Stroke - 笔划
- Brush - 画笔
示例
1、演示“Stroke”相关知识点
Drawing/Stroke.xaml
<Page
x:Class="Windows10.Drawing.Stroke"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Windows10.Drawing"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"> <Grid Background="Transparent">
<StackPanel Margin="10 0 10 10"> <!--
Stroke - 笔划（注：Stroke 属性是 Brush 类型）
--> <!--
StrokeDashArray - 虚线实体和虚线间隙的值的集合
以本例为例：第1条实线长度2，第1条虚线长度4，第2条实线长度6，第2条虚线长度2，第3条实线长度4，第3条虚线长度6
长度为 StrokeDashArray 乘以 StrokeThickness/2
-->
<Line X1="0" Y1="0" X2="1000" Y2="0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2 4 6" /> <!--
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 X1="0" Y1="0" X2="1000" Y2="0" Margin="0 30 0 0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2" StrokeDashCap="Flat" />
<Line X1="0" Y1="0" X2="1000" Y2="0" Margin="0 30 0 0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2" StrokeDashCap="Round" />
<Line X1="0" Y1="0" X2="1000" Y2="0" Margin="0 30 0 0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2" StrokeDashCap="Square" />
<Line X1="0" Y1="0" X2="1000" Y2="0" Margin="0 30 0 0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2" StrokeDashCap="Triangle" /> <!--
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 X1="0" Y1="0" X2="1000" Y2="0" Margin="0 30 0 0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2" StrokeStartLineCap="Triangle" StrokeEndLineCap="Round" /> <!--
StrokeDashOffset - 虚线的起始点的偏移位置
以下举例：画一条以虚线间隙为起始的虚线
-->
<Line X1="0" Y1="0" X2="1000" Y2="0" Margin="0 30 0 0" Stroke="Orange" StrokeThickness="20" StrokeDashArray="2" StrokeDashOffset="10" /> <!--
StrokeLineJoin - 图形连接点处的连接类型（System.Windows.Media.PenLineJoin 枚举）
StrokeLineJoin.Bevel - 线形连接
StrokeLineJoin.Miter - 角形连接。默认值
StrokeLineJoin.Round - 弧形连接
-->
<StackPanel Margin="0 30 0 0" Orientation="Horizontal">
<Polyline Points="10,100 50,10 100,100" Stroke="Orange" StrokeThickness="20" HorizontalAlignment="Center" StrokeLineJoin="Bevel" />
<Polyline Points="10,100 50,10 100,100" Stroke="Orange" StrokeThickness="20" HorizontalAlignment="Center" StrokeLineJoin="Miter" />
<Polyline Points="10,100 50,10 100,100" Stroke="Orange" StrokeThickness="20" HorizontalAlignment="Center" StrokeLineJoin="Round" />
</StackPanel> <!--
StrokeMiterLimit - 斜接长度（蓝色线部分）与 StrokeThickness/2 的比值。默认值 10，最小值 1
-->
<Grid Margin="0 30 0 0" HorizontalAlignment="Left">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="120" />
<ColumnDefinition Width="120" />
<ColumnDefinition Width="120" />
</Grid.ColumnDefinitions> <Polyline Grid.Column="0" Points="0,100 50,10 100,100" Stroke="Orange" StrokeThickness="20" StrokeMiterLimit="1" />
<Line Grid.Column="0" X1="50" Y1="10" X2="50" Y2="0" Stroke="Blue" />
<Polyline Grid.Column="0" Points="0,100 50,10 100,100" Stroke="Red" /> <Polyline Grid.Column="1" Points="0,100 50,10 100,100" Stroke="Orange" StrokeThickness="20" StrokeMiterLimit="2.0" />
