def __init__(self, map_theme, layer, extent, tile_size, mupp, output,
make_trans, map_settings):
"""
:param map_theme:
:param extent:
:param layer:
:param tile_size:
:param mupp:
:param output:
:param map_settings: Map canvas map settings used for some fallback
values and CRS
"""
self.extent = extent
self.mupp = mupp
self.tile_size = tile_size
driver = self.getDriverForFile(output)
if not driver:
raise QgsProcessingException(
u'Could not load GDAL driver for file {}'.format(output))
crs = map_settings.destinationCrs()
self.x_tile_count = math.ceil(extent.width() / mupp / tile_size)
self.y_tile_count = math.ceil(extent.height() / mupp / tile_size)
xsize = self.x_tile_count * tile_size
ysize = self.y_tile_count * tile_size
if make_trans:
no_bands = 4
else:
no_bands = 3
self.dataset = driver.Create(output, xsize, ysize, no_bands)
self.dataset.SetProjection(str(crs.toWkt()))
self.dataset.SetGeoTransform(
[extent.xMinimum(), mupp, 0,
extent.yMaximum(), 0, -mupp])
self.image = QImage(QSize(tile_size, tile_size), QImage.Format_ARGB32)
self.settings = QgsMapSettings()
self.settings.setOutputDpi(self.image.logicalDpiX())
self.settings.setOutputImageFormat(QImage.Format_ARGB32)
self.settings.setDestinationCrs(crs)
self.settings.setOutputSize(self.image.size())
self.settings.setFlag(QgsMapSettings.Antialiasing, True)
self.settings.setFlag(QgsMapSettings.RenderMapTile, True)
self.settings.setFlag(QgsMapSettings.UseAdvancedEffects, True)
if make_trans:
self.settings.setBackgroundColor(QColor(255, 255, 255, 0))
else:
self.settings.setBackgroundColor(QColor(255, 255, 255))
if QgsProject.instance().mapThemeCollection().hasMapTheme(map_theme):
self.settings.setLayers(QgsProject.instance().mapThemeCollection().
mapThemeVisibleLayers(map_theme))
self.settings.setLayerStyleOverrides(QgsProject.instance(
).mapThemeCollection().mapThemeStyleOverrides(map_theme))
elif layer:
self.settings.setLayers([layer])
else:
self.settings.setLayers(map_settings.layers())
def testExportToImage(self):
md = QgsProject.instance().metadata()
md.setTitle('proj title')
md.setAuthor('proj author')
md.setCreationDateTime(
QDateTime(QDate(2011, 5, 3), QTime(9, 4, 5), QTimeZone(36000)))
md.setIdentifier('proj identifier')
md.setAbstract('proj abstract')
md.setKeywords({'kw': ['kw1', 'kw2'], 'KWx': ['kw3', 'kw4']})
QgsProject.instance().setMetadata(md)
l = QgsLayout(QgsProject.instance())
l.initializeDefaults()
# add a second page
page2 = QgsLayoutItemPage(l)
page2.setPageSize('A5')
l.pageCollection().addPage(page2)
# add some items
item1 = QgsLayoutItemShape(l)
item1.attemptSetSceneRect(QRectF(10, 20, 100, 150))
fill = QgsSimpleFillSymbolLayer()
fill_symbol = QgsFillSymbol()
fill_symbol.changeSymbolLayer(0, fill)
fill.setColor(Qt.green)
fill.setStrokeStyle(Qt.NoPen)
item1.setSymbol(fill_symbol)
l.addItem(item1)
item2 = QgsLayoutItemShape(l)
item2.attemptSetSceneRect(QRectF(10, 20, 100, 150))
item2.attemptMove(QgsLayoutPoint(10, 20), page=1)
fill = QgsSimpleFillSymbolLayer()
fill_symbol = QgsFillSymbol()
fill_symbol.changeSymbolLayer(0, fill)
fill.setColor(Qt.cyan)
fill.setStrokeStyle(Qt.NoPen)
item2.setSymbol(fill_symbol)
l.addItem(item2)
exporter = QgsLayoutExporter(l)
# setup settings
settings = QgsLayoutExporter.ImageExportSettings()
settings.dpi = 80
rendered_file_path = os.path.join(self.basetestpath,
'test_exporttoimagedpi.png')
self.assertEqual(exporter.exportToImage(rendered_file_path, settings),
QgsLayoutExporter.Success)
self.assertTrue(
self.checkImage('exporttoimagedpi_page1', 'exporttoimagedpi_page1',
rendered_file_path))
page2_path = os.path.join(self.basetestpath,
'test_exporttoimagedpi_2.png')
self.assertTrue(
self.checkImage('exporttoimagedpi_page2', 'exporttoimagedpi_page2',
page2_path))
for f in (rendered_file_path, page2_path):
d = gdal.Open(f)
metadata = d.GetMetadata()
self.assertEqual(metadata['Author'], 'proj author')
self.assertEqual(metadata['Created'], '2011-05-03T09:04:05+10:00')
self.assertEqual(metadata['Keywords'], 'KWx: kw3,kw4;kw: kw1,kw2')
self.assertEqual(metadata['Subject'], 'proj abstract')
self.assertEqual(metadata['Title'], 'proj title')
# crop to contents
settings.cropToContents = True
settings.cropMargins = QgsMargins(10, 20, 30, 40)
rendered_file_path = os.path.join(self.basetestpath,
'test_exporttoimagecropped.png')
self.assertEqual(exporter.exportToImage(rendered_file_path, settings),
QgsLayoutExporter.Success)
self.assertTrue(
self.checkImage('exporttoimagecropped_page1',
'exporttoimagecropped_page1', rendered_file_path))
page2_path = os.path.join(self.basetestpath,
'test_exporttoimagecropped_2.png')
self.assertTrue(
self.checkImage('exporttoimagecropped_page2',
'exporttoimagecropped_page2', page2_path))
# specific pages
settings.cropToContents = False
settings.pages = [1]
rendered_file_path = os.path.join(self.basetestpath,
'test_exporttoimagepages.png')
self.assertEqual(exporter.exportToImage(rendered_file_path, settings),
QgsLayoutExporter.Success)
self.assertFalse(os.path.exists(rendered_file_path))
page2_path = os.path.join(self.basetestpath,
'test_exporttoimagepages_2.png')
self.assertTrue(
self.checkImage('exporttoimagedpi_page2', 'exporttoimagedpi_page2',
page2_path))
# image size
settings.imageSize = QSize(600, 851)
rendered_file_path = os.path.join(self.basetestpath,
'test_exporttoimagesize.png')
self.assertEqual(exporter.exportToImage(rendered_file_path, settings),
QgsLayoutExporter.Success)
self.assertFalse(os.path.exists(rendered_file_path))
page2_path = os.path.join(self.basetestpath,
'test_exporttoimagesize_2.png')
self.assertTrue(
self.checkImage('exporttoimagesize_page2',
'exporttoimagesize_page2', page2_path))
# image size with incorrect aspect ratio
# this can happen as a result of data defined page sizes
settings.imageSize = QSize(851, 600)
rendered_file_path = os.path.join(
self.basetestpath, 'test_exporttoimagesizebadaspect.png')
self.assertEqual(exporter.exportToImage(rendered_file_path, settings),
QgsLayoutExporter.Success)
page2_path = os.path.join(self.basetestpath,
'test_exporttoimagesizebadaspect_2.png')
im = QImage(page2_path)
self.assertTrue(
self.checkImage('exporttoimagesize_badaspect',
'exporttoimagedpi_page2', page2_path),
'{}x{}'.format(im.width(), im.height()))
def processAlgorithm(self, parameters, context, feedback):
feedback.setProgress(1)
extent = self.parameterAsExtent(parameters, self.EXTENT, context)
min_zoom = self.parameterAsInt(parameters, self.ZOOM_MIN, context)
max_zoom = self.parameterAsInt(parameters, self.ZOOM_MAX, context)
dpi = self.parameterAsInt(parameters, self.DPI, context)
tile_format = self.formats[self.parameterAsEnum(
parameters, self.TILE_FORMAT, context)]
output_format = self.outputs[self.parameterAsEnum(
parameters, self.OUTPUT_FORMAT, context)]
if output_format == 'Directory':
output_dir = self.parameterAsString(parameters,
self.OUTPUT_DIRECTORY, context)
if not output_dir:
raise QgsProcessingException(
self.tr('You need to specify output directory.'))
