WPF之绘图
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<Grid Margin="15"> <Grid.RowDefinitions> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition></ColumnDefinition> <ColumnDefinition Width="Auto"></ColumnDefinition> </Grid.ColumnDefinitions> <Polyline Stroke="Blue" StrokeThickness="10" StrokeDashArray="1 2" Points="10,30 60,0 90,40 120,10 350,10" SnapsToDevicePixels="True"> </Polyline> <TextBlock Grid.Column="1" VerticalAlignment="Center">Dash Pattern "1 2"</TextBlock> <Polyline Stroke="Blue" StrokeThickness="10" Grid.Row="1" StrokeDashArray="2 1" SnapsToDevicePixels="True" Points="10,30 60,0 90,40 120,10 350,10" > </Polyline> <TextBlock Grid.Row="1" Grid.Column="1" VerticalAlignment="Center">Dash Pattern "2 1"</TextBlock> <Polyline Stroke="Blue" StrokeThickness="10" Grid.Row="2" StrokeDashArray="5 0.2 3 0.2" SnapsToDevicePixels="True" Points="10,30 60,0 90,40 120,10 350,10" > </Polyline> <TextBlock Grid.Row="2" Grid.Column="1" VerticalAlignment="Center">Dash Pattern "5 0.2 3 0.2"</TextBlock> <Polyline Stroke="Blue" StrokeThickness="10" Grid.Row="3" SnapsToDevicePixels="True" StrokeDashArray="3 0.5 2" Points="10,30 60,0 90,40 120,10 350,10" > </Polyline> <TextBlock Grid.Row="3" Grid.Column="1" VerticalAlignment="Center">Uneven Dash Pattern "2 0.5 2"</TextBlock> <Polyline Stroke="Blue" StrokeThickness="10" Grid.Row="4" SnapsToDevicePixels="True" StrokeDashArray="1 2" StrokeDashCap="Round" Points="10,30 60,0 90,40 120,10 350,10" > </Polyline> <TextBlock Grid.Row="4" Grid.Column="1" VerticalAlignment="Center">Dash Pattern with Rounded Caps</TextBlock> </Grid>填充模式：
<Grid ShowGridLines="True" Margin="5"> <Grid.ColumnDefinitions> <ColumnDefinition></ColumnDefinition> <ColumnDefinition></ColumnDefinition> <ColumnDefinition></ColumnDefinition> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition></RowDefinition> <RowDefinition Height="Auto"></RowDefinition> </Grid.RowDefinitions> <Ellipse Fill="Yellow" Stroke="Blue"></Ellipse> <Ellipse Fill="Yellow" Stroke="Blue" Grid.Column="1" Stretch="Uniform"></Ellipse> <Ellipse Fill="Yellow" Stroke="Blue" Grid.Column="2" Stretch="UniformToFill "></Ellipse> <TextBlock Grid.Row="1" TextAlignment="Center">Fill</TextBlock> <TextBlock Grid.Row="1" Grid.Column="1" TextAlignment="Center">Uniform</TextBlock> <TextBlock Grid.Row="1" Grid.Column="2" TextAlignment="Center">UniformToFill</TextBlock> </Grid>渐变色：
<Rectangle Width="150" Height="100" Margin="5"> <Rectangle.Fill> <LinearGradientBrush > <GradientStop Color="Blue" Offset="0"/> <GradientStop Color="White" Offset="1" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Column="1" VerticalAlignment="Center" Margin="5">Diagonal Linear Gradient</TextBlock> <Rectangle Width="150" Height="100" Margin="5" Grid.Row="1"> <Rectangle.Fill> <LinearGradientBrush> <GradientStop Color="Blue" Offset="0"/> <GradientStop Color="White" Offset="0.5" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Row="1" Grid.Column="1" VerticalAlignment="Center" Margin="5">With 0.5 Offset for White</TextBlock> <Rectangle Width="150" Height="100" Grid.Row="2" Margin="5"> <Rectangle.Fill> <LinearGradientBrush StartPoint="0,0" EndPoint="0,1" > <GradientStop Color="Blue" Offset="0"/> <GradientStop Color="White" Offset="1" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Row="2" Grid.Column="1" VerticalAlignment="Center" Margin="5">Horizontal Linear Gradient</TextBlock> <Rectangle