<Line Grid.Column="1" X1="50" Y1="10" X2="50" Y2="-10" Stroke="Blue" />
<Polyline Grid.Column="1" Points="0,100 50,10 100,100" Stroke="Red" />
</Grid> </StackPanel>
</Grid>
</Page>
2、演示“Brush”相关知识点
Drawing/Brush.xaml
<Page
x:Class="Windows10.Drawing.Brush"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Windows10.Drawing"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"> <Grid Background="Transparent">
<StackPanel Margin="10 0 10 10" HorizontalAlignment="Left"> <!--
Windows.UI.Xaml.Media.Brush - 画笔
--> <!--
SolidColorBrush - 单色画笔
Color - 颜色
格式如下：
预定义的Color的名称。如：Red, Green, Blue
#RGB。如：#F00
#ARGB（A为Alpha值）。如：#FF00, #F0F0, #F00F
#RGB。如：#FF0000, #00FF00, #0000FF
#ARGB（A为Alpha值）。如：#FFFF0000, #FF00FF00, #FF0000FF
-->
<Ellipse Margin="10" Width="200" Height="100" Stroke="Yellow" StrokeThickness="3" HorizontalAlignment="Left">
<Ellipse.Fill>
<SolidColorBrush Color="#88FF0000" />
</Ellipse.Fill>
</Ellipse> <!--
ImageBrush - 图像画笔
ImageSource - 图片地址
Stretch - 拉伸方式
AlignmentX - 水平方向的对齐方式。Center（默认值）, Left, Right
AlignmentY - 垂直方向的对齐方式。Center（默认值）, Top, Bottom
-->
<Rectangle Width="100" Height="100" Stroke="Red" StrokeThickness="1" HorizontalAlignment="Left" Margin="0 10 0 0">
<Rectangle.Fill>
<ImageBrush ImageSource="/Assets/Logo.png" AlignmentX="Right" AlignmentY="Bottom" Stretch="Fill" />
</Rectangle.Fill>
</Rectangle> <WebView x:Name="webView" Source="http://webabcd.cnblogs.com" Width="300" Height="100" LoadCompleted="webView_LoadCompleted" HorizontalAlignment="Left" Margin="0 10 0 0" />
<!--
WebView - 浏览器画笔
SourceName - WebView 指向的 http 地址 注：如果需要显示 WebView 的最新结果，需要调用 WebViewBrush.Redraw() 方法
-->
<Rectangle Width="300" Height="100" Stroke="Red" HorizontalAlignment="Left" Margin="0 10 0 0">
<Rectangle.Fill>
<WebViewBrush x:Name="webViewBrush" SourceName="webView"/>
</Rectangle.Fill>
</Rectangle> <!--
演示 LinearGradientBrush 如何使用（注：不支持 RadialGradientBrush）
-->
<StackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0 10 0 0">
<Grid>
<Rectangle Width="200" Height="100" HorizontalAlignment="Left">
<Rectangle.Fill>
<!--
LinearGradientBrush - 线性渐变画笔
StartPoint - 线性渐变的起点。默认渐变方向为对角线方向，默认值为左上角0,0
EndPoint - 线性渐变的终点。默认渐变方向为对角线方向，默认值为右下角1,1
GradientStop - 渐变中，过渡点的设置
Color - 过渡点的颜色
Offset - 过渡点的位置。相对于渐变线的比值。最小值0.0（默认值），最大值1.0
ColorInterpolationMode - 插入渐变颜色的方式（System.Windows.Media.ColorInterpolationMode 枚举）
ScRgbLinearInterpolation - scRGB
SRgbLinearInterpolation - sRGB。默认值
-->
<LinearGradientBrush StartPoint="0,0" EndPoint="1,1" ColorInterpolationMode="SRgbLinearInterpolation">
<GradientStop Color="Red" Offset="0.0" />
<GradientStop Color="Green" Offset="0.25" />
<GradientStop Color="Blue" Offset="0.75" />
<GradientStop Color="Yellow" Offset="1.0" />
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<Line X1="0" Y1="0" X2="200" Y2="100" Stroke="Black" HorizontalAlignment="Left" />
