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This is my bitmap code
Bitmap b = new Bitmap(columns, rows, PixelFormat.Format24bppRgb);
BitmapData bmd = b.LockBits(new Rectangle(0, 0, columns, rows), ImageLockMode.ReadWrite, b.PixelFormat);
How can i save this as a grayscale image ?
Well iam specifically interested in the saving part. How do i save it as a file ?
There are many links in google
like
https://web.archive.org/web/20110219113117/http://www.switchonthecode.com/tutorials/csharp-tutorial-convert-a-color-image-to-grayscale (WebArchive for broken link)
or
https://web.archive.org/web/20120707003826/http://www.dreamincode.net/code/snippet2570.htm (WebArchive for broken link)