribute("filename", QString("spline%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "perspective"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "perspective"); assistantElement.setAttribute("filename", QString("perspective%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "vanishing point"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "vanishing point"); assistantElement.setAttribute("filename", QString("vanishing point%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "infinite ruler"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "infinite ruler"); assistantElement.setAttribute("filename", QString("infinite ruler%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "parallel ruler"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "parallel ruler"); assistantElement.setAttribute("filename", QString("parallel ruler%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "concentric ellipse"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "concentric ellipse"); assistantElement.setAttribute("filename", QString("concentric ellipse%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "fisheye-point"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "fisheye-point"); assistantElement.setAttribute("filename", QString("fisheye-point%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } else if (d->id == "ruler"){ QDomElement assistantElement = doc.createElement("assistant"); assistantElement.setAttribute("type", "ruler"); assistantElement.setAttribute("filename", QString("ruler%1.assistant").arg(count)); assistantsElement.appendChild(assistantElement); } } void KisPaintingAssistant::findPerspectiveAssistantHandleLocation() { QList hHandlesList; QList vHandlesList; uint vHole = 0,hHole = 0; KisPaintingAssistantHandleSP oppHandle; if (d->handles.size() == 4 && d->id == "perspective") { //get the handle opposite to the first handle oppHandle = oppHandleOne(); //Sorting handles into two list, X sorted and Y sorted into hHandlesList and vHandlesList respectively. Q_FOREACH (const KisPaintingAssistantHandleSP handle,d->handles) { hHandlesList.append(handle); hHole = hHandlesList.size() - 1; vHandlesList.append(handle); vHole = vHandlesList.size() - 1; /* sort handles on the basis of X-coordinate */ while(hHole > 0 && hHandlesList.at(hHole -1).data()->x() > handle.data()->x()) { hHandlesList.swap(hHole-1, hHole); hHole = hHole - 1; } /* sort handles on the basis of Y-coordinate */ while(vHole > 0 && vHandlesList.at(vHole -1).data()->y() > handle.data()->y()) { vHandlesList.swap(vHole-1, vHole); vHole = vHole - 1; } } /* give the handles their respective positions */ if(vHandlesList.at(0).data()->x() > vHandlesList.at(1).data()->x()) { d->topLeft = vHandlesList.at(1); d->topRight= vHandlesList.at(0); } else { d->topLeft = vHandlesList.at(0); d->topRight = vHandlesList.at(1); } if(vHandlesList.at(2).data()->x() > vHandlesList.at(3).data()->x()) { d->bottomLeft = vHandlesList.at(3); d->bottomRight = vHandlesList.at(2); } else { d->bottomLeft= vHandlesList.at(2); d->bottomRight = vHandlesList.at(3); } /* find if the handles that should be opposite are actually oppositely positioned */ if (( (d->topLeft == d->handles.at(0).data() && d->bottomRight == oppHandle) || (d->topLeft == oppHandle && d->bottomRight == d->handles.at(0).data()) || (d->topRight == d->handles.at(0).data() && d->bottomLeft == oppHandle) || (d->topRight == oppHandle && d->bottomLeft == d->handles.at(0).data()) ) ) {} else { if(hHandlesList.at(0).data()->y() > hHandlesList.at(1).data()->y()) { d->topLeft = hHandlesList.at(1); d->bottomLeft= hHandlesList.at(0); } else { d->topLeft = hHandlesList.at(0); d->bottomLeft = hHandlesList.at(1); } if(hHandlesList.at(2).data()->y() > hHandlesList.at(3).data()->y()) { d->topRight = hHandlesList.at(3); d->bottomRight = hHandlesList.at(2); } else { d->topRight= hHandlesList.at(2); d->bottomRight = hHandlesList.at(3); } } /* Setting the middle handles as needed */ if(!d->bottomMiddle && !d->topMiddle && !d->leftMiddle && !d->rightMiddle) { d->bottomMiddle = new KisPaintingAssistantHandle((d->bottomLeft.data()->x() + d->bottomRight.data()->x())*0.5, (d->bottomLeft.data()->y() + d->bottomRight.data()->y())*0.5); d->topMiddle = new KisPaintingAssistantHandle((d->topLeft.data()->x() + d->topRight.data()->x())*0.5, (d->topLeft.data()->y() + d->topRight.data()->y())*0.5); d->rightMiddle= new KisPaintingAssistantHandle((d->topRight.data()->x() + d->bottomRight.data()->x())*0.5, (d->topRight.data()->y() + d->bottomRight.data()->y())*0.5); d->leftMiddle= new KisPaintingAssistantHandle((d->bottomLeft.data()->x() + d->topLeft.data()->x())*0.5, (d->bottomLeft.data()->y() + d->topLeft.data()->y())*0.5); addHandle(d->rightMiddle.data(), HandleType::SIDE); addHandle(d->leftMiddle.data(), HandleType::SIDE); addHandle(d->bottomMiddle.data(), HandleType::SIDE); addHandle(d->topMiddle.data(), HandleType::SIDE); } else { d->bottomMiddle.data()->operator =(QPointF((d->bottomLeft.data()->x() + d->bottomRight.data()->x())*0.5, (d->bottomLeft.data()->y() + d->bottomRight.data()->y())*0.5)); d->topMiddle.data()->operator =(QPointF((d->topLeft.data()->x() + d->topRight.data()->x())*0.5, (d->topLeft.data()->y() + d->topRight.data()->y())*0.5)); d->rightMiddle.data()->operator =(QPointF((d->topRight.data()->x() + d->bottomRight.data()->x())*0.5, (d->topRight.data()->y() + d->bottomRight.data()->y())*0.5)); d->leftMiddle.data()->operator =(QPointF((d->bottomLeft.data()->x() + d->topLeft.data()->x())*0.5, (d->bottomLeft.data()->y() + d->topLeft.data()->y())*0.5)); } } } KisPaintingAssistantHandleSP KisPaintingAssistant::oppHandleOne() { QPointF intersection(0,0); if((QLineF(d->handles.at(0).data()->toPoint(),d->handles.at(1).data()->toPoint()).intersect(QLineF(d->handles.at(2).data()->toPoint(),d->handles.at(3).data()->toPoint()), &intersection) != QLineF::NoIntersection) && (QLineF(d->handles.at(0).data()->toPoint(),d->handles.at(1).data()->toPoint()).intersect(QLineF(d->handles.at(2).data()->toPoint(),d->handles.at(3).data()->toPoint()), &intersection) != QLineF::UnboundedIntersection)) { return d->handles.at(1); } else if((QLineF(d->handles.at(0).data()->toPoint(),d->handles.at(2).data()->toPoint()).intersect(QLineF(d->handles.at(1).data()->toPoint(),d->handles.at(3).data()->toPoint()), &intersection) != QLineF::NoIntersection) && (QLineF(d->handles.at(0).data()->toPoint(),d->handles.at(2).data()->toPoint()).intersect(QLineF(d->handles.at(1).data()->toPoint(),d->handles.at(3).data()->toPoint()), &intersection) != QLineF::UnboundedIntersection)) { return d->handles.at(2); } else { return d->handles.at(3); } } KisPaintingAssistantHandleSP KisPaintingAssistant::topLeft() { return d->topLeft; } const KisPaintingAssistantHandleSP KisPaintingAssistant::topLeft() const { return d->topLeft; } KisPaintingAssistantHandleSP KisPaintingAssistant::bottomLeft() { return d->bottomLeft; } const KisPaintingAssistantHandleSP KisPaintingAssistant::bottomLeft() const { return d->bottomLeft; } KisPaintingAssistantHandleSP KisPaintingAssistant::topRight() { return d->topRight; } const KisPaintingAssistantHandleSP KisPaintingAssistant::topRight() const { return d->topRight; } KisPaintingAssistantHandleSP