Old 09-20-2021, 02:34 PM   #1
papagirafe
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Join Date: Aug 2020
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Default gfx_procrect's mysterious 768-entry table

Hi dear video processor gurus!

Nowadays I am trying one by one the non-obvious gfx functions and today's winner is gfx_procrect()! Apart from the fact that 768 is 3x256 and that the table seems to be composed of 3 groups 256 0/1 values, I do not know how to populate this table with useful values. It modifies colors but does it also allow to alter the alpha values?

Also the gfx_evalrect() seems to use a similar "table" logic but again the "eval code" is a pure mystery for me.

Thanks in advance!

Last edited by papagirafe; 09-20-2021 at 04:31 PM. Reason: omission
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