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稳扎稳打Silverlight(8) - 2.0图形之基类System.Windows.Shapes.Shape


作者:webabcd


介绍
Silverlight 2.0 图形:基类System.Windows.Shapes.Shape(Ellipse, Line, Path, Polygon, Polyline, Rectangle都继承自抽象类System.Windows.Shapes.Shape)。
    Fill - 填充(System.Windows.Media.Brush类型)
    Stroke - 笔触(System.Windows.Media.Brush类型)
    StrokeThickness - 笔触尺寸
    Stretch - 拉伸值 [System.Windows.Media.Stretch 枚举]
    StrokeDashArray - 虚线和间隙的值的集合 [System.Windows.Media.Stretch 枚举]
    StrokeDashCap - 虚线两端(线帽)的类型 [System.Windows.Media.PenLineCap 枚举]
    StrokeStartLineCap - 虚线起始端(线帽)的类型 [System.Windows.Media.PenLineCap 枚举]
    StrokeEndLineCap - 虚线终结端(线帽)的类型 [System.Windows.Media.PenLineCap 枚举]
    StrokeDashOffset - 虚线的起始位置。从虚线的起始端的 StrokeDashOffset 距离处开始描绘虚线
    StrokeLineJoin - 图形连接点处的连接类型 [System.Windows.Media.PenLineJoin 枚举]
    StrokeMiterLimit - 斜接长度 与 StrokeThickness/2 的比值。默认值 10,最小值 1


在线DEMO
http://www.cnblogs.com/webabcd/archive/2008/10/09/1307486.html


示例
Shape.xaml
<UserControl x:Class="Silverlight20.Shape.Shape"
    xmlns
="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x
="http://schemas.microsoft.com/winfx/2006/xaml">
    
<StackPanel HorizontalAlignment="Left">

        
<Grid Margin="10" HorizontalAlignment="Left">
            
            
<!--
            Fill - 填充(System.Windows.Media.Brush类型)
            Stroke - 笔划(边框)(System.Windows.Media.Brush类型)
            StrokeThickness - 笔划(边框)尺寸
            
-->
            
<Rectangle Width="200" Height="50" Fill="Red" Stroke="Yellow" StrokeThickness="3" />
            
        
</Grid>
        
        
<Grid Width="200" Height="200" Margin="10" HorizontalAlignment="Left" ShowGridLines="True">
            
<Grid.RowDefinitions>
                
<RowDefinition Height="100" />
                
<RowDefinition Height="100" />
            
</Grid.RowDefinitions>
            
<Grid.ColumnDefinitions>
                
<ColumnDefinition Width="100" />
                
<ColumnDefinition Width="100" />
            
</Grid.ColumnDefinitions>

            
<!--Stretch属性 - 拉伸值 [System.Windows.Media.Stretch 枚举]-->
            
            
<!--
            Stretch.None - 不做处理
                不做任何拉伸处理,填充内容保持原始大小
            
-->
            
<Rectangle Grid.Row="0" Grid.Column="0" 
                     Width
="80" Height="40" Fill="Red" Stroke="Yellow" StrokeThickness="6"
                     Stretch
="None" />
            
            
<!--
            Stretch.Fill - 充满
                调整填充内容,以充满整个容器,填充内容比例变为容器比例。默认值            
            
-->
            
<Rectangle Grid.Row="0" Grid.Column="1" 
                     Width
="180" Height="40" Fill="Red" Stroke="Yellow" StrokeThickness="6" 
                     Stretch
="Fill" />
            
            
<!--
            Stretch.Uniform - 等比适应
                调整填充内容,以适合容器尺寸,填充内容会做等比例调整
                如果填充内容与容器比例不一样,那么填充内容调整的结果为:
                使得填充内容的宽与容器的宽相等,或者 填充内容的高与容器的高相等。填充内容会被完整显示
            
-->
            
<Rectangle Grid.Row="1" Grid.Column="0" 
                     Width
="80" Height="40" Fill="Red" Stroke="Yellow" StrokeThickness="6" 
                     Stretch
="Uniform" />
            
            
<!--
            Stretch.UniformToFill - 等比充满
                调整填充内容,以适合容器尺寸,填充内容会做等比例调整
                如果填充内容与容器比例不一样,那么填充内容调整的结果为:
                使得填充内容的宽与容器的宽相等,并且 填充内容的高与容器的高相等。填充内容会被做相应的剪裁
            
-->
            
<Rectangle Grid.Row="1" Grid.Column="1" 
                     Width
="80" Height="40" Fill="Red" Stroke="Yellow" StrokeThickness="6" 
                     Stretch
="UniformToFill" />
            
        
</Grid>

        
<Grid Margin="10" HorizontalAlignment="Left">
            
<Grid.RowDefinitions>
                
<RowDefinition Height="20" />
                
<RowDefinition Height="20" />
                
<RowDefinition Height="20" />
                
<RowDefinition Height="20" />
                
<RowDefinition Height="20" />
                
<RowDefinition Height="20" />
                
<RowDefinition Height="20" />
            
</Grid.RowDefinitions>

            
<!--
            StrokeDashArray - 虚线和间隙的值的集合 [System.Windows.Media.Stretch 枚举]
                奇数项为虚线长度;偶数项为间隙长度;如果只有一个值,则虚线长度和间隙长度都为该值
            