KisPaintingAssistant::bottomRight() { return d->bottomRight; } const KisPaintingAssistantHandleSP KisPaintingAssistant::bottomRight() const { return d->bottomRight; } KisPaintingAssistantHandleSP KisPaintingAssistant::topMiddle() { return d->topMiddle; } const KisPaintingAssistantHandleSP KisPaintingAssistant::topMiddle() const { return d->topMiddle; } KisPaintingAssistantHandleSP KisPaintingAssistant::bottomMiddle() { return d->bottomMiddle; } const KisPaintingAssistantHandleSP KisPaintingAssistant::bottomMiddle() const { return d->bottomMiddle; } KisPaintingAssistantHandleSP KisPaintingAssistant::rightMiddle() { return d->rightMiddle; } const KisPaintingAssistantHandleSP KisPaintingAssistant::rightMiddle() const { return d->rightMiddle; } KisPaintingAssistantHandleSP KisPaintingAssistant::leftMiddle() { return d->leftMiddle; } const KisPaintingAssistantHandleSP KisPaintingAssistant::leftMiddle() const { return d->leftMiddle; } const QList& KisPaintingAssistant::handles() const { return d->handles; } QList KisPaintingAssistant::handles() { return d->handles; } const QList& KisPaintingAssistant::sideHandles() const { return d->sideHandles; } QList KisPaintingAssistant::sideHandles() { return d->sideHandles; } + + +bool KisPaintingAssistant::areTwoPointsClose(const QPointF& pointOne, const QPointF& pointTwo) +{ + int m_handleSize = 16; + + QRectF handlerect(pointTwo - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize)); + return handlerect.contains(pointOne); +} + +KisPaintingAssistantHandleSP KisPaintingAssistant::closestCornerHandleFromPoint(QPointF point) +{ + if (!d->m_canvas) { + return 0; + } + + + if (areTwoPointsClose(point, pixelToView(topLeft()->toPoint()))) { + return topLeft(); + } else if (areTwoPointsClose(point, pixelToView(topRight()->toPoint()))) { + return topRight(); + } else if (areTwoPointsClose(point, pixelToView(bottomLeft()->toPoint()))) { + return bottomLeft(); + } else if (areTwoPointsClose(point, pixelToView(bottomRight()->toPoint()))) { + return bottomRight(); + } + return 0; +} + + +QPointF KisPaintingAssistant::pixelToView(const QPoint pixelCoords) const +{ + QPointF documentCoord = d->m_canvas->image()->pixelToDocument(pixelCoords); + return d->m_canvas->viewConverter()->documentToView(documentCoord); +} + + + + +/* + * KisPaintingAssistantFactory classes +*/ + KisPaintingAssistantFactory::KisPaintingAssistantFactory() { } KisPaintingAssistantFactory::~KisPaintingAssistantFactory() { } KisPaintingAssistantFactoryRegistry::KisPaintingAssistantFactoryRegistry() { } KisPaintingAssistantFactoryRegistry::~KisPaintingAssistantFactoryRegistry() { Q_FOREACH (const QString &id, keys()) { delete get(id); } dbgRegistry << "deleting KisPaintingAssistantFactoryRegistry "; } KisPaintingAssistantFactoryRegistry* KisPaintingAssistantFactoryRegistry::instance() { return s_instance; } diff --git a/libs/ui/kis_painting_assistant.h b/libs/ui/kis_painting_assistant.h index 3d9256df8d..2d09683390 100644 --- a/libs/ui/kis_painting_assistant.h +++ b/libs/ui/kis_painting_assistant.h @@ -1,195 +1,208 @@ /* * Copyright (c) 2008 Cyrille Berger * * 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. */ #ifndef _KIS_PAINTING_ASSISTANT_H_ #define _KIS_PAINTING_ASSISTANT_H_ #include #include #include #include #include #include #include #include class QPainter; class QRect; class QRectF; class KoStore; class KisCoordinatesConverter; class KisCanvas2; class QDomDocument; class QDomElement; #include #include class KisPaintingAssistantHandle; typedef KisSharedPtr KisPaintingAssistantHandleSP; class KisPaintingAssistant; class QPainterPath; enum HandleType { NORMAL, SIDE, CORNER, VANISHING_POINT, ANCHOR }; /** * Represent an handle of the assistant, used to edit the parameters * of an assistants. Handles can be shared between assistants. */ class KRITAUI_EXPORT KisPaintingAssistantHandle : public QPointF, public KisShared { friend class KisPaintingAssistant; public: KisPaintingAssistantHandle(double x, double y); explicit KisPaintingAssistantHandle(QPointF p); KisPaintingAssistantHandle(const KisPaintingAssistantHandle&); ~KisPaintingAssistantHandle(); void mergeWith(KisPaintingAssistantHandleSP); void uncache(); KisPaintingAssistantHandle& operator=(const QPointF&); void setType(char type); char handleType(); private: void registerAssistant(KisPaintingAssistant*); void unregisterAssistant(KisPaintingAssistant*); bool containsAssistant(KisPaintingAssistant*); private: struct Private; Private* const d; }; /** * A KisPaintingAssistant is an object that assist the drawing on the canvas. * With this class you can implement virtual equivalent to ruler or compas. */ class KRITAUI_EXPORT KisPaintingAssistant { public: KisPaintingAssistant(const QString& id, const QString& name); virtual ~KisPaintingAssistant(); const QString& id() const; const QString& name() const; bool isSnappingActive() const; void setSnappingActive(bool set); /** * Adjust the position given in parameter. * @param point the coordinates in point in the document reference * @param strokeBegin the coordinates of the beginning of the stroke */ virtual QPointF adjustPosition(const QPointF& point, const QPointF& strokeBegin) = 0; virtual void endStroke() { } virtual QPointF buttonPosition() const = 0; virtual int numHandles() const = 0; void replaceHandle(KisPaintingAssistantHandleSP _handle, KisPaintingAssistantHandleSP _with); void addHandle(KisPaintingAssistantHandleSP handle, HandleType type); /// grabs the assistant color/opacity specified from the tool options /// each assistant might have to use this differently, so just save a reference void setAssistantColor(QColor color); virtual void drawAssistant(QPainter& gc, const QRectF& updateRect, const KisCoordinatesConverter *converter, bool cached = true,KisCanvas2 *canvas=0, bool assistantVisible=true, bool previewVisible=true); void uncache(); const QList& handles() const; QList handles(); const QList& sideHandles() const; QList sideHandles(); QByteArray saveXml( QMap &handleMap); void loadXml(KoStore *store, QMap &handleMap, QString path); void saveXmlList(QDomDocument& doc, QDomElement& ssistantsElement, int count); void findPerspectiveAssistantHandleLocation(); KisPaintingAssistantHandleSP oppHandleOne(); /** * Get the topLeft, bottomLeft, topRight and BottomRight corners of the assistant * Some assistants like the perspective grid have custom logic built around certain handles */ const KisPaintingAssistantHandleSP topLeft() const; KisPaintingAssistantHandleSP topLeft(); const KisPaintingAssistantHandleSP topRight() const; KisPaintingAssistantHandleSP topRight(); const KisPaintingAssistantHandleSP bottomLeft() const; KisPaintingAssistantHandleSP bottomLeft(); const KisPaintingAssistantHandleSP bottomRight() const; KisPaintingAssistantHandleSP bottomRight(); const KisPaintingAssistantHandleSP topMiddle() const; KisPaintingAssistantHandleSP topMiddle(); const KisPaintingAssistantHandleSP rightMiddle() const; KisPaintingAssistantHandleSP rightMiddle(); const KisPaintingAssistantHandleSP leftMiddle() const; KisPaintingAssistantHandleSP leftMiddle(); const KisPaintingAssistantHandleSP bottomMiddle() const; KisPaintingAssistantHandleSP bottomMiddle(); + + // calculates whether a point is