本文整理汇总了Python中qgis.PyQt.QtGui.QPainter.end方法的典型用法代码示例。如果您正苦于以下问题:Python QPainter.end方法的具体用法?Python QPainter.end怎么用?Python QPainter.end使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.PyQt.QtGui.QPainter
的用法示例。
在下文中一共展示了QPainter.end方法的15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: testRenderLineLayerDisabled
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def testRenderLineLayerDisabled(self):
""" test that rendering a line symbol with disabled layer works"""
layer = QgsSimpleLineSymbolLayer()
layer.setEnabled(False)
symbol = QgsLineSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('LineString (0 0,3 4,4 3)')
f = QgsFeature()
f.setGeometry(geom)
extent = geom.constGet().boundingBox()
# buffer extent by 10%
extent = extent.buffered((extent.height() + extent.width()) / 20.0)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
示例2: testRenderMarkerLayerDisabled
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def testRenderMarkerLayerDisabled(self):
""" test that rendering a marker symbol with disabled layer works"""
layer = QgsSimpleMarkerSymbolLayer()
layer.setEnabled(False)
symbol = QgsMarkerSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('Point (1 2)')
f = QgsFeature()
f.setGeometry(geom)
extent = QgsRectangle(0, 0, 4, 4)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
示例3: exportAsImage
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def exportAsImage(self):
self.repaintModel(controls=False)
filename, fileFilter = QFileDialog.getSaveFileName(self,
self.tr('Save Model As Image'), '',
self.tr('PNG files (*.png *.PNG)'))
if not filename:
return
if not filename.lower().endswith('.png'):
filename += '.png'
totalRect = self.scene.itemsBoundingRect()
totalRect.adjust(-10, -10, 10, 10)
imgRect = QRectF(0, 0, totalRect.width(), totalRect.height())
img = QImage(totalRect.width(), totalRect.height(),
QImage.Format_ARGB32_Premultiplied)
img.fill(Qt.white)
painter = QPainter()
painter.setRenderHint(QPainter.Antialiasing)
painter.begin(img)
self.scene.render(painter, imgRect, totalRect)
painter.end()
img.save(filename)
self.bar.pushMessage("", "Model was correctly exported as image", level=Qgis.Success, duration=5)
self.repaintModel(controls=True)
示例4: exportAsPdf
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def exportAsPdf(self):
self.repaintModel(controls=False)
filename, fileFilter = QFileDialog.getSaveFileName(self,
self.tr('Save Model As PDF'), '',
self.tr('PDF files (*.pdf *.PDF)'))
if not filename:
return
if not filename.lower().endswith('.pdf'):
filename += '.pdf'
totalRect = self.scene.itemsBoundingRect()
totalRect.adjust(-10, -10, 10, 10)
printerRect = QRectF(0, 0, totalRect.width(), totalRect.height())
printer = QPrinter()
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setOutputFileName(filename)
printer.setPaperSize(QSizeF(printerRect.width(), printerRect.height()), QPrinter.DevicePixel)
printer.setFullPage(True)
painter = QPainter(printer)
self.scene.render(painter, printerRect, totalRect)
painter.end()
self.bar.pushMessage("", "Model was correctly exported as PDF", level=Qgis.Success, duration=5)
self.repaintModel(controls=True)
示例5: exportAsPdf
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def exportAsPdf(self):
self.repaintModel(controls=False)
filename, fileFilter = QFileDialog.getSaveFileName(self,
self.tr('Save Model As PDF'), '',
self.tr('PDF files (*.pdf *.PDF)'))
if not filename:
return
if not filename.lower().endswith('.pdf'):
filename += '.pdf'
totalRect = self.scene.itemsBoundingRect()
totalRect.adjust(-10, -10, 10, 10)
printerRect = QRectF(0, 0, totalRect.width(), totalRect.height())
printer = QPrinter()
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setOutputFileName(filename)
printer.setPaperSize(QSizeF(printerRect.width(), printerRect.height()), QPrinter.DevicePixel)
printer.setFullPage(True)
painter = QPainter(printer)
self.scene.render(painter, printerRect, totalRect)
painter.end()
self.bar.pushMessage("", self.tr("Successfully exported model as PDF to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
self.repaintModel(controls=True)
示例6: exportAsImage
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def exportAsImage(self):
self.repaintModel(controls=False)
filename, fileFilter = QFileDialog.getSaveFileName(self,
self.tr('Save Model As Image'), '',
