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快捷工具处添加比例尺开关

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李伟
2026-05-13 09:04:14 +08:00
parent f5f449b6fc
commit b9106acdf0
8 changed files with 392 additions and 15 deletions
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XP.ImageProcessing.RoiControl/Controls/PolygonRoiCanvas.xaml
+90
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@@ -14,6 +14,7 @@
<UserControl.Resources>
<behaviors:PointListToPointCollectionConverter x:Key="PointListToPointCollectionConverter" />
<converters:ROITypeToVisibilityConverter x:Key="ROITypeToVisibilityConverter" />
<BooleanToVisibilityConverter x:Key="BoolToVisibilityConverter" />
</UserControl.Resources>
<Border BorderBrush="Transparent" BorderThickness="1" ClipToBounds="True">
<Grid>
@@ -71,6 +72,95 @@
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
<!-- 比例尺：位于图像坐标系内，随 LayoutTransform（缩放）与 RenderTransform（平移）与底图一致 -->
<Grid
x:Name="ScaleBarOverlay"
Canvas.Left="0"
Canvas.Top="0"
Width="{Binding CanvasWidth, ElementName=root}"
Height="{Binding CanvasHeight, ElementName=root}"
Panel.ZIndex="10000"
IsHitTestVisible="False"
Visibility="{Binding ShowScaleBar, ElementName=root, Converter={StaticResource BoolToVisibilityConverter}}">
<Border
Margin="0,0,0,12"
Padding="0"
HorizontalAlignment="Center"
VerticalAlignment="Bottom"
Background="Transparent">
<StackPanel VerticalAlignment="Bottom" Orientation="Horizontal">
<!-- 尺身：底线 + 端部刻度 + 内侧无刻度竖线 -->
<Grid
x:Name="ScaleBarTrack"
Height="18"
MinWidth="8"
VerticalAlignment="Bottom"
Width="{Binding ScaleBarLengthPixels, ElementName=root}">
<Line
X1="0"
Y1="16"
X2="{Binding ScaleBarLengthPixels, ElementName=root}"
Y2="16"
Stroke="Red"
StrokeThickness="2"
SnapsToDevicePixels="True" />
<Line
X1="0"
X2="0"
Y1="9"
Y2="16"
Stroke="Red"
StrokeThickness="1.5"
SnapsToDevicePixels="True" />
<Line
X1="{Binding ScaleBarLengthPixels, ElementName=root}"
X2="{Binding ScaleBarLengthPixels, ElementName=root}"
Y1="9"
Y2="16"
Stroke="Red"
StrokeThickness="1.5"
SnapsToDevicePixels="True" />
<ItemsControl ItemsSource="{Binding ScaleBarMinorTickXs, ElementName=root}">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<Canvas
IsItemsHost="True"
Width="{Binding ScaleBarLengthPixels, ElementName=root}"
Height="18"
ClipToBounds="False" />
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
<ItemsControl.ItemContainerStyle>
<Style TargetType="ContentPresenter">
<Setter Property="Canvas.Left" Value="{Binding}" />
<Setter Property="Canvas.Top" Value="0" />
</Style>
</ItemsControl.ItemContainerStyle>
<ItemsControl.ItemTemplate>
<DataTemplate>
<Line
X1="0"
X2="0"
Y1="11"
Y2="16"
Stroke="Red"
StrokeThickness="1"
SnapsToDevicePixels="True" />
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
</Grid>
<TextBlock
Margin="6,0,0,0"
VerticalAlignment="Center"
FontSize="11"
FontWeight="SemiBold"
Foreground="Red"
Text="{Binding ScaleBarCaption, ElementName=root}" />
</StackPanel>
</Border>
</Grid>
</Canvas>
</Grid>