Ejemplo n.º 1
0
    def drawForeground(self, painter: QtGui.QPainter, rect: QtCore.QRectF):
        """Draw the foreground pixmap, updates if None."""
        if self.foreground_pixmap is None:
            self.updateForeground(rect)

        painter.save()
        painter.resetTransform()
        # Draw the actual overlay
        painter.drawPixmap(0, 0, self.foreground_pixmap)
        painter.restore()
Ejemplo n.º 2
0
    def paint(
        self,
        painter: QtGui.QPainter,
        option: QtWidgets.QStyleOptionGraphicsItem,
        widget: QtWidgets.QWidget = None,
    ):
        view = next(iter(self.scene().views()))

        painter.setRenderHint(QtGui.QPainter.Antialiasing)
        painter.setFont(self.font)
        painter.setPen(self.pen)

        fm = painter.fontMetrics()

        painter.drawLine(self.line)

        if not self.line.p1().isNull():
            pen = QtGui.QPen(self.pen)
            pen.setWidth(10)
            painter.setPen(pen)
            painter.drawPoints([self.line.p1(), self.line.p2()])
            painter.setPen(self.pen)

        if view is not None and self.text != "":
            angle = self.line.angle()
            if 90 < angle < 270:
                angle -= 180
            center = view.mapFromScene(self.line.center())
            length = (
                view.mapFromScene(QtCore.QRectF(0, 0, self.line.length(), 1))
                .boundingRect()
                .width()
            )
            width = fm.boundingRect(self.text).width()

            if width < length * 0.9:
                painter.save()
                painter.resetTransform()
                transform = QtGui.QTransform()
                transform.translate(center.x(), center.y())
                transform.rotate(-angle)
                painter.setTransform(transform)
                painter.drawText(-width / 2.0, -fm.descent(), self.text)
                painter.restore()
Ejemplo n.º 3
0
    def paint(
        self,
        painter: QtGui.QPainter,
        option: QtWidgets.QStyleOptionGraphicsItem,
        widget: QtWidgets.QWidget = None,
    ):
        super().paint(painter, option, widget)

        if self.isSelected():
            painter.fillRect(self.rect(),
                             QtGui.QBrush(QtGui.QColor(255, 255, 255, 32)))

        painter.setFont(self.font)
        fm = painter.fontMetrics()

        pos = QtCore.QPointF(self.rect().left(), self.rect().top())
        pos = painter.transform().map(pos)
        painter.save()
        painter.resetTransform()
        painter.setPen(self.pen())
        painter.drawText(pos.x() + 5, pos.y() + fm.ascent(), self.label)
        painter.restore()