That was it, I zeroed to the data and it works
Thank you.

On May 31, 2010, at 2:34 PM, Greg Guerin wrote:

> Development wrote:
> 
>> What I get is a black rectangle of scrambled colors and no discernible 
>> resemblance to the page data.
>> ...
>>      void * bitmapData = malloc(byteSize); ag
> 
> 
> IIRC, malloc() does not initialize the returned memory.  Since you don't seem 
> to do any other initialization, you are effectively drawing into a bit-map 
> containing random data.
> 
>  -- GG
> 
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