def createFormatSettings(self):
s = QgsTextFormat()
s.setBuffer(self.createBufferSettings())
s.setBackground(self.createBackgroundSettings())
s.setShadow(self.createShadowSettings())
s.setFont(getTestFont())
s.setNamedStyle('Roman')
s.setSize(5)
s.setSizeUnit(QgsUnitTypes.RenderPoints)
s.setSizeMapUnitScale(QgsMapUnitScale(1, 2))
s.setColor(QColor(255, 0, 0))
s.setOpacity(0.5)
s.setBlendMode(QPainter.CompositionMode_Difference)
s.setLineHeight(5)
return s
def checkLabeledLayerWithBlendModesCannotBeCached(self, job_type):
""" any labeled layer utilising blending modes cannot be cached"""
layer = QgsVectorLayer("Point?field=fldtxt:string",
"layer1", "memory")
labelSettings = QgsPalLayerSettings()
labelSettings.fieldName = "fldtxt"
layer.setLabeling(QgsVectorLayerSimpleLabeling(labelSettings))
layer.setLabelsEnabled(True)
layer2 = QgsVectorLayer("Point?field=fldtxt:string",
"layer2", "memory")
labelSettings2 = QgsPalLayerSettings()
labelSettings2.fieldName = "fldtxt"
format2 = QgsTextFormat()
format2.setBlendMode(QPainter.CompositionMode_SourceIn)
labelSettings2.setFormat(format2)
layer2.setLabeling(QgsVectorLayerSimpleLabeling(labelSettings2))
layer2.setLabelsEnabled(True)
settings = QgsMapSettings()
settings.setExtent(QgsRectangle(5, 25, 25, 45))
settings.setOutputSize(QSize(600, 400))
settings.setLayers([layer, layer2])
# with cache - cache should not be populated!
cache = QgsMapRendererCache()
job = job_type(settings)
job.setCache(cache)
job.start()
job.waitForFinished()
self.assertFalse(job.usedCachedLabels())
self.assertFalse(cache.hasCacheImage('_labels_'))
self.assertTrue(job.takeLabelingResults())
# second job should also not be able to use label cache
job = job_type(settings)
job.setCache(cache)
job.start()
job.waitForFinished()
# shouldn't use cache
self.assertFalse(job.usedCachedLabels())
# and results should not have been cached
self.assertFalse(cache.hasCacheImage('_labels_'))
self.assertTrue(job.takeLabelingResults())
def checkLabeledLayerWithBlendModesCannotBeCached(self, job_type):
""" any labeled layer utilising blending modes cannot be cached"""
layer = QgsVectorLayer("Point?field=fldtxt:string", "layer1", "memory")
labelSettings = QgsPalLayerSettings()
labelSettings.fieldName = "fldtxt"
layer.setLabeling(QgsVectorLayerSimpleLabeling(labelSettings))
layer2 = QgsVectorLayer("Point?field=fldtxt:string", "layer2",
"memory")
labelSettings2 = QgsPalLayerSettings()
labelSettings2.fieldName = "fldtxt"
format2 = QgsTextFormat()
format2.setBlendMode(QPainter.CompositionMode_SourceIn)
labelSettings2.setFormat(format2)
layer2.setLabeling(QgsVectorLayerSimpleLabeling(labelSettings2))
settings = QgsMapSettings()
settings.setExtent(QgsRectangle(5, 25, 25, 45))
settings.setOutputSize(QSize(600, 400))
settings.setLayers([layer, layer2])
# with cache - cache should not be populated!
cache = QgsMapRendererCache()
job = job_type(settings)
job.setCache(cache)
job.start()
job.waitForFinished()
self.assertFalse(job.usedCachedLabels())
self.assertFalse(cache.hasCacheImage('_labels_'))
self.assertTrue(job.takeLabelingResults())
# second job should also not be able to use label cache
job = job_type(settings)
job.setCache(cache)
job.start()
job.waitForFinished()
# shouldn't use cache
self.assertFalse(job.usedCachedLabels())
# and results should not have been cached
self.assertFalse(cache.hasCacheImage('_labels_'))
self.assertTrue(job.takeLabelingResults())
def createFormatSettings(self):
s = QgsTextFormat()
s.setBuffer(self.createBufferSettings())
s.setMask(self.createMaskSettings())
s.setBackground(self.createBackgroundSettings())
s.setShadow(self.createShadowSettings())
font = getTestFont()
font.setKerning(False)
s.setFont(font)
s.setNamedStyle('Roman')
s.setSize(5)
s.setSizeUnit(QgsUnitTypes.RenderPoints)
s.setSizeMapUnitScale(QgsMapUnitScale(1, 2))
s.setColor(QColor(255, 0, 0))
s.setOpacity(0.5)
s.setBlendMode(QPainter.CompositionMode_Difference)
s.setLineHeight(5)
s.setOrientation(QgsTextFormat.VerticalOrientation)
s.setPreviewBackgroundColor(QColor(100, 150, 200))
return s
