def testPalPropertiesReadWrite(self):
tmpDir = QTemporaryDir()
tmpFile = "{}/project.qgs".format(tmpDir.path())
s0 = QgsLabelingEngineSettings()
s0.setNumCandidatePositions(3, 33, 333)
p0 = QgsProject()
p0.setFileName(tmpFile)
p0.setLabelingEngineSettings(s0)
p0.write()
p1 = QgsProject()
p1.read(tmpFile)
s1 = p1.labelingEngineSettings()
candidates = s1.numCandidatePositions()
self.assertEqual(candidates[0], 3)
self.assertEqual(candidates[1], 33)
self.assertEqual(candidates[2], 333)
def testPalPropertiesReadWrite(self):
tmpDir = QTemporaryDir()
tmpFile = "{}/project.qgs".format(tmpDir.path())
s0 = QgsLabelingEngineSettings()
s0.setNumCandidatePositions(3, 33, 333)
p0 = QgsProject()
p0.setFileName(tmpFile)
p0.setLabelingEngineSettings(s0)
p0.write()
p1 = QgsProject()
p1.read(tmpFile)
s1 = p1.labelingEngineSettings()
candidates = s1.numCandidatePositions()
self.assertEqual(candidates[0], 3)
self.assertEqual(candidates[1], 33)
self.assertEqual(candidates[2], 333)
def testBlockingItems(self):
"""
Test rendering map item with blocking items
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl",
"memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly,
True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
map.setId('map')
layout.addLayoutItem(map)
map2 = QgsLayoutItemMap(layout)
map2.attemptSetSceneRect(QRectF(0, 5, 50, 80))
map2.setFrameEnabled(True)
map2.setBackgroundEnabled(False)
map2.setId('map2')
layout.addLayoutItem(map2)
map3 = QgsLayoutItemMap(layout)
map3.attemptSetSceneRect(QRectF(150, 160, 50, 50))
map3.setFrameEnabled(True)
map3.setBackgroundEnabled(False)
map3.setId('map3')
layout.addLayoutItem(map3)
map.addLabelBlockingItem(map2)
map.addLabelBlockingItem(map3)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_blockers', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
doc = QDomDocument("testdoc")
elem = layout.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
map_restore = [
i for i in l2.items()
if isinstance(i, QgsLayoutItemMap) and i.id() == 'map'
][0]
map2_restore = [
i for i in l2.items()
if isinstance(i, QgsLayoutItemMap) and i.id() == 'map2'
][0]
map3_restore = [
i for i in l2.items()
if isinstance(i, QgsLayoutItemMap) and i.id() == 'map3'
][0]
self.assertTrue(map_restore.isLabelBlockingItem(map2_restore))
self.assertTrue(map_restore.isLabelBlockingItem(map3_restore))
def testPartialLabels(self):
"""
Test rendering map item with a show partial labels flag
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl",
"memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates,
False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly,
True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
# default should always be to hide partial labels
self.assertFalse(map.mapFlags() & QgsLayoutItemMap.ShowPartialLabels)
# hiding partial labels (the default)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# showing partial labels
map.setMapFlags(QgsLayoutItemMap.ShowPartialLabels)
checker = QgsLayoutChecker('composermap_show_partial_labels', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testLabelMargin(self):
"""
Test rendering map item with a label margin set
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl",
"memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates,
False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly,
True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(
QgsLayoutMeasurement(15, QgsUnitTypes.LayoutMillimeters))
checker = QgsLayoutChecker('composermap_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(
QgsLayoutMeasurement(3, QgsUnitTypes.LayoutCentimeters))
checker = QgsLayoutChecker('composermap_label_cm_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setMapRotation(45)
map.zoomToExtent(vl.extent())
map.setScale(map.scale() * 1.2)
checker = QgsLayoutChecker('composermap_rotated_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# data defined
map.setMapRotation(0)
map.zoomToExtent(vl.extent())
map.dataDefinedProperties().setProperty(
QgsLayoutObject.MapLabelMargin, QgsProperty.fromExpression('1+3'))
map.refresh()
checker = QgsLayoutChecker('composermap_dd_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testBlockingItems(self):
"""
Test rendering map item with blocking items
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
map.setId('map')
layout.addLayoutItem(map)
map2 = QgsLayoutItemMap(layout)
map2.attemptSetSceneRect(QRectF(0, 5, 50, 80))
map2.setFrameEnabled(True)
map2.setBackgroundEnabled(False)
map2.setId('map2')
layout.addLayoutItem(map2)
map3 = QgsLayoutItemMap(layout)
map3.attemptSetSceneRect(QRectF(150, 160, 50, 50))
map3.setFrameEnabled(True)
map3.setBackgroundEnabled(False)
map3.setId('map3')
layout.addLayoutItem(map3)
map.addLabelBlockingItem(map2)
map.addLabelBlockingItem(map3)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_blockers', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
doc = QDomDocument("testdoc")
elem = layout.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
map_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map'][0]
map2_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map2'][0]
map3_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map3'][0]
self.assertTrue(map_restore.isLabelBlockingItem(map2_restore))
self.assertTrue(map_restore.isLabelBlockingItem(map3_restore))
def testPartialLabels(self):
"""
Test rendering map item with a show partial labels flag
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
# default should always be to hide partial labels
self.assertFalse(map.mapFlags() & QgsLayoutItemMap.ShowPartialLabels)
# hiding partial labels (the default)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# showing partial labels
map.setMapFlags(QgsLayoutItemMap.ShowPartialLabels)
checker = QgsLayoutChecker('composermap_show_partial_labels', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testLabelMargin(self):
"""
Test rendering map item with a label margin set
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(QgsLayoutMeasurement(15, QgsUnitTypes.LayoutMillimeters))
checker = QgsLayoutChecker('composermap_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(QgsLayoutMeasurement(3, QgsUnitTypes.LayoutCentimeters))
checker = QgsLayoutChecker('composermap_label_cm_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setMapRotation(45)
map.zoomToExtent(vl.extent())
map.setScale(map.scale() * 1.2)
checker = QgsLayoutChecker('composermap_rotated_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# data defined
map.setMapRotation(0)
map.zoomToExtent(vl.extent())
map.dataDefinedProperties().setProperty(QgsLayoutObject.MapLabelMargin, QgsProperty.fromExpression('1+3'))
map.refresh()
checker = QgsLayoutChecker('composermap_dd_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)