def testRenderFillLayerDisabled(self):
""" test that rendering a fill symbol with disabled layer works"""
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('Polygon ((0 0, 10 0, 10 10, 0 10, 0 0))')
f = QgsFeature()
f.setGeometry(geom)
extent = geom.constGet().boundingBox()
# buffer extent by 10%
extent = extent.buffered((extent.height() + extent.width()) / 20.0)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
def testGettersSetters(self):
""" test base class getters/setters """
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
self.assertFalse(layer.enabled())
layer.setEnabled(True)
self.assertTrue(layer.enabled())
layer.setLocked(False)
self.assertFalse(layer.isLocked())
layer.setLocked(True)
self.assertTrue(layer.isLocked())
layer.setRenderingPass(5)
self.assertEqual(layer.renderingPass(), 5)
def testClone(self):
""" test that base symbol layer properties are cloned with layer """
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
layer.setLocked(True)
layer.setRenderingPass(5)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
cloned_symbol = symbol.clone()
cloned_layer = cloned_symbol.symbolLayer(0)
self.assertFalse(cloned_layer.enabled())
self.assertTrue(cloned_layer.isLocked())
self.assertEqual(cloned_layer.renderingPass(), 5)
def testClone(self):
""" test that base symbol layer properties are cloned with layer """
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
layer.setLocked(True)
layer.setRenderingPass(5)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
cloned_symbol = symbol.clone()
cloned_layer = cloned_symbol.symbolLayer(0)
self.assertFalse(cloned_layer.enabled())
self.assertTrue(cloned_layer.isLocked())
self.assertEqual(cloned_layer.renderingPass(), 5)
def testGettersSetters(self):
""" test base class getters/setters """
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
self.assertFalse(layer.enabled())
layer.setEnabled(True)
self.assertTrue(layer.enabled())
layer.setLocked(False)
self.assertFalse(layer.isLocked())
layer.setLocked(True)
self.assertTrue(layer.isLocked())
layer.setRenderingPass(5)
self.assertEqual(layer.renderingPass(), 5)
def testSaveRestore(self):
""" Test saving and restoring base symbol layer properties to xml"""
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
layer.setLocked(True)
layer.setRenderingPass(5)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
doc = QDomDocument("testdoc")
elem = QgsSymbolLayerUtils.saveSymbol('test', symbol, doc, QgsReadWriteContext())
restored_symbol = QgsSymbolLayerUtils.loadSymbol(elem, QgsReadWriteContext())
restored_layer = restored_symbol.symbolLayer(0)
self.assertFalse(restored_layer.enabled())
self.assertTrue(restored_layer.isLocked())
self.assertEqual(restored_layer.renderingPass(), 5)
def testSaveRestore(self):
""" Test saving and restoring base symbol layer properties to xml"""
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
layer.setLocked(True)
layer.setRenderingPass(5)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
doc = QDomDocument("testdoc")
elem = QgsSymbolLayerUtils.saveSymbol('test', symbol, doc, QgsReadWriteContext())
restored_symbol = QgsSymbolLayerUtils.loadSymbol(elem, QgsReadWriteContext())
restored_layer = restored_symbol.symbolLayer(0)
self.assertFalse(restored_layer.enabled())
self.assertTrue(restored_layer.isLocked())
self.assertEqual(restored_layer.renderingPass(), 5)
def append_SimpleFillSymbolLayer(symbol, layer: SimpleFillSymbolLayer):
"""
Appends a SimpleFillSymbolLayer to a symbol
"""
fill_color = symbol_color_to_qcolor(layer.color)
out = QgsSimpleFillSymbolLayer(fill_color)
out.setEnabled(layer.enabled)
out.setLocked(layer.locked)
