Python core.QgsLayoutExporter类代码示例

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本文整理汇总了Python中qgis.core.QgsLayoutExporter类的典型用法代码示例。如果您正苦于以下问题：Python QgsLayoutExporter类的具体用法？Python QgsLayoutExporter怎么用？Python QgsLayoutExporter使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了QgsLayoutExporter类的20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，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: _get_layout_image

    def _get_layout_image(self, width, height, dpi):
        image = QImage(QSize(width, height),
                       self._TestMapSettings.outputImageFormat())
        image.fill(QColor(152, 219, 249).rgb())
        image.setDotsPerMeterX(dpi / 25.4 * 1000)
        image.setDotsPerMeterY(dpi / 25.4 * 1000)

        p = QPainter(image)
        p.setRenderHint(
            QPainter.Antialiasing,
            self._TestMapSettings.testFlag(QgsMapSettings.Antialiasing)
        )
        exporter = QgsLayoutExporter(self._c)
        exporter.renderPage(p, 0)
        p.end()

        # image = self._c.printPageAsRaster(0)
        # """:type: QImage"""

        if image.isNull():
            return False, ''

        filepath = getTempfilePath('png')
        res = image.save(filepath, 'png')
        if not res:
            os.unlink(filepath)
            filepath = ''

        return res, filepath

开发者ID:yoichigmf，项目名称:QGIS，代码行数:29，代码来源:test_qgspallabeling_layout.py

示例2: testLayout

    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)
        exporter = QgsLayoutExporter(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()

开发者ID:AlisterH，项目名称:Quantum-GIS，代码行数:27，代码来源:qgslayoutchecker.py

示例3: testRenderPageToImage

    def testRenderPageToImage(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)

        exporter = QgsLayoutExporter(l)
        size = QSize(1122, 794)

        # bad page numbers
        image = exporter.renderPageToImage(-1, size)
        self.assertTrue(image.isNull())
        image = exporter.renderPageToImage(1, size)
        self.assertTrue(image.isNull())

        # good page
        image = exporter.renderPageToImage(0, size)
        self.assertFalse(image.isNull())

        rendered_file_path = os.path.join(self.basetestpath, 'test_rendertoimagepage.png')
        image.save(rendered_file_path, "PNG")
        self.assertTrue(self.checkImage('rendertoimagepage', 'rendertoimagepage', rendered_file_path))

开发者ID:lyhkop，项目名称:QGIS，代码行数:31，代码来源:test_qgslayoutexporter.py

示例4: testRenderRegion

    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))

开发者ID:lyhkop，项目名称:QGIS，代码行数:35，代码来源:test_qgslayoutexporter.py

示例5: testRenderPage

    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))

开发者ID:lyhkop，项目名称:QGIS，代码行数:32，代码来源:test_qgslayoutexporter.py

示例6: testPrint

    def testPrint(self):
        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.PrintExportSettings()
        settings.dpi = 80
        settings.rasterizeWholeImage = False

        pdf_file_path = os.path.join(self.basetestpath, 'test_printdpi.pdf')
        # make a qprinter directed to pdf
        printer = QPrinter()
        printer.setOutputFileName(pdf_file_path)
        printer.setOutputFormat(QPrinter.PdfFormat)

        self.assertEqual(exporter.print(printer, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(pdf_file_path))

        rendered_page_1 = os.path.join(self.basetestpath, 'test_exporttopdfdpi.png')
        dpi = 80
        pdfToPng(pdf_file_path, rendered_page_1, dpi=dpi, page=1)
        rendered_page_2 = os.path.join(self.basetestpath, 'test_exporttopdfdpi2.png')
        pdfToPng(pdf_file_path, rendered_page_2, dpi=dpi, page=2)

        self.assertTrue(self.checkImage('printdpi_page1', 'exporttopdfdpi_page1', rendered_page_1, size_tolerance=1))
        self.assertTrue(self.checkImage('printdpi_page2', 'exporttopdfdpi_page2', rendered_page_2, size_tolerance=1))

开发者ID:lyhkop，项目名称:QGIS，代码行数:54，代码来源:test_qgslayoutexporter.py

示例7: exportItemAsPdf

    def exportItemAsPdf(self, comptecommunal, suffix=None):
        '''
        Export one PDF file using the template composer
        filled with appropriate data
        for one "compte communal"
        '''
        temppath = None
        # print("export pour le cc %s" % comptecommunal)
        # Set configuration
        self.setComposerTemplates(comptecommunal)

