def testReadWriteXml(self):
p = QgsProject()
l = QgsLayout(p)
l.setName('my layout')
l.setUnits(QgsUnitTypes.LayoutInches)
collection = l.pageCollection()
# add a page
page = QgsLayoutItemPage(l)
page.setPageSize('A6')
collection.addPage(page)
grid = l.gridSettings()
grid.setResolution(QgsLayoutMeasurement(5, QgsUnitTypes.LayoutPoints))
g1 = QgsLayoutGuide(Qt.Horizontal, QgsLayoutMeasurement(5, QgsUnitTypes.LayoutCentimeters),
l.pageCollection().page(0))
l.guides().addGuide(g1)
snapper = l.snapper()
snapper.setSnapTolerance(7)
# add some items
item1 = QgsLayoutItemMap(l)
item1.setId('xxyyxx')
l.addItem(item1)
item2 = QgsLayoutItemMap(l)
item2.setId('zzyyzz')
l.addItem(item2)
l.setReferenceMap(item2)
doc = QDomDocument("testdoc")
elem = l.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
self.assertEqual(l2.name(), 'my layout')
self.assertEqual(l2.units(), QgsUnitTypes.LayoutInches)
collection2 = l2.pageCollection()
self.assertEqual(collection2.pageCount(), 1)
self.assertAlmostEqual(collection2.page(0).pageSize().width(), 105, 4)
self.assertEqual(collection2.page(0).pageSize().height(), 148)
self.assertEqual(l2.gridSettings().resolution().length(), 5.0)
self.assertEqual(l2.gridSettings().resolution().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(l2.guides().guidesOnPage(0)[0].orientation(), Qt.Horizontal)
self.assertEqual(l2.guides().guidesOnPage(0)[0].position().length(), 5.0)
self.assertEqual(l2.guides().guidesOnPage(0)[0].position().units(), QgsUnitTypes.LayoutCentimeters)
self.assertEqual(l2.snapper().snapTolerance(), 7)
# check restored items
new_item1 = l2.itemByUuid(item1.uuid())
self.assertTrue(new_item1)
self.assertEqual(new_item1.id(), 'xxyyxx')
new_item2 = l2.itemByUuid(item2.uuid())
self.assertTrue(new_item2)
self.assertEqual(new_item2.id(), 'zzyyzz')
self.assertEqual(l2.referenceMap().id(), 'zzyyzz')
def testReadWriteXml(self):
p = QgsProject()
l = QgsLayout(p)
l.setName('my layout')
l.setUnits(QgsUnitTypes.LayoutInches)
collection = l.pageCollection()
# add a page
page = QgsLayoutItemPage(l)
page.setPageSize('A6')
collection.addPage(page)
grid = l.gridSettings()
grid.setResolution(QgsLayoutMeasurement(5, QgsUnitTypes.LayoutPoints))
g1 = QgsLayoutGuide(Qt.Horizontal, QgsLayoutMeasurement(5, QgsUnitTypes.LayoutCentimeters),
l.pageCollection().page(0))
l.guides().addGuide(g1)
snapper = l.snapper()
snapper.setSnapTolerance(7)
# add some items
item1 = QgsLayoutItemMap(l)
item1.setId('xxyyxx')
l.addItem(item1)
item2 = QgsLayoutItemMap(l)
item2.setId('zzyyzz')
l.addItem(item2)
doc = QDomDocument("testdoc")
elem = l.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
self.assertEqual(l2.name(), 'my layout')
self.assertEqual(l2.units(), QgsUnitTypes.LayoutInches)
collection2 = l2.pageCollection()
self.assertEqual(collection2.pageCount(), 1)
self.assertAlmostEqual(collection2.page(0).pageSize().width(), 105, 4)
self.assertEqual(collection2.page(0).pageSize().height(), 148)
self.assertEqual(l2.gridSettings().resolution().length(), 5.0)
self.assertEqual(l2.gridSettings().resolution().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(l2.guides().guidesOnPage(0)[0].orientation(), Qt.Horizontal)
self.assertEqual(l2.guides().guidesOnPage(0)[0].position().length(), 5.0)
self.assertEqual(l2.guides().guidesOnPage(0)[0].position().units(), QgsUnitTypes.LayoutCentimeters)
self.assertEqual(l2.snapper().snapTolerance(), 7)
# check restored items
new_item1 = l2.itemByUuid(item1.uuid())
self.assertTrue(new_item1)
self.assertEqual(new_item1.id(), 'xxyyxx')
new_item2 = l2.itemByUuid(item2.uuid())
self.assertTrue(new_item2)
self.assertEqual(new_item2.id(), 'zzyyzz')
def testAddItemsFromXml(self):
p = QgsProject()
l = QgsLayout(p)
# add some items
item1 = QgsLayoutItemLabel(l)
item1.setId('xxyyxx')
item1.attemptMove(QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
item1.attemptResize(
QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
l.addItem(item1)
item2 = QgsLayoutItemLabel(l)
item2.setId('zzyyzz')
item2.attemptMove(
QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
item2.attemptResize(
QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
l.addItem(item2)
doc = QDomDocument("testdoc")
# store in xml
elem = l.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
new_items = l2.addItemsFromXml(elem, doc, QgsReadWriteContext())
self.assertEqual(len(new_items), 2)
items = l2.items()
