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Speed up rendering slightly

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This commit is contained in:
Thorvald Natvig 2010-03-01 01:40:13 +01:00
parent b7d97dd25e
commit b658561ec1
1 changed files with 22 additions and 16 deletions
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38
src/mumble/Overlay.cpp
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@ -1080,6 +1080,10 @@ OverlayClient::~OverlayClient() {
}
bool OverlayClient::eventFilter(QObject *o, QEvent *e) {
if (e->type() == QEvent::Paint) {
e->accept();
return true;
}
return QObject::eventFilter(o, e);
}
@ -1513,6 +1517,9 @@ bool OverlayClient::setTexts(const QList<OverlayTextLine> &lines) {
}
void OverlayClient::changed(const QList<QRectF> &region) {
if (region.isEmpty())
return;
qlDirty.append(region);
QMetaObject::invokeMethod(this, "render", Qt::QueuedConnection);
}
@ -1523,7 +1530,7 @@ void OverlayClient::render() {
if (! uiWidth || ! uiHeight || ! smMem)
return;
QRect active;
QRectF dirtyf;
@ -1534,32 +1541,31 @@ void OverlayClient::render() {
dirtyf |= r;
}
QRect dirty = dirtyf.toAlignedRect();
dirty = dirty.intersected(QRect(0,0,uiWidth, uiHeight));
QRect target = dirty;
target.moveTo(0,0);
QImage img(reinterpret_cast<unsigned char *>(smMem->data()), uiWidth, uiHeight, QImage::Format_ARGB32);
QImage qi(target.width(), target.height(), QImage::Format_ARGB32);
QImage qi(target.size(), QImage::Format_ARGB32_Premultiplied);
qi.fill(0);
{
QPainter p(&qi);
p.setRenderHint(QPainter::Antialiasing);
p.setRenderHint(QPainter::TextAntialiasing);
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
qgs.render(&p, target, dirty, Qt::IgnoreAspectRatio);
}
{
QPainter p(&img);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.drawImage(dirty.x(), dirty.y(), qi);
}
QPainter p;
p.begin(&qi);
p.setRenderHints(p.renderHints(), false);
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
qgs.render(&p, target, dirty, Qt::IgnoreAspectRatio);
p.end();
p.begin(&img);
p.setRenderHints(p.renderHints(), false);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.drawImage(dirty.x(), dirty.y(), qi);
p.end();
if (dirty.isValid()) {
dirty = dirty.intersected(QRect(0,0,uiWidth, uiHeight));
OverlayMsg om;
om.omh.uiMagic = OVERLAY_MAGIC_NUMBER;
om.omh.uiType = OVERLAY_MSGTYPE_BLIT;