else: # MBTiles
output_file = self.parameterAsString(parameters, self.OUTPUT_FILE,
context)
if not output_file:
raise QgsProcessingException(
self.tr('You need to specify output filename.'))
tile_width = 256
tile_height = 256
wgs_crs = QgsCoordinateReferenceSystem('EPSG:4326')
dest_crs = QgsCoordinateReferenceSystem('EPSG:3857')
project = context.project()
src_to_wgs = QgsCoordinateTransform(project.crs(), wgs_crs,
context.transformContext())
wgs_to_dest = QgsCoordinateTransform(wgs_crs, dest_crs,
context.transformContext())
settings = QgsMapSettings()
settings.setOutputImageFormat(QImage.Format_ARGB32_Premultiplied)
settings.setDestinationCrs(dest_crs)
settings.setLayers(self.layers)
settings.setOutputDpi(dpi)
wgs_extent = src_to_wgs.transformBoundingBox(extent)
wgs_extent = [
wgs_extent.xMinimum(),
wgs_extent.yMinimum(),
wgs_extent.xMaximum(),
wgs_extent.yMaximum()
]
metatiles_by_zoom = {}
metatiles_count = 0
for zoom in range(min_zoom, max_zoom + 1):
metatiles = get_metatiles(wgs_extent, zoom, 4)
metatiles_by_zoom[zoom] = metatiles
metatiles_count += len(metatiles)
lab_buffer_px = 100
progress = 0
tile_params = {
'format': tile_format,
'quality': 75,
'width': tile_width,
'height': tile_height
}
if output_format == 'Directory':
writer = DirectoryWriter(output_dir, tile_params)
else:
writer = MBTilesWriter(output_file, tile_params, wgs_extent,
min_zoom, max_zoom)
for zoom in range(min_zoom, max_zoom + 1):
feedback.pushConsoleInfo('Generating tiles for zoom level: %s' %
zoom)
for i, metatile in enumerate(metatiles_by_zoom[zoom]):
size = QSize(tile_width * metatile.rows(),
tile_height * metatile.columns())
extent = QgsRectangle(*metatile.extent())
settings.setExtent(wgs_to_dest.transformBoundingBox(extent))
settings.setOutputSize(size)
label_area = QgsRectangle(settings.extent())
lab_buffer = label_area.width() * (lab_buffer_px /
size.width())
label_area.set(label_area.xMinimum() + lab_buffer,
label_area.yMinimum() + lab_buffer,
label_area.xMaximum() - lab_buffer,
label_area.yMaximum() - lab_buffer)
settings.setLabelBoundaryGeometry(
QgsGeometry.fromRect(label_area))
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(Qt.transparent)
dpm = settings.outputDpi() / 25.4 * 1000
image.setDotsPerMeterX(dpm)
image.setDotsPerMeterY(dpm)
painter = QPainter(image)
job = QgsMapRendererCustomPainterJob(settings, painter)
job.renderSynchronously()
painter.end()
# For analysing metatiles (labels, etc.)
# metatile_dir = os.path.join(output_dir, str(zoom))
# os.makedirs(metatile_dir, exist_ok=True)
# image.save(os.path.join(metatile_dir, 'metatile_%s.png' % i))
for r, c, tile in metatile.tiles:
tile_img = image.copy(tile_width * r, tile_height * c,
tile_width, tile_height)
writer.writeTile(tile, tile_img)
progress += 1
feedback.setProgress(100 * (progress / metatiles_count))
writer.close()
results = {}
if output_format == 'Directory':
results['OUTPUT_DIRECTORY'] = output_dir
else: # MBTiles
results['OUTPUT_FILE'] = output_file
return results
def saveSpritesSheet(icons, folder):
sprites = {}
for iconPath, sl in icons.items():
iconName = os.path.splitext(os.path.basename(iconPath))[0]
sprites[iconName] = saveSymbolLayerSprite(sl)
if sprites:
height = max([s.height() for s, s2x in sprites.values()])
width = sum([s.width() for s, s2x in sprites.values()])
img = QImage(width, height, QImage.Format_ARGB32)
img.fill(QColor(Qt.transparent))
img2x = QImage(width * 2, height * 2, QImage.Format_ARGB32)
img2x.fill(QColor(Qt.transparent))
painter = QPainter(img)
painter.begin(img)
painter2x = QPainter(img2x)
painter2x.begin(img2x)
spritesheet = {
NO_ICON: {
"width": 0,
"height": 0,
"x": 0,
"y": 0,
"pixelRatio": 1
}
}
spritesheet2x = {
NO_ICON: {
"width": 0,
"height": 0,
"x": 0,
"y": 0,
"pixelRatio": 1
}
}
x = 0
for name, _sprites in sprites.items():
s, s2x = _sprites
painter.drawImage(x, 0, s)
painter2x.drawImage(x * 2, 0, s2x)
spritesheet[name] = {
"width": s.width(),
"height": s.height(),
"x": x,
"y": 0,
"pixelRatio": 1
}
spritesheet2x[name] = {
"width": s2x.width(),
"height": s2x.height(),
"x": x * 2,
"y": 0,
"pixelRatio": 2
}
x += s.width()
painter.end()
painter2x.end()
img.save(os.path.join(folder, "spriteSheet.png"))
img2x.save(os.path.join(folder, "*****@*****.**"))
with open(os.path.join(folder, "spriteSheet.json"), 'w') as f:
json.dump(spritesheet, f)
with open(os.path.join(folder, "*****@*****.**"), 'w') as f:
json.dump(spritesheet2x, f)
def generate(self, writer, parameters, context, feedback):
feedback.setProgress(1)
extent = self.parameterAsExtent(parameters, self.EXTENT, context)
self.min_zoom = self.parameterAsInt(parameters, self.ZOOM_MIN, context)
self.max_zoom = self.parameterAsInt(parameters, self.ZOOM_MAX, context)
dpi = self.parameterAsInt(parameters, self.DPI, context)
color = self.parameterAsColor(parameters, self.BACKGROUND_COLOR, context)
self.tile_format = self.formats[self.parameterAsEnum(parameters, self.TILE_FORMAT, context)]
quality = self.parameterAsInt(parameters, self.QUALITY, context)
self.metatilesize = self.parameterAsInt(parameters, self.METATILESIZE, context)
try:
tile_width = self.parameterAsInt(parameters, self.TILE_WIDTH, context)
tile_height = self.parameterAsInt(parameters, self.TILE_HEIGHT, context)
except AttributeError:
tile_width = 256
tile_height = 256
wgs_crs = QgsCoordinateReferenceSystem('EPSG:4326')
dest_crs = QgsCoordinateReferenceSystem('EPSG:3857')
project = context.project()
src_to_wgs = QgsCoordinateTransform(project.crs(), wgs_crs, context.transformContext())
wgs_to_dest = QgsCoordinateTransform(wgs_crs, dest_crs, context.transformContext())
settings = QgsMapSettings()
settings.setOutputImageFormat(QImage.Format_ARGB32_Premultiplied)
settings.setDestinationCrs(dest_crs)
settings.setLayers(self.layers)
settings.setOutputDpi(dpi)
if self.tile_format == 'PNG':
settings.setBackgroundColor(color)
# disable partial labels (they would be cut at the edge of tiles)
labeling_engine_settings = settings.labelingEngineSettings()
labeling_engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
settings.setLabelingEngineSettings(labeling_engine_settings)
self.wgs_extent = src_to_wgs.transformBoundingBox(extent)
self.wgs_extent = [self.wgs_extent.xMinimum(), self.wgs_extent.yMinimum(), self.wgs_extent.xMaximum(),
self.wgs_extent.yMaximum()]
metatiles_by_zoom = {}
metatiles_count = 0
for zoom in range(self.min_zoom, self.max_zoom + 1):
metatiles = get_metatiles(self.wgs_extent, zoom, self.metatilesize)
metatiles_by_zoom[zoom] = metatiles
metatiles_count += len(metatiles)
lab_buffer_px = 100
progress = 0
tile_params = {
'format': self.tile_format,
'quality': quality,
'width': tile_width,
'height': tile_height,
'min_zoom': self.min_zoom,
'max_zoom': self.max_zoom,
'extent': self.wgs_extent,
}
writer.set_parameters(tile_params)
for zoom in range(self.min_zoom, self.max_zoom + 1):
feedback.pushConsoleInfo('Generating tiles for zoom level: %s' % zoom)
for i, metatile in enumerate(metatiles_by_zoom[zoom]):
if feedback.isCanceled():
break
size = QSize(tile_width * metatile.rows(), tile_height * metatile.columns())
extent = QgsRectangle(*metatile.extent())
settings.setExtent(wgs_to_dest.transformBoundingBox(extent))
settings.setOutputSize(size)
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(color)
dpm = settings.outputDpi() / 25.4 * 1000
image.setDotsPerMeterX(dpm)
image.setDotsPerMeterY(dpm)
painter = QPainter(image)
job = QgsMapRendererCustomPainterJob(settings, painter)
job.renderSynchronously()
painter.end()
