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优化了画布平移、缩放、改变尺寸

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fengjiayi
2024-09-10 11:49:56 +08:00
parent ce947d4472
commit ec6e09ced1
6 changed files with 92 additions and 178 deletions
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43
WorkBench/MainWindow.xaml
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@@ -87,14 +87,11 @@
</StackPanel>
<StackPanel Grid.Row="1"
x:Name="FlowChartStackPanel">
x:Name="FlowChartStackPanel"
ClipToBounds="True">
<Canvas
x:Name="FlowChartCanvas"
Background="#F2EEE8"
Background="#D9FFEA"
AllowDrop="True"
MouseDown="FlowChartCanvas_MouseDown"
MouseMove="FlowChartCanvas_MouseMove"
@@ -111,12 +108,12 @@
Canvas.Left="0" Canvas.Top="0"/>-->
<!-- Top-Right Thumb -->
<Thumb x:Name="TopRightThumb"
<!--<Thumb x:Name="TopRightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_TopRight"
Cursor="SizeNESW"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="0"/>
Canvas.Top="0"/>-->
<!-- Bottom-Left Thumb -->
<!--<Thumb x:Name="BottomLeftThumb"
@@ -143,12 +140,15 @@
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"/>-->
<!-- Right Thumb -->
<Thumb x:Name="RightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Right"
Cursor="SizeWE"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"/>
<!--Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"-->
<Thumb x:Name="RightThumb" Width="5" Cursor="SizeWE" Canvas.Top="0" Canvas.Right="0" DragDelta="Thumb_DragDelta_Right">
<Thumb.Template>
<ControlTemplate>
<Border Background="#B1B9F8" Width="5" Height="{Binding RelativeSource={RelativeSource AncestorType=Canvas}, Path=ActualHeight}" />
</ControlTemplate>
</Thumb.Template>
</Thumb>
<!-- Top Thumb -->
<!--<Thumb x:Name="TopThumb"
@@ -159,12 +159,15 @@
Canvas.Top="0"/>-->
<!-- Bottom Thumb -->
<Thumb x:Name="BottomThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Bottom"
Cursor="SizeNS"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource HorizontalCenterThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"/>
<!--Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource HorizontalCenterThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"-->
<Thumb x:Name="BottomThumb" Height="5" Cursor="SizeNS" Canvas.Bottom="0" Canvas.Left="0" DragDelta="Thumb_DragDelta_Bottom">
<Thumb.Template>
<ControlTemplate>
<Border Background="#B1B9F8" Height="5" Width="{Binding RelativeSource={RelativeSource AncestorType=Canvas}, Path=ActualWidth}" />
</ControlTemplate>
</Thumb.Template>
</Thumb>
</Canvas>