def testReset(self):
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
layer.addItem(
QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15),
QgsPoint(12, 13)
]))))
layer.addItem(
QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)])))
layer.addItem(QgsAnnotationMarkerItem(QgsPoint(12, 13)))
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
layer.setOpacity(0.5)
layer.reset()
self.assertEqual(len(layer.items()), 0)
self.assertEqual(layer.opacity(), 1.0)
self.assertFalse(layer.crs().isValid())
def testRenderWithTransform(self):
layer = QgsAnnotationLayer('test', QgsAnnotationLayer.LayerOptions(QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(QgsLineString([QgsPoint(11.5, 13), QgsPoint(12, 13), QgsPoint(12, 13.5), QgsPoint(11.5, 13)])))
item.setSymbol(
QgsFillSymbol.createSimple({'color': '200,100,100', 'outline_color': 'black', 'outline_width': '2'}))
item.setZIndex(1)
i1_id = layer.addItem(item)
item = QgsAnnotationLineItem(QgsLineString([QgsPoint(11, 13), QgsPoint(12, 13), QgsPoint(12, 15)]))
item.setSymbol(QgsLineSymbol.createSimple({'color': '#ffff00', 'line_width': '3'}))
item.setZIndex(2)
i2_id = layer.addItem(item)
item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
item.setSymbol(QgsMarkerSymbol.createSimple({'color': '100,200,200', 'size': '6', 'outline_color': 'black'}))
item.setZIndex(3)
i3_id = layer.addItem(item)
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
settings.setExtent(QgsRectangle(1250958, 1386945, 1420709, 1532518))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setCoordinateTransform(QgsCoordinateTransform(layer.crs(), settings.destinationCrs(), QgsProject.instance()))
rc.setExtent(
rc.coordinateTransform().transformBoundingBox(settings.extent(), QgsCoordinateTransform.ReverseTransform))
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(96 / 25.4 * 1000)
image.setDotsPerMeterY(96 / 25.4 * 1000)
image.fill(QColor(255, 255, 255))
painter = QPainter(image)
rc.setPainter(painter)
try:
renderer = layer.createMapRenderer(rc)
renderer.render()
finally:
painter.end()
self.assertTrue(self.imageCheck('layer_render_transform', 'layer_render_transform', image))
# also check details of rendered items
item_details = renderer.takeRenderedItemDetails()
self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3)
self.assertCountEqual([i.itemId() for i in item_details], [i1_id, i2_id, i3_id])
self.assertEqual([i.boundingBox() for i in item_details if i.itemId() == i1_id][0],
QgsRectangle(11.5, 13, 12, 13.5))
self.assertEqual([i.boundingBox() for i in item_details if i.itemId() == i2_id][0],
QgsRectangle(11, 13, 12, 15))
self.assertEqual([i.boundingBox().toString(2) for i in item_details if i.itemId() == i3_id][0],
'11.94,12.94 : 12.06,13.06')
def testReadWriteXml(self):
doc = QDomDocument("testdoc")
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
polygon_item_id = layer.addItem(
QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15),
QgsPoint(12, 13)
]))))
linestring_item_id = layer.addItem(
QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)])))
marker_item_id = layer.addItem(
QgsAnnotationMarkerItem(QgsPoint(12, 13)))
elem = doc.createElement("maplayer")
self.assertTrue(layer.writeLayerXml(elem, doc, QgsReadWriteContext()))
layer2 = QgsAnnotationLayer(
'test2',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer2.readLayerXml(elem, QgsReadWriteContext()))
self.assertEqual(layer2.crs().authid(), 'EPSG:4326')
self.assertEqual(len(layer2.items()), 3)
self.assertIsInstance(layer2.items()[polygon_item_id],
QgsAnnotationPolygonItem)
self.assertIsInstance(layer2.items()[linestring_item_id],
QgsAnnotationLineItem)
self.assertIsInstance(layer2.items()[marker_item_id],
QgsAnnotationMarkerItem)
def testRenderWithTransform(self):
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(11.5, 13),
QgsPoint(12, 13),
QgsPoint(12, 13.5),
QgsPoint(11.5, 13)
])))
item.setSymbol(
QgsFillSymbol.createSimple({
'color': '200,100,100',
'outline_color': 'black',
'outline_width': '2'
}))
item.setZIndex(1)
layer.addItem(item)
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(11, 13),
QgsPoint(12, 13),
QgsPoint(12, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(2)
layer.addItem(item)
item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
item.setSymbol(
QgsMarkerSymbol.createSimple({
'color': '100,200,200',
'size': '6',
'outline_color': 'black'
}))
item.setZIndex(3)
layer.addItem(item)
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
settings.setExtent(QgsRectangle(1250958, 1386945, 1420709, 1532518))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setCoordinateTransform(
QgsCoordinateTransform(layer.crs(), settings.destinationCrs(),
QgsProject.instance()))
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(96 / 25.4 * 1000)
image.setDotsPerMeterY(96 / 25.4 * 1000)
image.fill(QColor(255, 255, 255))
painter = QPainter(image)
rc.setPainter(painter)
try:
renderer = layer.createMapRenderer(rc)
renderer.render()
finally:
painter.end()
self.assertTrue(
self.imageCheck('layer_render_transform', 'layer_render_transform',
image))