# For analysing metatiles (labels, etc.)
# metatile_dir = os.path.join(output_dir, str(zoom))
# os.makedirs(metatile_dir, exist_ok=True)
# image.save(os.path.join(metatile_dir, 'metatile_%s.png' % i))
for r, c, tile in metatile.tiles:
tile_img = image.copy(tile_width * r, tile_height * c, tile_width, tile_height)
writer.write_tile(tile, tile_img)
progress += 1
feedback.setProgress(100 * (progress / metatiles_count))
writer.close()
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')
def test_atlas(self):
"""Test atlas"""
qs = "?" + "&".join([
"%s=%s" % i for i in list({
'SERVICE': "WMS",
'VERSION': "1.3.0",
'REQUEST': "GetPrint",
'CRS': 'EPSG:4326',
'FORMAT': 'png',
'LAYERS': 'multiple_pks',
'DPI': 72,
'TEMPLATE': "print1",
}.items())
])
req = QgsBufferServerRequest('http://my_server/' + qs +
'&ATLAS_PK=1,2')
res = QgsBufferServerResponse()
self._server.handleRequest(req, res, self.test_project)
self.assertEqual(res.statusCode(), 200)
result_path = os.path.join(self.temp_dir.path(), 'atlas_1_2.png')
with open(result_path, 'wb+') as f:
f.write(res.body())
# A full red image is expected
image = QImage(result_path)
self.assertFalse(image.isGrayscale())
color = image.pixelColor(100, 100)
self.assertEqual(color.red(), 255)
self.assertEqual(color.green(), 0)
self.assertEqual(color.blue(), 0)
# Forbid 1-1
self._accesscontrol.active['layerFilterSubsetString'] = True
self._check_exception(qs + '&ATLAS_PK=1,2',
"Atlas error: empty atlas.")
self._accesscontrol.active['layerFilterSubsetString'] = False
self._accesscontrol.active['layerFilterExpression'] = True
self._check_exception(qs + '&ATLAS_PK=1,2',
"Atlas error: empty atlas.")
# Remove all constraints
self._clear_constraints()
req = QgsBufferServerRequest('http://my_server/' + qs +
'&ATLAS_PK=1,2')
res = QgsBufferServerResponse()
self._server.handleRequest(req, res, self.test_project)
self.assertEqual(res.statusCode(), 200)
result_path = os.path.join(self.temp_dir.path(), 'atlas_1_2.png')
with open(result_path, 'wb+') as f:
f.write(res.body())
# A full red image is expected
image = QImage(result_path)
self.assertFalse(image.isGrayscale())
color = image.pixelColor(100, 100)
self.assertEqual(color.red(), 255)
self.assertEqual(color.green(), 0)
self.assertEqual(color.blue(), 0)
def emitErrorImage(self):
self.img = QImage()
self.targetSize = self.img.size
self.finished.emit()
def toSpriteSheet(allSprites):
if allSprites:
height = spriteSize
width = spriteSize * len(allSprites)
img = QImage(width, height, QImage.Format_ARGB32)
img.fill(QColor(Qt.transparent))
img2x = QImage(width * 2, height * 2, QImage.Format_ARGB32)
img2x.fill(QColor(Qt.transparent))
painter = QPainter(img)
painter.begin(img)
painter2x = QPainter(img2x)
painter2x.begin(img2x)
spritesheet = {
NO_ICON: {
"width": 0,
"height": 0,
"x": 0,
"y": 0,
"pixelRatio": 1
}
}
spritesheet2x = {
NO_ICON: {
"width": 0,
"height": 0,
"x": 0,
"y": 0,
"pixelRatio": 1
}
}
x = 0
for name, _sprites in allSprites.items():
s = _sprites["image"]
s2x = _sprites["image2x"]
painter.drawImage(x, 0, s)
painter2x.drawImage(x * 2, 0, s2x)
spritesheet[name] = {
"width": s.width(),
"height": s.height(),
"x": x,
"y": 0,
"pixelRatio": 1
}
spritesheet2x[name] = {
"width": s2x.width(),
"height": s2x.height(),
"x": x * 2,
"y": 0,
"pixelRatio": 2
}
x += s.width()
painter.end()
painter2x.end()
folder = "/Users/ddd/delme/"
img.save(os.path.join(folder, "spriteSheet.png"))
img2x.save(os.path.join(folder, "*****@*****.**"))
with open(os.path.join(folder, "spriteSheet.json"), 'w') as f:
json.dump(spritesheet, f)
with open(os.path.join(folder, "*****@*****.**"), 'w') as f:
json.dump(spritesheet2x, f)
return {
"img": img,
"img2x": img2x,
"json": json.dumps(spritesheet),
"json2x": json.dumps(spritesheet2x)
}
return None
def iconDownloaded(self, reply):
img = QImage()
img.loadFromData(reply.readAll())
pixmap = QPixmap(img)
thumb = pixmap.scaled(48, 48, Qt.KeepAspectRatio, Qt.SmoothTransformation)
self.iconLabel.setPixmap(thumb)
def setup_map(self):
rendererContext = self.context
# FIXME: self.mapSettings.outputDpi()
self.outputDpi = rendererContext.painter().device().logicalDpiX()
debug(" extent: %s" % rendererContext.extent().toString(), 3)
debug(
" center: %lf, %lf" % (rendererContext.extent().center().x(),
rendererContext.extent().center().y()), 3)
debug(
" size: %d, %d" %
(rendererContext.painter().viewport().size().width(),
rendererContext.painter().viewport().size().height()), 3)
debug(
" logicalDpiX: %d" %
rendererContext.painter().device().logicalDpiX(), 3)
debug(" outputDpi: %lf" % self.outputDpi)
debug(
" mapUnitsPerPixel: %f" %
rendererContext.mapToPixel().mapUnitsPerPixel(), 3)
