def testProjectMainAnnotationLayer(self):
p = QgsProject()
self.assertIsNotNone(p.mainAnnotationLayer())
# add some items to project annotation layer
polygon_item_id = p.mainAnnotationLayer().addItem(QgsAnnotationPolygonItem(
QgsPolygon(QgsLineString([QgsPoint(12, 13), QgsPoint(14, 13), QgsPoint(14, 15), QgsPoint(12, 13)]))))
linestring_item_id = p.mainAnnotationLayer().addItem(
QgsAnnotationLineItem(QgsLineString([QgsPoint(11, 13), QgsPoint(12, 13), QgsPoint(12, 15)])))
marker_item_id = p.mainAnnotationLayer().addItem(QgsAnnotationMarkerItem(QgsPoint(12, 13)))
# save project to xml
tmpDir = QTemporaryDir()
tmpFile = "{}/project.qgs".format(tmpDir.path())
self.assertTrue(p.write(tmpFile))
# test that annotation layer is cleared with project
p.clear()
self.assertEqual(len(p.mainAnnotationLayer().items()), 0)
# check that main annotation layer is restored on project read
p2 = QgsProject()
self.assertTrue(p2.read(tmpFile))
self.assertEqual(len(p2.mainAnnotationLayer().items()), 3)
self.assertIsInstance(p2.mainAnnotationLayer().items()[polygon_item_id], QgsAnnotationPolygonItem)
self.assertIsInstance(p2.mainAnnotationLayer().items()[linestring_item_id], QgsAnnotationLineItem)
self.assertIsInstance(p2.mainAnnotationLayer().items()[marker_item_id], QgsAnnotationMarkerItem)
def testMainAnnotationLayer(self):
"""
Make sure main annotation layer is rendered in maps above all other layers
"""
p = QgsProject()
vl = QgsVectorLayer("Polygon?crs=epsg:4326&field=fldtxt:string",
"layer", "memory")
sym3 = QgsFillSymbol.createSimple({'color': '#b200b2'})
vl.renderer().setSymbol(sym3)
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.setFrameStrokeWidth(
QgsLayoutMeasurement(2, QgsUnitTypes.LayoutMillimeters))
map.setBackgroundEnabled(True)
map.setBackgroundColor(QColor(200, 255, 200))
map.zoomToExtent(QgsRectangle(10, 30, 20, 35))
map.setLayers([vl])
layout.addLayoutItem(map)
# add polygon to layer
f = QgsFeature()
f.setGeometry(QgsGeometry.fromRect(QgsRectangle(5, 25, 25, 45)))
self.assertTrue(vl.dataProvider().addFeatures([f]))
# no annotation yet...
checker = QgsLayoutChecker('composermap_annotation_empty', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
TestQgsLayoutMap.report += checker.report()
self.assertTrue(result, message)
annotation_layer = p.mainAnnotationLayer()
annotation_layer.setCrs(QgsCoordinateReferenceSystem(4326))
annotation_geom = QgsGeometry.fromRect(QgsRectangle(12, 30, 18, 33))
annotation = QgsAnnotationPolygonItem(
annotation_geom.constGet().clone())
sym3 = QgsFillSymbol.createSimple({
'color': '#ff0000',
'outline_style': 'no'
})
annotation.setSymbol(sym3)
annotation_layer.addItem(annotation)
# annotation must be drawn above map layers
checker = QgsLayoutChecker('composermap_annotation_item', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
TestQgsLayoutMap.report += checker.report()
self.assertTrue(result, message)
def testMainAnnotationLayerCrs(self):
p = QgsProject()
self.assertEqual(p.crs(), p.mainAnnotationLayer().crs())
# main annotation layer should follow project crs
p.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(p.crs(), p.mainAnnotationLayer().crs())
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertEqual(p.crs(), p.mainAnnotationLayer().crs())
# add an item, should lock in the crs for the main annotation layer
p.mainAnnotationLayer().addItem(
QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15),
QgsPoint(12, 13)
]))))
p.setCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
self.assertEqual(p.mainAnnotationLayer().crs().authid(), 'EPSG:4326')