near one of the corner points of the assistant + // returns: a corner point from the perspective assistant if the given node is close + // only called once in code when calculating the perspective assistant + KisPaintingAssistantHandleSP closestCornerHandleFromPoint(QPointF point); + + // determines if two points are close to each other + // only used by the nodeNearPoint function (perspective grid assistant). + bool areTwoPointsClose(const QPointF& pointOne, const QPointF& pointTwo); + + public: /** * This will render the final output. The drawCache does rendering most of the time so be sure to check that */ void drawPath(QPainter& painter, const QPainterPath& path, bool drawActive=true); void drawPreview(QPainter& painter, const QPainterPath& path); protected: virtual QRect boundingRect() const; /// performance layer where the graphics can be drawn from a cache instead of generated every render update virtual void drawCache(QPainter& gc, const KisCoordinatesConverter *converter, bool assistantVisible=true) = 0; void initHandles(QList _handles); QList m_handles; + QPointF pixelToView(const QPoint pixelCoords) const; + private: struct Private; Private* const d; }; /** * Allow to create a painting assistant. */ class KRITAUI_EXPORT KisPaintingAssistantFactory { public: KisPaintingAssistantFactory(); virtual ~KisPaintingAssistantFactory(); virtual QString id() const = 0; virtual QString name() const = 0; virtual KisPaintingAssistant* createPaintingAssistant() const = 0; }; class KRITAUI_EXPORT KisPaintingAssistantFactoryRegistry : public KoGenericRegistry { public: KisPaintingAssistantFactoryRegistry(); ~KisPaintingAssistantFactoryRegistry() override; static KisPaintingAssistantFactoryRegistry* instance(); }; #endif diff --git a/plugins/assistants/Assistants/kis_assistant_tool.cc b/plugins/assistants/Assistants/kis_assistant_tool.cc index 050d13ee94..716bdf711c 100644 --- a/plugins/assistants/Assistants/kis_assistant_tool.cc +++ b/plugins/assistants/Assistants/kis_assistant_tool.cc @@ -1,951 +1,932 @@ /* * Copyright (c) 2008 Cyrille Berger * Copyright (c) 2010 Geoffry Song * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; version 2.1 of the License. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "kis_global.h" #include KisAssistantTool::KisAssistantTool(KoCanvasBase * canvas) : KisTool(canvas, KisCursor::arrowCursor()), m_canvas(dynamic_cast(canvas)), m_assistantDrag(0), m_newAssistant(0), m_optionsWidget(0) { Q_ASSERT(m_canvas); setObjectName("tool_assistanttool"); } KisAssistantTool::~KisAssistantTool() { } void KisAssistantTool::activate(ToolActivation toolActivation, const QSet &shapes) { // Add code here to initialize your tool when it got activated KisTool::activate(toolActivation, shapes); m_canvas->paintingAssistantsDecoration()->activateAssistantsEditor(); m_handles = m_canvas->paintingAssistantsDecoration()->handles(); repaintDecorations(); m_handleDrag = 0; m_internalMode = MODE_CREATION; m_assistantHelperYOffset = 10; m_iconDelete = KisIconUtils::loadIcon("dialog-cancel").pixmap(16, 16); m_iconSnapOn = KisIconUtils::loadIcon("visible").pixmap(16, 16); m_iconSnapOff = KisIconUtils::loadIcon("novisible").pixmap(16, 16); m_iconMove = KisIconUtils::loadIcon("transform-move").pixmap(32, 32); m_handleSize = 17; } void KisAssistantTool::deactivate() { m_canvas->paintingAssistantsDecoration()->deactivateAssistantsEditor(); repaintDecorations(); // helps with updating assistant decoration to a non-editor look KisTool::deactivate(); } void KisAssistantTool::beginPrimaryAction(KoPointerEvent *event) { setMode(KisTool::PAINT_MODE); bool newAssistantAllowed = true; if (m_newAssistant) { m_internalMode = MODE_CREATION; *m_newAssistant->handles().back() = snapToGuide(event, QPointF(), false); if (m_newAssistant->handles().size() == m_newAssistant->numHandles()) { addAssistant(); } else { m_newAssistant->addHandle(new KisPaintingAssistantHandle(snapToGuide(event, QPointF(), false)), HandleType::NORMAL); } m_canvas->updateCanvas(); return; } m_handleDrag = 0; double minDist = 81.0; QPointF mousePos = m_canvas->viewConverter()->documentToView(snapToGuide(event, QPointF(), false));//m_canvas->viewConverter()->documentToView(event->point); Q_FOREACH (KisPaintingAssistantSP assistant, m_canvas->paintingAssistantsDecoration()->assistants()) { Q_FOREACH (const KisPaintingAssistantHandleSP handle, m_handles) { double dist = norm2(mousePos - m_canvas->viewConverter()->documentToView(*handle)); if (dist < minDist) { minDist = dist; m_handleDrag = handle; } } if(m_handleDrag && assistant->id() == "perspective") { // Look for the handle which was pressed if (m_handleDrag == assistant->topLeft()) { double dist = norm2(mousePos - m_canvas->viewConverter()->documentToView(*m_handleDrag)); if (dist < minDist) { minDist = dist; } m_dragStart = QPointF(assistant->topRight().data()->x(),assistant->topRight().data()->y()); m_internalMode = MODE_DRAGGING_NODE; } else if (m_handleDrag == assistant->topRight()) { double dist = norm2(mousePos - m_canvas->viewConverter()->documentToView(*m_handleDrag)); if (dist < minDist) { minDist = dist; } m_internalMode = MODE_DRAGGING_NODE; m_dragStart = QPointF(assistant->topLeft().data()->x(),assistant->topLeft().data()->y()); } else if (m_handleDrag == assistant->bottomLeft()) { double dist = norm2(mousePos - m_canvas->viewConverter()->documentToView(*m_handleDrag)); if (dist < minDist) { minDist = dist; } m_internalMode = MODE_DRAGGING_NODE; m_dragStart = QPointF(assistant->bottomRight().data()->x(),assistant->bottomRight().data()->y()); } else if (m_handleDrag == assistant->bottomRight()) { double dist = norm2(mousePos - m_canvas->viewConverter()->documentToView(*m_handleDrag)); if (dist < minDist) { minDist = dist; } m_internalMode = MODE_DRAGGING_NODE; m_dragStart = QPointF(assistant->bottomLeft().data()->x(),assistant->bottomLeft().data()->y()); } else if (m_handleDrag == assistant->leftMiddle()) { m_internalMode = MODE_DRAGGING_TRANSLATING_TWONODES; m_dragStart = QPointF((assistant->bottomLeft().data()->x()+assistant->topLeft().data()->x())*0.5, (assistant->bottomLeft().data()->y()+assistant->topLeft().data()->y())*0.5); m_selectedNode1 = new KisPaintingAssistantHandle(assistant->topLeft().data()->x(),assistant->topLeft().data()->y()); m_selectedNode2 = new KisPaintingAssistantHandle(assistant->bottomLeft().data()->x(),assistant->bottomLeft().data()->y()); m_newAssistant = toQShared(KisPaintingAssistantFactoryRegistry::instance()->get("perspective")->createPaintingAssistant()); m_newAssistant->addHandle(assistant->topLeft(), HandleType::NORMAL ); m_newAssistant->addHandle(m_selectedNode1, HandleType::NORMAL); m_newAssistant->addHandle(m_selectedNode2, HandleType::NORMAL); m_newAssistant->addHandle(assistant->bottomLeft(), HandleType::NORMAL); m_dragEnd = event->point; m_handleDrag = 0; m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas return; } else if (m_handleDrag == assistant->rightMiddle()) { m_dragStart = QPointF((assistant->topRight().data()->x()+assistant->bottomRight().data()->x())*0.5, (assistant->topRight().data()->y()+assistant->bottomRight().data()->y())*0.5); m_internalMode = MODE_DRAGGING_TRANSLATING_TWONODES; m_selectedNode1 = new