diff --git a/libs/widgets/KisVisualEllipticalSelectorShape.cpp b/libs/widgets/KisVisualEllipticalSelectorShape.cpp index abceed3b9a..f6e7ed63fc 100644 --- a/libs/widgets/KisVisualEllipticalSelectorShape.cpp +++ b/libs/widgets/KisVisualEllipticalSelectorShape.cpp @@ -1,235 +1,283 @@ /* * Copyright (C) Wolthera van Hovell tot Westerflier , (C) 2016 * * 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 "KisVisualEllipticalSelectorShape.h" #include #include #include #include #include #include +#include #include #include #include #include #include #include #include "KoColorConversions.h" #include "KoColorDisplayRendererInterface.h" #include "KoChannelInfo.h" #include #include #include "kis_signal_compressor.h" #include "kis_debug.h" #include "kis_global.h" KisVisualEllipticalSelectorShape::KisVisualEllipticalSelectorShape(QWidget *parent, Dimensions dimension, const KoColorSpace *cs, int channel1, int channel2, const KoColorDisplayRendererInterface *displayRenderer, int barWidth, singelDTypes d) : KisVisualColorSelectorShape(parent, dimension, cs, channel1, channel2, displayRenderer) { //qDebug() << "creating KisVisualEllipticalSelectorShape" << this; m_type = d; m_barWidth = barWidth; } KisVisualEllipticalSelectorShape::~KisVisualEllipticalSelectorShape() { //qDebug() << "deleting KisVisualEllipticalSelectorShape" << this; } QSize KisVisualEllipticalSelectorShape::sizeHint() const { return QSize(180,180); } void KisVisualEllipticalSelectorShape::setBorderWidth(int width) { m_barWidth = width; + forceImageUpdate(); + update(); } QRect KisVisualEllipticalSelectorShape::getSpaceForSquare(QRect geom) { int sizeValue = qMin(width(),height()); QRect b(geom.left(), geom.top(), sizeValue, sizeValue); QLineF radius(b.center(), QPointF(b.left()+m_barWidth, b.center().y()) ); radius.setAngle(135); QPointF tl = radius.p2(); radius.setAngle(315); QPointF br = radius.p2(); QRect r(tl.toPoint(), br.toPoint()); return r; } QRect KisVisualEllipticalSelectorShape::getSpaceForCircle(QRect geom) { int sizeValue = qMin(width(),height()); QRect b(geom.left(), geom.top(), sizeValue, sizeValue); QPointF tl = QPointF (b.topLeft().x()+m_barWidth, b.topLeft().y()+m_barWidth); QPointF br = QPointF (b.bottomRight().x()-m_barWidth, b.bottomRight().y()-m_barWidth); QRect r(tl.toPoint(), br.toPoint()); return r; } QRect KisVisualEllipticalSelectorShape::getSpaceForTriangle(QRect geom) { int sizeValue = qMin(width(),height()); QRect b(geom.left(), geom.top(), sizeValue, sizeValue); QLineF radius(b.center(), QPointF(b.left()+m_barWidth, b.center().y()) ); radius.setAngle(90);//point at yellowgreen :) QPointF t = radius.p2(); radius.setAngle(330);//point to purple :) QPointF br = radius.p2(); radius.setAngle(210);//point to cerulean :) QPointF bl = radius.p2(); QPointF tl = QPoint(bl.x(),t.y()); QRect r(tl.toPoint(), br.toPoint()); return r; } QPointF KisVisualEllipticalSelectorShape::convertShapeCoordinateToWidgetCoordinate(QPointF coordinate) const { qreal x; qreal y; qreal offset=7.0; qreal a = (qreal)width()*0.5; QPointF center(a, a); QLineF line(center, QPoint((m_barWidth*0.5),a)); qreal angle = coordinate.x()*360.0; angle = fmod(angle+180.0,360.0); angle = 180.0-angle; angle = angle+180.0; if (m_type==KisVisualEllipticalSelectorShape::borderMirrored) { angle = (coordinate.x()/2)*360.0; angle = fmod((angle+270.0), 360.0); } line.setAngle(angle); if (getDimensions()!