def repaintModel(self): self.scene = ModelerScene() self.scene.setSceneRect( QRectF(0, 0, ModelerAlgorithm.CANVAS_SIZE, ModelerAlgorithm.CANVAS_SIZE)) self.scene.paintModel(self.alg) self.view.setScene(self.scene)
def _set_up_composition(self, width, height, dpi): # set up composition and add map self._c = QgsComposition(self._TestMapSettings) """:type: QgsComposition""" # self._c.setUseAdvancedEffects(False) self._c.setPrintResolution(dpi) # 600 x 400 px = 211.67 x 141.11 mm @ 72 dpi paperw = width * 25.4 / dpi paperh = height * 25.4 / dpi self._c.setPaperSize(paperw, paperh) # NOTE: do not use QgsComposerMap(self._c, 0, 0, paperw, paperh) since # it only takes integers as parameters and the composition will grow # larger based upon union of item scene rectangles and a slight buffer # see end of QgsComposition::compositionBounds() # add map as small graphics item first, then set its scene QRectF later self._cmap = QgsComposerMap(self._c, 10, 10, 10, 10) """:type: QgsComposerMap""" self._cmap.setPreviewMode(QgsComposerMap.Render) self._cmap.setFrameEnabled(False) self._c.addComposerMap(self._cmap) # now expand map to fill page and set its extent self._cmap.setSceneRect(QRectF(0, 0, paperw, paperw)) self._cmap.setNewExtent(self.aoiExtent()) # self._cmap.updateCachedImage() self._c.setPlotStyle(QgsComposition.Print)
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)
def paint(self, painter, option, widget=None): rect = QRectF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2.0, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2.0, ModelerGraphicItem.BOX_WIDTH + 2, ModelerGraphicItem.BOX_HEIGHT + 2) painter.setPen(QPen(Qt.gray, 1)) color = QColor(125, 232, 232) if isinstance(self.element, ModelerParameter): color = QColor(179, 179, 255) elif isinstance(self.element, Algorithm): color = Qt.white painter.setBrush(QBrush(color, Qt.SolidPattern)) painter.drawRect(rect) font = QFont('Verdana', 8) painter.setFont(font) painter.setPen(QPen(Qt.black)) text = self.getAdjustedText(self.text) if isinstance(self.element, Algorithm) and not self.element.active: painter.setPen(QPen(Qt.gray)) text = text + "\n(deactivated)" elif self.isSelected(): painter.setPen(QPen(Qt.blue)) fm = QFontMetricsF(font) text = self.getAdjustedText(self.text) h = fm.height() pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 25, h / 2.0) painter.drawText(pt, text) painter.setPen(QPen(Qt.black)) if isinstance(self.element, Algorithm): h = -(fm.height() * 1.2) h = h - ModelerGraphicItem.BOX_HEIGHT / 2.0 + 5 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 25, h) painter.drawText(pt, 'In') i = 1 if not self.element.paramsFolded: for param in self.element.algorithm.parameters: if not param.hidden: text = self.getAdjustedText(param.description) h = -(fm.height() * 1.2) * (i + 1) h = h - ModelerGraphicItem.BOX_HEIGHT / 2.0 + 5 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 33, h) painter.drawText(pt, text) i += 1 h = fm.height() * 1.2 h = h + ModelerGraphicItem.BOX_HEIGHT / 2.0 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 25, h) painter.drawText(pt, 'Out') if not self.element.outputsFolded: for i, out in enumerate(self.element.algorithm.outputs): text = self.getAdjustedText(out.description) h = fm.height() * 1.2 * (i + 2) h = h + ModelerGraphicItem.BOX_HEIGHT / 2.0 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 33, h) painter.drawText(pt, text) if self.pixmap: painter.drawPixmap(-(ModelerGraphicItem.BOX_WIDTH / 2.0) + 3, -8, self.pixmap)
def paint(self, painter, option, widget=None): pt = QPointF(-self.WIDTH / 2, -self.HEIGHT / 2) + self.position rect = QRectF(pt.x(), pt.y(), self.WIDTH, self.HEIGHT) if self.isIn: painter.setPen(QPen(Qt.transparent, 1)) painter.setBrush(QBrush(Qt.lightGray, Qt.SolidPattern)) else: painter.setPen(QPen(Qt.transparent, 1)) painter.setBrush(QBrush(Qt.transparent, Qt.SolidPattern)) painter.drawRect(rect) painter.drawPixmap(pt.x(), pt.y(), self.pixmap)
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)
