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WPF里的几何图形Path绘制

news 2025/9/4 8:36:35

Shape类
2、Ellipse
3、Rectangle
4、Line
5、Polyline
6、Polygon

7、Path

名称
LineGeometry	简单几何	作用类似于Shape中的Line
RectangleGeometry	简单几何	作用类似于Shape中的Rectangle
EllipseGeometry	简单几何	作用类似于Shape中的Ellipse
GeometryGroup	用于创建复合几何	为单个路径添加任意多个Geometry对象，使用EvenOdd或NonZero填充规则来确定要填充的区域。
CombinedGeometry	用于创建复合几何	将两个几何图形合并为一个形状。可使用CombineMode属性选择如何组合两个几何图形。
PathGeometry	路径几何	代表更复杂的弧线、曲线以及直线构成的图形，并且既可以是闭合的，也可以是不闭合的。
StreamGeometry	路径几何	相当于PathGeometry的只读轻量级。StreamGeometry图形可节省内存，因为它不在内存中同时保存路径的所有分段。并且这类图形一旦被创建就不能再修改

LineGeometry

<Line X1="10" Y1="10" X2="100" Y2="50" Stroke="Orange" StrokeThickness="4"  StrokeStartLineCap="Round" StrokeEndLineCap="Round"></Line>
<Path Stroke="Green" StrokeStartLineCap="Round" StrokeThickness="4" StrokeEndLineCap="Round"><Path.Data><LineGeometry StartPoint="10,10" EndPoint="100,50"></LineGeometry></Path.Data>
</Path>

EllipseGeometry

RectangGeometry

<Ellipse Height="40" Width="40" Stroke="Orange" StrokeThickness="4" Fill="Green" HorizontalAlignment="Left"></Ellipse>
<Path Stroke="Green" StrokeThickness="4" Fill="Red"><Path.Data><EllipseGeometry Center="20,50" RadiusX="20" RadiusY="20"></EllipseGeometry></Path.Data>
</Path>

 <Path Fill="Orange"><Path.Data><RectangleGeometry Rect="10 5 100 50"></RectangleGeometry></Path.Data></Path>

ArcGeometry

IsLargeArc，SweepDirection属性介绍

IsLargeArc 为true选择大的那个圆弧，否则选择小的

SweepDirection="Clockwise" 选择顺时针的路线,为CounterClockwise则是逆时针

<Path Stroke="LightGreen" Fill="Red" StrokeThickness="5"><Path.Data><PathGeometry><PathGeometry.Figures><PathFigure StartPoint="50,50"><PathFigure.Segments><ArcSegment Size="100,50" IsLargeArc="False" RotationAngle="0" SweepDirection="Clockwise" Point="50,10" /></PathFigure.Segments></PathFigure></PathGeometry.Figures></PathGeometry></Path.Data>
</Path><Path Stroke="LightGreen" Fill="Red" StrokeThickness="5"><Path.Data><PathGeometry><PathGeometry.Figures><PathFigure StartPoint="50,50"><PathFigure.Segments><ArcSegment Size="100,50" IsLargeArc="True" RotationAngle="0" SweepDirection="Clockwise" Point="50,10" /></PathFigure.Segments></PathFigure></PathGeometry.Figures></PathGeometry></Path.Data>
</Path>
<Path Stroke="LightGreen" Fill="Red" StrokeThickness="5"><Path.Data><PathGeometry><PathGeometry.Figures><PathFigure StartPoint="50,50"><PathFigure.Segments><ArcSegment Size="100,50" IsLargeArc="True" RotationAngle="0" SweepDirection="Counterclockwise" Point="50,10" /></PathFigure.Segments></PathFigure></PathGeometry.Figures></PathGeometry></Path.Data>
</Path>
<Path Stroke="LightGreen" Fill="Red" StrokeThickness="5"><Path.Data><PathGeometry><PathGeometry.Figures><PathFigure StartPoint="50,50"><PathFigure.Segments><ArcSegment Size="100,50" IsLargeArc="False" RotationAngle="0" SweepDirection="Counterclockwise" Point="50,10" /></PathFigure.Segments></PathFigure></PathGeometry.Figures></PathGeometry></Path.Data>
</Path>