[Cin] natron compositing modes

[Andrew Randrianasulu]

вс, 30 окт. 2022 г., 15:59 Andrew Randrianasulu <randrianasulu at gmail.com>:

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> вс, 30 окт. 2022 г., 15:20 Andrew Randrianasulu <randrianasulu at gmail.com>:
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>> for some reason I am confused. (again!) There is A as ARGB and there is a
>> as alpha!
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> so looking at link provided here
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> https://groups.google.com/g/natron-vfx/c/89V09-uzblc
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> https://github.com/NatronGitHub/openfx-supportext/blob/master/ofxsMerging.h
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> it seems divide provided as operation only on color channels? And what we
> do with alpha in this and similar cases?
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> or may be I read wrong source again ....
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at some point GIMP also has layer math problem, see

https://bugzilla.gnome.org/show_bug.cgi?id=162395

namely different visual results in different versions and then on top of
this question about old project files ....

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>> ---------- Forwarded message ---------
>> От: Андрей Рандрианасулу <randrik at mail.ru>
>> Date: вс, 30 окт. 2022 г., 14:36
>> Subject: natron compositing modes
>> To: randrianasulu <randrianasulu at gmail.com>
>>
>>
>> a lot of them ..
>>
>> --
>> Андрей  Рандрианасулу
>>
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