缩放视觉画笔背景 WPF

发布于 2024-08-26 17:22:23 字数 622 浏览 11 评论 0原文

我的 xaml 中有一个名为 MiniMap 的项目。我已将其背景设置为代表画布项目的视觉画笔。现在，我想将背景缩放到比率 0.7 。我该怎么做呢？提前致谢

<local:MiniMap Width="201" Height="134" x:Name="MiniMapItem" MinHeight="100" MinWidth="100" Opacity="1" SnapsToDevicePixels="True" Margin="0,0,20,20" VerticalAlignment="Bottom" HorizontalAlignment="Right">
                    <local:MiniMap.Background>
                        <VisualBrush Visual="{Binding ElementName=viewport}" Stretch="None" TileMode="None" AlignmentX="Left" AlignmentY="Top" />
                    </local:MiniMap.Background>
                </local:MiniMap>

原文

I have a Item called MiniMap in my xaml. I have set the background of it to a visual brush representting a canvas Item. Now, I want to scale the background to a ratio 0.7 . How can I do it?
Thanks in advance

<local:MiniMap Width="201" Height="134" x:Name="MiniMapItem" MinHeight="100" MinWidth="100" Opacity="1" SnapsToDevicePixels="True" Margin="0,0,20,20" VerticalAlignment="Bottom" HorizontalAlignment="Right">
                    <local:MiniMap.Background>
                        <VisualBrush Visual="{Binding ElementName=viewport}" Stretch="None" TileMode="None" AlignmentX="Left" AlignmentY="Top" />
                    </local:MiniMap.Background>
                </local:MiniMap>

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从﹋此江山别 2024-09-02 17:22:23

试试这个：

<VisualBrush Visual="{Binding ElementName=viewport}" Stretch="None" TileMode="None" AlignmentX="Left" AlignmentY="Top">
   <VisualBrush.Transform>
      <ScaleTransform ScaleX="0.7" ScaleY="0.7" />
   </VisualBrush.Transform>
</VisualBrush>

您可能需要使用 CenterX 和 CenterY 属性才能使其看起来正确。通常您会希望将它们设置为要缩放的中间点。

Try this:

<VisualBrush Visual="{Binding ElementName=viewport}" Stretch="None" TileMode="None" AlignmentX="Left" AlignmentY="Top">
   <VisualBrush.Transform>
      <ScaleTransform ScaleX="0.7" ScaleY="0.7" />
   </VisualBrush.Transform>
</VisualBrush>

You may need to play with the CenterX and CenterY properties to get it to look right. Usually you'll want them to be set to the middle point of what you're scaling.

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