On 04/03/2010, at 3:54 PM, Martin Beroiz wrote:

> bitsPerSample:8 

>               pixels[0] = 1;
>               pixels[1] = 0;
>               pixels[2] = 0;
>               pixels[3] = 0;

> The docs say that NSDeviceWhiteColorSpace has pure white at 1.0, so I'm 
> guessing that pixels[0] = 1 will set a white pixel, am I wrong?


Yes. Because you're setting the pixel buffer values directly, you need to set 
the 8 bits you asked for. So value 0 is one end, value 255 is the other. Pixels 
are not expressed directly as values in a colour space.

--Graham


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