static QPixmap masksToIcon(const MasksAndColors &masks, const QPixmap &combinedMask, Icon::IconStyleOptions style)
{
QPixmap result(combinedMask.size());
result.setDevicePixelRatio(combinedMask.devicePixelRatio());
result.fill(Qt::transparent);
QPainter p(&result);
for (MasksAndColors::const_iterator maskImage = masks.constBegin();
maskImage != masks.constEnd(); ++maskImage) {
if (style & Icon::PunchEdges && maskImage != masks.constBegin()) {
// Punch a transparent outline around an overlay.
p.save();
p.setOpacity(0.4);
p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
smearPixmap(&p, maskToColorAndAlpha((*maskImage).first, Qt::white), 0.5);
p.restore();
}
p.drawPixmap(0, 0, maskToColorAndAlpha((*maskImage).first, (*maskImage).second));
}
if (style & Icon::DropShadow) {
const QPixmap shadowMask = maskToColorAndAlpha(combinedMask, Qt::black);
p.setCompositionMode(QPainter::CompositionMode_DestinationOver);
p.setOpacity(0.05);
p.drawPixmap(QPointF(0, -0.501), shadowMask);
p.drawPixmap(QPointF(-0.501, 0), shadowMask);
p.drawPixmap(QPointF(0.5, 0), shadowMask);
p.drawPixmap(QPointF(0.5, 0.5), shadowMask);
p.drawPixmap(QPointF(-0.501, 0.5), shadowMask);
p.setOpacity(0.2);
p.drawPixmap(0, 1, shadowMask);
}
p.end();
return result;
}
QIcon Icon::icon() const
{
if (isEmpty()) {
return QIcon();
} else if (m_style == None) {
return QIcon(combinedPlainPixmaps(*this));
} else {
QIcon result;
const MasksAndColors masks = masksAndColors(*this, qRound(qApp->devicePixelRatio()));
const QPixmap combinedMask = Utils::combinedMask(masks, m_style);
result.addPixmap(masksToIcon(masks, combinedMask, m_style));
QColor disabledColor = creatorTheme()->palette().mid().color();
disabledColor.setAlphaF(0.6);
result.addPixmap(maskToColorAndAlpha(combinedMask, disabledColor), QIcon::Disabled);
return result;
}
}
QIcon Icon::icon() const
{
if (isEmpty()) {
return QIcon();
} else if (m_style == None) {
return QIcon(combinedPlainPixmaps(*this));
} else {
QIcon result;
const int maxDpr = qRound(qApp->devicePixelRatio());
for (int dpr = 1; dpr <= maxDpr; dpr++) {
const MasksAndColors masks = masksAndColors(*this, dpr);
const QPixmap combinedMask = Utils::combinedMask(masks, m_style);
result.addPixmap(masksToIcon(masks, combinedMask, m_style));
const QColor disabledColor = creatorTheme()->color(Theme::IconsDisabledColor);
result.addPixmap(maskToColorAndAlpha(combinedMask, disabledColor), QIcon::Disabled);
}
return result;
}
}
static QPixmap combinedMask(const MasksAndColors &masks, Icon::IconStyleOptions style)
{
if (masks.count() == 1)
return masks.first().first;
QPixmap result(masks.first().first);
QPainter p(&result);
p.setCompositionMode(QPainter::CompositionMode_Darken);
auto maskImage = masks.constBegin();
maskImage++;
for (;maskImage != masks.constEnd(); ++maskImage) {
if (style & Icon::PunchEdges) {
p.save();
p.setOpacity(0.4);
p.setCompositionMode(QPainter::CompositionMode_Lighten);
smearPixmap(&p, maskToColorAndAlpha((*maskImage).first, Qt::white), 0.5);
p.restore();
}
p.drawPixmap(0, 0, (*maskImage).first);
}
p.end();
return result;
}
