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  • 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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  • 原文地址:https://www.cnblogs.com/kezhiping/p/3048961.html
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