self.assertTrue([i for i in items if i.id() == 'xxyyxx'])
self.assertTrue([i for i in items if i.id() == 'zzyyzz'])
self.assertTrue(new_items[0] in l2.items())
self.assertTrue(new_items[1] in l2.items())
new_item1 = [i for i in items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.positionWithUnits(),
QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.sizeWithUnits(),
QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(
new_item2.positionWithUnits(),
QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(
new_item2.sizeWithUnits(),
QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
# test with a group
group = QgsLayoutItemGroup(l)
group.addItem(item1)
group.addItem(item2)
l.addLayoutItem(group)
elem = l.writeXml(doc, QgsReadWriteContext())
l3 = QgsLayout(p)
new_items = l3.addItemsFromXml(elem, doc, QgsReadWriteContext())
self.assertEqual(len(new_items), 3)
items = l3.items()
self.assertTrue([i for i in items if i.id() == 'xxyyxx'])
self.assertTrue([i for i in items if i.id() == 'zzyyzz'])
self.assertTrue(new_items[0] in l3.items())
self.assertTrue(new_items[1] in l3.items())
self.assertTrue(new_items[2] in l3.items())
# f*** you sip, I'll just manually cast
new_group = sip.cast(l3.itemByUuid(group.uuid()), QgsLayoutItemGroup)
self.assertIsNotNone(new_group)
other_items = [i for i in new_items if i.type() != new_group.type()]
self.assertCountEqual(new_group.items(), other_items)
# test restoring at set position
l3 = QgsLayout(p)
new_items = l3.addItemsFromXml(elem, doc, QgsReadWriteContext(),
QPointF(10, 30))
self.assertEqual(len(new_items), 3)
items = l3.items()
new_item1 = [i for i in items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in items if i.id() == 'zzyyzz'][0]
self.assertEqual(
new_item1.positionWithUnits(),
QgsLayoutPoint(10, 30, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.sizeWithUnits(),
QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(
new_item2.positionWithUnits(),
QgsLayoutPoint(2.0, 4.0, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(
new_item2.sizeWithUnits(),
QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
# paste in place
l4 = QgsLayout(p)
page = QgsLayoutItemPage(l)
page.setPageSize('A3')
l4.pageCollection().addPage(page)
page = QgsLayoutItemPage(l)
page.setPageSize('A6')
l4.pageCollection().addPage(page)
new_items = l4.addItemsFromXml(elem, doc, QgsReadWriteContext(),
QPointF(10, 30), True)
self.assertEqual(len(new_items), 3)
new_item1 = [i for i in new_items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in new_items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.pagePositionWithUnits(),
QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.sizeWithUnits(),
QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.page(), 0)
self.assertEqual(
new_item2.pagePositionWithUnits(),
QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(
new_item2.sizeWithUnits(),
QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.page(), 0)
# paste in place, page 2
new_items = l4.addItemsFromXml(elem, doc, QgsReadWriteContext(),
QPointF(10, 550), True)
self.assertEqual(len(new_items), 3)
new_item1 = [i for i in new_items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in new_items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.pagePositionWithUnits(),
QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.page(), 1)
self.assertEqual(new_item1.sizeWithUnits(),
QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(
new_item2.pagePositionWithUnits(),
QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.page(), 1)
self.assertEqual(
new_item2.sizeWithUnits(),
QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
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 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))
class TestQgsComposerMap(unittest.TestCase):
def __init__(self, methodName):
"""Run once on class initialization."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'rgb256x256.png')
rasterFileInfo = QFileInfo(myPath)
self.raster_layer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
self.raster_layer.dataProvider(), 1, 2, 3)
self.raster_layer.setRenderer(rasterRenderer)
myPath = os.path.join(TEST_DATA_DIR, 'points.shp')
vector_file_info = QFileInfo(myPath)
self.vector_layer = QgsVectorLayer(vector_file_info.filePath(),
vector_file_info.completeBaseName(),
'ogr')
assert self.vector_layer.isValid()
