asp.net GDI+把圖片繪製成自訂的橢圓形狀

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 1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using System.Drawing; 8 using System.Drawing.Drawing2D; 9 10 public partial class _Default : System.Web.UI.Page11 {12     protected void Page_Load(object sender, EventArgs e)13     {14         Bitmap bitmap = new Bitmap(400, 200);15         Graphics g = Graphics.FromImage(bitmap);16         g.Clear(Color.White);17         TextureBrush mytextbrush = new TextureBrush(System.Drawing.Image.FromFile(Server.MapPath("~/images/001aa.jpg")));18         g.FillEllipse(mytextbrush,0,0,400,200);19         System.IO.MemoryStream ms=new System.IO.MemoryStream();20         bitmap.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);21         Response.ClearContent();22         Response.ContentType = "image/Jpeg";23         Response.BinaryWrite(ms.ToArray());24     }25 }

 

 

asp.net GDI+把圖片繪製成自訂的橢圓形狀