def testMultiSurve(self):
# test rendering multisurface with markers at vertices and curve points
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.Vertex)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
marker_line2 = QgsMarkerLineSymbolLayer(True)
marker_line2.setPlacement(QgsMarkerLineSymbolLayer.CurvePoint)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Square, 4)
marker.setColor(QColor(0, 255, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line2.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line2.clone())
# rendering test
g = QgsGeometry.fromWkt('MultiSurface (CurvePolygon (CompoundCurve (CircularString (2606664.83926784340292215 1228868.83649749564938247, 2606666.84044930292293429 1228872.22980518848635256, 2606668.05855975672602654 1228875.62311288132332265, 2606674.45363963954150677 1228870.05460794945247471, 2606680.58769585331901908 1228866.00874108518473804, 2606680.7182076876051724 1228865.05165429995395243, 2606679.97864062618464231 1228864.61661485210061073, 2606671.93041084241122007 1228867.87941071065142751, 2606664.83926784340292215 1228868.79299355088733137),(2606664.83926784340292215 1228868.79299355088733137, 2606664.83926784340292215 1228868.83649749564938247))),Polygon ((2606677.23432376980781555 1228875.74241803237237036, 2606674.27243852382525802 1228874.75512295053340495, 2606675.61874999897554517 1228871.97274590120650828, 2606678.84989754017442465 1228870.35717213083989918, 2606680.64497950719669461 1228873.31905737658962607, 2606677.23432376980781555 1228875.74241803237237036)))')
self.assertFalse(g.isNull())
rendered_image = self.renderGeometry(s, g)
self.assertTrue(self.imageCheck('markerline_multisurface', 'markerline_multisurface', rendered_image))
def testCurvePolygon(self):
# test rendering curve polygon with markers at vertices and curve points
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.Vertex)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
marker_line2 = QgsMarkerLineSymbolLayer(True)
marker_line2.setPlacement(QgsMarkerLineSymbolLayer.CurvePoint)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Square, 4)
marker.setColor(QColor(0, 255, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line2.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line2.clone())
# rendering test
g = QgsGeometry.fromWkt('CurvePolygon (CompoundCurve (CircularString (2606711.1353147104382515 1228875.77055342611856759, 2606715.00784672703593969 1228870.79158369055949152, 2606721.16240653907880187 1228873.35022091586142778),(2606721.16240653907880187 1228873.35022091586142778, 2606711.1353147104382515 1228875.77055342611856759)))')
self.assertFalse(g.isNull())
rendered_image = self.renderGeometry(s, g)
self.assertTrue(self.imageCheck('markerline_curvepolygon', 'markerline_curvepolygon', rendered_image))
def testMultiCurve(self):
# test rendering multi curve with markers at vertices and curve points
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.Vertex)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
marker_line2 = QgsMarkerLineSymbolLayer(True)
marker_line2.setPlacement(QgsMarkerLineSymbolLayer.CurvePoint)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Square, 4)
marker.setColor(QColor(0, 255, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line2.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line2.clone())
# rendering test
g = QgsGeometry.fromWkt('MultiCurve (CompoundCurve (CircularString (2606668.74491960229352117 1228910.0701227153185755, 2606667.84593895543366671 1228899.48981202743016183, 2606678.70285907341167331 1228879.78139015776105225, 2606701.64743852475658059 1228866.43043032777495682, 2606724.96578619908541441 1228864.70617623627185822)),LineString (2606694.16802780656144023 1228913.44624055083841085, 2606716.84054400492459536 1228890.51009044284000993, 2606752.43112175865098834 1228906.59175890940241516))')
self.assertFalse(g.isNull())
rendered_image = self.renderGeometry(s, g)
self.assertTrue(self.imageCheck('markerline_multicurve', 'markerline_multicurve', rendered_image))
def testCompoundCurve(self):
# test rendering compound curve with markers at vertices and curve points
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.Vertex)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
marker_line2 = QgsMarkerLineSymbolLayer(True)
marker_line2.setPlacement(QgsMarkerLineSymbolLayer.CurvePoint)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Square, 4)
marker.setColor(QColor(0, 255, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line2.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line2.clone())
# rendering test
g = QgsGeometry.fromWkt('CompoundCurve (CircularString (2606642.3863534671254456 1228883.61571401031687856, 2606656.45901552261784673 1228882.30281259422190487, 2606652.60236761253327131 1228873.80998155777342618, 2606643.65822671446949244 1228875.45110832806676626, 2606642.3863534671254456 1228883.65674217976629734))')
self.assertFalse(g.isNull())
rendered_image = self.renderGeometry(s, g)
self.assertTrue(self.imageCheck('markerline_compoundcurve', 'markerline_compoundcurve', rendered_image))
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))
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
marker = QgsSimpleMarkerSymbolLayer(
QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
self.assertEqual(
s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings)