        # Create the composition
        self.createComposition()

        if self.currentComposition:
            # Populate composition for all pages
            # print("numpage %s" % self.numPages)
            for i in range(self.numPages):
                j=i+1
                self.addPageContent(j)

            # Add map in first page if export parcelle
            if self.etype == 'parcelle' and self.print_parcelle_page:
                self.addParcelleMap()

            # Create the pdf output path
            from time import time
            temp = "releve_%s_%s_%s.pdf" % (
                self.etype,
                comptecommunal.replace('+', 'plus').replace('*', 'fois'), #.replace('¤', 'plus'),
                int(time()*100)
            )
            # Create regexp to remove all non ascii chars
            import re
            r = re.compile(r"[^ -~]")
            temp = r.sub('', temp)
            #print temp
            temppath = os.path.join(self.targetDir, temp)
            temppath = os.path.normpath(temppath)
            # print("export temppath %s" % temppath)

            # Export as pdf
            exportersettings=QgsLayoutExporter.PdfExportSettings()
            exportersettings.dpi=300
            exportersettings.forceVectorOutput = True
            exportersettings.rasterizeWholeImage = False
            exporter = QgsLayoutExporter(self.currentComposition)
            exporter.exportToPdf(temppath, exportersettings)

            # Remove redline layer
            if self.redlineLayer:
                self.mProject.removeMapLayer(self.redlineLayer.id())

        return temppath

开发者ID:rldhont，项目名称:QgisCadastrePlugin，代码行数:54，代码来源:cadastre_export.py

示例8: testPageFileName

 def testPageFileName(self):
     l = QgsLayout(QgsProject.instance())
     exporter = QgsLayoutExporter(l)
     details = QgsLayoutExporter.PageExportDetails()
     details.directory = '/tmp/output'
     details.baseName = 'my_maps'
     details.extension = 'png'
     details.page = 0
     self.assertEqual(exporter.generateFileName(details), '/tmp/output/my_maps.png')
     details.page = 1
     self.assertEqual(exporter.generateFileName(details), '/tmp/output/my_maps_2.png')
     details.page = 2
     self.assertEqual(exporter.generateFileName(details), '/tmp/output/my_maps_3.png')

开发者ID:lyhkop，项目名称:QGIS，代码行数:13，代码来源:test_qgslayoutexporter.py

示例9: export_view

    def export_view(self):
        '''
        Export current view to PDF
        '''
        # Load template from file
        s = QSettings()
        f = s.value("cadastre/composerTemplateFile", '', type=str)
        if not os.path.exists(f):
            f = os.path.join(str(Path(__file__).resolve().parent), 'composers', 'paysage_a4.qpt')
            s.setValue("cadastre/composerTemplateFile", f)

        QApplication.setOverrideCursor(Qt.WaitCursor)
        template_content = None
        with open(f, 'rt', encoding="utf-8") as ff:
            template_content = ff.read()
        if not template_content:
            return
        d = QDomDocument()
        d.setContent(template_content)

        c = QgsPrintLayout(QgsProject.instance())
        c.loadFromTemplate(d, QgsReadWriteContext() )

        # Set scale and extent
        cm=c.referenceMap()
        canvas = self.iface.mapCanvas()
        extent = canvas.extent()
        scale = canvas.scale()
        if extent:
            cm.zoomToExtent(extent)
        if scale:
            cm.setScale(scale)

        # Export
        tempDir = s.value("cadastre/tempDir", '%s' % tempfile.gettempdir(), type=str)
        self.targetDir = tempfile.mkdtemp('', 'cad_export_', tempDir)
        temp = int(time()*100)
        temppath = os.path.join(tempDir, 'export_cadastre_%s.pdf' % temp)

        exporter = QgsLayoutExporter(c)
        exportersettings = QgsLayoutExporter.PdfExportSettings()
        exportersettings.dpi = 300
        exportersettings.forceVectorOutput = True
        exportersettings.rasterizeWholeImage = False #rasterizeWholeImage = false
        exporter.exportToPdf(temppath, exportersettings )

