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Greatly improve rendering quality of overlay preview

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This commit is contained in:
Thorvald Natvig 2010-03-08 14:21:19 +01:00
parent c06f54b76a
commit 9c5086c7ca
2 changed files with 15 additions and 2 deletions
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16
src/mumble/Overlay.cpp
View File

@ -52,11 +52,15 @@ OverlayConfig::OverlayConfig(Settings &st) : ConfigWidget(st) {
qcbShow->addItem(tr("Show everyone"), Settings::All);
qgs.setBackgroundBrush(QColor(128, 128, 128, 255));
qpScreen = QPixmap::grabWindow(QApplication::desktop()->winId());
qgpiScreen = new QGraphicsPixmapItem();
qgpiScreen->setPixmap(QPixmap::grabWindow(QApplication::desktop()->winId()));
qgpiScreen->setPixmap(qpScreen);
qgpiScreen->setOpacity(0.5f);
qgpiScreen->setZValue(-10.0f);
qgs.setSceneRect(QRectF(0, 0, qgpiScreen->pixmap().width(), qgpiScreen->pixmap().height()));
oug = new OverlayUserGroup(& s.os);
oug->bShowExamples = true;
@ -67,7 +71,6 @@ OverlayConfig::OverlayConfig(Settings &st) : ConfigWidget(st) {
qgs.addItem(oug);
oug->show();
qgs.setSceneRect(QRectF(0, 0, qgpiScreen->pixmap().width(), qgpiScreen->pixmap().height()));
qgvView->setScene(&qgs);
qgvView->installEventFilter(this);
@ -138,7 +141,13 @@ bool OverlayConfig::eventFilter(QObject *obj, QEvent *evt) {
}
void OverlayConfig::resizeScene() {
QSize sz = qgvView->viewport()->size();
qgpiScreen->setPixmap(qpScreen.scaled(sz, Qt::KeepAspectRatio, Qt::SmoothTransformation));
qgs.setSceneRect(QRectF(0, 0, qgpiScreen->pixmap().width(), qgpiScreen->pixmap().height()));
qgvView->fitInView(qgs.sceneRect(), Qt::KeepAspectRatio);
oug->updateLayout();
oug->updateUsers();
}
@ -1250,6 +1259,9 @@ void OverlayUser::setup() {
void OverlayUser::updateLayout() {
QPixmap pm;
if (scene())
uiSize = iroundf(scene()->sceneRect().height());
prepareGeometryChange();

1
src/mumble/Overlay.h
View File

@ -224,6 +224,7 @@ class OverlayConfig : public ConfigWidget, public Ui::OverlayConfig {
Q_OBJECT
Q_DISABLE_COPY(OverlayConfig)
protected:
QPixmap qpScreen;
QGraphicsPixmapItem *qgpiScreen;
QGraphicsScene qgs;
OverlayUserGroup *oug;