ASP.NET很容易的图片裁剪功能

public class PicCut
    {  
        /// <summary>
        ///
        /// </summary>
        /// <param name="AbsoluteFileName">虚拟</param>
        /// <param name="SaveServer">图片虚拟路径</param>
        /// <param name="x">裁剪横坐标</param>
        /// <param name="y">裁剪的纵坐标</param>
        /// <param name="CutHeight">裁剪高度</param>
        /// <param name="CutWeight">裁剪宽度</param>
        /// <returns></returns>
        public static bool NewCutPic(string AbsoluteFileName, string SaveServer, int x, int y, int CutHeight, int CutWeight)
        {
            bool Result = false;
            using (Image img = Image.FromFile(AbsoluteFileName))
            {
                   
                int OriginalWidth = img.Width;
                int OrginalHeight = img.Height;
                using (Bitmap bm = new Bitmap(CutWeight, CutHeight))
                {
                    Graphics grap = Graphics.FromImage(bm);
                    //grap.Clear(Color.Transparent);
                    //grap.Clear(Color.White);
                    Color BgColor = Color.FromArgb(235, 235, 235);
                    grap.Clear(BgColor);
                    Rectangle rt = new Rectangle(0, 0, CutWeight, CutHeight); //从截取位置获取
                    Rectangle ort = new Rectangle(new Point(x, y), new Size(CutWeight, CutHeight)); //图片截取大小
                    grap.DrawImage(img, rt, ort, GraphicsUnit.Pixel);
                    string MapPath = HttpContext.Current.Server.MapPath(SaveServer);

                 
                      
                    //[AbsoluteFileName原存放在服务器的图片路径]删除后将减少服务器存放容量]               
                    bm.Save(MapPath, ImageFormat.Jpeg);
                    grap.Dispose();
                }
            }
            return Result;
            }
        }

 

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