def renderAnnotation(self, annotation, offset): image = QImage(600, 400, QImage.Format_RGB32) image.fill(QColor(0, 0, 0, 0)) QgsRenderChecker.drawBackground(image) painter = QPainter() ms = QgsMapSettings() ms.setDestinationCrs(QgsCoordinateReferenceSystem(4326)) extent = QgsRectangle(0, 5, 40, 30) ms.setExtent(extent) ms.setOutputSize(image.size()) context = QgsRenderContext.fromMapSettings(ms) context.setPainter(painter) context.setScaleFactor(96 / 25.4) # 96 DPI painter.begin(image) painter.translate(offset.x(), offset.y()) annotation.render(context) painter.end() return image