icon字体库查找网址：https://www.iconfont.cn/
复制找到的字体的svg内容，里面的path对值填在figures里，一个path对值对应一个figures。有几个path，就对应写几个figures
image控件应用
<Image.Source>
<DrawingImage>
<DrawingImage.Drawing>
<GeometryDrawing>
<GeometryDrawing.Brush>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="Black" Offset="0"/>
<GradientStop Color="White" Offset="0.5"/>
<GradientStop Color="Black" Offset="1"/>
</LinearGradientBrush>
</GeometryDrawing.Brush>
<GeometryDrawing.Geometry>
<GeometryGroup>
<PathGeometry Figures="M801.01 416.94c51.912 30.945 115.608 114.424 142.11 214.916 26.501 100.49 22.107 190.477 22.107 190.477s-34.31-55.416-48.22-74.842-72.53-91.801-163.516-133.75-243.073-34.48-243.073-34.48v174.68L91.272 457.045 510.418 160.15v176.286s100.69 7.578 153.32 18.477c88.647 18.358 137.272 62.027 137.272 62.027z"/>
</GeometryGroup>
</GeometryDrawing.Geometry>
</GeometryDrawing>
</DrawingImage.Drawing>
</DrawingImage>
</Image.Source>
