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QuestionHow to get a RGB values from an image buffer? Pin
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AnswerRe: How to get a RGB values from an image buffer? Pin
Guffa5-Jul-08 5:47
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This is how you get the color components of a pixel, specified by the x and y coordinates:
byte* p = (byte *)(void *)pBuffer;
p += (x + y * Width) * 3;
byte r = *(p++);
byte g = *(p++);
byte b = *p;

If you increase the pointer for the last component also, it will point to the next pixel. This is very useful if you access the pixels in sequence, as you don't have to calculate a new address for each pixel.

Despite everything, the person most likely to be fooling you next is yourself.

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