WPF/Silverlight中图形的平移,缩放,旋转,倾斜变换演示

原文:
WPF/Silverlight中图形的平移,缩放,旋转,倾斜变换演示

为方便描述, 这里仅以正方形来做演示, 其他图形从略。

运行时效果图：



XAML代码：
// Transform.XAML

<Canvas Width="700" Height="700" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Canvas.Resources>
<DrawingBrush x:Key="MyGridBrushResource" Viewport="0,0,100,100" ViewportUnits="Absolute" TileMode="Tile">
<DrawingBrush.Drawing>
<DrawingGroup>
<DrawingGroup.Children>
<!--横线-->
<GeometryDrawing Geometry="M0,1 L10,1 M0,2 L10,2 M0,3 L10,3 M0,4 L10,4 M0,5 L10,5 M0,6 L10,6 M0,7 L10,7 M0,8 L10,8 M0,9 L10,9">
<GeometryDrawing.Pen>
<Pen Thickness="0.1" Brush="#CCCCFF" />
</GeometryDrawing.Pen>
</GeometryDrawing>
<!-- 横线100整数倍 -->
<GeometryDrawing Geometry="M0,0 L10,0">
<GeometryDrawing.Pen>
<Pen Thickness="0.1" Brush="DarkOrange" />
</GeometryDrawing.Pen>
</GeometryDrawing>
<!--竖线-->
<GeometryDrawing Geometry="M1,0 L1,10 M2,0 L2,10 M3,0 L3,10 M4,0 L4,10 M5,0 L5,10 M6,0 L6,10 M7,0 L7,10 M8,0 L8,10 M9,0 L9,10">
<GeometryDrawing.Pen>
<Pen Thickness="0.1" Brush="#CCCCFF" />
</GeometryDrawing.Pen>
</GeometryDrawing>
<!-- 竖线100整数倍 -->
<GeometryDrawing Geometry="M0,0 L0,10">
<GeometryDrawing.Pen>
<Pen Thickness="0.1" Brush="DarkOrange" />
</GeometryDrawing.Pen>
</GeometryDrawing>
</DrawingGroup.Children>
</DrawingGroup>
</DrawingBrush.Drawing>
</DrawingBrush>

<!-- 这里是外框线 -->
<Style x:Key="MyGridBorderStyle">
<Setter Property="Border.Background" Value="{StaticResource MyGridBrushResource}"/>
<Setter Property="Border.HorizontalAlignment" Value="Center"/>
<Setter Property="Border.VerticalAlignment" Value="Top"/>
<Setter Property="Border.BorderBrush" Value="Black"/>
<Setter Property="Border.BorderThickness" Value="1"/>
</Style>
</Canvas.Resources>

<!-- 引用方式 -->
<Border Style="{StaticResource MyGridBorderStyle}">
<Canvas Width="700" Height="600">
<!-- // 演示平移 -->
<Canvas Width="800" Height="100" Canvas.Top="0" Canvas.Left="0">
<!-- 不平移-->
<Canvas Width="120" Height="120" Canvas.Left="0" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Black" />
</Canvas>
<!--水平平移10 -->
<Canvas Width="120" Height="120" Canvas.Left="100" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Black" />
<Rectangle Width="80" Height="80" Stroke="Red">
<Rectangle.RenderTransform>
<TranslateTransform X="10" />
</Rectangle.RenderTransform>
</Rectangle>
</Canvas>

<!--垂直平移10 -->
<Canvas Width="120" Height="120" Canvas.Left="200" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Black" />
<Rectangle Width="80" Height="80" Stroke="Red">
<Rectangle.RenderTransform>
<TranslateTransform Y="10" />
</Rectangle.RenderTransform>
</Rectangle>
</Canvas>

<!--水平平移10，垂直平移10 -->
<Canvas Width="120" Height="120" Canvas.Left="300" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Black" />
<Rectangle Width="80" Height="80" Stroke="Red">
<Rectangle.RenderTransform>
<TranslateTransform X="10" Y="10" />
</Rectangle.RenderTransform>
</Rectangle></Canvas>
</Canvas>

<!-- // 演示缩放 -->
<Canvas Width="800" Height="100" Canvas.Top="100" Canvas.Left="0">
<!-- 未缩放时的原始大小-->
<Canvas Width="120" Height="120" Canvas.Left="0" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Black" />
</Canvas>
<!--水平缩放比例：2倍 -->
<Canvas Width="120" Height="120" Canvas.Left="100" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Red">
<Rectangle.RenderTransform>
<ScaleTransform ScaleX="2" />
</Rectangle.RenderTransform>
</Rectangle>
<Rectangle Width="80" Height="80" Stroke="Black" />
</Canvas>