# debug(" rasterScaleFactor: %s" % str(rendererContext.
# rasterScaleFactor()), 3)
# debug(" outputSize: %d, %d" % (self.iface.mapCanvas().mapRenderer().
# outputSize().width(),
# self.iface.mapCanvas().mapRenderer().
# outputSize().height()), 3)
# debug(" scale: %lf" % self.iface.mapCanvas().mapRenderer().scale(),
# 3)
#
# if (self.page.lastExtent == rendererContext.extent()
# and self.page.lastViewPortSize == rendererContext.painter().
# viewport().size()
# and self.page.lastLogicalDpi == rendererContext.painter().
# device().logicalDpiX()
# and self.page.lastOutputDpi == self.outputDpi
# and self.page.lastMapUnitsPerPixel == rendererContext.
# mapToPixel().mapUnitsPerPixel()):
# self.renderMap()
# self.finished.emit()
# return
self.targetSize = rendererContext.painter().viewport().size()
if rendererContext.painter().device().logicalDpiX() != int(
self.outputDpi):
# use screen dpi for printing
sizeFact = self.outputDpi / 25.4 / rendererContext.mapToPixel(
).mapUnitsPerPixel()
self.targetSize.setWidth(rendererContext.extent().width() *
sizeFact)
self.targetSize.setHeight(rendererContext.extent().height() *
sizeFact)
debug(
" targetSize: %d, %d" %
(self.targetSize.width(), self.targetSize.height()), 3)
# find matching OL resolution
qgisRes = rendererContext.extent().width() / self.targetSize.width()
olRes = None
for res in self.page.resolutions():
if qgisRes >= res:
olRes = res
break
if olRes is None:
debug("No matching OL resolution found (QGIS resolution: %f)" %
qgisRes)
self.emitErrorImage()
return
# adjust OpenLayers viewport to match QGIS extent
olWidth = rendererContext.extent().width() / olRes
olHeight = rendererContext.extent().height() / olRes
debug(
" adjust viewport: %f -> %f: %f x %f" %
(qgisRes, olRes, olWidth, olHeight), 3)
olSize = QSize(int(olWidth), int(olHeight))
self.page.setViewportSize(olSize)
self.page.mainFrame().evaluateJavaScript("map.updateSize();")
self.img = QImage(olSize, QImage.Format_ARGB32_Premultiplied)
self.page.extent = rendererContext.extent()
debug(
"map.zoomToExtent (%f, %f, %f, %f)" %
(self.page.extent.xMinimum(), self.page.extent.yMinimum(),
self.page.extent.xMaximum(), self.page.extent.yMaximum()), 3)
self.page.mainFrame().evaluateJavaScript(
"map.zoomToExtent(new OpenLayers.Bounds(%f, %f, %f, %f), true);" %
(self.page.extent.xMinimum(), self.page.extent.yMinimum(),
self.page.extent.xMaximum(), self.page.extent.yMaximum()))
olextent = self.page.mainFrame().evaluateJavaScript("map.getExtent();")
debug("Resulting OL extent: %s" % olextent, 3)
if olextent is None or not hasattr(olextent, '__getitem__'):
debug("map.zoomToExtent failed")
# map.setCenter and other operations throw "undefined[0]:
# TypeError: 'null' is not an object" on first page load
# We ignore that and render the initial map with wrong extents
# self.emitErrorImage()
# return
else:
reloffset = abs((self.page.extent.yMaximum() - olextent["top"]) /
self.page.extent.xMinimum())
debug("relative offset yMaximum %f" % reloffset, 3)
if reloffset > 0.1:
debug("OL extent shift failure: %s" % reloffset)
self.emitErrorImage()
return
self.mapFinished = False
self.timer.start()
self.timerMax.start()
def test_layout_exports(self):
"""Test mask effects in a layout export at 300 dpi"""
# modify labeling settings
label_settings = self.polys_layer.labeling().settings()
fmt = label_settings.format()
# enable a mask
fmt.mask().setEnabled(True)
fmt.mask().setSize(4.0)
# and mask other symbol layers underneath
fmt.mask().setMaskedSymbolLayers([
# the black part of roads
QgsSymbolLayerReference(self.lines_layer.id(),
QgsSymbolLayerId("", 0)),
# the black jets
QgsSymbolLayerReference(self.points_layer.id(),
QgsSymbolLayerId("B52", 0)),
QgsSymbolLayerReference(self.points_layer.id(),
QgsSymbolLayerId("Jet", 0))
])
# add an outer glow effect to the mask
blur = QgsOuterGlowEffect.create({
"enabled": "1",
"blur_level": "6.445",
"blur_unit": "MM",
"opacity": "1",
"spread": "0.6",
"spread_unit": "MM",
"color1": "0,0,255,255",
"draw_mode": "2"
})
fmt.mask().setPaintEffect(blur)
label_settings.setFormat(fmt)
self.polys_layer.labeling().setSettings(label_settings)
layout = QgsLayout(QgsProject.instance())
page = QgsLayoutItemPage(layout)
page.setPageSize(QgsLayoutSize(50, 33))
layout.pageCollection().addPage(page)
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(1, 1, 48, 32))
map.setFrameEnabled(True)
layout.addLayoutItem(map)
map.setExtent(self.lines_layer.extent())
map.setLayers([self.points_layer, self.lines_layer, self.polys_layer])
image = QImage(591, 591, QImage.Format_RGB32)
image.setDotsPerMeterX(300 / 25.3 * 1000)
image.setDotsPerMeterY(300 / 25.3 * 1000)
image.fill(0)
p = QPainter(image)
exporter = QgsLayoutExporter(layout)
exporter.renderPage(p, 0)
p.end()
tmp = getTempfilePath('png')
image.save(tmp)
control_name = "layout_export"
self.checker.setControlName(control_name)
self.checker.setRenderedImage(tmp)
res = self.checker.compareImages(control_name)
self.report += self.checker.report()
self.assertTrue(res)
def testColorFromMimeData(self):
data = QMimeData()
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertFalse(color.isValid())
# color data
data.setColorData(QColor(255, 0, 255))
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
# should be true regardless of the actual color's opacity -- a QColor object has innate knowledge of the alpha,
# so our input color HAS an alpha of 255
self.assertTrue(has_alpha)
self.assertEqual(color.alpha(), 255)
data.setColorData(QColor(255, 0, 255, 100))
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
self.assertEqual(color.alpha(), 100)
self.assertTrue(has_alpha)
# text data
data = QMimeData()
data.setText('#ff00ff')
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
# should be False -- no alpha was specified
self.assertFalse(has_alpha)
self.assertEqual(color.alpha(), 255)
data.setText('#ff00ff66')
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
self.assertTrue(has_alpha)
self.assertEqual(color.alpha(), 102)
# "#" is optional
data.setText('ff00ff66')
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
self.assertTrue(has_alpha)
self.assertEqual(color.alpha(), 102)
data.setText('255,0,255')
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
self.assertFalse(has_alpha)
self.assertEqual(color.alpha(), 255)
data.setText('255,0,255,0.5')
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
self.assertTrue(has_alpha)
self.assertEqual(color.alpha(), 128)
data.setText('rgba(255,0,255,0.5)')
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertTrue(color.isValid())
self.assertEqual(color.name(), '#ff00ff')
self.assertTrue(has_alpha)
self.assertEqual(color.alpha(), 128)
# wrong data type
data = QMimeData()
data.setImageData(QImage())