-->
            
<Line Grid.Row="0" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2" />
                     
            
<!--
            StrokeDashCap - 虚线两端(线帽)的类型 [System.Windows.Media.PenLineCap 枚举]
                PenLineCap.Flat - 无。默认值
                PenLineCap.Round - 直径等于 StrokeThickness
                PenLineCap.Square - 高度等于 StrokeThickness 并且 宽度等于 StrokeThickness/2
                PenLineCap.Triangle - 底边长等于 StrokeThickness 的等腰直角三角形
            
-->
            
<Line Grid.Row="1" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Flat" />
        
            
<Line Grid.Row="2" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Round" />
            
<Line Grid.Row="2" X1="0" Y1="0" X2="400" Y2="0" Stroke="Black" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Flat" />

            
<Line Grid.Row="3" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Square" />
            
<Line Grid.Row="3" X1="0" Y1="0" X2="400" Y2="0" Stroke="Black" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Flat" />

            
<Line Grid.Row="4" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Triangle" />
            
<Line Grid.Row="4" X1="0" Y1="0" X2="400" Y2="0" Stroke="Black" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Flat" />
            
            
<!--
            StrokeStartLineCap - 虚线起始端(线帽)的类型 [System.Windows.Media.PenLineCap 枚举]
            StrokeEndLineCap - 虚线终结端(线帽)的类型 [System.Windows.Media.PenLineCap 枚举]
            
-->
            
<Line Grid.Row="5" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeStartLineCap="Square" StrokeEndLineCap="Triangle" />
            
<Line Grid.Row="5" X1="0" Y1="0" X2="400" Y2="0" Stroke="Black" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashCap="Flat" />
            
            
<!--
            StrokeDashOffset - 虚线的起始位置。从虚线的起始端的 StrokeDashOffset 距离处开始描绘虚线
            
-->
            
<Line Grid.Row="6" X1="0" Y1="0" X2="400" Y2="0" Stroke="Red" StrokeThickness="10" 
                  StrokeDashArray
="2,4,6" StrokeDashOffset="1" />

        
</Grid>

        
<Grid Margin="10" HorizontalAlignment="Left" ShowGridLines="True">
            
<Grid.ColumnDefinitions>
                
<ColumnDefinition Width="120" />
                
<ColumnDefinition Width="120" />
                
<ColumnDefinition Width="120" />
            
</Grid.ColumnDefinitions>

            
<!--StrokeLineJoin属性 - 图形连接点处的连接类型 [System.Windows.Media.PenLineJoin 枚举]-->

            
<!--
            StrokeLineJoin.Bevel - 线形连接
            
-->
            
<Polyline Grid.Column="0" 
                      Points
="10,100 50,10 100,100" Stroke="Red" StrokeThickness="20" HorizontalAlignment="Center"
                      StrokeLineJoin
="Bevel" />

            
<!--
            StrokeLineJoin.Miter - 角形连接。默认值
            
-->
            
<Polyline Grid.Column="1" 
                      Points
="10,100 50,10 100,100" Stroke="Red" StrokeThickness="20" HorizontalAlignment="Center" 
                      StrokeLineJoin
="Miter" />

            
<!--
            StrokeLineJoin.Round - 弧形连接
            
-->
            
<Polyline Grid.Column="2" 
                      Points
="10,100 50,10 100,100" Stroke="Red" StrokeThickness="20"  HorizontalAlignment="Center"
                      StrokeLineJoin
="Round" />
            
        
</Grid>

        
<Grid Margin="10" HorizontalAlignment="Left"  ShowGridLines="True">
            
<Grid.ColumnDefinitions>
                
<ColumnDefinition Width="120" />
                
<ColumnDefinition Width="120" />
                
<ColumnDefinition Width="120" />
            
</Grid.ColumnDefinitions>
            
            
<!--StrokeMiterLimit属性 - 斜接长度(蓝色线部分)与 StrokeThickness/2 的比值。默认值 10,最小值 1-->

            
<Polyline Grid.Column="0" 
                      Points
="0,100 50,10 100,100" Stroke="Red" StrokeThickness="20"
                      StrokeMiterLimit
="1" />
            
<Line Grid.Column="0" X1="0" Y1="100" X2="50" Y2="10" Stroke="Yellow" />
            
<Line Grid.Column="0" X1="50" Y1="10" X2="100" Y2="100" Stroke="Yellow" />
            
<Line Grid.Column="0" X1="50" Y1="10" X2="50" Y2="0" Stroke="Blue" />

            
<Polyline Grid.Column="1" 
                      Points
="0,100 50,10 100,100" Stroke="Red" StrokeThickness="20"
                      StrokeMiterLimit
="2.0" />
            
<Line Grid.Column="1" X1="0" Y1="100" X2="50" Y2="10" Stroke="Yellow" />
            
<Line Grid.Column="1" X1="50" Y1="10" X2="100" Y2="100" Stroke="Yellow" />
            
<Line Grid.Column="1" X1="50" Y1="10" X2="50" Y2="-10" Stroke="Blue" />

            
<Polyline Grid.Column="2" 
                      Points
="0,100 50,10 100,100" Stroke="Red" StrokeThickness="20" 
                      
/>
            
<Line Grid.Column="2" X1="0" Y1="100" X2="50" Y2="10" Stroke="Yellow" />
            
<Line Grid.Column="2" X1="50" Y1="10" X2="100" Y2="100" Stroke="Yellow" />
            
<Line Grid.Column="2" X1="50" Y1="10" X2="50" Y2="-10" Stroke="Blue" />
            
        
</Grid>

    
</StackPanel>
</UserControl>


OK
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