# pipe = mRasterLayer.pipe()
# assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsProject.instance().addMapLayers(
[self.raster_layer, self.vector_layer])
# create composition with composer map
self.layout = QgsLayout(QgsProject.instance())
self.layout.initializeDefaults()
self.map = QgsLayoutItemMap(self.layout)
self.map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
self.map.setFrameEnabled(True)
self.map.setLayers([self.raster_layer])
self.layout.addLayoutItem(self.map)
def testOverviewMap(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
checker = QgsLayoutChecker('composermap_overview', self.layout)
checker.setColorTolerance(6)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
overviewMap.overview().setBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsLayoutChecker('composermap_overview_blending',
self.layout)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
overviewMap.overview().setInverted(True)
checker = QgsLayoutChecker('composermap_overview_invert', self.layout)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapCenter(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(192, -288, 320, -224)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
overviewMap.overview().setInverted(False)
overviewMap.overview().setCentered(True)
checker = QgsLayoutChecker('composermap_overview_center', self.layout)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testMapCrs(self):
# create composition with composer map
map_settings = QgsMapSettings()
map_settings.setLayers([self.vector_layer])
layout = QgsLayout(QgsProject.instance())
layout.initializeDefaults()
# check that new maps inherit project CRS
QgsProject.instance().setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
map.setFrameEnabled(True)
rectangle = QgsRectangle(-13838977, 2369660, -8672298, 6250909)
map.setExtent(rectangle)
map.setLayers([self.vector_layer])
layout.addLayoutItem(map)
self.assertEqual(map.crs().authid(), 'EPSG:4326')
self.assertFalse(map.presetCrs().isValid())
# overwrite CRS
map.setCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
self.assertEqual(map.crs().authid(), 'EPSG:3857')
self.assertEqual(map.presetCrs().authid(), 'EPSG:3857')
checker = QgsLayoutChecker('composermap_crs3857', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.assertTrue(result, message)
# overwrite CRS
map.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertEqual(map.presetCrs().authid(), 'EPSG:4326')
self.assertEqual(map.crs().authid(), 'EPSG:4326')
rectangle = QgsRectangle(-124, 17, -78, 52)
map.zoomToExtent(rectangle)
checker = QgsLayoutChecker('composermap_crs4326', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.assertTrue(result, message)
# change back to project CRS
map.setCrs(QgsCoordinateReferenceSystem())
self.assertEqual(map.crs().authid(), 'EPSG:4326')
self.assertFalse(map.presetCrs().isValid())
def testuniqueId(self):
return
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.layout.writeXml(documentElement, doc)
self.layout.addItemsFromXml(documentElement, doc)
# test if both composer maps have different ids
newMap = QgsComposerMap(self.layout, 0, 0, 10, 10)
mapList = self.layout.composerMapItems()
for mapIt in mapList:
if mapIt != self.map:
newMap = mapIt
break
oldId = self.map.id()
newId = newMap.id()
self.layout.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testWorldFileGeneration(self):
return
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375,
3345223.125)
self.map.setNewExtent(myRectangle)
self.map.setMapRotation(30.0)
self.layout.setGenerateWorldFile(True)
self.layout.setReferenceMap(self.map)
p = self.layout.computeWorldFileParameters()
pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146,
2.4136013686911886, -4.179969388427311, 3342408.5663611)
ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03)
for i in range(0, 6):
assert abs(p[i] - pexpected[i]) < ptolerance[i]
class TestQgsComposerMap(unittest.TestCase):
def __init__(self, methodName):
"""Run once on class initialization."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'rgb256x256.png')
rasterFileInfo = QFileInfo(myPath)
self.raster_layer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
self.raster_layer.dataProvider(), 1, 2, 3)
self.raster_layer.setRenderer(rasterRenderer)
myPath = os.path.join(TEST_DATA_DIR, 'points.shp')
vector_file_info = QFileInfo(myPath)
