Draw Half Rounded Rectangle Using PyQt5

draw_rounded_rect.py

    def draw_rounded_rect(self, painter, rect, x_radius=10, y_radius=10, corners=(1, 1, 1, 1), mode = Qt.AbsoluteSize):
        path = QPainterPath()

        if mode == Qt.RelativeSize:
            x_radius = x_radius / 100 * (rect.width()/2)
            y_radius = y_radius / 100 * (rect.height()/2)

        x_radius = max(0, min(x_radius, rect.width()/2))
        y_radius = max(0, min(y_radius, rect.height()/2))

        arc_rect = QRectF(0, 0, x_radius*2, y_radius*2)

        angles = (180, 90, 0, 270)
        points = (rect.topLeft(), rect.topRight(), rect.bottomRight(), rect.bottomLeft())
        center_points = (arc_rect, arc_rect, rect.bottomLeft(), rect.bottomRight())

        if corners[0] == 1:
            arc_rect.moveTopLeft(rect.topLeft())
            path.arcMoveTo(arc_rect, angles[0])
            path.arcTo(arc_rect, angles[0], -90)
        else:
            path.moveTo(points[0])

        if corners[1] == 1:
            arc_rect.moveTopRight(rect.topRight())
            path.arcTo(arc_rect, angles[1], -90)
        else:
            path.lineTo(points[1])

        if corners[2] == 1:
            arc_rect.moveBottomRight(rect.bottomRight())
            path.arcTo(arc_rect, angles[2], -90)
        else:
            path.lineTo(points[2])

        if corners[3] == 1:
            arc_rect.moveBottomLeft(rect.bottomLeft())
            path.arcTo(arc_rect, angles[3], -90)
        else:
            path.lineTo(points[3])

        path.closeSubpath()
        return path