        QApplication.restoreOverrideCursor()

        if os.path.exists(temppath):
            cadastre_common.openFile(temppath)

开发者ID:rldhont，项目名称:QgisCadastrePlugin，代码行数:50，代码来源:cadastre_menu.py

示例10: testIteratorToPdf

    def testIteratorToPdf(self):
        project, layout = self.prepareIteratorLayout()
        atlas = layout.atlas()

        # setup settings
        settings = QgsLayoutExporter.PdfExportSettings()
        settings.dpi = 80
        settings.rasterizeWholeImage = False
        settings.forceVectorOutput = False

        pdf_path = os.path.join(self.basetestpath, 'test_exportiteratortopdf_single.pdf')
        result, error = QgsLayoutExporter.exportToPdf(atlas, pdf_path, settings)
        self.assertEqual(result, QgsLayoutExporter.Success, error)

        rendered_page_1 = os.path.join(self.basetestpath, 'test_exportiteratortopdf_single1.png')
        pdfToPng(pdf_path, rendered_page_1, dpi=80, page=1)
        self.assertTrue(self.checkImage('iteratortopdfsingle1', 'iteratortoimage1', rendered_page_1, size_tolerance=2))

        rendered_page_2 = os.path.join(self.basetestpath, 'test_exportiteratortopdf_single2.png')
        pdfToPng(pdf_path, rendered_page_2, dpi=80, page=2)
        self.assertTrue(self.checkImage('iteratortopdfsingle2', 'iteratortoimage2', rendered_page_2, size_tolerance=2))

        rendered_page_3 = os.path.join(self.basetestpath, 'test_exportiteratortopdf_single3.png')
        pdfToPng(pdf_path, rendered_page_3, dpi=80, page=3)
        self.assertTrue(os.path.exists(rendered_page_3))
        rendered_page_4 = os.path.join(self.basetestpath, 'test_exportiteratortopdf_single4.png')
        pdfToPng(pdf_path, rendered_page_4, dpi=80, page=4)
        self.assertTrue(os.path.exists(rendered_page_4))

开发者ID:lyhkop，项目名称:QGIS，代码行数:28，代码来源:test_qgslayoutexporter.py

示例11: testIteratorToPdfs

    def testIteratorToPdfs(self):
        project, layout = self.prepareIteratorLayout()
        atlas = layout.atlas()
        atlas.setFilenameExpression("'test_exportiteratortopdf_' || \"NAME_1\"")

        # setup settings
        settings = QgsLayoutExporter.PdfExportSettings()
        settings.dpi = 80
        settings.rasterizeWholeImage = False
        settings.forceVectorOutput = False

        result, error = QgsLayoutExporter.exportToPdfs(atlas, self.basetestpath + '/', settings)
        self.assertEqual(result, QgsLayoutExporter.Success, error)

        page1_path = os.path.join(self.basetestpath, 'test_exportiteratortopdf_Basse-Normandie.pdf')
        rendered_page_1 = os.path.join(self.basetestpath, 'test_exportiteratortopdf_Basse-Normandie.png')
        pdfToPng(page1_path, rendered_page_1, dpi=80, page=1)
        self.assertTrue(self.checkImage('iteratortopdf1', 'iteratortoimage1', rendered_page_1, size_tolerance=2))
        page2_path = os.path.join(self.basetestpath, 'test_exportiteratortopdf_Bretagne.pdf')
        rendered_page_2 = os.path.join(self.basetestpath, 'test_exportiteratortopdf_Bretagne.png')
        pdfToPng(page2_path, rendered_page_2, dpi=80, page=1)
        self.assertTrue(self.checkImage('iteratortopdf2', 'iteratortoimage2', rendered_page_2, size_tolerance=2))
        page3_path = os.path.join(self.basetestpath, 'test_exportiteratortopdf_Centre.pdf')
        self.assertTrue(os.path.exists(page3_path))
        page4_path = os.path.join(self.basetestpath, 'test_exportiteratortopdf_Pays de la Loire.pdf')
        self.assertTrue(os.path.exists(page4_path))

开发者ID:lyhkop，项目名称:QGIS，代码行数:26，代码来源:test_qgslayoutexporter.py

示例12: testPrintIterator

    def testPrintIterator(self):
        project, layout = self.prepareIteratorLayout()
        atlas = layout.atlas()