self.tr('PNG files (*.png *.PNG)'))
if not filename:
return
if not filename.lower().endswith('.png'):
filename += '.png'
totalRect = self.scene.itemsBoundingRect()
totalRect.adjust(-10, -10, 10, 10)
imgRect = QRectF(0, 0, totalRect.width(), totalRect.height())
img = QImage(totalRect.width(), totalRect.height(),
QImage.Format_ARGB32_Premultiplied)
img.fill(Qt.white)
painter = QPainter()
painter.setRenderHint(QPainter.Antialiasing)
painter.begin(img)
self.scene.render(painter, imgRect, totalRect)
painter.end()
img.save(filename)
self.bar.pushMessage("", self.tr("Successfully exported model as image to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
self.repaintModel(controls=True)
示例7: renderGeometry
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def renderGeometry(self, symbol, geom, buffer=20):
f = QgsFeature()
f.setGeometry(geom)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
extent = geom.get().boundingBox()
# buffer extent by 10%
if extent.width() > 0:
extent = extent.buffered((extent.height() + extent.width()) / buffer)
else:
extent = extent.buffered(buffer / 2)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
context.expressionContext().setFeature(f)
painter.begin(image)
try:
image.fill(QColor(0, 0, 0))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
finally:
painter.end()
return image
示例8: exportAsImage
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def exportAsImage(self):
filename = unicode(QFileDialog.getSaveFileName(self,
self.tr('Save Model As Image'), '',
self.tr('PNG files (*.png *.PNG)')))
if not filename:
return
if not filename.lower().endswith('.png'):
filename += '.png'
totalRect = QRectF(0, 0, 1, 1)
for item in self.scene.items():
totalRect = totalRect.united(item.sceneBoundingRect())
totalRect.adjust(-10, -10, 10, 10)
img = QImage(totalRect.width(), totalRect.height(),
QImage.Format_ARGB32_Premultiplied)
img.fill(Qt.white)
painter = QPainter()
painter.setRenderHint(QPainter.Antialiasing)
painter.begin(img)
self.scene.render(painter, totalRect, totalRect)
painter.end()
img.save(filename)
示例9: renderMap
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def renderMap(self):
rendererContext = self.context
if rendererContext.painter().device().logicalDpiX() != int(self.outputDpi):
printScale = 25.4 / self.outputDpi # OL DPI to printer pixels
rendererContext.painter().scale(printScale, printScale)
# render OpenLayers to image
painter = QPainter(self.img)
self.page.mainFrame().render(painter)
painter.end()
if self.img.size() != self.targetSize:
targetWidth = self.targetSize.width()
targetHeight = self.targetSize.height()
# scale using QImage for better quality
debug(" scale image: %i x %i -> %i x %i" % (
self.img.width(), self.img.height(),
targetWidth, targetHeight), 3)
self.img = self.img.scaled(targetWidth, targetHeight,
Qt.KeepAspectRatio,
Qt.SmoothTransformation)
# save current state
self.page.lastExtent = rendererContext.extent()
self.page.lastViewPortSize = rendererContext.painter().viewport().size()
self.page.lastLogicalDpi = rendererContext.painter().device().logicalDpiX()
self.page.lastOutputDpi = self.outputDpi
self.page.lastMapUnitsPerPixel = rendererContext.mapToPixel().mapUnitsPerPixel()
示例10: runTestForLayer
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def runTestForLayer(self, layer, testname):
tempdir = tempfile.mkdtemp()
layer = QgsVectorLayer(layer, 'Layer', 'ogr')
QgsProject.instance().addMapLayer(layer)
self.iface.mapCanvas().setExtent(layer.extent())
geom = next(layer.getFeatures()).geometry()
highlight = QgsHighlight(self.iface.mapCanvas(), geom, layer)
color = QColor(Qt.red)
highlight.setColor(color)
highlight.setWidth(2)
color.setAlpha(50)
highlight.setFillColor(color)
highlight.show()
image = QImage(QSize(400, 400), QImage.Format_ARGB32)
image.fill(Qt.white)
painter = QPainter()
painter.begin(image)
self.iface.mapCanvas().render(painter)
painter.end()
control_image = os.path.join(tempdir, 'highlight_{}.png'.format(testname))
image.save(control_image)
checker = QgsRenderChecker()
checker.setControlPathPrefix("highlight")
checker.setControlName("expected_highlight_{}".format(testname))
checker.setRenderedImage(control_image)
self.assertTrue(checker.compareImages("highlight_{}".format(testname)))
shutil.rmtree(tempdir)
示例11: testRenderRegion
