void StackFolder::paintInterface(QPainter *p, const QStyleOptionGraphicsItem *option, const QRect &contentsRect)
{
Q_UNUSED(p);
Q_UNUSED(option);
Q_UNUSED(contentsRect);
if (m_placesModel && m_iconAnimationGroup->state() != QAbstractAnimation::Stopped) {
if (m_hoverState) {
stopAnimation();
}
else {
setPopupIcon(m_icon.pixmap(m_popupIconSize.width(), m_popupIconSize.height()));
return;
}
}
if (m_hoverShow) {
if (m_hoverState) {
QPixmap pixmap = m_icon.pixmap(geometry().width(), geometry().height());
QPixmap alphaMask(pixmap.width(), pixmap.height());
const QColor color(127, 127, 127);
alphaMask.fill(color);
pixmap.setAlphaChannel(alphaMask);
setPopupIcon(pixmap);
}
else {
setPopupIcon(m_icon);
}
}
}
void RatingWidget::applyFading(QPixmap& pix)
{
if (hasFading() && d->fadingValue < 255)
{
QPixmap alphaMask(pix.width(), pix.height());
const QColor color(d->fadingValue, d->fadingValue, d->fadingValue);
alphaMask.fill(color);
pix.setAlphaChannel(alphaMask);
}
}
/**
* Creates a ExtGState with the SMask set to the luminosityShader in
* luminosity mode. The shader pattern extends to the bbox.
*/
SkPDFGraphicState* SkPDFAlphaFunctionShader::CreateSMaskGraphicState() {
SkRect bbox;
bbox.set(fState.get()->fBBox);
SkAutoTUnref<SkPDFObject> luminosityShader(
SkPDFShader::GetPDFShaderByState(
fState->CreateAlphaToLuminosityState()));
SkAutoTUnref<SkStream> alphaStream(create_pattern_fill_content(-1, bbox));
SkAutoTUnref<SkPDFResourceDict>
resources(get_gradient_resource_dict(luminosityShader, NULL));
SkAutoTUnref<SkPDFFormXObject> alphaMask(
new SkPDFFormXObject(alphaStream.get(), bbox, resources.get()));
return SkPDFGraphicState::GetSMaskGraphicState(
alphaMask.get(), false,
SkPDFGraphicState::kLuminosity_SMaskMode);
}
/**
* Creates a ExtGState with the SMask set to the luminosityShader in
* luminosity mode. The shader pattern extends to the bbox.
*/
static SkPDFObject* create_smask_graphic_state(
SkPDFCanon* canon, SkScalar dpi, const SkPDFShader::State& state) {
SkRect bbox;
bbox.set(state.fBBox);
SkAutoTDelete<SkPDFShader::State> alphaToLuminosityState(
state.CreateAlphaToLuminosityState());
SkAutoTUnref<SkPDFObject> luminosityShader(
get_pdf_shader_by_state(canon, dpi, &alphaToLuminosityState));
SkAutoTDelete<SkStream> alphaStream(create_pattern_fill_content(-1, bbox));
SkAutoTUnref<SkPDFDict>
resources(get_gradient_resource_dict(luminosityShader, NULL));
SkAutoTUnref<SkPDFFormXObject> alphaMask(
new SkPDFFormXObject(alphaStream.get(), bbox, resources.get()));
return SkPDFGraphicState::GetSMaskGraphicState(
alphaMask.get(), false,
SkPDFGraphicState::kLuminosity_SMaskMode);
}
void GraphicsLayer::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget)
{
if (!m_layerScene) {
return;
}
if (m_prevSceneRect != m_sceneRect) {
m_pixmap = QPixmap(m_viewRect.size());
QBitmap alphaMask(m_viewRect.size());
alphaMask.clear();
m_pixmap.setMask(alphaMask);
m_prevSceneRect = m_sceneRect;
QPainter sourcePainter(&m_pixmap);
m_layerScene->render(&sourcePainter, m_viewRect, m_sceneRect);
}
painter->save();
painter->setCompositionMode(QPainter::CompositionMode_Difference);
painter->drawPixmap(m_sceneRect, m_pixmap, m_viewRect);
painter->restore();
}