if isinstance(layer, SimpleFillSymbolLayer):
if layer.outline_layer:
if isinstance(layer.outline_layer, (SimpleLineSymbolLayer, CartographicLineSymbolLayer)):
out.setStrokeColor(symbol_color_to_qcolor(layer.outline_layer.color))
out.setStrokeWidth(layer.outline_layer.width)
out.setStrokeWidthUnit(QgsUnitTypes.RenderPoints)
if isinstance(layer.outline_layer, SimpleLineSymbolLayer):
out.setStrokeStyle(symbol_pen_to_qpenstyle(layer.outline_layer.line_type))
if isinstance(layer.outline_layer, CartographicLineSymbolLayer):
out.setPenJoinStyle(symbol_pen_to_qpenjoinstyle(layer.outline_layer.join))
# better matching of null stroke color to QGIS symbology
if out.strokeColor().alpha() == 0:
out.setStrokeStyle(Qt.NoPen)
# todo - change to new symbol layer if outline offset, template, etc set
symbol.appendSymbolLayer(out)
elif layer.outline_symbol:
# outline is a symbol itself
out.setStrokeStyle(Qt.NoPen)
symbol.appendSymbolLayer(out)
# get all layers from outline
append_SymbolLayer_to_QgsSymbolLayer(symbol, layer.outline_symbol)
else:
out.setStrokeStyle(Qt.NoPen)
symbol.appendSymbolLayer(out)
elif isinstance(layer, ColorSymbol):
out.setStrokeStyle(Qt.NoPen)
symbol.appendSymbolLayer(out)
def testRenderFillLayerDisabled(self):
""" test that rendering a fill symbol with disabled layer works"""
layer = QgsSimpleFillSymbolLayer()
layer.setEnabled(False)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('Polygon ((0 0, 10 0, 10 10, 0 10, 0 0))')
f = QgsFeature()
f.setGeometry(geom)
extent = geom.constGet().boundingBox()
# buffer extent by 10%
extent = extent.buffered((extent.height() + extent.width()) / 20.0)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(
self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
def append_SimpleFillSymbolLayer(
symbol, # pylint: disable=too-many-branches
layer: SimpleFillSymbolLayer,
context: Context):
"""
Appends a SimpleFillSymbolLayer to a symbol
"""
fill_color = symbol_color_to_qcolor(layer.color)
out = QgsSimpleFillSymbolLayer(fill_color)
out.setEnabled(layer.enabled)
out.setLocked(layer.locked)
if isinstance(layer, SimpleFillSymbolLayer):
if layer.outline_layer:
if isinstance(
layer.outline_layer,
(SimpleLineSymbolLayer, CartographicLineSymbolLayer)):
out.setStrokeColor(
symbol_color_to_qcolor(layer.outline_layer.color))
out.setStrokeWidth(
context.convert_size(layer.outline_layer.width))
out.setStrokeWidthUnit(context.units)
if isinstance(layer.outline_layer, SimpleLineSymbolLayer):
out.setStrokeStyle(
symbol_pen_to_qpenstyle(layer.outline_layer.line_type))
if isinstance(layer.outline_layer, CartographicLineSymbolLayer):
out.setPenJoinStyle(
symbol_pen_to_qpenjoinstyle(layer.outline_layer.join))
# better matching of null stroke color to QGIS symbology
if out.strokeColor().alpha() == 0:
out.setStrokeStyle(Qt.NoPen)
# TODO
try:
if layer.outline_layer.offset:
raise NotImplementedException(
'Fill outline offset not supported')
except AttributeError:
pass
try:
if layer.outline_layer.template:
raise NotImplementedException(
'Fill outline template not supported')
except AttributeError:
pass
try:
if layer.outline_layer.decoration:
raise NotImplementedException(
'Fill outline decoration not supported')
except AttributeError:
pass
symbol.appendSymbolLayer(out)
elif layer.outline_symbol:
# outline is a symbol itself
out.setStrokeStyle(Qt.NoPen)
symbol.appendSymbolLayer(out)
# get all layers from outline
append_SymbolLayer_to_QgsSymbolLayer(symbol, layer.outline_symbol,
context)
else:
out.setStrokeStyle(Qt.NoPen)
symbol.appendSymbolLayer(out)
elif isinstance(layer, ColorSymbol):
out.setStrokeStyle(Qt.NoPen)
symbol.appendSymbolLayer(out)
