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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); }
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