Width="150" Height="100" Grid.Row="3" Margin="5"> <Rectangle.Fill> <LinearGradientBrush StartPoint="0,0" EndPoint="0,0.5" SpreadMethod="Reflect"> <GradientStop Color="Blue" Offset="0"/> <GradientStop Color="White" Offset="1" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Row="3" Grid.Column="1" VerticalAlignment="Center" Margin="5">Reflected Gradient</TextBlock> <Rectangle Width="150" Height="100" Grid.Row="4" Margin="5"> <Rectangle.Fill> <LinearGradientBrush StartPoint="0,0" EndPoint="1,1"> <GradientStop Color="Yellow" Offset="0.0" /> <GradientStop Color="Red" Offset="0.25" /> <GradientStop Color="Blue" Offset="0.75" /> <GradientStop Color="LimeGreen" Offset="1.0" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Row="4" Grid.Column="1" VerticalAlignment="Center" Margin="5">Multicolored Gradient</TextBlock> </Grid>字体渐变画刷：
<Grid> <TextBlock Margin="5" FontWeight="Bold" FontSize="65" TextWrapping="Wrap" TextAlignment="Center"> <TextBlock.Text>This text uses a gradient.</TextBlock.Text> <TextBlock.Foreground> <LinearGradientBrush StartPoint="0,0" EndPoint="1,1"> <GradientStop Color="Yellow" Offset="0.0" /> <GradientStop Color="Red" Offset="0.25" /> <GradientStop Color="Blue" Offset="0.75" /> <GradientStop Color="LimeGreen" Offset="1.0" /> </LinearGradientBrush> </TextBlock.Foreground> </TextBlock> </Grid>图片画刷：
<Canvas> <Rectangle Canvas.Left="10" Canvas.Top="10" Width="271" Height="100" Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="logo.gif" Stretch="None"></ImageBrush> </Rectangle.Fill> </Rectangle> <Rectangle Canvas.Left="10" Canvas.Top="120" Width="200" Height="200" Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="logo.gif" Stretch="Uniform" Viewbox="0.4 0.5 0.2 0.2"></ImageBrush> </Rectangle.Fill> </Rectangle> </Canvas>
内填充外填充：
<Viewbox HorizontalAlignment="Left"> <Canvas Width="200" Height="400" > <Polygon Stroke="Blue" StrokeThickness="1" Fill="Yellow" Canvas.Left="10" Points="15,200 68,70 110,200 0,125 135,125" > </Polygon> <Polygon Stroke="Blue" StrokeThickness="1" Fill="Yellow" Canvas.Left="10" Canvas.Top="175" FillRule="Nonzero" Points="15,200 68,70 110,200 0,125 135,125" > </Polygon> </Canvas> </Viewbox>线头：
<Polyline Stroke="Blue" StrokeThickness="15" StrokeEndLineCap="Flat" SnapsToDevicePixels="True" Points="10,10 30,0 50,20 90,10 200,10" > </Polyline> <TextBlock Grid.Column="1">Flat Line Cap</TextBlock> <Polyline Stroke="Blue" StrokeThickness="15" Grid.Row="1" StrokeEndLineCap="Square" SnapsToDevicePixels="True" Points="10,10 30,0 50,20 90,10 200,10" > </Polyline> <TextBlock Grid.Row="1" Grid.Column="1">Square Line Cap</TextBlock> <Polyline Stroke="Blue" StrokeThickness="15" Grid.Row="2" StrokeEndLineCap="Round" SnapsToDevicePixels="True" Points="10,10 30,0 50,20 90,10 200,10" > </Polyline> <TextBlock Grid.Row="2" Grid.Column="1">Round Line Cap</TextBlock> <Polyline Stroke="Blue" StrokeThickness="15" Grid.Row="3" StrokeEndLineCap="Triangle" SnapsToDevicePixels="True" Points="10,10 30,0 50,20 90,10 200,10" > </Polyline> <TextBlock Grid.Row="3" Grid.Column="1">Triangle Line Cap</TextBlock>线角样式：
