def testMarkerDataDefinedAngleLine(self): """Test issue https://github.com/qgis/QGIS/issues/38716""" s = QgsLineSymbol() s.deleteSymbolLayer(0) marker_line = QgsMarkerLineSymbolLayer(True) marker_line.setRotateSymbols(True) marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint) marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Arrow, 10) marker.setAngle(90) marker.setColor(QColor(255, 0, 0)) marker.setStrokeStyle(Qt.NoPen) marker_symbol = QgsMarkerSymbol() marker_symbol.changeSymbolLayer(0, marker) marker_line.setSubSymbol(marker_symbol) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, marker_line) s.appendSymbolLayer(marker_line.clone()) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 20 20)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('markerline_center_angle_dd', 'markerline_center_angle_dd', rendered_image) # Now with DD s = QgsLineSymbol() s.deleteSymbolLayer(0) marker_line = QgsMarkerLineSymbolLayer(True) marker_line.setRotateSymbols(True) marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint) marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Arrow, 10) # Note: set this to a different value than the reference test (90) marker.setAngle(30) marker.setColor(QColor(255, 0, 0)) marker.setStrokeStyle(Qt.NoPen) marker_symbol = QgsMarkerSymbol() marker_symbol.changeSymbolLayer(0, marker) # This is the same value of the reference test marker_symbol.setDataDefinedAngle(QgsProperty.fromExpression('90')) marker_line.setSubSymbol(marker_symbol) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, marker_line) s.appendSymbolLayer(marker_line.clone()) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 20 20)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('markerline_center_angle_dd', 'markerline_center_angle_dd', rendered_image)
def testDataDefinedAnglePolygon(self): # test rendering curve polygon with markers at vertices and curve points s = QgsFillSymbol() marker_line = QgsMarkerLineSymbolLayer(True) marker_line.setPlacement(QgsMarkerLineSymbolLayer.SegmentCenter) marker = QgsSimpleMarkerSymbolLayer( QgsSimpleMarkerSymbolLayer.Triangle, 4) marker.setColor(QColor(255, 0, 0)) marker.setStrokeStyle(Qt.NoPen) marker.setAngle(90) marker_symbol = QgsMarkerSymbol() marker_symbol.changeSymbolLayer(0, marker) marker_line.setSubSymbol(marker_symbol) s.appendSymbolLayer(marker_line.clone()) g = QgsGeometry.fromWkt( 'Polygon (LineString (0 5, 5 0, 10 5, 5 10, 0 5))') self.assertFalse(g.isNull()) # rendering test with non data-defined angle rendered_image = self.renderGeometry(s, g) self.assertTrue( self.imageCheck('markerline_datadefinedanglepolygon', 'markerline_datadefinedanglepolygon', rendered_image)) s = QgsFillSymbol() marker_line = QgsMarkerLineSymbolLayer(True) marker_line.setPlacement(QgsMarkerLineSymbolLayer.SegmentCenter) marker = QgsSimpleMarkerSymbolLayer( QgsSimpleMarkerSymbolLayer.Triangle, 4) marker.setColor(QColor(255, 0, 0)) marker.setStrokeStyle(Qt.NoPen) marker.setAngle(38) marker_symbol = QgsMarkerSymbol() marker_symbol.changeSymbolLayer(0, marker) marker_symbol.setDataDefinedAngle(QgsProperty.fromExpression('90')) marker_line.setSubSymbol(marker_symbol) s.appendSymbolLayer(marker_line.clone()) # rendering test with data-defined angle rendered_image = self.renderGeometry(s, g) self.assertTrue( self.imageCheck('markerline_datadefinedanglepolygon', 'markerline_datadefinedanglepolygon', rendered_image))