color, has_alpha = QgsSymbolLayerUtils.colorFromMimeData(data)
self.assertFalse(color.isValid())
def test_getPrint(self):
"""Test getprint, requires https://github.com/qgis/QGIS/pull/41823"""
c = Client()
self.assertTrue(c.login(username='******', password='******'))
ows_url = reverse('OWS:ows',
kwargs={
'group_slug': self.qdjango_project.group.slug,
'project_type': 'qdjango',
'project_id': self.qdjango_project.pk
})
# Extent for feature where pk1 = 1, pk2 = 2
args = {
'SERVICE':
"WMS",
'VERSION':
"1.3.0",
'REQUEST':
"GetPrint",
'CRS':
'EPSG:4326',
'FORMAT':
'png',
'LAYERS':
'multiple_pks',
'DPI':
72,
'TEMPLATE':
"print1",
'map0:EXTENT':
'45.70487804878048621,7.67926829268292099,46.22987804878049189,8.42479674796748235',
}
response = c.get(ows_url, args)
self.assertEqual(response.status_code, 200)
result_path = os.path.join(self.temp_dir.path(), 'red.png')
with open(result_path, 'wb+') as f:
f.write(response.content)
image = QImage(result_path)
self.assertFalse(image.isGrayscale())
color = image.pixelColor(100, 100)
self.assertEqual(color.red(), 255)
self.assertEqual(color.green(), 0)
self.assertEqual(color.blue(), 0)
admin01 = self.test_user1
qgs_expr = "pk1 = '1' AND pk2 = '1'"
session_token, _ = SessionTokenFilter.objects.get_or_create(
user=admin01)
SessionTokenFilterLayer.objects.filter(layer=self.qdjango_layer,
qgs_expr=qgs_expr).delete()
session_filter = session_token.stf_layers.create(
layer=self.qdjango_layer, qgs_expr=qgs_expr)
session_filter.save()
args.update({'filtertoken': session_token.token})
response = c.get(ows_url, args)
# Test
self.assertEqual(response.status_code, 200)
result_path = os.path.join(self.temp_dir.path(), 'white.png')
with open(result_path, 'wb+') as f:
f.write(response.content)
image = QImage(result_path)
color = image.pixelColor(100, 100)
self.assertTrue(image.isGrayscale())
self.assertEqual(color.red(), 255)
self.assertEqual(color.green(), 255)
self.assertEqual(color.blue(), 255)
response = self._testApiCall('core-vector-api', [
'data', 'qdjango',
str(self.qdjango_project.pk),
'multiple_pks_67787984_68b5_423c_bc5e_ce92d8d74d70'
], {'filtertoken': session_token.token})
jcontent = json.loads(response.content)
features = jcontent['vector']['data']['features']
self.assertEqual(len(features), 1)
self.assertEqual(features[0]['properties']['name'], '1-1')
self.assertEqual(features[0]['id'], '1@@1')
session_filter.delete()
def testRequestRepaintMultiple(self):
""" test requesting repaint with multiple dependent layers """
layer1 = QgsVectorLayer("Point?field=fldtxt:string",
"layer1", "memory")
layer2 = QgsVectorLayer("Point?field=fldtxt:string",
"layer2", "memory")
QgsProject.instance().addMapLayers([layer1, layer2])
self.assertTrue(layer1.isValid())
self.assertTrue(layer2.isValid())
# add image to cache - no dependent layers
cache = QgsMapRendererCache()
im1 = QImage(200, 200, QImage.Format_RGB32)
cache.setCacheImage('nolayer', im1)
self.assertFalse(cache.cacheImage('nolayer').isNull())
self.assertTrue(cache.hasCacheImage('nolayer'))
# trigger repaint on layer
layer1.triggerRepaint()
layer1.triggerRepaint() # do this a couple of times - we don't want errors due to multiple disconnects, etc
layer2.triggerRepaint()
layer2.triggerRepaint()
# cache image should still exist - it's not dependent on layers
self.assertFalse(cache.cacheImage('nolayer').isNull())
self.assertTrue(cache.hasCacheImage('nolayer'))
# image depends on 1 layer
im_l1 = QImage(200, 200, QImage.Format_RGB32)
cache.setCacheImage('im1', im_l1, [layer1])
# image depends on 2 layers
im_l1_l2 = QImage(200, 200, QImage.Format_RGB32)
cache.setCacheImage('im1_im2', im_l1_l2, [layer1, layer2])
# image depends on 2nd layer alone
im_l2 = QImage(200, 200, QImage.Format_RGB32)
cache.setCacheImage('im2', im_l2, [layer2])
self.assertFalse(cache.cacheImage('im1').isNull())
self.assertTrue(cache.hasCacheImage('im1'))
self.assertFalse(cache.cacheImage('im1_im2').isNull())
self.assertTrue(cache.hasCacheImage('im1_im2'))
self.assertFalse(cache.cacheImage('im2').isNull())
self.assertTrue(cache.hasCacheImage('im2'))
# trigger repaint layer 1 (check twice - don't want disconnect errors)
for i in range(2):
layer1.triggerRepaint()
# should be cleared
self.assertTrue(cache.cacheImage('im1').isNull())
self.assertFalse(cache.hasCacheImage('im1'))
self.assertTrue(cache.cacheImage('im1_im2').isNull())
self.assertFalse(cache.hasCacheImage('im1_im2'))
# should be retained
self.assertTrue(cache.hasCacheImage('im2'))
self.assertFalse(cache.cacheImage('im2').isNull())
self.assertEqual(cache.cacheImage('im2'), im_l2)
self.assertTrue(cache.hasCacheImage('nolayer'))
self.assertFalse(cache.cacheImage('nolayer').isNull())
self.assertEqual(cache.cacheImage('nolayer'), im1)
# trigger repaint layer 2
for i in range(2):
layer2.triggerRepaint()
# should be cleared
self.assertFalse(cache.hasCacheImage('im1'))
self.assertTrue(cache.cacheImage('im1').isNull())
self.assertFalse(cache.hasCacheImage('im1_im2'))
self.assertTrue(cache.cacheImage('im1_im2').isNull())
self.assertFalse(cache.hasCacheImage('im2'))
self.assertTrue(cache.cacheImage('im2').isNull())
# should be retained
self.assertTrue(cache.hasCacheImage('nolayer'))
self.assertFalse(cache.cacheImage('nolayer').isNull())
self.assertEqual(cache.cacheImage('nolayer'), im1)
def render_scene_to_image(item_keys: List[str],
extent_json: Union[str, dict],
api_key: str,
node: Optional[PlanetNode] = None,
width: int = 512,
height: int = 512) -> QImage:
img = QImage()
if not item_keys:
log.debug('No item type_id keys list object passed')
return img
if not extent_json:
log.debug('Extent is invalid')
return img
if node and node.node_type() != NodeT.DAILY_SCENE:
log.debug('Item type is not a Daily Scene')
return img
if not api_key:
log.debug('No API in passed')
return img
# p = QgsProject.instance()
ext: QgsRectangle = \
qgsgeometry_from_geojson(extent_json).boundingBox()
if ext.width() > ext.height():
height = int(ext.height() / ext.width() * height)
elif ext.height() > ext.width():
width = int(ext.width() / ext.height() * width)
# noinspection PyArgumentList
transform = QgsCoordinateTransform(
QgsCoordinateReferenceSystem("EPSG:4326"),
QgsCoordinateReferenceSystem("EPSG:3857"), QgsProject.instance())
transform_extent = transform.transformBoundingBox(ext)
data_src_uri = tile_service_data_src_uri(item_keys, api_key)
log.debug(f'data_src_uri:\n' f'{data_src_uri}')
rlayer = QgsRasterLayer(data_src_uri, "scene_layer", "wms")
if not rlayer.isValid():
log.debug('Layer is not valid')
return img
# p.addMapLayer(rlayer)
settings = QgsMapSettings()
settings.setExtent(transform_extent)
settings.setOutputSize(QSize(width, height))
settings.setLayers([rlayer])
job = QgsMapRendererParallelJob(settings)
job.start()