<Polyline Stroke="Blue" StrokeThickness="14" StrokeLineJoin="Bevel" SnapsToDevicePixels="True" Points="10,60 30,10 50,70 90,40" > </Polyline> <TextBlock Grid.Column="1" VerticalAlignment="Center">Bevel Line Join</TextBlock> <Polyline Stroke="Blue" StrokeThickness="14" Grid.Row="1" StrokeLineJoin="Round" SnapsToDevicePixels="True" Points="10,60 30,10 50,70 90,40" > </Polyline> <TextBlock Grid.Row="1" Grid.Column="1" VerticalAlignment="Center">Round Line Join</TextBlock> <Polyline Grid.Row="2" Stroke="Blue" StrokeThickness="14" StrokeLineJoin="Miter" StrokeMiterLimit="1" SnapsToDevicePixels="True" Points="10,60 30,10 50,70 90,40" > </Polyline> <TextBlock Grid.Row="2" Grid.Column="1" VerticalAlignment="Center">Miter Line Join</TextBlock> <Polyline Grid.Row="3" Stroke="Blue" StrokeThickness="14" StrokeLineJoin="Miter" StrokeMiterLimit="3" SnapsToDevicePixels="True" Points="10,60 30,10 50,70 90,40" > </Polyline> <TextBlock Grid.Row="3" Grid.Column="1" VerticalAlignment="Center">Miter Line Join With Limit of 3</TextBlock>遮罩：
<Window.Background> <ImageBrush ImageSource="grandpiano.jpg"></ImageBrush> </Window.Background> <Grid Margin="10,50"> <Button Background="Purple" FontSize="14" FontWeight="Bold"> <Button.OpacityMask> <LinearGradientBrush StartPoint="0,0" EndPoint="1,0"> <GradientStop Offset="0" Color="Black"></GradientStop> <GradientStop Offset="1" Color="Transparent"></GradientStop> </LinearGradientBrush> </Button.OpacityMask> <Button.Content>A Partially Transparent Button</Button.Content> </Button> </Grid>像素对齐抗锯齿：
<TextBlock VerticalAlignment="Center">Not Snapped:</TextBlock> <Rectangle SnapsToDevicePixels="False" Grid.Column="1" Margin="10" Height="10" Fill="Red"></Rectangle> <TextBlock VerticalAlignment="Center" Grid.Row="1">Snapped:</TextBlock> <Rectangle SnapsToDevicePixels="True" Grid.Column="1" Grid.Row="1" Margin="10" Height="10" Fill="Red"></Rectangle>多边形与多边线：
<Canvas> <Polyline Stroke="Blue" StrokeThickness="5" Points="10,150 30,140 50,160 70,130 90,170 110,120 130,180 150,110 170,190 190,100 210,240" > </Polyline> <Polygon Stroke="Blue" StrokeThickness="5" Fill="Yellow" Canvas.Top="200" Points="10,150 30,140 50,160 70,130 90,170 110,120 130,180 150,110 170,190 190,100 210,240" > </Polygon> </Canvas>放射线画刷：
<Ellipse Margin="5" Stroke="Black" StrokeThickness="1"> <Ellipse.Fill> <RadialGradientBrush RadiusX="1" RadiusY="1" > <GradientStop Color="White" Offset="0" /> <GradientStop Color="Blue" Offset="1" /> </RadialGradientBrush> </Ellipse.Fill> </Ellipse> <TextBlock Grid.Column="1" VerticalAlignment="Center" Margin="5">A Radial Gradient</TextBlock> <Ellipse Margin="5" Grid.Row="1" Stroke="Black" StrokeThickness="1"> <Ellipse.Fill> <RadialGradientBrush RadiusX="1" RadiusY="1" GradientOrigin="0.7,0.3" > <GradientStop Color="White" Offset="0" /> <GradientStop Color="Blue" Offset="1" /> </RadialGradientBrush> </Ellipse.Fill> </Ellipse> <TextBlock Grid.Row="1" Grid.Column="1" VerticalAlignment="Center" Margin="5" TextWrapping="Wrap">A Radial Gradient with an Offset Center</TextBlock>反射画刷：
<TextBox Name="txt" FontSize="30">Here is some reflected text</TextBox> <Rectangle Grid.Row="1" RenderTransformOrigin="1,0.5"> <Rectangle.Fill> <VisualBrush Visual="{Binding ElementName=txt}"></VisualBrush> </Rectangle.Fill> <Rectangle.OpacityMask> <LinearGradientBrush StartPoint="0,0" EndPoint="0,1"> <GradientStop Offset="0.3" Color="Transparent"></GradientStop> <GradientStop Offset="1" Color="#44000000"></GradientStop> </LinearGradientBrush> </Rectangle.OpacityMask> <Rectangle.RenderTransform> <ScaleTransform ScaleY="-1"></ScaleTransform> </Rectangle.RenderTransform> </Rectangle>元素旋转：<StackPanel> <StackPanel Margin="25" Background="LightYellow"> <Button