<!--垂直缩放比例2.5倍 -->
<Canvas Width="120" Height="120" Canvas.Left="300" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Red">
<Rectangle.RenderTransform>
<ScaleTransform ScaleY="2.5" />
</Rectangle.RenderTransform>
</Rectangle>
<Rectangle Width="80" Height="80" Stroke="Black" />
</Canvas>

<!--水平、垂直同时缩放2.5倍 -->
<Canvas Width="120" Height="120" Canvas.Left="400" Canvas.Top="0">
<Rectangle Width="80" Height="80" Stroke="Red">
<Rectangle.RenderTransform>
<ScaleTransform ScaleX="2.5" ScaleY="2.5" />
</Rectangle.RenderTransform>
</Rectangle>
<Rectangle Width="80" Height="80" Stroke="Black" />
</Canvas>
</Canvas>

<!-- // 演示旋转 -->
<Canvas Width="800" Height="100" Canvas.Top="300" Canvas.Left="0">
<!-- 不旋转-->
<Canvas Width="120" Height="120" Canvas.Left="0" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black" />
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--旋转15度（默认以左上角为旋转中心 -->
<Canvas Width="120" Height="120" Canvas.Left="100" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<RotateTransform Angle="15" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="-2" Canvas.Left="-2" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--旋转15度，以右上角为旋转中心 -->
<Canvas Width="120" Height="120" Canvas.Left="200" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<RotateTransform Angle="15" CenterX="80" CenterY="0" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="-2" Canvas.Left="78" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--旋转15度，以左下角为旋转中心 -->
<Canvas Width="120" Height="120" Canvas.Left="300" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<RotateTransform Angle="15" CenterX="0" CenterY="80" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="78" Canvas.Left="-2" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--旋转15度，以右下角为旋转中心 -->
<Canvas Width="120" Height="120" Canvas.Left="400" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<RotateTransform Angle="15" CenterX="80" CenterY="80" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="78" Canvas.Left="78" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--旋转15度，以正方形的中心点为旋转中心 -->
<Canvas Width="120" Height="120" Canvas.Left="500" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<RotateTransform Angle="15" CenterX="40" CenterY="40" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="38" Canvas.Left="38" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
</Canvas>

<!-- // 演示倾斜 -->
<Canvas Width="800" Height="100" Canvas.Top="400" Canvas.Left="0">
<!-- 原始图形-->
<Canvas Width="120" Height="120" Canvas.Left="0" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black" />
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--沿X轴方向倾斜10度（默认以左上角为原点) -->
<Canvas Width="120" Height="120" Canvas.Left="100" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<SkewTransform AngleX="10" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 倾斜中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="-2" Canvas.Left="-2" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--沿Y轴方向倾斜10度（默认以左上角为原点) -->
<Canvas Width="120" Height="120" Canvas.Left="200" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<SkewTransform AngleY="10" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="-2" Canvas.Left="-2" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--X轴、Y轴同时倾斜10度（默认以左上角为原点) -->
<Canvas Width="120" Height="120" Canvas.Left="300" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<SkewTransform AngleX="10" AngleY="10" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="-2" Canvas.Left="-2" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--设定倾斜中心为矩形的正中心位置，沿X轴倾斜10度 -->
<Canvas Width="120" Height="120" Canvas.Left="400" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<SkewTransform AngleX="10" CenterX="40" CenterY="40" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="38" Canvas.Left="38" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--仍将正方形的中心点作为倾斜中心点，X轴倾斜负10度 -->
<Canvas Width="120" Height="120" Canvas.Left="500" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<SkewTransform AngleX="-10" CenterX="40" CenterY="40" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="38" Canvas.Left="38" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
<!--X轴、Y轴同时倾斜负10度（默认以左上角为原点) -->
<Canvas Width="120" Height="120" Canvas.Left="600" Canvas.Top="20">
<Rectangle Width="80" Height="80" Stroke="Black">
<Rectangle.RenderTransform>
<SkewTransform AngleX="-10" AngleY="-10" />
</Rectangle.RenderTransform>
</Rectangle>
<!-- 旋转中心点 -->
<Ellipse Width="4" Height="4" Fill="Red" Canvas.Top="-2" Canvas.Left="-2" />
<!-- 矩形中心点 -->
<Ellipse Width="4" Height="4" Stroke="Black" Canvas.Top="38" Canvas.Left="38" />
</Canvas>
</Canvas>

</Canvas>
</Border>

</Canvas>