=KisVisualColorSelectorShape::onedimensional) { line.setLength(qMin(coordinate.y()*(a-offset), a-offset)); } x = qRound(line.p2().x()); y = qRound(line.p2().y()); return QPointF(x,y); } QPointF KisVisualEllipticalSelectorShape::convertWidgetCoordinateToShapeCoordinate(QPoint coordinate) const { //default implementation: qreal x = 0.5; qreal y = 1.0; qreal offset = 7.0; QPointF center = QRectF(QPointF(0.0, 0.0), this->size()).center(); qreal a = (this->width()/2); qreal xRel = center.x()-coordinate.x(); qreal yRel = center.y()-coordinate.y(); qreal radius = sqrt(xRel*xRel+yRel*yRel); if (m_type!=KisVisualEllipticalSelectorShape::borderMirrored){ qreal angle = atan2(yRel, xRel); angle = kisRadiansToDegrees(angle); angle = fmod(angle+360, 360.0); x = angle/360.0; if (getDimensions()==KisVisualColorSelectorShape::twodimensional) { y = qBound(0.0,radius/(a-offset), 1.0); } } else { qreal angle = atan2(xRel, yRel); angle = kisRadiansToDegrees(angle); angle = fmod(angle+180, 360.0); if (angle>180.0) { angle = 360.0-angle; } x = (angle/360.0)*2; if (getDimensions()==KisVisualColorSelectorShape::twodimensional) { y = qBound(0.0,(radius+offset)/a, 1.0); } } return QPointF(x, y); } QRegion KisVisualEllipticalSelectorShape::getMaskMap() { QRegion mask = QRegion(0,0,width(),height(), QRegion::Ellipse); if (getDimensions()==KisVisualColorSelectorShape::onedimensional) { mask = mask.subtracted(QRegion(m_barWidth, m_barWidth, width()-(m_barWidth*2), height()-(m_barWidth*2), QRegion::Ellipse)); } return mask; } -void KisVisualEllipticalSelectorShape::drawCursor() +QImage KisVisualEllipticalSelectorShape::renderBackground(const QVector4D &channelValues, quint32 pixelSize) const { - //qDebug() << this << "KisVisualEllipticalSelectorShape::drawCursor: image needs update" << imagesNeedUpdate(); - QPointF cursorPoint = convertShapeCoordinateToWidgetCoordinate(getCursorPosition()); - QImage fullSelector = getImageMap(); - QColor col = getColorFromConverter(getCurrentColor()); - QPainter painter; - painter.begin(&fullSelector); - painter.setRenderHint(QPainter::Antialiasing); - QRect innerRect(m_barWidth, m_barWidth, width()-(m_barWidth*2), height()-(m_barWidth*2)); + const KisVisualColorSelector *selector = qobject_cast(parent()); + Q_ASSERT(selector); + // optimization assumes widget is (close to) square, but should still render correctly as ellipse + int rMaxSquare = qRound(qMax(width(), height()) * 0.5f + 0.5f); + rMaxSquare *= rMaxSquare; + int rMinSquare = 0; + if (getDimensions() == Dimensions::onedimensional) + { + rMinSquare = qMax(0, qRound(qMin(width(), height()) * 0.5f - m_barWidth)); + rMinSquare *= rMinSquare; + } + int cx = width()/2; + int cy = height()/2; - painter.save(); + // Fill a buffer with the right kocolors + quint32 imageSize = width() * height() * pixelSize; + QScopedArrayPointer raw(new quint8[imageSize] {}); + quint8 *dataPtr = raw.data(); + bool is2D = (getDimensions() == Dimensions::twodimensional); + QVector4D coordinates = channelValues; + QVector channels = getChannels(); + for (int y = 0; y < height(); y++) { + int dy = y - cy; + for (int x=0; x < width(); x++) { + int dx = x - cx; + int radSquare = dx*dx + dy*dy; + if (radSquare >= rMinSquare && radSquare < rMaxSquare) + { + QPointF newcoordinate = convertWidgetCoordinateToShapeCoordinate(QPoint(x, y)); + coordinates[channels.at(0)] = newcoordinate.x(); + if (is2D){ + coordinates[channels.at(1)] = newcoordinate.y(); + } + KoColor c = selector->convertShapeCoordsToKoColor(coordinates); + memcpy(dataPtr, c.data(), pixelSize); + } + dataPtr += pixelSize; + } + } + QImage image = convertImageMap(raw.data(), imageSize); + // cleanup edges by erasing with antialiased circles + QPainter painter(&image); + painter.setRenderHint(QPainter::Antialiasing); painter.setCompositionMode(QPainter::CompositionMode_Clear); QPen pen; pen.setWidth(5); painter.setPen(pen); painter.drawEllipse(QRect(0,0,width(),height())); if (getDimensions()==KisVisualColorSelectorShape::onedimensional) { + QRect innerRect(m_barWidth, m_barWidth, width()-(m_barWidth*2), height()-(m_barWidth*2)); painter.setBrush(Qt::SolidPattern); painter.drawEllipse(innerRect); } - painter.restore(); + return image; +} +void KisVisualEllipticalSelectorShape::drawCursor() +{ + //qDebug() << this << "KisVisualEllipticalSelectorShape::drawCursor: image needs update" << imagesNeedUpdate(); + QPointF cursorPoint = convertShapeCoordinateToWidgetCoordinate(getCursorPosition()); + QImage fullSelector = getImageMap(); + QColor col = getColorFromConverter(getCurrentColor()); + QPainter painter; + painter.begin(&fullSelector); + painter.setRenderHint(QPainter::Antialiasing); + QRect innerRect(m_barWidth, m_barWidth, width()-(m_barWidth*2), height()-(m_barWidth*2)); QBrush fill; fill.setStyle(Qt::SolidPattern); int cursorwidth = 5; if (m_type==KisVisualEllipticalSelectorShape::borderMirrored) { painter.setPen(Qt::white); fill.setColor(Qt::white); painter.setBrush(fill); painter.drawEllipse(cursorPoint, cursorwidth, cursorwidth); QPoint mirror(innerRect.center().x()+(innerRect.center().x()-cursorPoint.x()),cursorPoint.y()); painter.drawEllipse(mirror, cursorwidth, cursorwidth); fill.setColor(col); painter.setPen(Qt::black); painter.setBrush(fill); painter.drawEllipse(cursorPoint, cursorwidth-1, cursorwidth-1); painter.drawEllipse(mirror, cursorwidth-1, cursorwidth-1); } else { painter.setPen(Qt::white); fill.setColor(Qt::white); painter.setBrush(fill); painter.drawEllipse(cursorPoint, cursorwidth, cursorwidth); fill.setColor(col); painter.setPen(Qt::black); painter.setBrush(fill); painter.drawEllipse(cursorPoint, cursorwidth-1.0, cursorwidth-1.0); } painter.end(); setFullImage(fullSelector); } diff --git a/libs/widgets/KisVisualEllipticalSelectorShape.h b/libs/widgets/KisVisualEllipticalSelectorShape.h index 31c457c87e..e50c37bb3e 100644 --- a/libs/widgets/KisVisualEllipticalSelectorShape.h +++ b/libs/widgets/KisVisualEllipticalSelectorShape.h @@ -1,71 +1,73 @@ /* * Copyright (C) Wolthera van Hovell tot Westerflier , (C) 2016 * * 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 KISVISUALCOLORSELECTOR_H #define KISVISUALCOLORSELECTOR_H #include #include #include #include #include #include #include #include "KoColorDisplayRendererInterface.h" #include "KisColorSelectorConfiguration.h" #include "KisVisualColorSelectorShape.h" class KisVisualEllipticalSelectorShape : public KisVisualColorSelectorShape { Q_OBJECT public: enum singelDTypes{border, borderMirrored}; explicit KisVisualEllipticalSelectorShape(QWidget *parent, Dimensions dimension, const KoColorSpace *cs, int channel1, int channel2, const KoColorDisplayRendererInterface *displayRenderer = KoDumbColorDisplayRenderer::instance(), int barWidth=20, KisVisualEllipticalSelectorShape::singelDTypes d = KisVisualEllipticalSelectorShape::border ); ~KisVisualEllipticalSelectorShape() override; void setBorderWidth(int width) override; /** * @brief getSpaceForSquare * @param geom the full widget rectangle * @return rectangle with enough space for second widget */ QRect getSpaceForSquare(QRect geom) override; QRect getSpaceForCircle(QRect geom) override; QRect getSpaceForTriangle(QRect geom) override; protected: + virtual QImage renderBackground(const QVector4D &channelValues, quint32 pixelSize) const override; + private: QPointF convertShapeCoordinateToWidgetCoordinate(QPointF coordinate) const override; QPointF convertWidgetCoordinateToShapeCoordinate(QPoint coordinate) const override; singelDTypes m_type; int m_barWidth; QRegion getMaskMap() override; void drawCursor() override; QSize sizeHint() const override; }; #endif // KISVISUALCOLORSELECTOR_H