Comment # 18
on bug 92309
from Alex Deucher
(In reply to acutiator from comment #17) > This is what I'm asking you, actually. I don't know if it's possible. I'm > asking if it is. From what I understand based on the comments by Michel and > Kamil it sounds like it should be possible. So I wanted to clarify on > whether or not it is. The comment about a (0,0,0,0) pixel being a clear > indicator that something is wrong is what triggered my question. If it can > be clearly detected that it's a premultiplied alpha, even when the program > doesn't indicate this, I would think that should be implemented. Now the > question is if that can be easily detected without human intervention. But > based on your question to me it doesn't sound like it is. Is that correct? Correct. I don't think it's possible. We just get the raw image. How do you determine the indent of a specific pixel based on the pixel value? Did the provider intend it to be clear or did they indent it to be some specific color?
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