68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
#include "customdisablediconengine.h"
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#include <QImage>
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#include <QPainter>
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#include <QPixmap>
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#include <QDebug>
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CustomDisabledIconEngine::CustomDisabledIconEngine()
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{
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}
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void CustomDisabledIconEngine::paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state)
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{
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// if (mode == QIcon::Active && state == QIcon::On)
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// painter->drawPixmap(rect,mPixmap);
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// else
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// painter->drawPixmap(rect,mDisabledPixmap);
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}
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QIconEngine *CustomDisabledIconEngine::clone() const
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{
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CustomDisabledIconEngine* eng = new CustomDisabledIconEngine();
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eng->mPixmap = mPixmap;
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eng->mDisabledPixmap = mDisabledPixmap;
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return eng;
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}
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QPixmap CustomDisabledIconEngine::pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state)
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{
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if (mode == QIcon::Mode::Disabled)
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return mDisabledPixmap;
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else
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return mPixmap;
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}
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void CustomDisabledIconEngine::addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state)
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{
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setPixmap(pixmap);
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}
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void CustomDisabledIconEngine::addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state)
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{
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setPixmap(QPixmap(fileName));
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}
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void CustomDisabledIconEngine::setPixmap(const QPixmap &pixmap)
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{
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mPixmap = pixmap;
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if (pixmap.isNull())
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mDisabledPixmap = pixmap;
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else {
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QImage oldImage = mPixmap.toImage();
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QImage image(mPixmap.size(), QImage::Format_ARGB32);
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for (int x=0;x<image.width();x++) {
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for (int y=0;y<image.height();y++) {
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QColor c = oldImage.pixelColor(x,y);
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int gray = 0.299 * c.red() + 0.587 * c.green() + 0.114 * c.blue();
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QColor c2(gray,gray,gray,c.alpha());
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c2 = c2.darker();
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image.setPixelColor(x,y,c2);
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}
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}
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mDisabledPixmap = QPixmap::fromImage(image);
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}
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}
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