Пример #1
0
    def paintEvent(self, event):
        # type: (QPaintEvent) -> None
        # TODO: Use QPainter.drawPixmapFragments on Qt 4.7
        if self.__widget is None:
            return
        opt = QStyleOption()
        opt.initFrom(self)
        radius = self.__radius
        offset = self.__offset
        pixmap = self.__shadowPixmap()
        pixr = pixmap.devicePixelRatio()
        assert pixr == self.devicePixelRatioF()
        shadow_rect = QRectF(opt.rect)
        widget_rect = QRectF(self.__widget.geometry())
        widget_rect.moveTo(radius - offset.x(), radius - offset.y())

        left = top = right = bottom = radius * pixr
        pixmap_rect = QRectF(QPointF(0, 0), QSizeF(pixmap.size()))

        # Shadow casting rectangle in the source pixmap.
        pixmap_shadow_rect = pixmap_rect.adjusted(left, top, -right, -bottom)
        pixmap_shadow_rect.translate(-offset.x() * pixr, -offset.y() * pixr)
        source_rects = self.__shadowPixmapFragments(pixmap_rect,
                                                    pixmap_shadow_rect)
        target_rects = self.__shadowPixmapFragments(shadow_rect, widget_rect)

        painter = QPainter(self)
        for source, target in zip(source_rects, target_rects):
            painter.drawPixmap(target, pixmap, source)
        painter.end()
Пример #2
0
    def paintEvent(self, event):
        # TODO: Use QPainter.drawPixmapFragments on Qt 4.7
        opt = QStyleOption()
        opt.initFrom(self)

        pixmap = self.__shadowPixmap

        shadow_rect = QRectF(opt.rect)
        widget_rect = QRectF(self.widget().geometry())
        widget_rect.moveTo(self.radius_, self.radius_)

        left = top = right = bottom = self.radius_
        pixmap_rect = QRectF(QPointF(0, 0), QSizeF(pixmap.size()))

        # Shadow casting rectangle in the source pixmap.
        pixmap_shadow_rect = pixmap_rect.adjusted(left, top, -right, -bottom)
        source_rects = self.__shadowPixmapFragments(pixmap_rect,
                                                   pixmap_shadow_rect)
        target_rects = self.__shadowPixmapFragments(shadow_rect, widget_rect)

        painter = QPainter(self)
        for source, target in zip(source_rects, target_rects):
            painter.drawPixmap(target, pixmap, source)
        painter.end()
Пример #3
0
    def paintEvent(self, event):
        # TODO: Use QPainter.drawPixmapFragments on Qt 4.7
        opt = QStyleOption()
        opt.initFrom(self)

        pixmap = self.__shadowPixmap

        shadow_rect = QRectF(opt.rect)
        widget_rect = QRectF(self.widget().geometry())
        widget_rect.moveTo(self.radius_, self.radius_)

        left = top = right = bottom = self.radius_
        pixmap_rect = QRectF(QPointF(0, 0), QSizeF(pixmap.size()))

        # Shadow casting rectangle in the source pixmap.
        pixmap_shadow_rect = pixmap_rect.adjusted(left, top, -right, -bottom)
        source_rects = self.__shadowPixmapFragments(pixmap_rect,
                                                    pixmap_shadow_rect)
        target_rects = self.__shadowPixmapFragments(shadow_rect, widget_rect)

        painter = QPainter(self)
        for source, target in zip(source_rects, target_rects):
            painter.drawPixmap(target, pixmap, source)
        painter.end()