def testDashPatternOffset(self):
s = QgsLineSymbol.createSimple({
'outline_color': '#ff0000',
'outline_width': '0.6'
})
s.symbolLayer(0).setDashPatternOffset(1.2)
s.symbolLayer(0).setDashPatternOffsetUnit(QgsUnitTypes.RenderPoints)
s.symbolLayer(0).setDashPatternOffsetMapUnitScale(
QgsMapUnitScale(5, 10))
s2 = s.clone()
self.assertEqual(s2.symbolLayer(0).dashPatternOffset(), 1.2)
self.assertEqual(
s2.symbolLayer(0).dashPatternOffsetUnit(),
QgsUnitTypes.RenderPoints)
self.assertEqual(
s2.symbolLayer(0).dashPatternOffsetMapUnitScale().minScale, 5)
self.assertEqual(
s2.symbolLayer(0).dashPatternOffsetMapUnitScale().maxScale, 10)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(s2.symbolLayer(0).dashPatternOffset(), 1.2)
self.assertEqual(
s2.symbolLayer(0).dashPatternOffsetUnit(),
QgsUnitTypes.RenderPoints)
self.assertEqual(
s2.symbolLayer(0).dashPatternOffsetMapUnitScale().minScale, 5)
self.assertEqual(
s2.symbolLayer(0).dashPatternOffsetMapUnitScale().maxScale, 10)
def testTrimDistance(self):
s = QgsLineSymbol.createSimple({'outline_color': '#ff0000', 'outline_width': '0.6'})
s.symbolLayer(0).setTrimDistanceStart(1.2)
s.symbolLayer(0).setTrimDistanceStartUnit(QgsUnitTypes.RenderPoints)
s.symbolLayer(0).setTrimDistanceStartMapUnitScale(QgsMapUnitScale(5, 10))
s.symbolLayer(0).setTrimDistanceEnd(3.2)
s.symbolLayer(0).setTrimDistanceEndUnit(QgsUnitTypes.RenderPercentage)
s.symbolLayer(0).setTrimDistanceEndMapUnitScale(QgsMapUnitScale(15, 20))
s2 = s.clone()
self.assertEqual(s2.symbolLayer(0).trimDistanceStart(), 1.2)
self.assertEqual(s2.symbolLayer(0).trimDistanceStartUnit(), QgsUnitTypes.RenderPoints)
self.assertEqual(s2.symbolLayer(0).trimDistanceStartMapUnitScale().minScale, 5)
self.assertEqual(s2.symbolLayer(0).trimDistanceStartMapUnitScale().maxScale, 10)
self.assertEqual(s2.symbolLayer(0).trimDistanceEnd(), 3.2)
self.assertEqual(s2.symbolLayer(0).trimDistanceEndUnit(), QgsUnitTypes.RenderPercentage)
self.assertEqual(s2.symbolLayer(0).trimDistanceEndMapUnitScale().minScale, 15)
self.assertEqual(s2.symbolLayer(0).trimDistanceEndMapUnitScale().maxScale, 20)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(s2.symbolLayer(0).trimDistanceStart(), 1.2)
self.assertEqual(s2.symbolLayer(0).trimDistanceStartUnit(), QgsUnitTypes.RenderPoints)
self.assertEqual(s2.symbolLayer(0).trimDistanceStartMapUnitScale().minScale, 5)
self.assertEqual(s2.symbolLayer(0).trimDistanceStartMapUnitScale().maxScale, 10)
self.assertEqual(s2.symbolLayer(0).trimDistanceEnd(), 3.2)
self.assertEqual(s2.symbolLayer(0).trimDistanceEndUnit(), QgsUnitTypes.RenderPercentage)
self.assertEqual(s2.symbolLayer(0).trimDistanceEndMapUnitScale().minScale, 15)
self.assertEqual(s2.symbolLayer(0).trimDistanceEndMapUnitScale().maxScale, 20)
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_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(hash_line.clone())
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
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('hashline_exterioronly',
'hashline_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('hashline_interioronly',
'hashline_interioronly', 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 testForceRHR(self):
# test forcing right hand rule during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
s.appendSymbolLayer(
QgsSimpleFillSymbolLayer(color=QColor(255, 0, 0),
strokeColor=QColor(0, 255, 0)))
self.assertFalse(s.forceRHR())
s.setForceRHR(True)
self.assertTrue(s.forceRHR())
s.setForceRHR(False)
self.assertFalse(s.forceRHR())
s.setForceRHR(True)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertTrue(s2.forceRHR())
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(
QgsSimpleFillSymbolLayer(color=QColor(255, 200, 200),
strokeColor=QColor(0, 255, 0),
strokeWidth=2))
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)
s3.appendSymbolLayer(marker_line)
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('force_rhr_off', 'polygon_forcerhr_off',
rendered_image)
s3.setForceRHR(True)
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('force_rhr_on', 'polygon_forcerhr_on',
rendered_image)
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
s.appendSymbolLayer(
QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=2))
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(
QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=2))
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
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('simpleline_exterioronly',
'simpleline_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('simpleline_interioronly',
'simpleline_interioronly', rendered_image)