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def testRenderRegion(self):
l = QgsLayout(QgsProject.instance())
l.initializeDefaults()
# add a guide, to ensure it is not included in export
g1 = QgsLayoutGuide(Qt.Horizontal, QgsLayoutMeasurement(15, QgsUnitTypes.LayoutMillimeters), l.pageCollection().page(0))
l.guides().addGuide(g1)
# 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)
# get width/height, create image and render the composition to it
size = QSize(560, 509)
output_image = QImage(size, QImage.Format_RGB32)
output_image.setDotsPerMeterX(self.dots_per_meter)
output_image.setDotsPerMeterY(self.dots_per_meter)
QgsMultiRenderChecker.drawBackground(output_image)
painter = QPainter(output_image)
exporter = QgsLayoutExporter(l)
exporter.renderRegion(painter, QRectF(5, 10, 110, 100))
painter.end()
rendered_file_path = os.path.join(self.basetestpath, 'test_renderregion.png')
output_image.save(rendered_file_path, "PNG")
self.assertTrue(self.checkImage('renderregion', 'renderregion', rendered_file_path))
示例12: testRenderPage
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def testRenderPage(self):
l = QgsLayout(QgsProject.instance())
l.initializeDefaults()
# 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)
# get width/height, create image and render the composition to it
size = QSize(1122, 794)
output_image = QImage(size, QImage.Format_RGB32)
output_image.setDotsPerMeterX(self.dots_per_meter)
output_image.setDotsPerMeterY(self.dots_per_meter)
QgsMultiRenderChecker.drawBackground(output_image)
painter = QPainter(output_image)
exporter = QgsLayoutExporter(l)
# valid page
exporter.renderPage(painter, 0)
painter.end()
rendered_file_path = os.path.join(self.basetestpath, 'test_renderpage.png')
output_image.save(rendered_file_path, "PNG")
self.assertTrue(self.checkImage('renderpage', 'renderpage', rendered_file_path))
示例13: testLayout
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def testLayout(self, page=0, pixelDiff=0):
if self.layout is None:
myMessage = "Layout not valid"
return False, myMessage
# load expected image
self.setControlName("expected_" + self.test_name)
# get width/height, create image and render the composition to it
outputImage = QImage(self.size, QImage.Format_RGB32)
outputImage.setDotsPerMeterX(self.dots_per_meter)
outputImage.setDotsPerMeterY(self.dots_per_meter)
QgsMultiRenderChecker.drawBackground(outputImage)
p = QPainter(outputImage)
self.layout.exporter().renderPage(p, page)
p.end()
renderedFilePath = QDir.tempPath() + QDir.separator() + QFileInfo(self.test_name).baseName() + "_rendered.png"
outputImage.save(renderedFilePath, "PNG")
self.setRenderedImage(renderedFilePath)
testResult = self.runTest(self.test_name, pixelDiff)
return testResult, self.report()
示例14: exportAsSvg
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def exportAsSvg(self):
self.repaintModel(controls=False)
filename, fileFilter = QFileDialog.getSaveFileName(self,
self.tr('Save Model As SVG'), '',
self.tr('SVG files (*.svg *.SVG)'))
if not filename:
return
if not filename.lower().endswith('.svg'):
filename += '.svg'
totalRect = self.scene.itemsBoundingRect()
totalRect.adjust(-10, -10, 10, 10)
svgRect = QRectF(0, 0, totalRect.width(), totalRect.height())
svg = QSvgGenerator()
svg.setFileName(filename)
svg.setSize(QSize(totalRect.width(), totalRect.height()))
svg.setViewBox(svgRect)
svg.setTitle(self.model.displayName())
painter = QPainter(svg)
self.scene.render(painter, svgRect, totalRect)
painter.end()
self.bar.pushMessage("", self.tr("Successfully exported model as SVG to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
self.repaintModel(controls=True)
示例15: testSimpleLineWithOffset
# 需要导入模块: from qgis.PyQt.QtGui import QPainter [as 别名]
# 或者: from qgis.PyQt.QtGui.QPainter import end [as 别名]
def testSimpleLineWithOffset(self):
""" test that rendering a polygon with simple line symbol with offset results in closed line"""
layer = QgsSimpleLineSymbolLayer()
layer.setOffset(-1)
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0))')
f = QgsFeature()
f.setGeometry(geom)
extent = geom.geometry().boundingBox()
# buffer extent by 10%
extent = extent.buffer((extent.height() + extent.width()) / 20.0)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(self.imageCheck('symbol_layer', 'fill_simpleline_offset', image))