KisPaintingAssistantHandle(assistant->topRight().data()->x(),assistant->topRight().data()->y()); m_selectedNode2 = new KisPaintingAssistantHandle(assistant->bottomRight().data()->x(),assistant->bottomRight().data()->y()); m_newAssistant = toQShared(KisPaintingAssistantFactoryRegistry::instance()->get("perspective")->createPaintingAssistant()); m_newAssistant->addHandle(assistant->topRight(), HandleType::NORMAL); m_newAssistant->addHandle(m_selectedNode1, HandleType::NORMAL); m_newAssistant->addHandle(m_selectedNode2, HandleType::NORMAL); m_newAssistant->addHandle(assistant->bottomRight(), HandleType::NORMAL); m_dragEnd = event->point; m_handleDrag = 0; m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas return; } else if (m_handleDrag == assistant->topMiddle()) { m_dragStart = QPointF((assistant->topLeft().data()->x()+assistant->topRight().data()->x())*0.5, (assistant->topLeft().data()->y()+assistant->topRight().data()->y())*0.5); m_internalMode = MODE_DRAGGING_TRANSLATING_TWONODES; m_selectedNode1 = new KisPaintingAssistantHandle(assistant->topLeft().data()->x(),assistant->topLeft().data()->y()); m_selectedNode2 = new KisPaintingAssistantHandle(assistant->topRight().data()->x(),assistant->topRight().data()->y()); m_newAssistant = toQShared(KisPaintingAssistantFactoryRegistry::instance()->get("perspective")->createPaintingAssistant()); m_newAssistant->addHandle(m_selectedNode1, HandleType::NORMAL); m_newAssistant->addHandle(m_selectedNode2, HandleType::NORMAL); m_newAssistant->addHandle(assistant->topRight(), HandleType::NORMAL); m_newAssistant->addHandle(assistant->topLeft(), HandleType::NORMAL); m_dragEnd = event->point; m_handleDrag = 0; m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas return; } else if (m_handleDrag == assistant->bottomMiddle()) { m_dragStart = QPointF((assistant->bottomLeft().data()->x()+assistant->bottomRight().data()->x())*0.5, (assistant->bottomLeft().data()->y()+assistant->bottomRight().data()->y())*0.5); m_internalMode = MODE_DRAGGING_TRANSLATING_TWONODES; m_selectedNode1 = new KisPaintingAssistantHandle(assistant->bottomLeft().data()->x(),assistant->bottomLeft().data()->y()); m_selectedNode2 = new KisPaintingAssistantHandle(assistant->bottomRight().data()->x(),assistant->bottomRight().data()->y()); m_newAssistant = toQShared(KisPaintingAssistantFactoryRegistry::instance()->get("perspective")->createPaintingAssistant()); m_newAssistant->addHandle(assistant->bottomLeft(), HandleType::NORMAL); m_newAssistant->addHandle(assistant->bottomRight(), HandleType::NORMAL); m_newAssistant->addHandle(m_selectedNode2, HandleType::NORMAL); m_newAssistant->addHandle(m_selectedNode1, HandleType::NORMAL); m_dragEnd = event->point; m_handleDrag = 0; m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas return; } m_snapIsRadial = false; } else if (m_handleDrag && assistant->handles().size()>1 && (assistant->id() == "ruler" || assistant->id() == "parallel ruler" || assistant->id() == "infinite ruler" || assistant->id() == "spline")){ if (m_handleDrag == assistant->handles()[0]) { m_dragStart = *assistant->handles()[1]; } else if (m_handleDrag == assistant->handles()[1]) { m_dragStart = *assistant->handles()[0]; } else if(assistant->handles().size()==4){ if (m_handleDrag == assistant->handles()[2]) { m_dragStart = *assistant->handles()[0]; } else if (m_handleDrag == assistant->handles()[3]) { m_dragStart = *assistant->handles()[1]; } } m_snapIsRadial = false; } else if (m_handleDrag && assistant->handles().size()>2 && (assistant->id() == "ellipse" || assistant->id() == "concentric ellipse" || assistant->id() == "fisheye-point")){ m_snapIsRadial = false; if (m_handleDrag == assistant->handles()[0]) { m_dragStart = *assistant->handles()[1]; } else if (m_handleDrag == assistant->handles()[1]) { m_dragStart = *assistant->handles()[0]; } else if (m_handleDrag == assistant->handles()[2]) { m_dragStart = assistant->buttonPosition(); m_radius = QLineF(m_dragStart, *assistant->handles()[0]); m_snapIsRadial = true; } } else { m_dragStart = assistant->buttonPosition(); m_snapIsRadial = false; } } if (m_handleDrag) { // TODO: Shift-press should now be handled using the alternate actions // if (event->modifiers() & Qt::ShiftModifier) { // m_handleDrag->uncache(); // m_handleDrag = m_handleDrag->split()[0]; // m_handles = m_canvas->view()->paintingAssistantsDecoration()->handles(); // } m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas return; } m_assistantDrag.clear(); Q_FOREACH (KisPaintingAssistantSP assistant, m_canvas->paintingAssistantsDecoration()->assistants()) { // This code contains the click event behavior. The actual display of the icons are done at the bottom // of the paint even. Make sure the rectangles positions are the same between the two. // TODO: These 6 lines are duplicated below in the paint layer. It shouldn't be done like this. QPointF actionsPosition = m_canvas->viewConverter()->documentToView(assistant->buttonPosition()); QPointF iconDeletePosition(actionsPosition + QPointF(78, m_assistantHelperYOffset + 7)); QPointF iconSnapPosition(actionsPosition + QPointF(54, m_assistantHelperYOffset + 7)); QPointF iconMovePosition(actionsPosition + QPointF(15, m_assistantHelperYOffset)); QRectF deleteRect(iconDeletePosition, QSizeF(16, 16)); QRectF visibleRect(iconSnapPosition, QSizeF(16, 16)); QRectF moveRect(iconMovePosition, QSizeF(32, 32)); if (moveRect.contains(mousePos)) { m_assistantDrag = assistant; m_cursorStart = event->point; m_currentAdjustment = QPointF(); m_internalMode = MODE_EDITING; return; } if (deleteRect.contains(mousePos)) { removeAssistant(assistant); if(m_canvas->paintingAssistantsDecoration()->assistants().isEmpty()) { m_internalMode = MODE_CREATION; } else m_internalMode = MODE_EDITING; m_canvas->updateCanvas(); return; } if (visibleRect.contains(mousePos)) { newAssistantAllowed = false; assistant->setSnappingActive(!assistant->isSnappingActive()); // toggle assistant->uncache();//this updates the chache of the assistant, very important. } } if (newAssistantAllowed==true){//don't make a new assistant when I'm just toogling visiblity// QString key = m_options.availableAssistantsComboBox->model()->index( m_options.availableAssistantsComboBox->currentIndex(), 0 ).data(Qt::UserRole).toString(); m_newAssistant = toQShared(KisPaintingAssistantFactoryRegistry::instance()->get(key)->createPaintingAssistant()); m_internalMode = MODE_CREATION; m_newAssistant->addHandle(new KisPaintingAssistantHandle(snapToGuide(event, QPointF(), false)), HandleType::NORMAL); if (m_newAssistant->numHandles() <= 1) { if (key == "vanishing point"){ m_newAssistant->addHandle(new KisPaintingAssistantHandle(event->point+QPointF(-70,0)), HandleType::SIDE); m_newAssistant->addHandle(new KisPaintingAssistantHandle(event->point+QPointF(-140,0)), HandleType::SIDE); m_newAssistant->addHandle(new KisPaintingAssistantHandle(event->point+QPointF(70,0)), HandleType::SIDE); m_newAssistant->addHandle(new KisPaintingAssistantHandle(event->point+QPointF(140,0)), HandleType::SIDE); } addAssistant(); } else { m_newAssistant->addHandle(new KisPaintingAssistantHandle(snapToGuide(event, QPointF(), false)), HandleType::NORMAL); } } m_canvas->updateCanvas(); } void KisAssistantTool::continuePrimaryAction(KoPointerEvent *event) { if (m_handleDrag) { *m_handleDrag = event->point; //ported from the gradient tool... we need to think about this more in the future. if (event->modifiers() == Qt::ShiftModifier && m_snapIsRadial) { QLineF dragRadius = QLineF(m_dragStart, event->point); dragRadius.setLength(m_radius.length()); *m_handleDrag = dragRadius.p2(); } else if (event->modifiers() == Qt::ShiftModifier ) { QPointF move = snapToClosestAxis(event->point - m_dragStart); *m_handleDrag = m_dragStart + move; } else { *m_handleDrag = snapToGuide(event, QPointF(), false); } m_handleDrag->uncache(); m_handleCombine = 0; if (!