drawing.py 文件源码

def applyEffectToPixmap(pixmap, effect):
    scene = QGraphicsScene()
    item = QGraphicsPixmapItem()
    item.setPixmap(pixmap)
    item.setGraphicsEffect(effect)
    scene.addItem(item)
    res = QPixmap(pixmap.size())
    res.fill(Qt.transparent)
    painter = QPainter(res)
    scene.render(painter)
    return res