        # setup settings
        settings = QgsLayoutExporter.PrintExportSettings()
        settings.dpi = 80
        settings.rasterizeWholeImage = False

        pdf_path = os.path.join(self.basetestpath, 'test_printiterator.pdf')
        # make a qprinter directed to pdf
        printer = QPrinter()
        printer.setOutputFileName(pdf_path)
        printer.setOutputFormat(QPrinter.PdfFormat)

        result, error = QgsLayoutExporter.print(atlas, printer, settings)
        self.assertEqual(result, QgsLayoutExporter.Success, error)

        rendered_page_1 = os.path.join(self.basetestpath, 'test_printiterator1.png')
        pdfToPng(pdf_path, rendered_page_1, dpi=80, page=1)
        self.assertTrue(self.checkImage('printeriterator1', 'iteratortoimage1', rendered_page_1, size_tolerance=2))

        rendered_page_2 = os.path.join(self.basetestpath, 'test_printiterator2.png')
        pdfToPng(pdf_path, rendered_page_2, dpi=80, page=2)
        self.assertTrue(self.checkImage('printiterator2', 'iteratortoimage2', rendered_page_2, size_tolerance=2))

        rendered_page_3 = os.path.join(self.basetestpath, 'test_printiterator3.png')
        pdfToPng(pdf_path, rendered_page_3, dpi=80, page=3)
        self.assertTrue(os.path.exists(rendered_page_3))
        rendered_page_4 = os.path.join(self.basetestpath, 'test_printiterator4.png')
        pdfToPng(pdf_path, rendered_page_4, dpi=80, page=4)
        self.assertTrue(os.path.exists(rendered_page_4))

开发者ID:lyhkop，项目名称:QGIS，代码行数:32，代码来源:test_qgslayoutexporter.py

示例13: testExportToSvgTextRenderFormat

    def testExportToSvgTextRenderFormat(self):
        l = QgsLayout(QgsProject.instance())
        l.initializeDefaults()

        # add a map and scalebar
        mapitem = QgsLayoutItemMap(l)
        mapitem.attemptSetSceneRect(QRectF(110, 120, 200, 250))
        mapitem.zoomToExtent(QgsRectangle(1, 1, 10, 10))
        mapitem.setScale(666)  # unlikely to appear in the SVG by accident... unless... oh no! RUN!
        l.addItem(mapitem)

        item1 = QgsLayoutItemScaleBar(l)
        item1.attemptSetSceneRect(QRectF(10, 20, 100, 150))
        item1.setLinkedMap(mapitem)
        item1.setStyle('Numeric')
        l.addItem(item1)

        exporter = QgsLayoutExporter(l)
        # setup settings
        settings = QgsLayoutExporter.SvgExportSettings()
        settings.dpi = 80
        settings.forceVectorOutput = False
        settings.exportMetadata = True
        settings.textRenderFormat = QgsRenderContext.TextFormatAlwaysText

        svg_file_path = os.path.join(self.basetestpath, 'test_exporttosvgtextformattext.svg')
        self.assertEqual(exporter.exportToSvg(svg_file_path, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(svg_file_path))

        # expect svg to contain a text object with the scale
        with open(svg_file_path, 'r') as f:
            lines = ''.join(f.readlines())
        self.assertIn('<text', lines)
        self.assertIn('>1:666<', lines)

        # force use of outlines
        os.unlink(svg_file_path)
        settings.textRenderFormat = QgsRenderContext.TextFormatAlwaysOutlines
        self.assertEqual(exporter.exportToSvg(svg_file_path, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(svg_file_path))

        # expect svg NOT to contain a text object with the scale
        with open(svg_file_path, 'r') as f:
            lines = ''.join(f.readlines())
        self.assertNotIn('<text', lines)
        self.assertNotIn('>1:666<', lines)

