def testClipPath(self):
pr = QgsProject()
l = QgsLayout(pr)
shape = QgsLayoutItemShape(l)
shape.setShapeType(QgsLayoutItemShape.Rectangle)
shape.attemptSetSceneRect(QRectF(30, 10, 100, 200))
# must be a closed polygon, in scene coordinates!
self.assertEqual(shape.clipPath().asWkt(),
'Polygon ((30 10, 130 10, 130 210, 30 210, 30 10))')
self.assertTrue(
int(shape.itemFlags() & QgsLayoutItem.FlagProvidesClipPath))
spy = QSignalSpy(shape.clipPathChanged)
shape.setCornerRadius(
QgsLayoutMeasurement(10, QgsUnitTypes.LayoutMillimeters))
self.assertTrue(shape.clipPath().asWkt(0).startswith(
'Polygon ((30 20, 30 20, 30 19, 30 19, 30 19, 30 19'))
self.assertEqual(len(spy), 1)
shape.setShapeType(QgsLayoutItemShape.Ellipse)
self.assertEqual(len(spy), 2)
self.assertTrue(shape.clipPath().asWkt(0).startswith(
'Polygon ((130 110, 130 111, 130 113, 130 114'))
shape.setShapeType(QgsLayoutItemShape.Triangle)
self.assertEqual(len(spy), 3)
self.assertEqual(shape.clipPath().asWkt(),
'Polygon ((30 210, 130 210, 80 10, 30 210))')
shape.attemptSetSceneRect(QRectF(50, 20, 80, 120))
self.assertEqual(len(spy), 4)
self.assertEqual(shape.clipPath().asWkt(),
'Polygon ((50 140, 130 140, 90 20, 50 140))')