(event->modifiers() & Qt::ShiftModifier)) { double minDist = 49.0; QPointF mousePos = m_canvas->viewConverter()->documentToView(event->point); Q_FOREACH (const KisPaintingAssistantHandleSP handle, m_handles) { if (handle == m_handleDrag) continue; double dist = norm2(mousePos - m_canvas->viewConverter()->documentToView(*handle)); if (dist < minDist) { minDist = dist; m_handleCombine = handle; } } } m_canvas->updateCanvas(); } else if (m_assistantDrag) { QPointF newAdjustment = snapToGuide(event, QPointF(), false) - m_cursorStart; if (event->modifiers() == Qt::ShiftModifier ) { newAdjustment = snapToClosestAxis(newAdjustment); } Q_FOREACH (KisPaintingAssistantHandleSP handle, m_assistantDrag->handles()) { *handle += (newAdjustment - m_currentAdjustment); } if (m_assistantDrag->id()== "vanishing point"){ Q_FOREACH (KisPaintingAssistantHandleSP handle, m_assistantDrag->sideHandles()) { *handle += (newAdjustment - m_currentAdjustment); } } m_currentAdjustment = newAdjustment; m_canvas->updateCanvas(); } else { event->ignore(); } bool wasHiglightedNode = m_higlightedNode != 0; QPointF mousep = m_canvas->viewConverter()->documentToView(event->point); QList pAssistant= m_canvas->paintingAssistantsDecoration()->assistants(); - Q_FOREACH (KisPaintingAssistantSP assistant, pAssistant) { + + Q_FOREACH (KisPaintingAssistantSP assistant, pAssistant) { if(assistant->id() == "perspective") { - if ((m_higlightedNode = nodeNearPoint(assistant, mousep))) { + if ((m_higlightedNode = assistant->closestCornerHandleFromPoint(mousep))) { if (m_higlightedNode == m_selectedNode1 || m_higlightedNode == m_selectedNode2) { m_higlightedNode = 0; } else { m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas break; } } } //this following bit sets the translations for the vanishing-point handles. if(m_handleDrag && assistant->id() == "vanishing point" && assistant->sideHandles().size()==4) { //for inner handles, the outer handle gets translated. if (m_handleDrag == assistant->sideHandles()[0]) { QLineF perspectiveline = QLineF(*assistant->handles()[0], *assistant->sideHandles()[0]); qreal length = QLineF(*assistant->sideHandles()[0], *assistant->sideHandles()[1]).length(); if (length < 2.0){ length = 2.0; } length += perspectiveline.length(); perspectiveline.setLength(length); *assistant->sideHandles()[1] = perspectiveline.p2(); } else if (m_handleDrag == assistant->sideHandles()[2]){ QLineF perspectiveline = QLineF(*assistant->handles()[0], *assistant->sideHandles()[2]); qreal length = QLineF(*assistant->sideHandles()[2], *assistant->sideHandles()[3]).length(); if (length<2.0){ length=2.0; } length += perspectiveline.length(); perspectiveline.setLength(length); *assistant->sideHandles()[3] = perspectiveline.p2(); } // for outer handles, only the vanishing point is translated, but only if there's an intersection. else if (m_handleDrag == assistant->sideHandles()[1]|| m_handleDrag == assistant->sideHandles()[3]){ QPointF vanishingpoint(0,0); QLineF perspectiveline = QLineF(*assistant->sideHandles()[0], *assistant->sideHandles()[1]); QLineF perspectiveline2 = QLineF(*assistant->sideHandles()[2], *assistant->sideHandles()[3]); if (QLineF(perspectiveline2).intersect(QLineF(perspectiveline), &vanishingpoint) != QLineF::NoIntersection){ *assistant->handles()[0] = vanishingpoint; } }// and for the vanishing point itself, only the outer handles get translated. else if (m_handleDrag == assistant->handles()[0]){ QLineF perspectiveline = QLineF(*assistant->handles()[0], *assistant->sideHandles()[0]); QLineF perspectiveline2 = QLineF(*assistant->handles()[0], *assistant->sideHandles()[2]); qreal length = QLineF(*assistant->sideHandles()[0], *assistant->sideHandles()[1]).length(); qreal length2 = QLineF(*assistant->sideHandles()[2], *assistant->sideHandles()[3]).length(); if (length < 2.0) { length = 2.0; } if (length2 < 2.0) { length2=2.0; } length += perspectiveline.length(); length2 += perspectiveline2.length(); perspectiveline.setLength(length); perspectiveline2.setLength(length2); *assistant->sideHandles()[1] = perspectiveline.p2(); *assistant->sideHandles()[3] = perspectiveline2.p2(); } } } if (wasHiglightedNode && !m_higlightedNode) { m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas } } void KisAssistantTool::endPrimaryAction(KoPointerEvent *event) { setMode(KisTool::HOVER_MODE); if (m_handleDrag) { if (!(event->modifiers() & Qt::ShiftModifier) && m_handleCombine) { m_handleCombine->mergeWith(m_handleDrag); m_handleCombine->uncache(); m_handles = m_canvas->paintingAssistantsDecoration()->handles(); } m_handleDrag = m_handleCombine = 0; m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas } else if (m_assistantDrag) { m_assistantDrag.clear(); m_canvas->updateCanvas(); // TODO update only the relevant part of the canvas } else if(m_internalMode == MODE_DRAGGING_TRANSLATING_TWONODES) { addAssistant(); m_internalMode = MODE_CREATION; m_canvas->updateCanvas(); } else { event->ignore(); } } void KisAssistantTool::addAssistant() { m_canvas->paintingAssistantsDecoration()->addAssistant(m_newAssistant); m_handles = m_canvas->paintingAssistantsDecoration()->handles(); KisAbstractPerspectiveGrid* grid = dynamic_cast(m_newAssistant.data()); if (grid) { m_canvas->viewManager()->resourceProvider()->addPerspectiveGrid(grid); } m_newAssistant.clear(); } void KisAssistantTool::removeAssistant(KisPaintingAssistantSP assistant) { KisAbstractPerspectiveGrid* grid = dynamic_cast(assistant.data()); if (grid) { m_canvas->viewManager()->resourceProvider()->removePerspectiveGrid(grid); } m_canvas->paintingAssistantsDecoration()->removeAssistant(assistant); m_handles = m_canvas->paintingAssistantsDecoration()->handles(); } void KisAssistantTool::mouseMoveEvent(KoPointerEvent *event) { if (m_newAssistant && m_internalMode == MODE_CREATION) { *m_newAssistant->handles().back() = event->point; m_canvas->updateCanvas(); } else if (m_newAssistant && m_internalMode == MODE_DRAGGING_TRANSLATING_TWONODES) { QPointF translate = event->point - m_dragEnd;; m_dragEnd = event->point; m_selectedNode1.data()->operator = (QPointF(m_selectedNode1.data()->x(),m_selectedNode1.data()->y()) + translate); m_selectedNode2.data()->operator = (QPointF(m_selectedNode2.data()->x(),m_selectedNode2.data()->y()) + translate); m_canvas->updateCanvas(); } } void KisAssistantTool::paint(QPainter& _gc, const KoViewConverter &_converter) { QRectF canvasSize = QRectF(QPointF(0, 0), QSizeF(m_canvas->image()->size())); QColor assistantColor = m_canvas->paintingAssistantsDecoration()->assistantsColor(); QBrush