开发者ID:manisandro，项目名称:QGIS，代码行数:46，代码来源:test_qgslayoutexporter.py

示例14: testExcludePagesImage

    def testExcludePagesImage(self):
        l = QgsLayout(QgsProject.instance())
        l.initializeDefaults()
        # add a second page
        page2 = QgsLayoutItemPage(l)
        page2.setPageSize('A5')
        l.pageCollection().addPage(page2)

        exporter = QgsLayoutExporter(l)
        # setup settings
        settings = QgsLayoutExporter.ImageExportSettings()
        settings.dpi = 80
        settings.generateWorldFile = False

        rendered_file_path = os.path.join(self.basetestpath, 'test_exclude_export.png')
        details = QgsLayoutExporter.PageExportDetails()
        details.directory = self.basetestpath
        details.baseName = 'test_exclude_export'
        details.extension = 'png'
        details.page = 0

        self.assertEqual(exporter.exportToImage(rendered_file_path, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(exporter.generateFileName(details)))
        details.page = 1
        self.assertTrue(os.path.exists(exporter.generateFileName(details)))

        # exclude a page
        l.pageCollection().page(0).setExcludeFromExports(True)
        rendered_file_path = os.path.join(self.basetestpath, 'test_exclude_export_excluded.png')
        details.baseName = 'test_exclude_export_excluded'
        details.page = 0
        self.assertEqual(exporter.exportToImage(rendered_file_path, settings), QgsLayoutExporter.Success)
        self.assertFalse(os.path.exists(exporter.generateFileName(details)))
        details.page = 1
        self.assertTrue(os.path.exists(exporter.generateFileName(details)))

        # exclude second page
        l.pageCollection().page(1).setExcludeFromExports(True)
        rendered_file_path = os.path.join(self.basetestpath, 'test_exclude_export_excluded_all.png')
        details.baseName = 'test_exclude_export_excluded_all'
        details.page = 0
        self.assertEqual(exporter.exportToImage(rendered_file_path, settings), QgsLayoutExporter.Success)
        self.assertFalse(os.path.exists(exporter.generateFileName(details)))
        details.page = 1
        self.assertFalse(os.path.exists(exporter.generateFileName(details)))

开发者ID:lyhkop，项目名称:QGIS，代码行数:45，代码来源:test_qgslayoutexporter.py

示例15: _get_layout_svg_image

    def _get_layout_svg_image(self, width, height, dpi):
        svgpath = getTempfilePath('svg')
        temp_size = os.path.getsize(svgpath)

        svg_g = QSvgGenerator()
        # noinspection PyArgumentList
        svg_g.setTitle(QgsProject.instance().title())
        svg_g.setFileName(svgpath)
        svg_g.setSize(QSize(width, height))
        svg_g.setViewBox(QRect(0, 0, width, height))
        svg_g.setResolution(dpi)

        sp = QPainter(svg_g)
        exporter = QgsLayoutExporter(self._c)
        exporter.renderPage(sp, 0)
        sp.end()

        if temp_size == os.path.getsize(svgpath):
            return False, ''

        image = QImage(width, height, self._TestMapSettings.outputImageFormat())
        image.fill(QColor(152, 219, 249).rgb())
        image.setDotsPerMeterX(dpi / 25.4 * 1000)
        image.setDotsPerMeterY(dpi / 25.4 * 1000)

        svgr = QSvgRenderer(svgpath)
        p = QPainter(image)
        p.setRenderHint(
            QPainter.Antialiasing,
            self._TestMapSettings.testFlag(QgsMapSettings.Antialiasing)
        )
        p.setRenderHint(QPainter.TextAntialiasing)
        svgr.render(p)
        p.end()

        filepath = getTempfilePath('png')
        res = image.save(filepath, 'png')
        if not res:
            os.unlink(filepath)
            filepath = ''
        # TODO: remove .svg file as well?

        return res, filepath

开发者ID:yoichigmf，项目名称:QGIS，代码行数:43，代码来源:test_qgspallabeling_layout.py

示例16: testRenderRegionToImage

    def testRenderRegionToImage(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)

        exporter = QgsLayoutExporter(l)
        size = QSize(560, 509)

        image = exporter.renderRegionToImage(QRectF(5, 10, 110, 100), size)
        self.assertFalse(image.isNull())

        rendered_file_path = os.path.join(self.basetestpath, 'test_rendertoimageregionsize.png')
        image.save(rendered_file_path, "PNG")
        self.assertTrue(self.checkImage('rendertoimageregionsize', 'rendertoimageregionsize', rendered_file_path))

