def testRenderFillLayerDataDefined(self):
""" test that rendering a fill symbol with data defined enabled layer works"""
polys_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
polys_layer = QgsVectorLayer(polys_shp, 'Polygons', 'ogr')
QgsProject.instance().addMapLayer(polys_layer)
layer = QgsSimpleFillSymbolLayer()
layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled, QgsProperty.fromExpression("Name='Lake'"))
layer.setStrokeStyle(Qt.NoPen)
layer.setColor(QColor(100, 150, 150))
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
polys_layer.setRenderer(QgsSingleSymbolRenderer(symbol))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-133, 22, -70, 52))
ms.setLayers([polys_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_layer')
renderchecker.setControlName('expected_filllayer_ddenabled')
self.assertTrue(renderchecker.runTest('filllayer_ddenabled'))
QgsProject.instance().removeMapLayer(polys_layer)
def testRenderFillLayerDataDefined(self):
""" test that rendering a fill symbol with data defined enabled layer works"""
polys_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
polys_layer = QgsVectorLayer(polys_shp, 'Polygons', 'ogr')
QgsProject.instance().addMapLayer(polys_layer)
layer = QgsSimpleFillSymbolLayer()
layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled,
QgsProperty.fromExpression("Name='Lake'"))
layer.setStrokeStyle(Qt.NoPen)
layer.setColor(QColor(100, 150, 150))
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
polys_layer.setRenderer(QgsSingleSymbolRenderer(symbol))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-133, 22, -70, 52))
ms.setLayers([polys_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_layer')
renderchecker.setControlName('expected_filllayer_ddenabled')
self.assertTrue(renderchecker.runTest('filllayer_ddenabled'))
QgsProject.instance().removeMapLayer(polys_layer)
def testDataDefinedOffset(self):
""" test that rendering a fill symbol with data defined offset works"""
polys_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
polys_layer = QgsVectorLayer(polys_shp, 'Polygons', 'ogr')
# lets render two layers, to make comparison easier
layer = QgsSimpleFillSymbolLayer()
layer.setStrokeStyle(Qt.NoPen)
layer.setColor(QColor(200, 250, 50))
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
layer = QgsSimpleFillSymbolLayer()
layer.setDataDefinedProperty(
QgsSymbolLayer.PropertyOffset,
QgsProperty.fromExpression(
"array(-(x_min($geometry)+100)/5, (y_min($geometry)-35)/5)"))
layer.setStrokeStyle(Qt.NoPen)
layer.setColor(QColor(100, 150, 150))
symbol.appendSymbolLayer(layer)
polys_layer.setRenderer(QgsSingleSymbolRenderer(symbol))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-133, 22, -70, 52))
ms.setLayers([polys_layer])
# Test rendering
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_simplefill')
renderchecker.setControlName('expected_simplefill_ddoffset')
res = renderchecker.runTest('simplefill_ddoffset')
TestQgsSimpleFillSymbolLayer.report += renderchecker.report()
self.assertTrue(res)
def testDataDefinedOpacity(self):
poly_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
poly_layer = QgsVectorLayer(poly_shp, 'Polys', 'ogr')
self.assertTrue(poly_layer.isValid())
layer = QgsSimpleFillSymbolLayer()
layer.setStrokeStyle(Qt.NoPen)
layer.setColor(QColor(200, 250, 50))
layer.setDataDefinedProperty(
QgsSymbolLayer.PropertyFillColor,
QgsProperty.fromExpression("if(Name='Dam', 'red', 'green')"))
layer.setDataDefinedProperty(
QgsSymbolLayer.PropertyStrokeColor,
QgsProperty.fromExpression("if(Name='Dam', 'magenta', 'blue')"))
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
symbol.setDataDefinedProperty(
QgsSymbol.PropertyOpacity,
QgsProperty.fromExpression("if(\"Value\" >10, 25, 50)"))
poly_layer.setRenderer(QgsSingleSymbolRenderer(symbol))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-118.5, 19.0, -81.4, 50.4))
ms.setLayers([poly_layer])
# Test rendering
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_simplefill')
renderchecker.setControlName('expected_simplefill_ddopacity')
res = renderchecker.runTest('expected_simplefill_ddopacity')
self.report += renderchecker.report()
self.assertTrue(res)
