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Article:
  Bitmap Image Filters
Subject:   handle alpha channel?
Date:   2002-08-08 21:12:34
From:   psheldon
"p1 = srcData + 3 * (y * w + x);" in IAGrayscaleFilter.m I believe does not as needs n in place of 3, I think.


I must be missing something because I don't see a change needed. Or maybe I learned enough to be of use in this article.


;-)


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  1. Michael Beam photo handle alpha channel?
    2002-08-09 17:19:22  Michael Beam | O'Reilly Author [View]

    • ah you had given me support by giving me a problem to solve
      2002-08-10 10:16:59  psheldon [View]

      • friend Dan Van Bose in Fort Worth explained syntax
        2002-08-11 14:40:41  psheldon [View]

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