def __init__(self, methodName): """Run once on class initialization.""" unittest.TestCase.__init__(self, methodName) TEST_DATA_DIR = unitTestDataPath() self.pngImage = TEST_DATA_DIR + "/sample_image.png" # create composition self.mapSettings = QgsMapSettings() self.composition = QgsComposition(self.mapSettings) self.composition.setPaperSize(297, 210) self.composerPicture = QgsComposerPicture(self.composition) self.composerPicture.setPicturePath(self.pngImage) self.composerPicture.setSceneRect(QRectF(70, 70, 100, 100)) self.composerPicture.setFrameEnabled(True) self.composition.addComposerPicture(self.composerPicture)
def boundingRect(self): font = QFont('Verdana', 8) fm = QFontMetricsF(font) unfolded = isinstance(self.element, Algorithm) and not self.element.paramsFolded numParams = len(self.element.algorithm.parameters) if unfolded else 0 unfolded = isinstance(self.element, Algorithm) and not self.element.outputsFolded numOutputs = len(self.element.algorithm.outputs) if unfolded else 0 hUp = fm.height() * 1.2 * (numParams + 2) hDown = fm.height() * 1.2 * (numOutputs + 2) rect = QRectF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp, ModelerGraphicItem.BOX_WIDTH + 2, ModelerGraphicItem.BOX_HEIGHT + hDown + hUp) return rect
def testCase(self): self.TEST_DATA_DIR = unitTestDataPath() tmppath = tempfile.mkdtemp() for file in glob.glob( os.path.join(self.TEST_DATA_DIR, 'france_parts.*')): shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath) vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp") mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr") QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer]) # create composition with composer map self.mapSettings = QgsMapSettings() layerStringList = [] layerStringList.append(mVectorLayer.id()) self.mapSettings.setLayers(layerStringList) self.mapSettings.setCrsTransformEnabled(True) self.mapSettings.setMapUnits(QGis.Meters) # select epsg:2154 crs = QgsCoordinateReferenceSystem() crs.createFromSrid(2154) self.mapSettings.setDestinationCrs(crs) self.mComposition = QgsComposition(self.mapSettings) self.mComposition.setPaperSize(297, 210) # fix the renderer, fill with green props = {"color": "0,127,0"} fillSymbol = QgsFillSymbolV2.createSimple(props) renderer = QgsSingleSymbolRendererV2(fillSymbol) mVectorLayer.setRendererV2(renderer) # the atlas map self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130) self.mAtlasMap.setFrameEnabled(True) self.mComposition.addComposerMap(self.mAtlasMap) # the atlas self.mAtlas = self.mComposition.atlasComposition() self.mAtlas.setCoverageLayer(mVectorLayer) self.mAtlas.setEnabled(True) self.mComposition.setAtlasMode(QgsComposition.ExportAtlas) # an overview mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50) mOverview.setFrameEnabled(True) mOverview.setOverviewFrameMap(self.mAtlasMap.id()) self.mComposition.addComposerMap(mOverview) nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887) mOverview.setNewExtent(nextent) # set the fill symbol of the overview map props2 = {"color": "127,0,0,127"} fillSymbol2 = QgsFillSymbolV2.createSimple(props2) mOverview.setOverviewFrameMapSymbol(fillSymbol2) # header label self.mLabel1 = QgsComposerLabel(self.mComposition) self.mComposition.addComposerLabel(self.mLabel1) self.mLabel1.setText("[% \"NAME_1\" %] area") self.mLabel1.setFont(QgsFontUtils.getStandardTestFont()) self.mLabel1.adjustSizeToText() self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15)) qWarning( "header label font: %s exactMatch:%s" % (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch())) # feature number label self.mLabel2 = QgsComposerLabel(self.mComposition) self.mComposition.addComposerLabel(self.mLabel2) self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]") self.mLabel2.setFont(QgsFontUtils.getStandardTestFont()) self.mLabel2.adjustSizeToText() self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15)) qWarning( "feature number label font: %s exactMatch:%s" % (self.mLabel2.font().toString(), self.mLabel2.font().exactMatch())) self.filename_test() self.autoscale_render_test() self.autoscale_render_test_old_api() self.fixedscale_render_test() self.predefinedscales_render_test() self.hidden_render_test() self.legend_test() shutil.rmtree(tmppath, True)
def boundingRect(self): rect = QRectF(self.position.x() - self.WIDTH / 2, self.position.y() - self.HEIGHT / 2, self.WIDTH, self.HEIGHT) return rect
