mirror of
https://invent.kde.org/system/dolphin
synced 2024-10-28 03:21:56 +00:00
Fix warnings about scaling pixmaps
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parent
adfca90730
commit
891ebf5758
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@ -168,7 +168,12 @@ QPixmap KFileItemListView::createDragPixmap(const KItemSet& indexes) const
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QPixmap pixmap = model()->data(index).value("iconPixmap").value<QPixmap>();
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if (pixmap.isNull()) {
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QIcon icon = QIcon::fromTheme(model()->data(index).value("iconName").toString());
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if (!icon.isNull()) {
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pixmap = icon.pixmap(size, size);
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} else {
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pixmap = QPixmap(size, size);
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pixmap.fill(Qt::transparent);
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}
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} else {
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KPixmapModifier::scale(pixmap, QSize(size, size) * dpr);
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}
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@ -494,7 +494,7 @@ void KFileItemModelRolesUpdater::slotGotPreview(const KFileItem& item, const QPi
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QPixmap scaledPixmap = pixmap;
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if (!pixmap.hasAlpha()
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if (!pixmap.hasAlpha() && !pixmap.isNull()
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&& m_iconSize.width() > KIconLoader::SizeSmallMedium
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&& m_iconSize.height() > KIconLoader::SizeSmallMedium) {
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if (m_enlargeSmallPreviews) {
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@ -525,7 +525,7 @@ void KFileItemModelRolesUpdater::slotGotPreview(const KFileItem& item, const QPi
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KPixmapModifier::applyFrame(scaledPixmap, m_iconSize);
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}
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}
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} else {
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} else if (!pixmap.isNull()) {
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KPixmapModifier::scale(scaledPixmap, m_iconSize * qApp->devicePixelRatio());
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scaledPixmap.setDevicePixelRatio(qApp->devicePixelRatio());
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}
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@ -538,6 +538,7 @@ void KFileItemModelRolesUpdater::slotGotPreview(const KFileItem& item, const QPi
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// It is more efficient to do it here, as KIconLoader::drawOverlays()
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// assumes that an overlay will be drawn and has some additional
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// setup time.
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if (!scaledPixmap.isNull()) {
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for (const QString& overlay : overlays) {
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if (!overlay.isEmpty()) {
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// There is at least one overlay, draw all overlays above m_pixmap
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@ -546,6 +547,7 @@ void KFileItemModelRolesUpdater::slotGotPreview(const KFileItem& item, const QPi
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break;
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}
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}
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}
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data.insert("iconPixmap", scaledPixmap);
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@ -314,7 +314,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic
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}
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const KItemListStyleOption& itemListStyleOption = styleOption();
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if (isHovered()) {
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if (isHovered() && !m_pixmap.isNull()) {
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if (hoverOpacity() < 1.0) {
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/*
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* Linear interpolation between m_pixmap and m_hoverPixmap.
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@ -357,7 +357,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic
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} else {
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drawPixmap(painter, m_hoverPixmap);
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}
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} else {
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} else if (!m_pixmap.isNull()) {
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drawPixmap(painter, m_pixmap);
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}
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@ -962,6 +962,11 @@ void KStandardItemListWidget::updatePixmapCache()
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KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight) * qApp->devicePixelRatio());
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}
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if (m_pixmap.isNull()) {
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m_hoverPixmap = QPixmap();
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return;
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}
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if (m_isCut) {
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KIconEffect* effect = KIconLoader::global()->iconEffect();
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m_pixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::DisabledState);
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@ -974,6 +979,10 @@ void KStandardItemListWidget::updatePixmapCache()
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if (m_layout == IconsLayout && isSelected()) {
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const QColor color = palette().brush(QPalette::Normal, QPalette::Highlight).color();
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QImage image = m_pixmap.toImage();
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if (image.isNull()) {
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m_hoverPixmap = QPixmap();
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return;
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}
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KIconEffect::colorize(image, color, 0.8f);
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m_pixmap = QPixmap::fromImage(image);
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}
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@ -298,7 +298,7 @@ namespace {
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void KPixmapModifier::scale(QPixmap& pixmap, const QSize& scaledSize)
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{
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if (scaledSize.isEmpty()) {
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if (scaledSize.isEmpty() || pixmap.isNull()) {
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pixmap = QPixmap();
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return;
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}
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@ -309,6 +309,12 @@ void KPixmapModifier::scale(QPixmap& pixmap, const QSize& scaledSize)
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void KPixmapModifier::applyFrame(QPixmap& icon, const QSize& scaledSize)
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{
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if (icon.isNull()) {
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icon = QPixmap(scaledSize);
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icon.fill(Qt::transparent);
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return;
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}
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static TileSet tileSet;
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qreal dpr = qApp->devicePixelRatio();
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@ -136,7 +136,7 @@ void PixmapViewer::paintEvent(QPaintEvent* event)
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style()->drawItemPixmap(&painter, rect(), Qt::AlignCenter, scaledPixmap);
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}
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} else {
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} else if (!m_pixmap.isNull()) {
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style()->drawItemPixmap(&painter, rect(), Qt::AlignCenter, m_pixmap);
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}
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}
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