        # using layout dpi
        l.renderContext().setDpi(40)
        image = exporter.renderRegionToImage(QRectF(5, 10, 110, 100))
        self.assertFalse(image.isNull())

        rendered_file_path = os.path.join(self.basetestpath, 'test_rendertoimageregiondpi.png')
        image.save(rendered_file_path, "PNG")
        self.assertTrue(self.checkImage('rendertoimageregiondpi', 'rendertoimageregiondpi', rendered_file_path))

        # overriding dpi
        image = exporter.renderRegionToImage(QRectF(5, 10, 110, 100), QSize(), 80)
        self.assertFalse(image.isNull())

        rendered_file_path = os.path.join(self.basetestpath, 'test_rendertoimageregionoverridedpi.png')
        image.save(rendered_file_path, "PNG")
        self.assertTrue(self.checkImage('rendertoimageregionoverridedpi', 'rendertoimageregionoverridedpi', rendered_file_path))

开发者ID:lyhkop，项目名称:QGIS，代码行数:41，代码来源:test_qgslayoutexporter.py

示例17: testExportToPdfSkipFirstPage

    def testExportToPdfSkipFirstPage(self):
        l = QgsLayout(QgsProject.instance())
        l.initializeDefaults()

        # page 1 is excluded from export
        page1 = l.pageCollection().page(0)
        page1.setExcludeFromExports(True)

        # add a second page
        page2 = QgsLayoutItemPage(l)
        page2.setPageSize('A5')
        l.pageCollection().addPage(page2)

        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.PdfExportSettings()
        settings.dpi = 80
        settings.rasterizeWholeImage = False
        settings.forceVectorOutput = False
        settings.exportMetadata = True

        pdf_file_path = os.path.join(self.basetestpath, 'test_exporttopdfdpi_skip_first.pdf')
        self.assertEqual(exporter.exportToPdf(pdf_file_path, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(pdf_file_path))

        rendered_page_1 = os.path.join(self.basetestpath, 'test_exporttopdfdpi_skip_first.png')
        dpi = 80
        pdfToPng(pdf_file_path, rendered_page_1, dpi=dpi, page=1)

        self.assertTrue(self.checkImage('test_exporttopdfdpi_skip_first', 'exporttopdfdpi_page2', rendered_page_1, size_tolerance=1))

开发者ID:manisandro，项目名称:QGIS，代码行数:41，代码来源:test_qgslayoutexporter.py

示例18: testExportWorldFile

    def testExportWorldFile(self):
        l = QgsLayout(QgsProject.instance())
        l.initializeDefaults()

        # add some items
        map = QgsLayoutItemMap(l)
        map.attemptSetSceneRect(QRectF(30, 60, 200, 100))
        extent = QgsRectangle(2000, 2800, 2500, 2900)
        map.setExtent(extent)
        l.addLayoutItem(map)

        exporter = QgsLayoutExporter(l)
        # setup settings
        settings = QgsLayoutExporter.ImageExportSettings()
        settings.dpi = 80
        settings.generateWorldFile = False

        rendered_file_path = os.path.join(self.basetestpath, 'test_exportwithworldfile.png')
        world_file_path = os.path.join(self.basetestpath, 'test_exportwithworldfile.pgw')
        self.assertEqual(exporter.exportToImage(rendered_file_path, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(rendered_file_path))
        self.assertFalse(os.path.exists(world_file_path))

        # with world file
        settings.generateWorldFile = True
        rendered_file_path = os.path.join(self.basetestpath, 'test_exportwithworldfile.png')
        self.assertEqual(exporter.exportToImage(rendered_file_path, settings), QgsLayoutExporter.Success)
        self.assertTrue(os.path.exists(rendered_file_path))
        self.assertTrue(os.path.exists(world_file_path))

        lines = tuple(open(world_file_path, 'r'))
        values = [float(f) for f in lines]
        self.assertAlmostEqual(values[0], 0.794117647059, 2)
        self.assertAlmostEqual(values[1], 0.0, 2)
        self.assertAlmostEqual(values[2], 0.0, 2)
        self.assertAlmostEqual(values[3], -0.794251134644, 2)
        self.assertAlmostEqual(values[4], 1925.000000000000, 2)
        self.assertAlmostEqual(values[5], 3050.000000000000, 2)

