def __saveAsSVG(self, fileName):
"""Saves the flowchart as an SVG file"""
generator = QSvgGenerator()
generator.setFileName(fileName)
generator.setSize(QSize(self.scene().width(), self.scene().height()))
painter = QPainter(generator)
self.scene().render(painter)
painter.end()
def __getPNG(self):
"""Renders the scene as PNG"""
image = QImage(self.scene().width(), self.scene().height(),
QImage.Format_ARGB32_Premultiplied)
painter = QPainter(image)
# It seems that the better results are without antialiasing
# painter.setRenderHint( QPainter.Antialiasing )
self.scene().render(painter)
painter.end()
return image
def __getImage(self):
"""Renders the diagram to an image"""
scene = self.scene()
image = QImage(scene.width(), scene.height(),
QImage.Format_ARGB32_Premultiplied)
painter = QPainter(image)
# If switched on then rectangles edges will not be sharp
# painter.setRenderHint( QPainter.Antialiasing )
scene.render(painter)
painter.end()
return image
def __saveAsPDF(self, fileName):
"""Saves the flowchart as an PDF file"""
printer = QPrinter()
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setPaperSize(QSizeF(self.scene().width(),
self.scene().height()), QPrinter.Point)
printer.setFullPage(True)
printer.setOutputFileName(fileName)
painter = QPainter(printer)
self.scene().render(painter)
painter.end()