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我们在应用程序中使用从 Expression Design 导出的矢量图标，但我只是注意到，当图标中的所有空白区域显示在拉伸图像中时，它们都会被修剪掉。由于拥有矢量图标的全部意义在于允许它们很好地拉伸和缩放，这看起来很奇怪。

这是一个例子。红星和蓝星都设计在 32 像素宽的文档中，但蓝星要小得多。将拉伸属性设置为 Uniform 会突然使两个图标大小相同。

在此处输入图像描述

是否有可能解决这个问题并在图标周围保留空白？我想一个可能的解决方法是添加一个覆盖整个图标区域的透明背景矩形，但这对我来说似乎是一个糟糕的解决方案。

<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="GeneralTest.MainWindow"
    x:Name="Window"
    Title="MainWindow"
    Width="640" Height="480">

    <Window.Resources>
        <DrawingImage x:Key="small_blue_star">
            <DrawingImage.Drawing>
                <DrawingGroup>
                    <DrawingGroup.Children>
                        <GeometryDrawing Brush="Blue" Geometry="F1 M 20.4989,22C 20.4634,22.0177 16.2771,19.0022 16.2416,19.0022C 16.2061,19.0022 12.0021,22.0177 11.9844,22C 11.9489,21.9823 13.4921,17.0332 13.4744,16.9977C 13.4744,16.9623 9.4655,14.0354 9.48323,13.9999C 9.48323,13.9644 14.45,14.0177 14.4855,13.9999C 14.5032,13.9822 16.2061,8.99765 16.2416,8.99765C 16.2771,8.99765 17.9623,13.9822 17.98,13.9999C 18.0155,14.0177 22.9823,13.9644 23,13.9999C 23,14.0354 18.9911,16.9623 18.9911,16.9977C 18.9734,17.0332 20.5166,21.9823 20.4989,22 Z "/>
                    </DrawingGroup.Children>
                </DrawingGroup>
            </DrawingImage.Drawing>
        </DrawingImage>

        <DrawingImage x:Key="big_red_star">
            <DrawingImage.Drawing>
                <DrawingGroup>
                    <DrawingGroup.Children>
                        <GeometryDrawing Brush="Red" Geometry="F1 M 26.0781,32C 25.9941,32.0436 16.0823,24.6277 15.9983,24.6277C 15.9143,24.6277 5.96055,32.0436 5.91855,32C 5.83455,31.9564 9.48848,19.7856 9.44648,19.6983C 9.44648,19.6111 -0.0453207,12.4133 -0.00332647,12.326C -0.00332647,12.2388 11.7564,12.3697 11.8404,12.326C 11.8824,12.2824 15.9143,0.0243702 15.9983,0.0243702C 16.0823,0.0243702 20.0723,12.2824 20.1142,12.326C 20.1982,12.3697 31.958,12.2388 32,12.326C 32,12.4133 22.5082,19.6111 22.5082,19.6983C 22.4662,19.7856 26.1201,31.9564 26.0781,32 Z "/>
                    </DrawingGroup.Children>
                </DrawingGroup>
            </DrawingImage.Drawing>
        </DrawingImage>
    </Window.Resources>

    <StackPanel x:Name="LayoutRoot">
        <StackPanel Orientation="Horizontal">
                <TextBlock Text="Stretch=None" Width="100"/>        
                <Image Source="{StaticResource big_red_star}"    Width="32" Stretch="None"/>
                <Image Source="{StaticResource small_blue_star}" Width="32" Stretch="None"/>
        </StackPanel>
        <StackPanel Orientation="Horizontal">
                <TextBlock Text="Stretch=Uniform" Width="100"/> 
                <Image Source="{StaticResource big_red_star}"    Width="32" Stretch="Uniform" />
                <Image Source="{StaticResource small_blue_star}" Width="32" Stretch="Uniform"/>         
        </StackPanel>
    </StackPanel>
</Window>
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