def testVectorBlending(self):
"""Test that blend modes work for vector layers."""
# Add vector layers to map
myLayers = [self.mLineLayer, self.mPolygonLayer]
self.mapSettings.setLayers(myLayers)
self.mapSettings.setExtent(self.extent)
# Set blending modes for both layers
self.mLineLayer.setBlendMode(QPainter.CompositionMode_Difference)
self.mPolygonLayer.setBlendMode(QPainter.CompositionMode_Difference)
checker = QgsMultiRenderChecker()
checker.setControlName("expected_vector_blendmodes")
checker.setMapSettings(self.mapSettings)
checker.setColorTolerance(1)
myResult = checker.runTest("vector_blendmodes", 20)
myMessage = ('vector blending failed')
assert myResult, myMessage
# Reset layers
self.mLineLayer.setBlendMode(QPainter.CompositionMode_SourceOver)
self.mPolygonLayer.setBlendMode(QPainter.CompositionMode_SourceOver)
def testIntersectionRuleBased(self):
"""
Test that rule based renderer using intersection clip paths correctly uses original feature area for rule
evaluation, not clipped area
"""
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({
'color': '#ff00ff',
'outline_color': '#000000',
'outline_width': '1'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#00ffff',
'outline_color': '#000000',
'outline_width': '1'
})
r1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, 'area($geometry)>25')
r2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, 'ELSE')
rootrule = QgsRuleBasedRenderer.Rule(None)
rootrule.appendChild(r1)
rootrule.appendChild(r2)
renderer = QgsRuleBasedRenderer(rootrule)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(
QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
mapsettings.setEllipsoid('')
region = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))'
))
region.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
region2 = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))'
))
region2.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersection_rule_based')
result = renderchecker.runTest('expected_intersection_rule_based')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersection_rule_based')
result = renderchecker.runTest('expected_intersection_rule_based')
self.report += renderchecker.report()
self.assertTrue(result)
def testElse(self):
# Setup rendering check
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(self.mapsettings)
renderchecker.setControlName('expected_rulebased_else')
self.assertTrue(renderchecker.runTest('rulebased_else'))
def testRenderMultipleRenderersSelection(self):
"""
Test that selection colors only apply to main renderer
:return:
"""
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
poly_layer.selectAll()
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#000000',
'outline_style': 'no'
})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#33aa33',
'outline_width': '3'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#aa33aa',
'outline_width': '3'
})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(
QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_multiple_renderers_selection')
result = renderchecker.runTest('expected_multiple_renderers_selection')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_multiple_renderers_selection')
result = renderchecker.runTest('expected_multiple_renderers_selection')
self.report += renderchecker.report()
self.assertTrue(result)
def testRenderMultipleRenderersAboveAndBelow(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#000000',
'outline_width': '1'
})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return 3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#33aa33',
'outline_style': 'no',
'size': '5'
}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#aa33aa',
'outline_style': 'no',
'size': '5'
}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2'
def level(self):
return 2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#aa1111',
'outline_style': 'no',
'size': '8'
}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#1111dd',
'outline_style': 'no',
'size': '8'
}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
# add secondary renderer, for rendering below
class Gen1b(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1b'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#33aa33',
'outline_width': '3'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#aa33aa',
'outline_width': '3'
})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2b(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2b'
def level(self):
return -3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
sym1 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#aa1111',
'outline_width': '5'
})
sym2 = QgsFillSymbol.createSimple({
'color': '#ffaaff',
'outline_color': '#1111dd',
'outline_width': '5'
})
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
poly_layer.addFeatureRendererGenerator(Gen2())
poly_layer.addFeatureRendererGenerator(Gen1b())
poly_layer.addFeatureRendererGenerator(Gen2b())
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(
QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName(
'expected_multiple_renderers_both_above_below')
result = renderchecker.runTest(
'expected_multiple_renderers_both_above_below')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName(
'expected_multiple_renderers_both_above_below')
result = renderchecker.runTest(
'expected_multiple_renderers_both_above_below')
self.report += renderchecker.report()
self.assertTrue(result)