s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
self.assertEqual(
s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
s2 = s.clone()
self.assertEqual(
s2.symbolLayer(0).ringFilter(),
QgsLineSymbolLayer.ExteriorRingOnly)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(
s2.symbolLayer(0).ringFilter(),
QgsLineSymbolLayer.ExteriorRingOnly)
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(QgsMarkerLineSymbolLayer())
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
s3.symbolLayer(0).setAverageAngleLength(0)
g = QgsGeometry.fromWkt(
'Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))'
)
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('markerline_exterioronly',
'markerline_exterioronly', rendered_image)
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly)
g = QgsGeometry.fromWkt(
'Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))'
)
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('markerline_interioronly',
'markerline_interioronly', rendered_image)
def testDataDefinedOpacity(self):
line_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
line_layer = QgsVectorLayer(line_shp, 'Lines', 'ogr')
self.assertTrue(line_layer.isValid())
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint)
simple_marker = QgsSimpleMarkerSymbolLayer(
QgsSimpleMarkerSymbolLayer.Circle, 10)
simple_marker.setColor(QColor(0, 255, 0))
simple_marker.setStrokeColor(QColor(255, 0, 0))
simple_marker.setStrokeWidth(1)
simple_marker.setDataDefinedProperty(
QgsSymbolLayer.PropertyFillColor,
QgsProperty.fromExpression("if(Name='Arterial', 'red', 'green')"))
simple_marker.setDataDefinedProperty(
QgsSymbolLayer.PropertyStrokeColor,
QgsProperty.fromExpression(
"if(Name='Arterial', 'magenta', 'blue')"))
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, simple_marker)
marker_symbol.setOpacity(0.5)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
s.setDataDefinedProperty(
QgsSymbol.PropertyOpacity,
QgsProperty.fromExpression("if(\"Value\" = 1, 25, 50)"))
line_layer.setRenderer(QgsSingleSymbolRenderer(s))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-118.5, 19.0, -81.4, 50.4))
ms.setLayers([line_layer])
# Test rendering
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_markerline')
renderchecker.setControlName('expected_markerline_ddopacity')
res = renderchecker.runTest('expected_markerline_ddopacity')
self.report += renderchecker.report()
self.assertTrue(res)
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
s.appendSymbolLayer(marker_line.clone())
self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings)
s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
s2 = s.clone()
self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(
QgsMarkerLineSymbolLayer())
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
s3.symbolLayer(0).setAverageAngleLength(0)
g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('markerline_exterioronly', 'markerline_exterioronly', rendered_image)
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly)
g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('markerline_interioronly', 'markerline_interioronly', rendered_image)
def testCenterSegment(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.SegmentCenter)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
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 0, 0 10)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('markerline_segmentcenter', 'markerline_segmentcenter', rendered_image)
def testMarkerAverageAngleCenter(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
marker_line.setAverageAngleLength(60)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, marker_line)
s.appendSymbolLayer(marker_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('markerline_center_average_angle', 'markerline_center_average_angle', rendered_image)
def testNoPoint(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
marker_line.setOffsetAlongLine(1000)
marker_line.setIntervalUnit(QgsUnitTypes.RenderMapUnits)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Circle, 4)
marker.setColor(QColor(255, 0, 0, 100))
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, 0 10, 10 10)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('markerline_none', 'markerline_none', rendered_image)
def testNoPoint(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
marker_line.setOffsetAlongLine(1000)
marker_line.setIntervalUnit(QgsUnitTypes.RenderMapUnits)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Circle, 4)
marker.setColor(QColor(255, 0, 0, 100))
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, 0 10, 10 10)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('markerline_none', 'markerline_none', rendered_image)
def testMarkerAverageAngleRing(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
marker_line = QgsMarkerLineSymbolLayer(True)
marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
marker_line.setInterval(6)
marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
marker_line.setSubSymbol(marker_symbol)
marker_line.setAverageAngleLength(60)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, marker_line)
s.appendSymbolLayer(marker_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 0 10, 10 10, 10 0, 0 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('markerline_ring_average_angle', 'markerline_ring_average_angle', rendered_image)