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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def qt_svg_to_png_renderer(impact_report, component):
 """Render SVG into PNG. :param impact_report: ImpactReport contains data about the report that is going to be generated. :type impact_report: safe.report.impact_report.ImpactReport :param component: Contains the component metadata and context for rendering the output. :type component: safe.report.report_metadata.QgisComposerComponentsMetadata :return: Whatever type of output the component should be. .. versionadded:: 4.0 """

    context = component.context
    filepath = context['filepath']
    width = component.extra_args['width']
    height = component.extra_args['height']
    image_format = QImage.Format_ARGB32
    qimage = QImage(width, height, image_format)
    qimage.fill(0x00000000)
    renderer = QSvgRenderer(filepath)
    painter = QPainter(qimage)
    renderer.render(painter)
    # Should call painter.end() so that QImage is not used
    painter.end()

    # in case output folder not specified
    if impact_report.output_folder is None:
        impact_report.output_folder = mkdtemp(dir=temp_dir())
    output_path = impact_report.component_absolute_output_path(
        component.key)

    qimage.save(output_path)

    component.output = output_path
    return component.output