Image Masks - Completely lost

Thomas McGrath III 3mcgrath at adelphia.net
Tue Dec 27 22:42:28 EST 2005


JIm,

That was an excellent review of alpha/image/mask data bytes. Maybe  
you can explain the difference between the alpha and mask data type.  
I think more people need to know this stuff.

Thanks,

Tom

On Dec 27, 2005, at 6:50 PM, Jim Ault wrote:

> On 12/27/05 2:24 PM, "Bob Warren" <robertum at brturbo.com> wrote:
>> The RR HELP hasn't helped me very much so far, I'm afraid. My  
>> experiments with
> "imagedata" and  "alphadata" have so far failed.
>
> Bob, maybe the following will help you get a handle on this image  
> stuff.
>
> a 10x10 image has 100 alphaData bytes
> a 10x10 image has 300 imageData bytes
> obviously imageData (RGB) cannot possibly fit into the alphaData
> a 10x10 image has 100 maskData bytes



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