public static GraphicsPath CreateRoundedRectanglePath(this Rectangle rect, int radius, UICornerRadiusSides radiusSides, int lineSize = 1)
{
GraphicsPath path;
if (radiusSides == UICornerRadiusSides.None || radius == 0)
{
path = rect.GraphicsPath();
}
else
{
//IsRadius为True时，显示左上圆角
bool RadiusLeftTop = radiusSides.GetValue(UICornerRadiusSides.LeftTop);
//IsRadius为True时，显示左下圆角
bool RadiusLeftBottom = radiusSides.GetValue(UICornerRadiusSides.LeftBottom);
//IsRadius为True时，显示右上圆角
bool RadiusRightTop = radiusSides.GetValue(UICornerRadiusSides.RightTop);
//IsRadius为True时，显示右下圆角
bool RadiusRightBottom = radiusSides.GetValue(UICornerRadiusSides.RightBottom);
path = rect.CreateRoundedRectanglePath(radius, RadiusLeftTop, RadiusRightTop, RadiusRightBottom, RadiusLeftBottom, lineSize);
}
return(path);
}
public static GraphicsPath CreateRoundedRectanglePath(this Rectangle rect, int radius, UICornerRadiusSides radiusSides)
{
GraphicsPath path;
if (radiusSides == UICornerRadiusSides.None || radius == 0)
{
Point[] points = new Point[] { new Point(0, 0), new Point(rect.Width, 0), new Point(rect.Width, rect.Height), new Point(0, rect.Height), new Point(0, 0), };
path = points.Path();
}
else
{
//IsRadius为True时，显示左上圆角
bool RadiusLeftTop = radiusSides.GetValue(UICornerRadiusSides.LeftTop);
//IsRadius为True时，显示左下圆角
bool RadiusLeftBottom = radiusSides.GetValue(UICornerRadiusSides.LeftBottom);
//IsRadius为True时，显示右上圆角
bool RadiusRightTop = radiusSides.GetValue(UICornerRadiusSides.RightTop);
//IsRadius为True时，显示右下圆角
bool RadiusRightBottom = radiusSides.GetValue(UICornerRadiusSides.RightBottom);
path = rect.CreateRoundedRectanglePath(radius, RadiusLeftTop, RadiusRightTop, RadiusRightBottom, RadiusLeftBottom);
}
return(path);
}