本文整理汇总了C#中System.Windows.Media.DrawingGroup.ClipGeometry属性的典型用法代码示例。如果您正苦于以下问题：C# DrawingGroup.ClipGeometry属性的具体用法？C# DrawingGroup.ClipGeometry怎么用？C# DrawingGroup.ClipGeometry使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。
在下文中一共展示了DrawingGroup.ClipGeometry属性的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ClipExample
//引入命名空间
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SDKSample
{
/// <summary>
/// Shows how to define a clip region for a DrawingGroup.
/// </summary>
public class ClipExample : Page
{
public ClipExample()
{
//
// Create several GeometryDrawing objects.
//
// Create a rectangle.
GeometryDrawing drawing1 = new GeometryDrawing(
Brushes.Pink,
null,
new RectangleGeometry(new Rect(0,0,50,85))
);
//
// Create a polygon.
//
PathFigure pLineFigure = new PathFigure();
pLineFigure.StartPoint = new Point(25, 25);
PolyLineSegment pLineSegment = new PolyLineSegment();
pLineSegment.Points.Add(new Point(0, 50));
pLineSegment.Points.Add(new Point(25, 75));
pLineSegment.Points.Add(new Point(50, 50));
pLineSegment.Points.Add(new Point(25, 25));
pLineSegment.Points.Add(new Point(25, 0));
pLineFigure.Segments.Add(pLineSegment);
PathGeometry pGeometry = new PathGeometry();
pGeometry.Figures.Add(pLineFigure);
GeometryDrawing drawing2 = new GeometryDrawing(
Brushes.Lime,
new Pen(Brushes.Black, 10),
pGeometry
);
//
// Create a circle.
//
GeometryDrawing drawing3 = new GeometryDrawing(
Brushes.Lime,
new Pen(Brushes.Black, 2),
new EllipseGeometry(new Point(10, 10), 5, 5)
);
// Create the DrawingGroup and add the
// geometry drawings.
DrawingGroup aDrawingGroup = new DrawingGroup();
aDrawingGroup.Children.Add(drawing1);
aDrawingGroup.Children.Add(drawing2);
aDrawingGroup.Children.Add(drawing3);
//
// Create an EllipseGeometry and use it to
// clip the DrawingGroup.
//
EllipseGeometry clipGeometry =
new EllipseGeometry(new Point(25,50), 25, 50);
aDrawingGroup.ClipGeometry = clipGeometry;
// Use an Image control and a DrawingImage to
// display the drawing.
DrawingImage aDrawingImage = new DrawingImage(aDrawingGroup);
// Freeze the DrawingImage for performance benefits.
aDrawingImage.Freeze();
Image anImage = new Image();
anImage.Source = aDrawingImage;
anImage.Stretch = Stretch.None;
anImage.HorizontalAlignment = HorizontalAlignment.Left;
// Create a border around the images and add it to the
// page.
Border imageBorder = new Border();
imageBorder.BorderBrush = Brushes.Gray;
imageBorder.BorderThickness = new Thickness(1);
imageBorder.VerticalAlignment = VerticalAlignment.Top;
imageBorder.HorizontalAlignment = HorizontalAlignment.Left;
imageBorder.Margin = new Thickness(20);
imageBorder.Child = anImage;
this.Background = Brushes.White;
this.Margin = new Thickness(20);
this.Content = imageBorder;
}
}
}