def render(self, fileName, width, height): self.setViewportSize(QSize(width, height)) fileInfo = QFileInfo(fileName) dir = QDir() dir.mkpath(fileInfo.absolutePath()) viewportSize = self.viewportSize() pageSize = self.mainFrame().contentsSize() if pageSize.isEmpty(): return False buffer = QImage(pageSize, QImage.Format_ARGB32) buffer.fill(qRgba(255, 255, 255, 0)) p = QPainter(buffer) p.setRenderHint( QPainter.Antialiasing, True) p.setRenderHint( QPainter.TextAntialiasing, True) p.setRenderHint( QPainter.SmoothPixmapTransform, True) self.setViewportSize(pageSize) self.mainFrame().render(p) p.end() self.setViewportSize(viewportSize) return buffer.save(fileName)