Padding="5" HorizontalAlignment="Left"> <Button.RenderTransform> <RotateTransform Angle="35" CenterX="45" CenterY="5" /> </Button.RenderTransform> <Button.Content>I'm rotated 35 degrees</Button.Content> </Button> <Button Padding="5" HorizontalAlignment="Left">I'm not</Button> </StackPanel> <StackPanel Margin="25" Background="LightYellow"> <Button Padding="5" HorizontalAlignment="Left"> <Button.LayoutTransform> <RotateTransform Angle="35" CenterX="45" CenterY="5" /> </Button.LayoutTransform> <Button.Content>I'm rotated 35 degrees</Button.Content> </Button> <Button Padding="5" HorizontalAlignment="Left">I'm not</Button> </StackPanel> </StackPanel>图画旋转：
<Canvas> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="100"> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="100"> <Rectangle.RenderTransform> <RotateTransform Angle="25" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="100"> <Rectangle.RenderTransform> <RotateTransform Angle="50" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="100"> <Rectangle.RenderTransform> <RotateTransform Angle="75" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="100"> <Rectangle.RenderTransform> <RotateTransform Angle="100" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="300"> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="300"> <Rectangle.RenderTransform> <RotateTransform Angle="25" CenterX="45" CenterY="5" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="300"> <Rectangle.RenderTransform> <RotateTransform Angle="50" CenterX="45" CenterY="5" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="300"> <Rectangle.RenderTransform> <RotateTransform Angle="75" CenterX="45" CenterY="5" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Width="80" Height="10" Stroke="Blue" Fill="Yellow" Canvas.Left="100" Canvas.Top="300"> <Rectangle.RenderTransform> <RotateTransform Angle="100" CenterX="45" CenterY="5" /> </Rectangle.RenderTransform> </Rectangle> </Canvas>圆和矩形：
<TextBlock Margin="5,5,0,0">Corner radius of 5.</TextBlock> <Rectangle Fill="Yellow" Stroke="Blue" RadiusX="5" RadiusY="5" Width="100" Height="60" Margin="5" HorizontalAlignment="Left"> </Rectangle> <TextBlock Margin="5,5,0,0">Corner radius of 10.</TextBlock> <Rectangle Fill="Yellow" Stroke="Blue" RadiusX="10" RadiusY="10" Width="100" Height="60" Margin="5" HorizontalAlignment="Left"></Rectangle> <TextBlock Margin="5,5,0,0">Corner radius of 10 (X) and 25 (Y).</TextBlock> <Rectangle Fill="Yellow" Stroke="Blue" RadiusX="10" RadiusY="25" Width="100" Height="60" Margin="5" HorizontalAlignment="Left"></Rectangle> <TextBlock Margin="5,5,0,0">Corner radius of 100 (X) and 60 (Y).</TextBlock> <Rectangle Fill="Yellow" Stroke="Blue" RadiusX="100" RadiusY="60" Width="100" Height="60" Margin="5" HorizontalAlignment="Left"></Rectangle>磁贴模式：
<Grid> <UniformGrid> <Rectangle Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="Tile" ViewportUnits="Absolute" Viewport="0 0 37 37"></ImageBrush> </Rectangle.Fill> </Rectangle> <Rectangle Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="FlipX" ViewportUnits="Absolute" Viewport="0 0 37 37"></ImageBrush> </Rectangle.Fill> </Rectangle> <Rectangle Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="FlipY" ViewportUnits="Absolute" Viewport="0 0 37 37"></ImageBrush> </Rectangle.Fill> </Rectangle> <Rectangle Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="FlipXY" ViewportUnits="Absolute" Viewport="0 