如何在asp.net中分割多带图像 [英] How to split a Multistrip image in asp.net

问题描述

我在同一文件中有一个包含三个子图像的图像，它们均为jpg格式.
我想在ASP.net应用程序中显示，所以请建议我显示消息的最佳方法.
或如何将原始图像拆分为三个单独的图像.

谢谢，
Srikanth

Hi,

I had a image with three sub images in the same file which is in jpg format.
I want to show in ASP.net application, so Please suggest me the best way to show the message..
or How can I split the original image to three separate images.

Thanks,
Srikanth

推荐答案

using (Bitmap bmp = new Bitmap(Server.MapPath("test.jpg")))
           {
               // Get pages in bitmap
               int frames = bmp.GetFrameCount(System.Drawing.Imaging.FrameDimension.Page);
//Loop through the images and save in a location
               for (int i = 0; i < frames; i++)
               {
                   bmp.SelectActiveFrame(System.Drawing.Imaging.FrameDimension.Page, i);

                   using (Bitmap bmp2 = new Bitmap(bmp.Width, bmp.Height))
                   {
                       bmp2.Palette = bmp.Palette;
                       bmp2.SetResolution(bmp.HorizontalResolution, bmp.VerticalResolution);
                       // create graphics object for new bitmap
                       using (Graphics g = Graphics.FromImage(bmp2))
                       {                 // copy current page into new bitmap
                           g.DrawImageUnscaled(bmp, 0, 0);
                           // do whatever you migth to do                 ...
                       }
                       bmp2.Save(Server.MapPath("") + @"\bmp" + i +".jpg");
                   }
               }
           }

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