self.vector_layer = QgsVectorLayer(vector_file_info.filePath(),
vector_file_info.completeBaseName(), 'ogr')
assert self.vector_layer.isValid()
# pipe = mRasterLayer.pipe()
# assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsProject.instance().addMapLayers([self.raster_layer, self.vector_layer])
# create composition with composer map
self.layout = QgsLayout(QgsProject.instance())
self.layout.initializeDefaults()
self.map = QgsLayoutItemMap(self.layout)
self.map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
self.map.setFrameEnabled(True)
self.map.setLayers([self.raster_layer])
self.layout.addLayoutItem(self.map)
def testOverviewMap(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
checker = QgsLayoutChecker('composermap_overview', self.layout)
checker.setColorTolerance(6)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
overviewMap.overview().setBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsLayoutChecker('composermap_overview_blending', self.layout)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
overviewMap.overview().setInverted(True)
checker = QgsLayoutChecker('composermap_overview_invert', self.layout)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapCenter(self):
overviewMap = QgsLayoutItemMap(self.layout)
overviewMap.attemptSetSceneRect(QRectF(20, 130, 70, 70))
overviewMap.setFrameEnabled(True)
overviewMap.setLayers([self.raster_layer])
self.layout.addLayoutItem(overviewMap)
# zoom in
myRectangle = QgsRectangle(192, -288, 320, -224)
self.map.setExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setExtent(myRectangle2)
overviewMap.overview().setFrameMap(self.map)
overviewMap.overview().setInverted(False)
overviewMap.overview().setCentered(True)
checker = QgsLayoutChecker('composermap_overview_center', self.layout)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testLayout()
self.layout.removeLayoutItem(overviewMap)
assert myTestResult, myMessage
def testMapCrs(self):
# create composition with composer map
map_settings = QgsMapSettings()
map_settings.setLayers([self.vector_layer])
layout = QgsLayout(QgsProject.instance())
layout.initializeDefaults()
# check that new maps inherit project CRS
QgsProject.instance().setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 200, 100))
map.setFrameEnabled(True)
rectangle = QgsRectangle(-13838977, 2369660, -8672298, 6250909)
map.setExtent(rectangle)
map.setLayers([self.vector_layer])
layout.addLayoutItem(map)
self.assertEqual(map.crs().authid(), 'EPSG:4326')
self.assertFalse(map.presetCrs().isValid())
# overwrite CRS
map.setCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
self.assertEqual(map.crs().authid(), 'EPSG:3857')
self.assertEqual(map.presetCrs().authid(), 'EPSG:3857')
checker = QgsLayoutChecker('composermap_crs3857', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.assertTrue(result, message)
# overwrite CRS
map.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertEqual(map.presetCrs().authid(), 'EPSG:4326')
self.assertEqual(map.crs().authid(), 'EPSG:4326')
rectangle = QgsRectangle(-124, 17, -78, 52)
map.zoomToExtent(rectangle)
checker = QgsLayoutChecker('composermap_crs4326', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.assertTrue(result, message)
# change back to project CRS
map.setCrs(QgsCoordinateReferenceSystem())
self.assertEqual(map.crs().authid(), 'EPSG:4326')
self.assertFalse(map.presetCrs().isValid())
def testuniqueId(self):
return
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.layout.writeXml(documentElement, doc)
self.layout.addItemsFromXml(documentElement, doc)
# test if both composer maps have different ids
newMap = QgsComposerMap(self.layout, 0, 0, 10, 10)
mapList = self.layout.composerMapItems()
for mapIt in mapList:
if mapIt != self.map:
newMap = mapIt
break
oldId = self.map.id()
newId = newMap.id()
self.layout.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testWorldFileGeneration(self):
return
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125)
self.map.setNewExtent(myRectangle)
self.map.setMapRotation(30.0)
self.layout.setGenerateWorldFile(True)
self.layout.setReferenceMap(self.map)
p = self.layout.computeWorldFileParameters()
pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146,
2.4136013686911886, -4.179969388427311, 3342408.5663611)
ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03)
for i in range(0, 6):
assert abs(p[i] - pexpected[i]) < ptolerance[i]
