从 SVG 图像创建像素图
如果您有一个可自由缩放的 SVG 格式图标，可以在图像查看器中打开它，将其导出为多个不同大小的图像，创建一组像素图。
选择工具栏上的
(Export)。
然后就可以使用QIcon::addPixmap() 将像素图添加到不同模式和状态的图标中。
另请参阅 " 如何：设计用户界面 "和"用户界面设计"。
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