Silverlight 引路蜂二维图形库示例:多义线和多边形

Graphics2D提供了FillPolygon ，drawPolyline来填充和绘制多边形和多义线。

private void Polys()
{
 AffineTransform mat1;
 /** Colors */
 Color redColor = new Color(0x96ff0000, true);
 Color greenColor = new Color(0xff00ff00, false);
 Color blueColor = new Color(0x750000ff, true);

 Polyline polyline;
 Polygon polygon;
 Polygon polygon1;

 string pointsdata1 = "59,45,95,63,108,105,82,139,39,140,11,107,19,65";
 mat1 = new AffineTransform();
 mat1.Translate(130, 140);
 mat1.Rotate(-30 * Math.PI / 180.0);
 polyline = new Polyline();
 polygon = new Polygon();
 polygon1 = new Polygon();
 Point[] points = Point.FromString(pointsdata1);
 for (int i = 0; i < points.Length; i++)
 {
  polyline.AddPoint(points[i].X, points[i].Y);
  polygon.AddPoint(points[i].X, points[i].Y);
  polygon1.AddPoint(points[i].X, points[i].Y);
 }
 //Clear the canvas with white color.
 graphics2D.Reset();
 graphics2D.Clear(Color.White);

 graphics2D.AffineTransform = new AffineTransform();
 SolidBrush brush = new SolidBrush(greenColor);
 graphics2D.FillPolygon(brush, polygon);
 graphics2D.AffineTransform = mat1;
 brush = new SolidBrush(blueColor);
 Pen pen = new Pen(redColor, 5);
 graphics2D.SetPenAndBrush(pen, brush);
 graphics2D.FillPolygon(null, polygon1);
 graphics2D.DrawPolyline(null, polyline);
}