def testAddItemsFromXml(self):
p = QgsProject()
l = QgsLayout(p)
# add some items
item1 = QgsLayoutItemLabel(l)
item1.setId('xxyyxx')
item1.attemptMove(QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
item1.attemptResize(QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
l.addItem(item1)
item2 = QgsLayoutItemLabel(l)
item2.setId('zzyyzz')
item2.attemptMove(QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
item2.attemptResize(QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
l.addItem(item2)
doc = QDomDocument("testdoc")
# store in xml
elem = l.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
new_items = l2.addItemsFromXml(elem, doc, QgsReadWriteContext())
self.assertEqual(len(new_items), 2)
items = l2.items()
self.assertTrue([i for i in items if i.id() == 'xxyyxx'])
self.assertTrue([i for i in items if i.id() == 'zzyyzz'])
self.assertTrue(new_items[0] in l2.items())
self.assertTrue(new_items[1] in l2.items())
new_item1 = [i for i in items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.positionWithUnits(), QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.sizeWithUnits(), QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item2.positionWithUnits(), QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.sizeWithUnits(), QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
# test with a group
group = QgsLayoutItemGroup(l)
group.addItem(item1)
group.addItem(item2)
l.addLayoutItem(group)
elem = l.writeXml(doc, QgsReadWriteContext())
l3 = QgsLayout(p)
new_items = l3.addItemsFromXml(elem, doc, QgsReadWriteContext())
self.assertEqual(len(new_items), 3)
items = l3.items()
self.assertTrue([i for i in items if i.id() == 'xxyyxx'])
self.assertTrue([i for i in items if i.id() == 'zzyyzz'])
self.assertTrue(new_items[0] in l3.items())
self.assertTrue(new_items[1] in l3.items())
self.assertTrue(new_items[2] in l3.items())
# f*** you sip, I'll just manually cast
new_group = sip.cast(l3.itemByUuid(group.uuid()), QgsLayoutItemGroup)
self.assertIsNotNone(new_group)
other_items = [i for i in new_items if i.type() != new_group.type()]
self.assertCountEqual(new_group.items(), other_items)
# test restoring at set position
l3 = QgsLayout(p)
new_items = l3.addItemsFromXml(elem, doc, QgsReadWriteContext(), QPointF(10, 30))
self.assertEqual(len(new_items), 3)
items = l3.items()
new_item1 = [i for i in items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.positionWithUnits(), QgsLayoutPoint(10, 30, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.sizeWithUnits(), QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item2.positionWithUnits(), QgsLayoutPoint(2.0, 4.0, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.sizeWithUnits(), QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
# paste in place
l4 = QgsLayout(p)
page = QgsLayoutItemPage(l)
page.setPageSize('A3')
l4.pageCollection().addPage(page)
page = QgsLayoutItemPage(l)
page.setPageSize('A6')
l4.pageCollection().addPage(page)
new_items = l4.addItemsFromXml(elem, doc, QgsReadWriteContext(), QPointF(10, 30), True)
self.assertEqual(len(new_items), 3)
new_item1 = [i for i in new_items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in new_items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.pagePositionWithUnits(), QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.sizeWithUnits(), QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.page(), 0)
self.assertEqual(new_item2.pagePositionWithUnits(), QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.sizeWithUnits(), QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.page(), 0)
# paste in place, page 2
new_items = l4.addItemsFromXml(elem, doc, QgsReadWriteContext(), QPointF(10, 550), True)
self.assertEqual(len(new_items), 3)
new_item1 = [i for i in new_items if i.id() == 'xxyyxx'][0]
new_item2 = [i for i in new_items if i.id() == 'zzyyzz'][0]
self.assertEqual(new_item1.pagePositionWithUnits(), QgsLayoutPoint(4, 8, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item1.page(), 1)
self.assertEqual(new_item1.sizeWithUnits(), QgsLayoutSize(18, 12, QgsUnitTypes.LayoutMillimeters))
self.assertEqual(new_item2.pagePositionWithUnits(), QgsLayoutPoint(1.4, 1.8, QgsUnitTypes.LayoutCentimeters))
self.assertEqual(new_item2.page(), 1)
self.assertEqual(new_item2.sizeWithUnits(), QgsLayoutSize(2.8, 2.2, QgsUnitTypes.LayoutCentimeters))
