def testTwoColor(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
line = QgsLineburstSymbolLayer()
line.setColor(QColor(255, 0, 0))
line.setColor2(QColor(0, 255, 0))
line.setWidth(8)
s.appendSymbolLayer(line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
self.assertTrue(
self.imageCheck('lineburst_two_color', 'lineburst_two_color',
rendered_image))
def testRenderBevelJoin(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
line = QgsLineburstSymbolLayer()
line.setColor(QColor(255, 0, 0))
line.setColor2(QColor(0, 255, 0))
line.setWidth(8)
line.setPenJoinStyle(Qt.BevelJoin)
s.appendSymbolLayer(line.clone())
g = QgsGeometry.fromWkt('LineString(2 2, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
self.assertTrue(
self.imageCheck('lineburst_beveljoin', 'lineburst_beveljoin',
rendered_image))
def testRenderFlatCap(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
line = QgsLineburstSymbolLayer()
line.setColor(QColor(255, 0, 0))
line.setColor2(QColor(0, 255, 0))
line.setWidth(8)
line.setPenCapStyle(Qt.FlatCap)
s.appendSymbolLayer(line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
self.assertTrue(
self.imageCheck('lineburst_flatcap', 'lineburst_flatcap',
rendered_image))
def testColorRamp(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
line = QgsLineburstSymbolLayer()
line.setGradientColorType(Qgis.GradientColorSource.ColorRamp)
line.setColorRamp(
QgsGradientColorRamp(QColor(200, 0, 0), QColor(0, 200, 0), False,
[QgsGradientStop(0.5, QColor(0, 0, 200))]))
line.setWidth(8)
s.appendSymbolLayer(line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
self.assertTrue(
self.imageCheck('lineburst_colorramp', 'lineburst_colorramp',
rendered_image))
def testDataDefinedColors(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
line = QgsLineburstSymbolLayer()
line.setColor(QColor(255, 0, 0))
line.setColor2(QColor(0, 255, 0))
line.setWidth(8)
line.setDataDefinedProperty(QgsSymbolLayer.PropertyStrokeColor,
QgsProperty.fromExpression("'orange'"))
line.setDataDefinedProperty(QgsSymbolLayer.PropertySecondaryColor,
QgsProperty.fromExpression("'purple'"))
s.appendSymbolLayer(line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
self.assertTrue(
self.imageCheck('lineburst_datadefined_color',
'lineburst_datadefined_color', rendered_image))