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_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(
hash_line.clone())
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
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('hashline_exterioronly', 'hashline_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('hashline_interioronly', 'hashline_interioronly', 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 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 testForceRHR(self):
# test forcing right hand rule during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
s.appendSymbolLayer(
QgsSimpleFillSymbolLayer(color=QColor(255, 0, 0), strokeColor=QColor(0, 255, 0)))
self.assertFalse(s.forceRHR())
s.setForceRHR(True)
self.assertTrue(s.forceRHR())
s.setForceRHR(False)
self.assertFalse(s.forceRHR())
s.setForceRHR(True)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertTrue(s2.forceRHR())
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(
QgsSimpleFillSymbolLayer(color=QColor(255, 200, 200), strokeColor=QColor(0, 255, 0), strokeWidth=2))
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)
s3.appendSymbolLayer(marker_line)
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('force_rhr_off', 'polygon_forcerhr_off', rendered_image)
s3.setForceRHR(True)
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('force_rhr_on', 'polygon_forcerhr_on', rendered_image)
def testDashTweaks(self):
s = QgsLineSymbol.createSimple({'outline_color': '#ff0000', 'outline_width': '0.6'})
self.assertFalse(s.symbolLayer(0).alignDashPattern())
self.assertFalse(s.symbolLayer(0).tweakDashPatternOnCorners())
s.symbolLayer(0).setAlignDashPattern(True)
s.symbolLayer(0).setTweakDashPatternOnCorners(True)
s2 = s.clone()
self.assertTrue(s2.symbolLayer(0).alignDashPattern())
self.assertTrue(s2.symbolLayer(0).tweakDashPatternOnCorners())
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertTrue(s2.symbolLayer(0).alignDashPattern())
self.assertTrue(s2.symbolLayer(0).tweakDashPatternOnCorners())
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
s.appendSymbolLayer(
QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=2))
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(
QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=2))
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
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('simpleline_exterioronly', 'simpleline_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('simpleline_interioronly', 'simpleline_interioronly', rendered_image)
def testSimple(self):
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
random_fill = QgsRandomMarkerFillSymbolLayer(10, seed=481523)
marker = QgsSimpleMarkerSymbolLayer(
QgsSimpleMarkerSymbolLayer.Triangle, 4)
marker.setColor(QColor(255, 0, 0))
marker.setStrokeStyle(Qt.NoPen)
marker_symbol = QgsMarkerSymbol()
marker_symbol.changeSymbolLayer(0, marker)
random_fill.setSubSymbol(marker_symbol)
s.appendSymbolLayer(random_fill.clone())
self.assertEqual(s.symbolLayer(0).pointCount(), 10)
self.assertEqual(s.symbolLayer(0).seed(), 481523)
s.symbolLayer(0).setPointCount(5)
s.symbolLayer(0).setSeed(42)
self.assertEqual(s.symbolLayer(0).pointCount(), 5)
self.assertEqual(s.symbolLayer(0).seed(), 42)
s2 = s.clone()
self.assertEqual(s2.symbolLayer(0).pointCount(), 5)
self.assertEqual(s2.symbolLayer(0).seed(), 42)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(s2.symbolLayer(0).pointCount(), 5)
self.assertEqual(s2.symbolLayer(0).seed(), 42)
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(random_fill.clone())
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)
self.assertTrue(
self.imageCheck('randommarkerfill', 'randommarkerfill',
rendered_image))
s3.symbolLayer(0).setPointCount(3)
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)
self.assertTrue(
self.imageCheck('randommarkerfill_3', 'randommarkerfill_3',
rendered_image))
s3.symbolLayer(0).setSeed(12783)
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)
self.assertTrue(
self.imageCheck('randommarkerfill_seed', 'randommarkerfill_seed',
rendered_image))
# random seed
s3.symbolLayer(0).setSeed(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)
self.assertFalse(
self.imageCheck('randommarkerfill_seed',
'randommarkerfill_seed',
rendered_image,
expect_fail=True))
# density-based count
s3.symbolLayer(0).setSeed(1)
s3.symbolLayer(0).setCountMethod(
QgsRandomMarkerFillSymbolLayer.DensityBasedCount)
s3.symbolLayer(0).setPointCount(5)
s3.symbolLayer(0).setDensityArea(250) # 250 square millimeter
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)
self.assertTrue(
self.imageCheck('randommarkerfill_densitybasedcount',
'randommarkerfill_densitybasedcount',
rendered_image))