开发者ID:lyhkop，项目名称:QGIS，代码行数:38，代码来源:test_qgslayoutexporter.py

示例19: testExportReport

    def testExportReport(self):
        p = QgsProject()
        r = QgsReport(p)

        # add a header
        r.setHeaderEnabled(True)
        report_header = QgsLayout(p)
        report_header.initializeDefaults()
        item1 = QgsLayoutItemShape(report_header)
        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)
        report_header.addItem(item1)

        r.setHeader(report_header)

        # add a footer
        r.setFooterEnabled(True)
        report_footer = QgsLayout(p)
        report_footer.initializeDefaults()
        item2 = QgsLayoutItemShape(report_footer)
        item2.attemptSetSceneRect(QRectF(10, 20, 100, 150))
        item2.attemptMove(QgsLayoutPoint(10, 20))
        fill = QgsSimpleFillSymbolLayer()
        fill_symbol = QgsFillSymbol()
        fill_symbol.changeSymbolLayer(0, fill)
        fill.setColor(Qt.cyan)
        fill.setStrokeStyle(Qt.NoPen)
        item2.setSymbol(fill_symbol)
        report_footer.addItem(item2)

        r.setFooter(report_footer)

        # setup settings
        settings = QgsLayoutExporter.ImageExportSettings()
        settings.dpi = 80

        report_path = os.path.join(self.basetestpath, 'test_report')
        result, error = QgsLayoutExporter.exportToImage(r, report_path, 'png', settings)
        self.assertEqual(result, QgsLayoutExporter.Success, error)

        page1_path = os.path.join(self.basetestpath, 'test_report_0001.png')
        self.assertTrue(self.checkImage('report_page1', 'report_page1', page1_path))
        page2_path = os.path.join(self.basetestpath, 'test_report_0002.png')
        self.assertTrue(self.checkImage('report_page2', 'report_page2', page2_path))

开发者ID:lyhkop，项目名称:QGIS，代码行数:49，代码来源:test_qgslayoutexporter.py

示例20: testIteratorToImages

    def testIteratorToImages(self):
        project, layout = self.prepareIteratorLayout()
        atlas = layout.atlas()
        atlas.setFilenameExpression("'test_exportiteratortoimage_' || \"NAME_1\"")

        # setup settings
        settings = QgsLayoutExporter.ImageExportSettings()
        settings.dpi = 80

        result, error = QgsLayoutExporter.exportToImage(atlas, self.basetestpath + '/', 'png', settings)
        self.assertEqual(result, QgsLayoutExporter.Success, error)

        page1_path = os.path.join(self.basetestpath, 'test_exportiteratortoimage_Basse-Normandie.png')
        self.assertTrue(self.checkImage('iteratortoimage1', 'iteratortoimage1', page1_path))
        page2_path = os.path.join(self.basetestpath, 'test_exportiteratortoimage_Bretagne.png')
        self.assertTrue(self.checkImage('iteratortoimage2', 'iteratortoimage2', page2_path))
        page3_path = os.path.join(self.basetestpath, 'test_exportiteratortoimage_Centre.png')
        self.assertTrue(os.path.exists(page3_path))
        page4_path = os.path.join(self.basetestpath, 'test_exportiteratortoimage_Pays de la Loire.png')
        self.assertTrue(os.path.exists(page4_path))

开发者ID:lyhkop，项目名称:QGIS，代码行数:20，代码来源:test_qgslayoutexporter.py

注：本文中的qgis.core.QgsLayoutExporter类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Python core.QgsLayoutExporter类代码示例

示例1: _get_layout_image

示例2: testLayout

示例3: testRenderPageToImage

示例4: testRenderRegion

示例5: testRenderPage

示例6: testPrint

示例7: exportItemAsPdf

示例8: testPageFileName

示例9: export_view

示例10: testIteratorToPdf

示例11: testIteratorToPdfs

示例12: testPrintIterator

示例13: testExportToSvgTextRenderFormat

示例14: testExcludePagesImage

示例15: _get_layout_svg_image

示例16: testRenderRegionToImage

示例17: testExportToPdfSkipFirstPage

示例18: testExportWorldFile

示例19: testExportReport

示例20: testIteratorToImages

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