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 test_render_via_job(self):
"""
Test rendering an annotation layer via a map render job
"""
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:4326'))
settings.setExtent(QgsRectangle(10, 10, 18, 18))
settings.setOutputSize(QSize(200, 200))
settings.setLayers([layer])
job = QgsMapRendererParallelJob(settings)
job.start()
job.waitForFinished()
# check rendered item results
item_results = job.takeRenderedItemResults()
item_details = item_results.renderedItems()
self.assertEqual(len(item_details), 3)
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.assertCountEqual(
[i.itemId() for i in item_results.renderedAnnotationItemsInBounds(QgsRectangle(0, 0, 1, 1))], [])
self.assertCountEqual(
[i.itemId() for i in item_results.renderedAnnotationItemsInBounds(QgsRectangle(10, 10, 11, 18))], [i2_id])
self.assertCountEqual(
[i.itemId() for i in item_results.renderedAnnotationItemsInBounds(QgsRectangle(10, 10, 12, 18))],
[i1_id, i2_id, i3_id])
# bounds should be in map crs
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(1) for i in item_details if i.itemId() == i3_id][0],
'11.5,12.5 : 12.5,13.5')
def test_render_via_job_with_transform(self):
"""
Test rendering an annotation layer via a map render job
"""
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(200, 200))
settings.setLayers([layer])
job = QgsMapRendererSequentialJob(settings)
job.start()
job.waitForFinished()
# check rendered item results
item_results = job.takeRenderedItemResults()
item_details = item_results.renderedItems()
self.assertEqual(len(item_details), 3)
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])
# bounds should be in map crs
self.assertEqual(
[QgsGeometry.fromRect(i.boundingBox()).asWkt(0) for i in item_details if i.itemId() == i1_id][0],
'Polygon ((1280174 1459732, 1335834 1459732, 1335834 1516914, 1280174 1516914, 1280174 1459732))')
self.assertEqual(
[QgsGeometry.fromRect(i.boundingBox()).asWkt(0) for i in item_details if i.itemId() == i2_id][0],
'Polygon ((1224514 1459732, 1335834 1459732, 1335834 1689200, 1224514 1689200, 1224514 1459732))')
expected = 'Polygon ((1325786 1449684, 1345882 1449684, 1345882 1469780, 1325786 1469780, 1325786 1449684))'
result = [QgsGeometry.fromRect(i.boundingBox()).asWkt(0) for i in item_details if i.itemId() == i3_id][0]
self.assertTrue(compareWkt(result, expected, tol=1000), "mismatch Expected:\n{}\nGot:\n{}\n".format(expected,
result))
def testRenderLayerWithReferenceScale(self):
layer = QgsAnnotationLayer(
'test',
QgsAnnotationLayer.LayerOptions(
QgsProject.instance().transformContext()))
layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertTrue(layer.isValid())
item = QgsAnnotationPolygonItem(
QgsPolygon(
QgsLineString([
QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15),
QgsPoint(12, 13)
])))
item.setSymbol(
QgsFillSymbol.createSimple({
'color': '200,100,100',
'outline_color': 'black',
'outline_width': '2'
}))
item.setZIndex(3)
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(1)
i3_id = layer.addItem(item)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(10, 10, 18, 18))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
layer.item(i1_id).setUseSymbologyReferenceScale(True)
layer.item(i1_id).setSymbologyReferenceScale(rc.rendererScale() * 2)
# note item 3 has use symbology reference scale set to false, so should be ignored
layer.item(i2_id).setUseSymbologyReferenceScale(False)
layer.item(i2_id).setSymbologyReferenceScale(rc.rendererScale() * 2)
layer.item(i3_id).setUseSymbologyReferenceScale(True)
layer.item(i3_id).setSymbologyReferenceScale(rc.rendererScale() * 2)
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(int(96 / 25.4 * 1000))
image.setDotsPerMeterY(int(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_reference_scale',
'layer_render_reference_scale', 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(12, 13, 14, 15))
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(1) for i in item_details
if i.itemId() == i3_id
][0], '11.4,12.4 : 12.6,13.6')