</Grid> <Grid Margin="10 0 0 0">
<Rectangle Width="200" Height="100" HorizontalAlignment="Left">
<Rectangle.Fill>
<!--
MappingMode - 指定线性渐变的起点（StartPoint）和终点（EndPoint）相对于输出区域是相对的还是绝对的（System.Windows.Media.BrushMappingMode 枚举）
MappingMode.RelativeToBoundingBox - 相对坐标。默认值
MappingMode.Absolute - 绝对坐标
-->
<LinearGradientBrush StartPoint="0,0" EndPoint="200,100" MappingMode="Absolute">
<GradientStop Color="Red" Offset="0.0" />
<GradientStop Color="Green" Offset="0.25" />
<GradientStop Color="Blue" Offset="0.75" />
<GradientStop Color="Yellow" Offset="1.0" />
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<Line X1="0" Y1="0" X2="200" Y2="100" Stroke="Black" HorizontalAlignment="Left" />
</Grid> <Grid Margin="10 0 0 0">
<Rectangle Width="200" Height="100" HorizontalAlignment="Left">
<Rectangle.Fill>
<!--
SpreadMethod - 线性渐变线（黑色线）之外， 输出区域之内的渐变方式（System.Windows.Media.GradientSpreadMethod枚举）
GradientSpreadMethod.Pad - 用线性渐变线末端的颜色值填充剩余空间。默认值
-->
<LinearGradientBrush StartPoint="0.4,0.5" EndPoint="0.6,0.5" SpreadMethod="Pad">
<GradientStop Color="Red" Offset="0.0" />
<GradientStop Color="Green" Offset="1.0" />
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<Line X1="80" Y1="50" X2="120" Y2="50" Stroke="Black" HorizontalAlignment="Left" />
</Grid> <Grid Margin="10 0 0 0">
<Rectangle Width="200" Height="100" HorizontalAlignment="Left">
<Rectangle.Fill>
<!--
SpreadMethod - 线性渐变线（黑色线）之外， 输出区域之内的渐变方式（System.Windows.Media.GradientSpreadMethod枚举）
GradientSpreadMethod.Reflect - 相邻填充区域，以 相反方向 重复渐变，直至填充满整个剩余空间
-->
<LinearGradientBrush StartPoint="0.4,0.5" EndPoint="0.6,0.5" SpreadMethod="Reflect">
<GradientStop Color="Red" Offset="0.0" />
<GradientStop Color="Green" Offset="1.0" />
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<Line X1="80" Y1="50" X2="120" Y2="50" Stroke="Black" HorizontalAlignment="Left" />
</Grid> <Grid Margin="10 0 0 0">
<Rectangle Width="200" Height="100" HorizontalAlignment="Left">
<Rectangle.Fill>
<!--
SpreadMethod - 线性渐变线（黑色线）之外， 输出区域之内的渐变方式（System.Windows.Media.GradientSpreadMethod枚举）
GradientSpreadMethod.Repeat - 相邻填充区域，以 相同方向 重复渐变，直至填充满整个剩余空间
-->
<LinearGradientBrush StartPoint="0.4,0.5" EndPoint="0.6,0.5" SpreadMethod="Repeat">
<GradientStop Color="Red" Offset="0.0" />
<GradientStop Color="Green" Offset="1.0" />
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<Line X1="80" Y1="50" X2="120" Y2="50" Stroke="Black" HorizontalAlignment="Left" />
</Grid>
</StackPanel> </StackPanel>
</Grid>
</Page>
Drawing/Brush.xaml.cs
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation; namespace Windows10.Drawing
{
public sealed partial class Brush : Page
{
public Brush()
{
this.InitializeComponent();
} private void webView_LoadCompleted(object sender, NavigationEventArgs e)
{
// WebView 加载完毕后重绘 WebViewBrush
webViewBrush.Redraw();
}
}
}