public void first() {
// ! [0]
QGraphicsScene scene = new QGraphicsScene();
scene.addText("Hello, world!");
QGraphicsView view = new QGraphicsView(scene);
view.show();
// ! [0]
}
public OpenGLInGraphicsView(boolean gl) {
QGLFormat format = new QGLFormat();
format.setSampleBuffers(true);
if (gl) {
setViewport(new QGLWidget(format));
setWindowTitle("GL window");
} else {
setWindowTitle("Non GL Window");
}
QGraphicsScene scene = new QGraphicsScene();
QGraphicsPixmapItem pixmapItem =
new QGraphicsPixmapItem(new QPixmap("classpath:org/qtjambi/images/chip-demo.png")) {
@Override
public void paint(QPainter painter, QStyleOptionGraphicsItem option, QWidget widget) {
// painter.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform, true);
// super.paint(painter, option, widget);
painter.drawPixmap(boundingRect().toRect(), this.pixmap());
}
};
pixmapItem.setFlag(QGraphicsItem.GraphicsItemFlag.ItemIsMovable, true);
pixmapItem.setTransformationMode(Qt.TransformationMode.SmoothTransformation);
scene.addItem(pixmapItem);
QGraphicsPixmapItem otherPixmapItem =
scene.addPixmap(new QPixmap("classpath:org/qtjambi/images/chip-demo.png"));
otherPixmapItem.setFlag(QGraphicsItem.GraphicsItemFlag.ItemIsMovable, true);
otherPixmapItem.setTransformationMode(Qt.TransformationMode.SmoothTransformation);
scene.addText("Hello World").setFlag(QGraphicsItem.GraphicsItemFlag.ItemIsMovable, true);
setScene(scene);
rotate(45);
setRenderHint(QPainter.RenderHint.SmoothPixmapTransform);
// setRenderHint(QPainter.RenderHint.Antialiasing, true);
// setRenderHint(QPainter.RenderHint.HighQualityAntialiasing, true);
// setRenderHint(QPainter.RenderHint.TextAntialiasing, true);
}