# This blocks...
# It should really be a QEventLoop or QTimer that checks for finished()
# Any intermediate image can safely be pulled from renderedImage()
job.waitForFinished()
return job.renderedImage()
def testReprojectionErrorsWhileRendering(self):
# WKT of a polygon which causes reprojection errors while rendering
# (apologies for the ridiculously complex wkt, but I can't find a way to reproduce with simplifiction)
wkt = 'MultiPolygon (((16.93392988400009358 42.77094147300012139, 16.88493899800005238 42.72939687700012712, ' \
'16.80298912900011032 42.76349518400014915, 16.85816491000014139 42.78400299700011544, ' \
'16.93392988400009358 42.77094147300012139)),((17.38200931100010393 42.79783763200002511, ' \
'17.65894616000011297 42.74298737200008702, 17.74887129000009622 42.69456614800010641, ' \
'17.32374108200008322 42.79083893400003547, 17.38200931100010393 42.79783763200002511)),' \
'((16.768565300000148 42.97223541900014254, 17.03207441500009622 42.98261139500014849, ' \
'17.13184655000009116 42.96954987200014386, 17.20020592500009116 42.92177969000012183, ' \
'16.85141035200010151 42.90070221600008438, 16.65544681100004709 42.92625560099999404, ' \
'16.70679772200014668 42.96954987200014386, 16.63168379000003938 42.98261139500014849, ' \
'16.768565300000148 42.97223541900014254)),((17.05567467500011958 43.02895742400001211, ' \
'17.24024498800011429 43.02277252800014651, 17.74146569100011561 42.83926015800001608, ' \
'17.70736738400009358 42.88703034100014122, 17.65334906206413734 42.8909283361407887, ' \
'17.70158573400010482 42.91950022500007833, 17.81175988700005064 42.909862570000044, ' \
'17.85847538200005147 42.81697418200012351, 18.22413781700009849 42.62807098500009317, ' \
'18.43735477700010961 42.55921213800017711, 18.4371480710000526 42.4934022020000981, ' \
'18.49642988400009358 42.41632721600008438, 18.23894290500010129 42.55906810100005089, ' \
'18.21753991000014139 42.6201032570001388, 18.07601972700010151 42.65131256700003348, ' \
'18.0432235040000819 42.70205312700007028, 17.90162194100014403 42.75189850500014188, ' \
'17.8928328790000819 42.79083893400003547, 17.72095787900005348 42.8262393250000315, ' \
'17.7618921230000808 42.77871328300012976, 17.74870853000004445 42.77204010600017625, ' \
'17.21387780000011958 42.98261139500014849, 17.04615319100011561 42.9950625670000619, ' \
'17.00163821700004974 43.05149974200010377, 17.05567467500011958 43.02895742400001211)),' \
'((16.19467207100007045 43.07440827000000638, 16.254893425000148 43.06854889500006323, ' \
'16.08716881600014403 43.01146067900008063, 16.04883873800011429 43.06517161700004692, ' \
'16.19467207100007045 43.07440827000000638)),((16.56275475400011032 43.22898997600010773, ' \
'16.65951582100009887 43.21596914300012315, 16.72771243600001867 43.16461823100003414, ' \
'17.19336998800014271 43.12726471600016964, 16.67017662900013875 43.12547435099999404, ' \
'16.37159264400014536 43.19550202000006323, 16.49642988400006516 43.21808502800014651, ' \
'16.58326256600014403 43.18866608300005794, 16.52051842500006273 43.22898997600010773, ' \
'16.56275475400011032 43.22898997600010773)),((16.80681399800010922 43.34247467700005529, ' \
'16.89234459700011826 43.31220123900006058, 16.84620201900008851 43.27338288000005662, ' \
'16.62826582100012729 43.26373932500008834, 16.50074303500014139 43.28424713700003679, ' \
'16.42188561300008587 43.31757233300011478, 16.40577233200011165 43.33270905200011214, ' \
'16.45346113400009358 43.35317617400009738, 16.42628014400008851 43.39411041900011412, ' \
'16.44703209700008983 43.39484284100014122, 16.80681399800010922 43.34247467700005529)),' \
'((16.29818769600012729 43.40363190300011809, 16.30274498800008587 43.38727448100009099, ' \
'16.39144941500012465 43.34638092700005529, 16.348643425000148 43.33869049700003018, ' \
'16.20045006600014403 43.40704987200003018, 16.29818769600012729 43.40363190300011809)),' \
'((16.33415774800010922 43.50153229400014254, 16.3752547540000819 43.49017975500008504, ' \
'16.21143639400008851 43.49005768400009231, 16.26441491000014139 43.51288483300011478, ' \
'16.33415774800010922 43.50153229400014254)),((15.67888431100004709 43.64801666900014254, ' \
'15.74040774800010922 43.62750885600009099, 15.67204837300002396 43.63743724200010377, ' \
'15.60377037900013875 43.67470937700007028, 15.67888431100004709 43.64801666900014254)),' \
'((15.36736087300005238 43.79010651200015047, 15.39568118600007551 43.7724063170000619, ' \
'15.22779381600014403 43.87445709800014981, 15.24073326900014536 43.88076406500009341, ' \
'15.36736087300005238 43.79010651200015047)),((15.44271894600009887 43.89907461100013109, ' \
'15.35865319100014403 43.91937897300014981, 15.26124108200011165 44.01105377800003282, ' \
'15.38404381600008719 43.9701602230000077, 15.44271894600009887 43.89907461100013109)),' \
'((15.22575931100010393 44.06622955900014915, 15.25440514400008851 44.01788971600014122, ' \
'15.12183678500014139 44.09223053600005926, 15.06251061300008587 44.16193268400012073, ' \
'15.22575931100010393 44.06622955900014915)),((14.83545983200014007 44.15102773600013109, ' \
'14.85726972700010151 44.15204498900000374, 14.86915123800014271 44.14052969000006499, ' \
'14.83521569100008719 44.14166901200009363, 14.81983483200014007 44.15302155199999845, ' \
'14.82243899800005238 44.16868724200004692, 14.83545983200014007 44.15102773600013109)),' \
'((14.98511803500011297 44.09096914300012315, 15.21680748800008587 43.91278717700008372, ' \
'15.13331139400011693 43.92121002800003282, 15.19450931100004709 43.87262604400017096, ' \
'15.10661868600007551 43.92544179900015422, 14.84961998800014271 44.17560455900014915, ' \
'14.98511803500011297 44.09096914300012315)),((14.765961134000122 44.26504140800015819, ' \
'14.74854576900014536 44.26166413000014188, 14.73959394600012729 44.28017812700015554, ' \
'14.79167728000007287 44.27252838700003679, 14.765961134000122 44.26504140800015819)),' \
'((14.66138756600011561 44.30866120000014519, 14.6407983730000808 44.31183502800003282, ' \
'14.59506269600007045 44.34711334800006455, 14.643565300000148 44.32575104400011412, ' \
'14.66138756600011561 44.30866120000014519)),((14.81120853000004445 44.35004303600000242, ' \
'14.75619550900009358 44.36399974200004692, 14.76343834700008983 44.41535065300017493, ' \
'14.80323326900008851 44.40550364800004957, 14.81120853000004445 44.35004303600000242)),' \
'((14.27116946700002131 44.61253489800004957, 14.23259524800005238 44.62604401200012205, ' \
'14.2657983730000808 44.67951080900003547, 14.28044681100007551 44.67755768400009231, ' \
'14.27116946700002131 44.61253489800004957)),((14.84522545700008322 44.60053131700011875, ' \
'14.93824303500014139 44.59414297100001079, 15.07553144600007045 44.48407623900006058, ' \
'14.91114342500011958 44.54547760600014783, 15.04802493600004709 44.43943919500001982, ' \
'15.09669030000009116 44.41518789300000947, 15.04151451900014536 44.47662995000008834, ' \
'15.25440514400008851 44.34003327000000638, 15.165049675000148 44.36737702000006323, ' \
'15.22022545700008322 44.3127302100001117, 15.13086998800008587 44.33258698100003414, ' \
'15.17237389400014536 44.29913971600016964, 15.12875410200007309 44.31199778900018771, ' \
'15.08920332100009887 44.37421295800000109, 15.11719811300014271 44.38719310099999404, ' \
'15.04900149800010922 44.39468008000015686, 14.89747155000009116 44.49091217699999845, ' \
