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Snippet Metadata
Summary: How to convert a colour image to grayscale
Language: C#
Author: J.Marc Piulachs
Author snippets RSS:
Culture: en-US
Bytes: 348
Visual Studio 2005 Snippet:

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Downloads: 5
Overall rating : 0
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public Bitmap ConvertToGrayscale(Bitmap source)
  Bitmap bm = new Bitmap(source.Width,source.Height);
  for(int y=0;y<bm.Height;y++)
    for(int x=0;x<bm.Width;x++)
      Color c=source.GetPixel(x,y);
      int luma = (int)(c.R*0.3 + c.G*0.59+ c.B*0.11);
  return bm;

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