def __init__(self, alg=None): super(ModelerDialog, self).__init__(None) self.setupUi(self) self.zoom = 1 self.setWindowFlags(Qt.WindowMinimizeButtonHint | Qt.WindowMaximizeButtonHint | Qt.WindowCloseButtonHint) settings = QSettings() self.splitter.restoreState( settings.value("/Processing/splitterModeler", QByteArray())) self.restoreGeometry( settings.value("/Processing/geometryModeler", QByteArray())) self.tabWidget.setCurrentIndex(0) self.scene = ModelerScene(self) self.scene.setSceneRect( QRectF(0, 0, self.CANVAS_SIZE, self.CANVAS_SIZE)) self.view.setScene(self.scene) self.view.setAcceptDrops(True) self.view.ensureVisible(0, 0, 10, 10) def _dragEnterEvent(event): if event.mimeData().hasText(): event.acceptProposedAction() else: event.ignore() def _dropEvent(event): if event.mimeData().hasText(): text = event.mimeData().text() if text in ModelerParameterDefinitionDialog.paramTypes: self.addInputOfType(text, event.pos()) else: alg = ModelerUtils.getAlgorithm(text) if alg is not None: self._addAlgorithm(alg.getCopy(), event.pos()) event.accept() else: event.ignore() def _dragMoveEvent(event): if event.mimeData().hasText(): event.accept() else: event.ignore() def _wheelEvent(event): self.view.setTransformationAnchor(QGraphicsView.AnchorUnderMouse) factor = 1.05 if event.delta() > 0: factor = 1 / factor self.view.scale(factor, factor) self.repaintModel() def _enterEvent(e): QGraphicsView.enterEvent(self.view, e) self.view.viewport().setCursor(Qt.ArrowCursor) def _mousePressEvent(e): QGraphicsView.mousePressEvent(self.view, e) self.view.viewport().setCursor(Qt.ArrowCursor) def _mouseReleaseEvent(e): QGraphicsView.mouseReleaseEvent(self.view, e) self.view.viewport().setCursor(Qt.ArrowCursor) self.view.setDragMode(QGraphicsView.ScrollHandDrag) self.view.dragEnterEvent = _dragEnterEvent self.view.dropEvent = _dropEvent self.view.dragMoveEvent = _dragMoveEvent self.view.wheelEvent = _wheelEvent self.view.enterEvent = _enterEvent self.view.mousePressEvent = _mousePressEvent self.view.mouseReleaseEvent = _mouseReleaseEvent def _mimeDataInput(items): mimeData = QMimeData() text = items[0].text(0) mimeData.setText(text) return mimeData self.inputsTree.mimeData = _mimeDataInput self.inputsTree.setDragDropMode(QTreeWidget.DragOnly) self.inputsTree.setDropIndicatorShown(True) def _mimeDataAlgorithm(items): item = items[0] if isinstance(item, TreeAlgorithmItem): mimeData = QMimeData() mimeData.setText(item.alg.commandLineName()) return mimeData self.algorithmTree.mimeData = _mimeDataAlgorithm self.algorithmTree.setDragDropMode(QTreeWidget.DragOnly) self.algorithmTree.setDropIndicatorShown(True) # Set icons self.btnOpen.setIcon( QgsApplication.getThemeIcon('/mActionFileOpen.svg')) self.btnSave.setIcon( QgsApplication.getThemeIcon('/mActionFileSave.svg')) self.btnSaveAs.setIcon( QgsApplication.getThemeIcon('/mActionFileSaveAs.svg')) self.btnExportImage.setIcon( QgsApplication.getThemeIcon('/mActionSaveMapAsImage.png')) self.btnExportPython.setIcon( QgsApplication.getThemeIcon('/console/iconSaveAsConsole.png')) self.btnEditHelp.setIcon( QIcon(os.path.join(pluginPath, 'images', 'edithelp.png'))) self.btnRun.setIcon( QIcon(os.path.join(pluginPath, 'images', 'runalgorithm.png'))) if hasattr(self.searchBox, 'setPlaceholderText'): self.searchBox.setPlaceholderText(self.tr('Search...')) if hasattr(self.textName, 'setPlaceholderText'): self.textName.setPlaceholderText( self.tr('[Enter model name here]')) if hasattr(self.textGroup, 'setPlaceholderText'): self.textGroup.setPlaceholderText( self.tr('[Enter group name here]')) # Connect signals and slots self.inputsTree.doubleClicked.connect(self.addInput) self.searchBox.textChanged.connect(self.fillAlgorithmTree) self.algorithmTree.doubleClicked.connect(self.addAlgorithm) self.btnOpen.clicked.connect(self.openModel) self.btnSave.clicked.connect(self.save) self.btnSaveAs.clicked.connect(self.saveAs) self.btnExportImage.clicked.connect(self.exportAsImage) self.btnExportPython.clicked.connect(self.exportAsPython) self.btnEditHelp.clicked.connect(self.editHelp) self.btnRun.clicked.connect(self.runModel) if alg is not None: self.alg = alg self.textGroup.setText(alg.group) self.textName.setText(alg.name) self.repaintModel() else: self.alg = ModelerAlgorithm() self.alg.modelerdialog = self self.fillInputsTree() self.fillAlgorithmTree() self.view.centerOn(0, 0) self.alg.setModelerView(self) self.help = None # Indicates whether to update or not the toolbox after # closing this dialog self.update = False self.hasChanged = False