'14.91863040500010129 44.50454336100013109, 14.87696373800011429 44.55975983300005794, ' \
'14.73365319100008719 44.70319245000014519, 14.84522545700008322 44.60053131700011875)),' \
'((14.41000410200010151 44.60097890800001608, 14.52662194100011561 44.50372955900012073, ' \
'14.53435306100010393 44.48407623900006058, 14.42261803500008455 44.57387929900009738, ' \
'14.36304772200014668 44.57343170800000109, 14.38257897200014668 44.60325755399999537, ' \
'14.33578535200007309 44.71678294500010509, 14.39747155000009116 44.6856143250000315, ' \
'14.41000410200010151 44.60097890800001608)),((14.75326582100007045 44.84585195500012844, ' \
'14.74048912900011032 44.82050202000000638, 14.82243899800005238 44.77142975500005662, ' \
'14.84961998800014271 44.70319245000014519, 14.65788821700004974 44.79877350500014188, ' \
'14.7268172540000819 44.79877350500014188, 14.6858016290000819 44.8471540390000456, ' \
'14.75326582100007045 44.84585195500012844)),((14.47103925900006516 44.95392487200003018, ' \
'14.45191491000008455 44.79877350500014188, 14.47217858200011165 44.7079531920000619, ' \
'14.53435306100010393 44.63426341400010244, 14.51335696700007816 44.618841864000089, ' \
'14.42790774800005238 44.65656159100014122, 14.29420006600008719 44.9086367860001161, ' \
'14.30152428500011297 44.94342682500014519, 14.38738040500004445 44.90900299700003018, ' \
'14.39031009200004974 44.96039459800012139, 14.41138756600008719 44.95636627800014651, ' \
'14.27849368600004709 45.1133487000000315, 14.29957116000014139 45.16233958499999801, ' \
'14.35621178500014139 45.16925690300008966, 14.387705925000148 45.03904857000013351, ' \
'14.47103925900006516 44.95392487200003018)),((14.56332441500012465 45.24974192900008063, ' \
'14.62378991000011297 45.17548248900006058, 14.59742272200011826 45.16644928600005926, ' \
'14.66529381600011561 45.16181061400011743, 14.66529381600011561 45.08734772300006455, ' \
'14.74048912900011032 45.07306549700014386, 14.81495201900008851 44.97748444200009033, ' \
'14.70639082100009887 44.9467227230000077, 14.62891686300014271 44.97817617400004053, ' \
'14.62086022200008983 45.04559967700011214, 14.61695397200008983 45.02464427300007799, ' \
'14.51050866000014139 45.03217194200011875, 14.43873131600014403 45.07050202000006323, ' \
'14.4670516290000819 45.12409088700015047, 14.53012129000009622 45.13483307500014519, ' \
'14.53435306100010393 45.23753489800002114, 14.56332441500012465 45.24974192900008063)),' \
'((16.36947066200013978 46.54057118800012915, 16.63767134600004738 46.47447703100009164, ' \
'16.75508020000012266 46.38187286400001597, 16.83765913900006694 46.38187286400001597, ' \
'16.88923221800007468 46.29216257800014489, 17.05294315600005461 46.15346303300005104, ' \
'17.20859257000006437 46.11656606000003933, 17.27587528500004055 46.01202463800002818, ' \
'17.31680301900004793 45.99765859000002877, 17.29013798000011093 45.98463612900009423, ' \
'17.40620324700006449 45.94365671800015605, 17.59110152100009827 45.93621531200012953, ' \
'17.65652388500006964 45.84541982000014571, 17.80917606600013414 45.81441396100005647, ' \
'17.85806197100004056 45.77172922800004073, 18.21121870900006456 45.78537180600012846, ' \
'18.40438521300006869 45.74180857400001798, 18.57347049900010916 45.81668772400014689, ' \
'18.6556360270001278 45.90758656800015558, 18.7755253500000947 45.88283355700004051, ' \
'18.90130578600007993 45.93120269800006383, 18.87288374800004931 45.89523590100002082, ' \
'18.90699019400011593 45.86795074500018643, 18.85531376100007606 45.85735707600009903, ' \
'18.84497847500006174 45.8157058720000947, 18.96848514800012708 45.66873809800016204, ' \
'18.90357954900008508 45.57308502200005762, 18.94171675700005153 45.53892689999999277, ' \
'19.01809452300011571 45.56740061400002162, 19.10625451700005328 45.51164174500017623, ' \
'19.00961958800010621 45.49867095900005154, 19.00300500400010151 45.45536611000007099, ' \
'19.03742150900006891 45.42229319300010104, 18.97592655400006834 45.39495636000008005, ' \
'19.09199182100007874 45.34999786400005917, 19.12475467900009107 45.29811472600006539, ' \
'19.36308638500014467 45.24824696900010679, 19.40783817500010855 45.20313344400013023, ' \
'19.39068160000005037 45.16933705700016333, 19.22593713300008744 45.16194732700016345, ' \
'19.12186079900010327 45.195795390000157, 19.13767378700009658 45.14603098600004216, ' \
'19.04486291500009543 45.13724599300006446, 19.08227665200013234 45.08494944300004192, ' \
'19.0872375890000967 44.97710072800013847, 19.13167932100006396 44.95317454000003465, ' \
'19.06667036900009293 44.90568389900012392, 18.99142948400006503 44.9149339800001286, ' \
'19.01582076000008215 44.86563466400004074, 18.88962691200009658 44.86119049100013001, ' \
'18.78338016700013213 44.91374542300012251, 18.79175174900009893 45.00154368100008639, ' \
'18.73831831900008638 45.0159097290000858, 18.68405806500004473 45.08479441400000098, ' \
'18.64871138500012648 45.06267689999999959, 18.61667199700013953 45.09766184500010411, ' \
'18.54959598800010667 45.09476796500011631, 18.51703983500007666 45.05585561200003042, ' \
'18.23788374800011525 45.15745147700012296, 18.15365116400005263 45.0975584930001645, ' \
'18.00347945100011771 45.1493382780000303, 17.83573775200005684 45.0644338990000648, ' \
'17.68473921700012852 45.1639627080000281, 17.48185754400009273 45.11440500900012296, ' \
'17.49622359200009214 45.1416901650001563, 17.44775109900012922 45.13430043600014585, ' \
'17.44330692500011537 45.16205068000009248, 17.38243208800008688 45.1396231090000839, ' \
'17.26895064300006766 45.18954254200015441, 17.24548954300007608 45.15538442000017483, ' \
'17.18709517400012032 45.14856313100001728, 17.0363033440001459 45.23047027600007652, ' \
'17.00829471800011561 45.21615590500009318, 17.00829471800011561 45.24416453100009505, ' \
'16.94731652900014751 45.23568959600000028, 16.9243721930001243 45.28452382500016427, ' \
'16.81171757000004163 45.18122263700009, 16.52894413300009546 45.22225372400005483, ' \
'16.38921106000003647 45.11683380099999852, 16.31624393700010955 45.00123362300008978, ' \
'16.12152714000009723 45.09616322900008356, 16.02044803900011516 45.213933818000001, ' \
'15.79234826700013627 45.18980092400012438, 15.76361617000014803 44.97555043600003444, ' \
'15.7308533120001357 44.92723297200008403, 15.77343469200010873 44.84501576800015243, ' \
'15.71607385200013596 44.80320953400008932, 15.72847619600008784 44.76910308800002269, ' \
'15.80568078600006743 44.69665273000013883, 15.88877648900006534 44.72424794500012979, ' \
'15.96897831200004703 44.63924021400013942, 16.02830285600006732 44.62471913700009907, ' \
'16.04473596200011798 44.58937245700018082, 16.00608199000004106 44.54100331600012908, ' \
'16.11646285000011858 44.52146962500013672, 16.15966434700004584 44.41610138000002905, ' \
'16.13827030500004867 44.37760243800015303, 16.20286584400008678 44.35977406800010669, ' \
'16.18756962000011868 44.28241444999999032, 16.21578495300011014 44.20815541600011045, ' \
'16.32688928200008149 44.08237498000012522, 16.50103885900011846 43.99271637000008184, ' \
'16.67859908100004418 43.8406843060001421, 16.71260217300007866 43.77151540100005889, ' \
'17.03051558500007445 43.54847991900005866, 17.27050093600007585 43.46321380700000248, ' \