fillAssistantColorBrush; fillAssistantColorBrush.setColor(m_canvas->paintingAssistantsDecoration()->assistantsColor()); // show special display while a new assistant is in the process of being created if (m_newAssistant) { m_newAssistant->setAssistantColor(assistantColor); m_newAssistant->drawAssistant(_gc, canvasSize, m_canvas->coordinatesConverter(), false,m_canvas, true, false); Q_FOREACH (const KisPaintingAssistantHandleSP handle, m_newAssistant->handles()) { QPainterPath path; path.addEllipse(QRectF(_converter.documentToView(*handle) - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize))); _gc.save(); _gc.setPen(Qt::NoPen); _gc.setBrush(assistantColor); _gc.drawPath(path); _gc.restore(); } } Q_FOREACH (KisPaintingAssistantSP assistant, m_canvas->paintingAssistantsDecoration()->assistants()) { // Draw corner and middle handles Q_FOREACH (const KisPaintingAssistantHandleSP handle, m_handles) { QRectF ellipse(_converter.documentToView(*handle) - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize)); // render handles when they are being dragged and moved if (handle == m_handleDrag || handle == m_handleCombine) { _gc.save(); _gc.setPen(Qt::NoPen); _gc.setBrush(assistantColor); _gc.drawEllipse(ellipse); _gc.restore(); } QPainterPath path; path.addEllipse(ellipse); _gc.save(); _gc.setPen(Qt::NoPen); _gc.setBrush(assistantColor); _gc.drawPath(path); _gc.restore(); } // Draw middle perspective handles (this should probably be moved) if(assistant->id()=="perspective") { assistant->findPerspectiveAssistantHandleLocation(); QPointF topMiddle, bottomMiddle, rightMiddle, leftMiddle; topMiddle = (_converter.documentToView(*assistant->topLeft()) + _converter.documentToView(*assistant->topRight()))*0.5; bottomMiddle = (_converter.documentToView(*assistant->bottomLeft()) + _converter.documentToView(*assistant->bottomRight()))*0.5; rightMiddle = (_converter.documentToView(*assistant->topRight()) + _converter.documentToView(*assistant->bottomRight()))*0.5; leftMiddle = (_converter.documentToView(*assistant->topLeft()) + _converter.documentToView(*assistant->bottomLeft()))*0.5; QPainterPath path; path.addEllipse(QRectF(leftMiddle - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize))); path.addEllipse(QRectF(topMiddle - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize))); path.addEllipse(QRectF(rightMiddle - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize))); path.addEllipse(QRectF(bottomMiddle - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize))); assistant->drawPath(_gc, path); } // draw editor specific controls for the assistant (this probably should be moved) if(assistant->id()=="vanishing point") { if (assistant->sideHandles().size() == 4) { // Draw the line QPointF p0 = _converter.documentToView(*assistant->handles()[0]); QPointF p1 = _converter.documentToView(*assistant->sideHandles()[0]); QPointF p2 = _converter.documentToView(*assistant->sideHandles()[1]); QPointF p3 = _converter.documentToView(*assistant->sideHandles()[2]); QPointF p4 = _converter.documentToView(*assistant->sideHandles()[3]); // Draw control lines // setting it here updates the vanishing point lines to correct color // this should probably move to vanishing point assistant class where everything else is done QPen penStyle(m_canvas->paintingAssistantsDecoration()->assistantsColor(), 2.0, Qt::SolidLine); _gc.save(); _gc.setPen(penStyle); _gc.drawLine(p0, p1); _gc.drawLine(p0, p3); _gc.drawLine(p1, p2); _gc.drawLine(p3, p4); _gc.restore(); } } drawEditorWidget(assistant, _gc); } } void KisAssistantTool::removeAllAssistants() { m_canvas->viewManager()->resourceProvider()->clearPerspectiveGrids(); m_canvas->paintingAssistantsDecoration()->removeAll(); m_handles = m_canvas->paintingAssistantsDecoration()->handles(); m_canvas->updateCanvas(); } void KisAssistantTool::loadAssistants() { KoFileDialog dialog(m_canvas->viewManager()->mainWindow(), KoFileDialog::OpenFile, "OpenAssistant"); dialog.setCaption(i18n("Select an Assistant")); dialog.setDefaultDir(QStandardPaths::writableLocation(QStandardPaths::PicturesLocation)); dialog.setMimeTypeFilters(QStringList() << "application/x-krita-assistant", "application/x-krita-assistant"); QString filename = dialog.filename(); if (filename.isEmpty()) return; if (!QFileInfo(filename).exists()) return; QFile file(filename); file.open(QIODevice::ReadOnly); QByteArray data = file.readAll(); QXmlStreamReader xml(data); QMap handleMap; KisPaintingAssistantSP assistant; bool errors = false; while (!xml.atEnd()) { switch (xml.readNext()) { case QXmlStreamReader::StartElement: if (xml.name() == "handle") { if (assistant && !xml.attributes().value("ref").isEmpty()) { KisPaintingAssistantHandleSP handle = handleMap.value(xml.attributes().value("ref").toString().toInt()); if (handle) { assistant->addHandle(handle, HandleType::NORMAL); } else { errors = true; } } else { QString strId = xml.attributes().value("id").toString(), strX = xml.attributes().value("x").toString(), strY = xml.attributes().value("y").toString(); if (!strId.isEmpty() && !strX.isEmpty() && !strY.isEmpty()) { int id = strId.toInt(); double x = strX.toDouble(), y = strY.toDouble(); if (!handleMap.contains(id)) { handleMap.insert(id, new KisPaintingAssistantHandle(x, y)); } else { errors = true; } } else { errors = true; } } } else if (xml.name() == "assistant") { const KisPaintingAssistantFactory* factory = KisPaintingAssistantFactoryRegistry::instance()->get(xml.attributes().value("type").toString()); if (factory) { if (assistant) { errors = true; assistant.clear(); } assistant = toQShared(factory->createPaintingAssistant()); } else { errors = true; } } break; case QXmlStreamReader::EndElement: if (xml.name() == "assistant") { if (assistant) { if (assistant->handles().size() == assistant->numHandles()) { if (assistant->id() == "vanishing point"){ //ideally we'd save and load side-handles as well, but this is all I've got// QPointF pos = *assistant->handles()[0]; assistant->addHandle(new KisPaintingAssistantHandle(pos+QPointF(-70,0)), HandleType::SIDE); assistant->addHandle(new KisPaintingAssistantHandle(pos+QPointF(-140,0)), HandleType::SIDE); assistant->addHandle(new KisPaintingAssistantHandle(pos+QPointF(70,0)), HandleType::SIDE); assistant->addHandle(new KisPaintingAssistantHandle(pos+QPointF(140,0)), HandleType::SIDE); } m_canvas->paintingAssistantsDecoration()->addAssistant(assistant); KisAbstractPerspectiveGrid* grid = dynamic_cast(assistant.data()); if (grid) { m_canvas->viewManager()->resourceProvider()->addPerspectiveGrid(grid); } } else { errors = true; } assistant.clear(); } } break; default: break; } } if (assistant) { errors = true; assistant.clear(); } if (xml.hasError()) { QMessageBox::warning(0, i18nc("@title:window", "Krita"), xml.errorString()); } if (errors) { QMessageBox::warning(0, i18nc("@title:window", "Krita"), i18n("Errors were encountered. Not all assistants were successfully loaded.")); } m_handles = m_canvas->paintingAssistantsDecoration()->handles(); m_canvas->updateCanvas(); } void KisAssistantTool::saveAssistants() { if (m_handles.isEmpty()) return; QByteArray data; QXmlStreamWriter xml(&data); xml.writeStartDocument(); xml.writeStartElement("paintingassistant"); xml.writeStartElement("handles"); QMap handleMap; Q_FOREACH (const KisPaintingAssistantHandleSP handle, m_handles) { int id = handleMap.size(); handleMap.insert(handle, id); xml.writeStartElement("handle"); //xml.writeAttribute("type", handle->handleType()); xml.writeAttribute("id", QString::number(id)); xml.writeAttribute("x", QString::number(double(handle->x()), 'f', 3)); xml.writeAttribute("y", QString::number(double(handle->y()), 'f', 3)); xml.writeEndElement(); } xml.writeEndElement(); xml.writeStartElement("assistants"); Q_FOREACH (const KisPaintingAssistantSP assistant, m_canvas->paintingAssistantsDecoration()->assistants()) { xml.writeStartElement("assistant"); xml.writeAttribute("type", assistant->id()); xml.writeStartElement("handles"); Q_FOREACH (const KisPaintingAssistantHandleSP handle, assistant->handles()) { xml.writeStartElement("handle"); xml.writeAttribute("ref", QString::number(handleMap.value(handle))); xml.writeEndElement(); } xml.writeEndElement(); xml.writeEndElement(); } xml.writeEndElement(); xml.writeEndElement(); xml.writeEndDocument(); KoFileDialog dialog(m_canvas->viewManager()->mainWindow(), KoFileDialog::SaveFile, "OpenAssistant"); dialog.setCaption(i18n("Save Assistant")); dialog.setDefaultDir(QStandardPaths::writableLocation(QStandardPaths::PicturesLocation)); dialog.setMimeTypeFilters(QStringList() << "application/x-krita-assistant", "application/x-krita-assistant"); QString filename = dialog.filename(); if (filename.isEmpty()) return; QFile file(filename); file.open(QIODevice::WriteOnly); file.write(data); } QWidget *KisAssistantTool::createOptionWidget() { if (!m_optionsWidget) { m_optionsWidget = new QWidget; m_options.setupUi(m_optionsWidget); // See https://bugs.kde.org/show_bug.cgi?id=316896 QWidget *specialSpacer = new QWidget(m_optionsWidget); specialSpacer->setObjectName("SpecialSpacer"); specialSpacer->setFixedSize(0, 0); m_optionsWidget->layout()->addWidget(specialSpacer); m_options.loadAssistantButton->setIcon(KisIconUtils::loadIcon("document-open")); m_options.saveAssistantButton->setIcon(KisIconUtils::loadIcon("document-save")); m_options.deleteAllAssistantsButton->setIcon(KisIconUtils::loadIcon("edit-delete")); QList assistants; Q_FOREACH (const QString& key, KisPaintingAssistantFactoryRegistry::instance()->keys()) { QString name = KisPaintingAssistantFactoryRegistry::instance()->get(key)->name(); assistants << KoID(key, name); } std::sort(assistants.begin(), assistants.end(), KoID::compareNames); Q_FOREACH(const KoID &id, assistants) { m_options.availableAssistantsComboBox->addItem(id.name(), id.id()); } connect(m_options.saveAssistantButton, SIGNAL(clicked()), SLOT(saveAssistants())); connect(m_options.loadAssistantButton, SIGNAL(clicked()), SLOT(loadAssistants())); connect(m_options.deleteAllAssistantsButton, SIGNAL(clicked()), SLOT(removeAllAssistants())); connect(m_options.assistantsColor, SIGNAL(changed(const QColor&)), SLOT(slotAssistantsColorChanged(const QColor&))); connect(m_options.assistantsOpacitySlider, SIGNAL(sliderReleased()), SLOT(slotAssistantOpacityChanged())); m_options.assistantsColor->setColor(QColor(95, 228, 230, 255)); // converts 10% to 0-255 range // todo: replace 1000 with opacity slider value m_options.assistantsOpacitySlider->setValue(100); // 30% m_assistantsOpacity = m_options.assistantsOpacitySlider->value()*0.01; // storing as 0-1 for the display, but QColor will eventually need 0-255 QColor newColor = m_options.assistantsColor->color(); newColor.setAlpha(m_assistantsOpacity*255); m_canvas->paintingAssistantsDecoration()->setAssistantsColor(newColor); } return m_optionsWidget; } void KisAssistantTool::slotAssistantsColorChanged(const QColor& setColor) { // color and alpha are stored separately, so we need to merge the values before sending it on QColor newColor = setColor; newColor.setAlpha(m_assistantsOpacity*255); m_canvas->paintingAssistantsDecoration()->setAssistantsColor(newColor); m_canvas->canvasWidget()->update(); } void KisAssistantTool::slotAssistantOpacityChanged() { QColor newColor = m_canvas->paintingAssistantsDecoration()->assistantsColor(); m_assistantsOpacity = m_options.assistantsOpacitySlider->value()*0.01; newColor.setAlpha(m_assistantsOpacity*255); m_canvas->paintingAssistantsDecoration()->setAssistantsColor(newColor); m_canvas->canvasWidget()->update(); } /* * functions only used interally in this class * we potentially could make some of these inline to speed up performance */ void KisAssistantTool::drawEditorWidget(KisPaintingAssistantSP assistant, QPainter& _gc) { // We are going to put all of the assistant actions below the bounds of the assistant // so they are out of the way // assistant->buttonPosition() gets the center X/Y position point QPointF actionsPosition = m_canvas->viewConverter()->documentToView(assistant->buttonPosition()); QPointF iconDeletePosition(actionsPosition + QPointF(78, m_assistantHelperYOffset + 7)); QPointF iconSnapPosition(actionsPosition + QPointF(54, m_assistantHelperYOffset + 7)); QPointF iconMovePosition(actionsPosition + QPointF(15, m_assistantHelperYOffset )); // Background container for helpers QBrush backgroundColor = m_canvas->viewManager()->mainWindow()->palette().window(); QPointF actionsBGRectangle(actionsPosition + QPointF(25, m_assistantHelperYOffset)); _gc.setRenderHint(QPainter::Antialiasing); QPainterPath bgPath; bgPath.addRoundedRect(QRectF(actionsBGRectangle.x(), actionsBGRectangle.y(), 80, 30), 6, 6); QPen stroke(QColor(60, 60, 60, 80), 2); _gc.setPen(stroke); _gc.fillPath(bgPath, backgroundColor); _gc.drawPath(bgPath); QPainterPath movePath; // render circle behind by move helper _gc.setPen(stroke); movePath.addEllipse(iconMovePosition.x()-5, iconMovePosition.y()-5, 40, 40);// background behind icon _gc.fillPath(movePath, backgroundColor); _gc.drawPath(movePath); // Preview/Snap Tool helper _gc.drawPixmap(iconDeletePosition, m_iconDelete); if (assistant->isSnappingActive() == true) { _gc.drawPixmap(iconSnapPosition, m_iconSnapOn); } else { _gc.drawPixmap(iconSnapPosition, m_iconSnapOff); } // Move Assistant Tool helper _gc.drawPixmap(iconMovePosition, m_iconMove); } QPointF KisAssistantTool::snapToGuide(KoPointerEvent *e, const QPointF &offset, bool useModifiers) { if (!m_canvas->currentImage()) return e->point; KoSnapGuide *snapGuide = m_canvas->snapGuide(); QPointF pos = snapGuide->snap(e->point, offset, useModifiers ? e->modifiers() : Qt::NoModifier); //return m_canvas->currentImage()->documentToPixel(pos); return pos; } QPointF KisAssistantTool::snapToGuide(const QPointF& pt, const QPointF &offset) { if (!m_canvas) return pt; KoSnapGuide *snapGuide = m_canvas->snapGuide(); QPointF pos = snapGuide->snap(pt, offset, Qt::NoModifier); return pos; } double KisAssistantTool::norm2(const QPointF& p) { return p.x() * p.x() + p.y() * p.y(); } -bool KisAssistantTool::mouseNear(const QPointF& mousep, const QPointF& point) -{ - QRectF handlerect(point - QPointF(m_handleSize * 0.5, m_handleSize * 0.5), QSizeF(m_handleSize, m_handleSize)); - return handlerect.contains(mousep); -} QPointF adjustPointF(const QPointF& _pt, const QRectF& _rc) { return QPointF(qBound(_rc.left(), _pt.x(), _rc.right()), qBound(_rc.top(), _pt.y(), _rc.bottom())); } - -KisPaintingAssistantHandleSP KisAssistantTool::nodeNearPoint(KisPaintingAssistantSP grid, QPointF point) -{ - if (mouseNear(point, pixelToView(*grid->topLeft()))) { - return grid->topLeft(); - } else if (mouseNear(point, pixelToView(*grid->topRight()))) { - return grid->topRight(); - } else if (mouseNear(point, pixelToView(*grid->bottomLeft()))) { - return grid->bottomLeft(); - } else if (mouseNear(point, pixelToView(*grid->bottomRight()))) { - return grid->bottomRight(); - } - return 0; -} - diff --git a/plugins/assistants/Assistants/kis_assistant_tool.h b/plugins/assistants/Assistants/kis_assistant_tool.h index cbaa87c6fd..648836ae2e 100644 --- a/plugins/assistants/Assistants/kis_assistant_tool.h +++ b/plugins/assistants/Assistants/kis_assistant_tool.h @@ -1,194 +1,183 @@ /* * Copyright (c) 2008 Cyrille Berger * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; version 2.1 of the License. