示例#1
2
    def testRenderLineLayerDataDefined(self):
        """ test that rendering a line symbol with data defined enabled layer works"""

        lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
        lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
        QgsProject.instance().addMapLayer(lines_layer)

        layer = QgsSimpleLineSymbolLayer()
        layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled, QgsProperty.fromExpression("Name='Highway'"))
        layer.setColor(QColor(100, 150, 150))
        layer.setWidth(5)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)
        lines_layer.setRenderer(QgsSingleSymbolRenderer(symbol))

        ms = QgsMapSettings()
        ms.setOutputSize(QSize(400, 400))
        ms.setOutputDpi(96)
        ms.setExtent(QgsRectangle(-133, 22, -70, 52))
        ms.setLayers([lines_layer])

        renderchecker = QgsMultiRenderChecker()
        renderchecker.setMapSettings(ms)
        renderchecker.setControlPathPrefix('symbol_layer')
        renderchecker.setControlName('expected_linelayer_ddenabled')
        self.assertTrue(renderchecker.runTest('linelayer_ddenabled'))
        QgsProject.instance().removeMapLayer(lines_layer)
示例#2
0
    def testRenderLineLayerDataDefined(self):
        """ test that rendering a line symbol with data defined enabled layer works"""

        lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
        lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
        QgsProject.instance().addMapLayer(lines_layer)

        layer = QgsSimpleLineSymbolLayer()
        layer.setDataDefinedProperty(
            QgsSymbolLayer.PropertyLayerEnabled,
            QgsProperty.fromExpression("Name='Highway'"))
        layer.setColor(QColor(100, 150, 150))
        layer.setWidth(5)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)
        lines_layer.setRenderer(QgsSingleSymbolRenderer(symbol))

        ms = QgsMapSettings()
        ms.setOutputSize(QSize(400, 400))
        ms.setOutputDpi(96)
        ms.setExtent(QgsRectangle(-133, 22, -70, 52))
        ms.setLayers([lines_layer])

        renderchecker = QgsMultiRenderChecker()
        renderchecker.setMapSettings(ms)
        renderchecker.setControlPathPrefix('symbol_layer')
        renderchecker.setControlName('expected_linelayer_ddenabled')
        self.assertTrue(renderchecker.runTest('linelayer_ddenabled'))
        QgsProject.instance().removeMapLayer(lines_layer)
    def testOpacityWithDataDefinedColor(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)
        hash_line = QgsHashedLineSymbolLayer(True)
        simple_line = QgsSimpleLineSymbolLayer()
        simple_line.setColor(QColor(0, 255, 0))
        simple_line.setDataDefinedProperty(QgsSymbolLayer.PropertyStrokeColor, QgsProperty.fromExpression(
            "if(Name='Arterial', 'red', 'green')"))

        simple_line.setWidth(1)
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, simple_line)
        line_symbol.setOpacity(0.5)
        hash_line.setSubSymbol(line_symbol)
        hash_line.setHashLength(10)
        hash_line.setAverageAngleLength(0)
        s.appendSymbolLayer(hash_line.clone())

        # set opacity on both the symbol and subsymbol, to test that they get combined
        s.setOpacity(0.5)

        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_hashline')
        renderchecker.setControlName('expected_hashline_opacityddcolor')
        res = renderchecker.runTest('expected_hashline_opacityddcolor')
        self.report += renderchecker.report()
        self.assertTrue(res)
示例#4
0
    def testCondenseFillAndOutline(self):
        """
        Test QgsSymbolLayerUtils.condenseFillAndOutline
        """
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            None, None))

        # not simple fill or line
        self.assertFalse(
            QgsSymbolLayerUtils.condenseFillAndOutline(
                QgsShapeburstFillSymbolLayer(), QgsSimpleLineSymbolLayer()))
        self.assertFalse(
            QgsSymbolLayerUtils.condenseFillAndOutline(
                QgsSimpleFillSymbolLayer(), QgsMarkerLineSymbolLayer()))

        # simple fill/line
        fill = QgsSimpleFillSymbolLayer()
        line = QgsSimpleLineSymbolLayer()

        # set incompatible settings on outline
        line.setUseCustomDashPattern(True)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setDashPatternOffset(1)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setAlignDashPattern(True)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setTweakDashPatternOnCorners(True)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setTrimDistanceStart(1)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setTrimDistanceEnd(1)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setDrawInsidePolygon(True)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setRingFilter(QgsSimpleLineSymbolLayer.ExteriorRingOnly)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setOffset(1)
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        line = QgsSimpleLineSymbolLayer()
        line.setDataDefinedProperty(QgsSymbolLayer.PropertyTrimEnd,
                                    QgsProperty.fromValue(4))
        self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
            fill, line))

        # compatible!
        line = QgsSimpleLineSymbolLayer()
        line.setColor(QColor(255, 0, 0))
        line.setWidth(1.2)
        line.setWidthUnit(QgsUnitTypes.RenderPoints)
        line.setWidthMapUnitScale(QgsMapUnitScale(1, 2))
        line.setPenJoinStyle(Qt.MiterJoin)
        line.setPenStyle(Qt.DashDotDotLine)
        self.assertTrue(QgsSymbolLayerUtils.condenseFillAndOutline(fill, line))

        self.assertEqual(fill.strokeColor(), QColor(255, 0, 0))
        self.assertEqual(fill.strokeWidth(), 1.2)
        self.assertEqual(fill.strokeWidthUnit(), QgsUnitTypes.RenderPoints)
        self.assertEqual(fill.strokeWidthMapUnitScale(), QgsMapUnitScale(1, 2))
        self.assertEqual(fill.penJoinStyle(), Qt.MiterJoin)
        self.assertEqual(fill.strokeStyle(), Qt.DashDotDotLine)