'17.28993127500007176 43.3034302780000786, 17.44206669100009321 43.15243174300015028, ' \
'17.6284119050001209 43.04657257100008394, 17.66272505700004558 42.96569895500012137, ' \
'17.63450972400008254 42.950402731000068, 17.51563561300008587 42.95888906500012183, ' \
'17.47087649800005238 43.01341380400010905, 17.50196373800014271 43.03099192900005221, ' \
'17.43360436300014271 43.01740143400009231, 17.46021569100011561 43.03099192900005221, ' \
'17.42611738400009358 43.06517161700004692, 17.4045516290000819 43.05149974200010377, ' \
'17.31625410200012993 43.12726471600016964, 17.11394290500004445 43.21320221600008438, ' \
'16.88062584700011826 43.40595123900006058, 16.62582441500009622 43.44904205900009231, ' \
'16.52466881600011561 43.51080963700009363, 16.39144941500012465 43.51080963700009363, ' \
'16.47339928500008455 43.5381533870001789, 16.43384850400013875 43.54975006700000506, ' \
'16.11768639400008851 43.52448151200003679, 16.17237389400014536 43.4896914730000077, ' \
'16.11312910200004467 43.47890859600009605, 15.95948326900011693 43.50397370000008834, ' \
'15.987315300000148 43.54490794500010509, 15.92530358200011165 43.55857982000004824, ' \
'15.91895592500009116 43.62872955900012073, 15.96631920700011165 43.64118073100003414, ' \
'15.90479576900014536 43.64801666900014254, 15.95297285200010151 43.65086497599999404, ' \
'15.95045006600008719 43.68854401200015047, 15.70630944100008719 43.76341380400005221, ' \
'15.6174422540000819 43.82550690300017493, 15.66309655000009116 43.81297435099999404, ' \
'15.67888431100004709 43.81928131700011875, 15.45508873800014271 43.92804596600014122, ' \
'15.14454186300011429 44.19546133000015686, 15.15219160200012993 44.23529694200014717, ' \
'15.11036217500011958 44.26434967700011214, 15.14063561300011429 44.28245677300013483, ' \
'15.17660566500009622 44.24994538000005662, 15.20777428500008455 44.27277252800014651, ' \
'15.19809004000012465 44.30166250200007028, 15.295258009000122 44.25067780199999845, ' \
'15.30274498800008587 44.29913971600016964, 15.26124108200011165 44.33258698100003414, ' \
'15.42448978000001603 44.26797109600006763, 15.52865644600009887 44.27179596600008438, ' \
'15.30795332100009887 44.35439687700007028, 15.00733483200014007 44.56972890800012976, ' \
'14.883799675000148 44.7236188820001388, 14.883799675000148 44.86147695500012844, 14.92164147200008983 ' \
'44.95880768400009231, 14.85279381600011561 45.09365469000000815, 14.65788821700004974 ' \
'45.19660065300017493, 14.57081139400008851 45.29364655200011214, 14.31153405000009116 ' \
'45.34398021000005485, 14.23259524800005238 45.14935944200000506, 14.17937259200007816 ' \
'45.13450755400005221, 14.19312584700008983 45.10561758000012844, 14.14389082100007045 ' \
'45.05939362200003018, 14.151377800000148 44.97748444200009033, 14.06885826900014536 ' \
'44.94953034100014122, 14.08383222700007309 44.9863955750000315, 14.04029381600014403 ' \
'45.03896719000015025, 14.0756942070000548 44.98371002800003282, 14.02051842500011958 ' \
'44.90110911700004692, 13.97266686300011429 44.90110911700004692, 13.99301191500009622 ' \
'44.88129303600014453, 13.97266686300011429 44.82664622599999404, 14.00001061300008587 ' \
'44.81305573100003414, 13.89014733200011165 44.83348216400010244, 13.91797936300014271 ' \
'44.77826569200009033, 13.90316816500009622 44.77240631700014717, 13.89698326900011693 ' \
'44.81305573100003414, 13.78711998800014271 44.87506745000008834, 13.84229576900008851 ' \
'44.88812897300006455, 13.79460696700010658 44.89496491100008768, 13.77409915500007287 ' \
'44.96381256700014717, 13.6232202480000808 45.07306549700014386, 13.61255944100014403 ' \
'45.11786530199999845, 13.72624759200004974 45.13450755400005221, 13.5959578790000819 ' \
'45.14541250200001343, 13.57545006600011561 45.26487864800007799, 13.60271243600001867 ' \
'45.28534577000012007, 13.57545006600011561 45.30646393400006389, 13.60954837300005238 ' \
'45.32013580900017757, 13.54127037900013875 45.34613678600005926, 13.50709069100014403 ' \
'45.51190827000000638, 13.62901778100007277 45.45898346000016943, 13.75929406800014476 ' \
'45.46316925100011019, 13.88900191200011136 45.42363678000005223, 13.98263960800005634 ' \
'45.47531321200001742, 13.97189091000012695 45.5142255660000643, 14.09291711400010172 ' \
'45.47391794800002174, 14.21869755100007637 45.49717234400004884, 14.37279667100006009 ' \
'45.47784535800009564, 14.4689148350000778 45.52559438100014688, 14.49857710800012001 ' \
'45.59618438800005435, 14.58094934100009255 45.66780792200010808, 14.66848921700008646 ' \
'45.53396596300005683, 14.79716353300005949 45.46518463200006011, 14.88160282300009385 ' \
'45.46978383400001178, 14.9226339110000481 45.51494903600017494, 15.13926151500010064 ' \
'45.43004465799999991, 15.32519331800011742 45.45283396399999276, 15.36136682100004691 ' \
'45.48203114900003641, 15.29666792800006192 45.52295888300012905, 15.2685559480001416 ' \
'45.60166208900012919, 15.37376916500011248 45.64021270800010655, 15.25501672300006817 ' \
'45.72346344000011698, 15.42906294700014769 45.77529490200011253, 15.45128381300008868 ' \
'45.81513743100013869, 15.67607629400006886 45.84169911700014666, 15.65943648300003588 ' \
'45.88882802400014782, 15.69798710100010908 46.0362092080000167, 15.58988000500005455 ' \
'46.11351715100001059, 15.62284956800010605 46.19170359400006021, 16.01920780400010358 ' \
'46.29882883700007312, 16.05961877400008575 46.33231516600015709, 16.0579651280001201 ' \
'46.37753204400003426, 16.2756262620000598 46.37316538500006402, 16.23490523300009158 ' \
'46.4933389280001137, 16.36947066200013978 46.54057118800012915))) '
geom = QgsGeometry.fromWkt(wkt)
f = QgsFeature()
f.setGeometry(geom)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
crs = QgsCoordinateReferenceSystem.fromProj4('+proj=ortho +lat_0=36.5 +lon_0=-118.8 +x_0=0 +y_0=0 +a=6371000 +b=6371000 +units=m +no_defs')
self.assertTrue(crs.isValid())
ms.setDestinationCrs(crs)
ms.setExtent(QgsRectangle(1374999.8, 3912610.7, 4724462.5, 6505499.6))
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
ct = QgsCoordinateTransform(QgsCoordinateReferenceSystem('epsg:4326'),
crs, QgsProject.instance())
self.assertTrue(ct.isValid())
context.setCoordinateTransform(ct)
context.setExtent(ct.transformBoundingBox(ms.extent(), QgsCoordinateTransform.ReverseTransform))
fill_symbol = QgsFillSymbol.createSimple({'color': '#ffffff', 'outline_color': '#ffffff', 'outline_width': '10'})
painter.begin(image)
try:
image.fill(QColor(0, 0, 0))
fill_symbol.startRender(context)
fill_symbol.renderFeature(f, context)
fill_symbol.stopRender(context)
finally:
painter.end()
assert self.imageCheck('Reprojection errors polygon', 'reprojection_errors_polygon', image)
#also test linestring
linestring = QgsGeometry(geom.constGet().boundary())
f.setGeometry(linestring)
line_symbol = QgsLineSymbol.createSimple({'color': '#ffffff', 'outline_width': '10'})
image = QImage(200, 200, QImage.Format_RGB32)
painter.begin(image)
try:
image.fill(QColor(0, 0, 0))
line_symbol.startRender(context)
line_symbol.renderFeature(f, context)
line_symbol.stopRender(context)
finally:
painter.end()
assert self.imageCheck('Reprojection errors linestring', 'reprojection_errors_linestring', image)
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(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_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')