0 37 37"></ImageBrush> </Rectangle.Fill> </Rectangle> </UniformGrid> <UniformGrid> <UniformGrid.Resources> <Style TargetType="{x:Type TextBlock}"> <Setter Property="HorizontalAlignment" Value="Center"></Setter> <Setter Property="VerticalAlignment" Value="Bottom"></Setter> <Setter Property="FontSize" Value="25"></Setter> <Setter Property="FontWeight" Value="Bold"></Setter> <Setter Property="Margin" Value="3"></Setter> </Style> </UniformGrid.Resources> <TextBlock>Tile</TextBlock> <TextBlock>FlipX</TextBlock> <TextBlock>FlipY</TextBlock> <TextBlock>FlipXY</TextBlock> </UniformGrid> </Grid>磁贴类型：<TextBlock Margin="3">Fixed Tiles</TextBlock> <Rectangle Grid.Column="1" Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="Tile" ViewportUnits="Absolute" Viewport="0 0 37 37"></ImageBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Row="1" Margin="3">Proportional Tiles</TextBlock> <Rectangle Grid.Row="1" Grid.Column="1" Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="Tile" Viewport="0 0 0.2 0.2"></ImageBrush> </Rectangle.Fill> </Rectangle> <TextBlock Grid.Row="2" Margin="3"> Proportional Tiles<LineBreak></LineBreak>(no stretch) </TextBlock> <Rectangle Grid.Row="2" Grid.Column="1" Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="tile.jpg" TileMode="Tile" Stretch="None" Viewport="0 0 0.2 0.2"></ImageBrush> </Rectangle.Fill> </Rectangle>颜色透明：
<StackPanel Margin="5"> <StackPanel.Background> <ImageBrush ImageSource="celestial.jpg" Opacity="0.7"/> </StackPanel.Background> <Button Foreground="White" FontSize="16" Margin="10" BorderBrush="White" Background="#60AA4030" Padding="20">A Semi-Transparent Button</Button> <Label Margin="10" FontSize="18" FontWeight="Bold" Foreground="White">Some Label Text</Label> <TextBox Margin="10" Background="#AAAAAAAA" Foreground="White" BorderBrush="White">A semi-transparent text box</TextBox> <Button Margin="10" Padding="25" BorderBrush="White" > <Button.Background> <ImageBrush ImageSource="happyface.jpg" Opacity="0.6" TileMode="Tile" Viewport="0,0,0.1,0.4"/> </Button.Background> <StackPanel> <TextBlock Foreground="#75FFFFFF" TextAlignment="Center" FontSize="30" FontWeight="Bold" TextWrapping="Wrap" >Semi-Transparent Layers</TextBlock> </StackPanel> </Button> </StackPanel>Viewbox：
<TextBlock>The first row of a grid.</TextBlock> <Viewbox Grid.Row="1" HorizontalAlignment="Left" MaxHeight="500"> <Canvas Width="200" Height="150"> <Ellipse Fill="Yellow" Stroke="Blue" Canvas.Left="10" Canvas.Top="50" Width="100" Height="50" HorizontalAlignment="Left"></Ellipse> <Rectangle Fill="Yellow" Stroke="Blue" Canvas.Left="30" Canvas.Top="40" Width="100" Height="50" HorizontalAlignment="Left"></Rectangle> </Canvas> </Viewbox>视觉画刷：
<StackPanel Margin="3"> <Button Name="cmd" Margin="3" Padding="5">Is this a real button?</Button> <Rectangle Margin="3" Height="{Binding ElementName=cmd,Path=ActualHeight}"> <Rectangle.Fill> <VisualBrush Visual="{Binding ElementName=cmd}"></VisualBrush> </Rectangle.Fill> </Rectangle> <Rectangle Margin="3" Height="50"> <Rectangle.Fill> <VisualBrush Visual="{Binding ElementName=cmd}"></VisualBrush> </Rectangle.Fill> </Rectangle> <Rectangle Margin="3" Height="150"> <Rectangle.Fill> <VisualBrush Visual="{Binding ElementName=cmd}"></VisualBrush> </Rectangle.Fill> </Rectangle> </StackPanel>- WPF之绘图
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