Re: png images in tool-bar / alpha mask

[David Reitter <david.reitter@gmail.com>]

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On 3 Apr 2008, at 22:15, YAMAMOTO Mitsuharu wrote:
>
> It seems to completely ignore postprocessing for PNG images.  Didn't
> you say that "One could remove the reference to the original image as
> soon as any kind of processing is done in order to maintain
> compatibility."?

prepare_image_for_display sets data.ptr_val in the image structure as  
well.
What happens when the image is manipulated after it's been first drawn?

I assumed that data.ptr_val would be invalidated at that point, as is  
done in x_clear_image_1.

Are you concerned about postprocess_image?
One would have to invalidate the pointer and free the image when  
anything is done to the image there (x_build_heuristic_mask is called,  
or QCconversion is given).

Any other places where image manipulation can take place?



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