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. */ #ifndef _KIS_ASSISTANT_TOOL_H_ #define _KIS_ASSISTANT_TOOL_H_ #include #include #include #include #include "kis_painting_assistant.h" #include #include #include "ui_AssistantsToolOptions.h" /* The assistant tool allows artists to create special guides on the canvas * to help them with things like perspective and parallel lines * This tool has its own canvas decoration on it that only appears when the tool * is active. This decoration allows people to edit assistant points as well as delete assistants * Many of the operations here are forwarded on to another class (kis_painting_assistant_decoration) * that stores the assistant information as well as the decoration information with lines * * Drawing in two separate classes creates an issue where the editor controls in this class * are covered by the kis_painting_assistant_decoration class. In the future, we probably need to * do all the drawing in one class so we have better control of what is in front */ class KisAssistantTool : public KisTool { Q_OBJECT enum PerspectiveAssistantEditionMode { MODE_CREATION, // This is the mode when there is not yet a perspective grid MODE_EDITING, // This is the mode when the grid has been created, and we are waiting for the user to click on a control box MODE_DRAGGING_NODE, // In this mode one node is translated MODE_DRAGGING_TRANSLATING_TWONODES // This mode is used when creating a new sub perspective grid }; public: KisAssistantTool(KoCanvasBase * canvas); ~KisAssistantTool() override; virtual quint32 priority() { return 3; } /* this is a very big function that has to figure out if we are adding a new assistant, * or editing an existing one when we click on the canvas. There is also a lot of logic * in here that is specific to certain assistants and how they should be handled. * The editor widget is not a UI file, so the move, delete, preview areas have manual * hitbox regions specified to know if a click is doing any of those actions. */ void beginPrimaryAction(KoPointerEvent *event) override; void continuePrimaryAction(KoPointerEvent *event) override; void endPrimaryAction(KoPointerEvent *event) override; void mouseMoveEvent(KoPointerEvent *event) override; QWidget *createOptionWidget() override; private: // adds and removes assistant. // this is event is forwarded to the kis_painting_decoration class // perspective grids seem to be managed in two places with these calls void addAssistant(); void removeAssistant(KisPaintingAssistantSP assistant); - - // calculates whether a point is near one of the corner points of the assistant - // returns: a corner point from the perspective assistant if the given node is close - // only called once in code when calculating the perspective assistant - KisPaintingAssistantHandleSP nodeNearPoint(KisPaintingAssistantSP grid, QPointF point); - - // calculates if the mouse is near a given point - // only used by the nodeNearPoint function (perspective grid assistant). - bool mouseNear(const QPointF& mousep, const QPointF& point); - - QPointF snapToGuide(KoPointerEvent *e, const QPointF &offset, bool useModifiers); QPointF snapToGuide(const QPointF& pt, const QPointF &offset); double norm2(const QPointF& p); public Q_SLOTS: void activate(ToolActivation toolActivation, const QSet &shapes) override; void deactivate() override; private Q_SLOTS: void removeAllAssistants(); void saveAssistants(); void loadAssistants(); /// send the color and opacity information from the UI to the kis_painting_decoration /// which manages the assistants void slotAssistantsColorChanged(const QColor&); void slotAssistantOpacityChanged(); protected: /// Draws the editor widget controls with move, activate, and delete /// This also creates a lot of assistant specific stuff for vanishing points and perspective grids /// Whatever is painted here will be underneath the content painted in the kis_painting_assistant_decoration /// The kis_painting_assistant_decoration paints the final assistant, so this is more of just editor controls void paint(QPainter& gc, const KoViewConverter &converter) override; protected: /// this class manipulates the kis_painting_assistant_decorations a lot, so this class is a helper /// to get a reference to it and call "updateCanvas" which refreshes the display QPointer m_canvas; /// the handles are retrieved from the kis_painting_decoration originally /// They are used here to generate and manipulate editor handles with the tool's primary action QList m_handles; QList m_sideHandles; KisPaintingAssistantHandleSP m_handleDrag; KisPaintingAssistantHandleSP m_handleCombine; KisPaintingAssistantSP m_assistantDrag; /// Used while a new assistant is being created. Most assistants need multiple points to exist /// so this helps manage the visual state while this creation process is going on KisPaintingAssistantSP m_newAssistant; QPointF m_cursorStart; QPointF m_currentAdjustment; Ui::AssistantsToolOptions m_options; QWidget* m_optionsWidget; QPointF m_dragStart; QLineF m_radius; bool m_snapIsRadial; QPointF m_dragEnd; int m_handleSize; // how large the editor handles will appear // move, visibility, delete icons for each assistant. These only display while the assistant tool is active // these icons will be covered by the kis_paintint_assistant_decoration with things like the perspective assistant QPixmap m_iconDelete; QPixmap m_iconSnapOn; QPixmap m_iconSnapOff; QPixmap m_iconMove; private: void drawEditorWidget(KisPaintingAssistantSP assistant, QPainter& _gc); PerspectiveAssistantEditionMode m_internalMode; KisPaintingAssistantHandleSP m_selectedNode1, m_selectedNode2, m_higlightedNode; int m_assistantHelperYOffset; // used by the assistant editor icons for placement on the canvas. // what color and opacity will the assistants have // all assistant types will share this setting QColor m_assistantColor; float m_assistantsOpacity; }; class KisAssistantToolFactory : public KoToolFactoryBase { public: KisAssistantToolFactory() : KoToolFactoryBase("KisAssistantTool") { setToolTip(i18n("Assistant Tool")); setSection(TOOL_TYPE_VIEW); setIconName(koIconNameCStr("krita_tool_assistant")); setPriority(0); setActivationShapeId(KRITA_TOOL_ACTIVATION_ID); } ~KisAssistantToolFactory() override {} KoToolBase * createTool(KoCanvasBase * canvas) override { return new KisAssistantTool(canvas); } }; #endif