本文整理汇总了Python中qgis.core.QgsPrintLayout类的典型用法代码示例。如果您正苦于以下问题：Python QgsPrintLayout类的具体用法？Python QgsPrintLayout怎么用？Python QgsPrintLayout使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QgsPrintLayout类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testRemoveLayout
def testRemoveLayout(self):
project = QgsProject()
layout = QgsPrintLayout(project)
layout.setName('test layout')
self.manager = QgsLayoutManager(project)
layout_removed_spy = QSignalSpy(self.manager.layoutRemoved)
layout_about_to_be_removed_spy = QSignalSpy(self.manager.layoutAboutToBeRemoved)
# tests that layout still exists when layoutAboutToBeRemoved is fired
self.manager.layoutAboutToBeRemoved.connect(self.layoutAboutToBeRemoved)
# not added, should fail
self.assertFalse(self.manager.removeLayout(layout))
self.assertEqual(len(layout_removed_spy), 0)
self.assertEqual(len(layout_about_to_be_removed_spy), 0)
self.assertTrue(self.manager.addLayout(layout))
self.assertEqual(self.manager.layouts(), [layout])
self.assertTrue(self.manager.removeLayout(layout))
self.assertEqual(len(self.manager.layouts()), 0)
self.assertEqual(len(layout_removed_spy), 1)
self.assertEqual(layout_removed_spy[0][0], 'test layout')
self.assertEqual(len(layout_about_to_be_removed_spy), 1)
self.assertEqual(layout_about_to_be_removed_spy[0][0], 'test layout')
self.assertTrue(self.aboutFired)
self.manager = None示例2: testAddLayout
def testAddLayout(self):
project = QgsProject()
layout = QgsPrintLayout(project)
layout.setName('test layout')
manager = QgsLayoutManager(project)
layout_about_to_be_added_spy = QSignalSpy(manager.layoutAboutToBeAdded)
layout_added_spy = QSignalSpy(manager.layoutAdded)
self.assertTrue(manager.addLayout(layout))
self.assertEqual(len(layout_about_to_be_added_spy), 1)
self.assertEqual(layout_about_to_be_added_spy[0][0], 'test layout')
self.assertEqual(len(layout_added_spy), 1)
self.assertEqual(layout_added_spy[0][0], 'test layout')
# adding it again should fail
self.assertFalse(manager.addLayout(layout))
# try adding a second layout
layout2 = QgsPrintLayout(project)
layout2.setName('test layout2')
self.assertTrue(manager.addLayout(layout2))
self.assertEqual(len(layout_added_spy), 2)
self.assertEqual(layout_about_to_be_added_spy[1][0], 'test layout2')
self.assertEqual(len(layout_about_to_be_added_spy), 2)
self.assertEqual(layout_added_spy[1][0], 'test layout2')
# adding a layout with duplicate name should fail
layout3 = QgsPrintLayout(project)
layout3.setName('test layout2')
self.assertFalse(manager.addLayout(layout3))示例3: testReadWriteXml
def testReadWriteXml(self):
"""
Test reading and writing layout manager state to XML
"""
project = QgsProject()
manager = QgsLayoutManager(project)
# add a bunch of layouts
layout = QgsPrintLayout(project)
layout.setName('test layout')
layout2 = QgsPrintLayout(project)
layout2.setName('test layout2')
layout3 = QgsPrintLayout(project)
layout3.setName('test layout3')
manager.addLayout(layout)
manager.addLayout(layout2)
manager.addLayout(layout3)
# save to xml
doc = QDomDocument("testdoc")
elem = manager.writeXml(doc)
doc.appendChild(elem)
# restore from xml
project2 = QgsProject()
manager2 = QgsLayoutManager(project2)
self.assertTrue(manager2.readXml(elem, doc))
self.assertEqual(len(manager2.layouts()), 3)
names = [c.name() for c in manager2.layouts()]
self.assertCountEqual(names, ['test layout', 'test layout2', 'test layout3'])示例4: testExpressionInText
def testExpressionInText(self):
"""Test expressions embedded in legend node text"""
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
layout = QgsPrintLayout(QgsProject.instance())
layout.setName('LAYOUT')
layout.initializeDefaults()
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(20, 20, 80, 80))
map.setFrameEnabled(True)
map.setLayers([point_layer])
layout.addLayoutItem(map)
map.setExtent(point_layer.extent())
legend = QgsLayoutItemLegend(layout)
legend.setTitle("Legend")
legend.attemptSetSceneRect(QRectF(120, 20, 100, 100))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(QgsLayoutMeasurement(2))
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
legend.setLegendFilterByMapEnabled(False)
legend.setStyleFont(QgsLegendStyle.Title, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Group, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Subgroup, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.Symbol, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setStyleFont(QgsLegendStyle.SymbolLabel, QgsFontUtils.getStandardTestFont('Bold', 16))
legend.setAutoUpdateModel(False)
QgsProject.instance().addMapLayers([point_layer])
s = QgsMapSettings()
s.setLayers([point_layer])
group = legend.model().rootGroup().addGroup("Group [% 1 + 5 %] [% @layout_name %]")
layer_tree_layer = group.addLayer(point_layer)
layer_tree_layer.setCustomProperty("legend/title-label", 'bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]')
QgsMapLayerLegendUtils.setLegendNodeUserLabel(layer_tree_layer, 0, 'xxxx')
legend.model().refreshLayerLegend(layer_tree_layer)
legend.model().layerLegendNodes(layer_tree_layer)[0].setUserLabel('bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]')
layout.addLayoutItem(legend)
legend.setLinkedMap(map)
map.setExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30))
checker = QgsLayoutChecker(
'composer_legend_expressions', layout)
checker.setControlPathPrefix("composer_legend")
result, message = checker.testLayout()
self.assertTrue(result, message)
QgsProject.instance().removeMapLayers([point_layer.id()])