Hi,
Many thanks for working on a color blending mode.
I really use this workflow a lot. So thanks a lot first.
My feedback for testing it is a PDF. Inside more infos than I could
write in mail or IRC :
http://david.revoy.free.fr/forums/Mypaint/2011-11-09_Mypaint-teint_Deevad-feedback.pdf
(a pdf in libreofficedraw, because it was easier for me to draw arrow,
embeded screenshots and move objects/etc... )
+the scrap file I tested on screenshots ( public domain ) :
http://david.revoy.free.fr/forums/Mypaint/2011-11-09_tester-for-tint.ora
For more infos on the HSY color blending mode + the pseudo code spec
from adobe pdf :
http://www.beneaththewaves.net/Photography/Secrets_of_Photoshops_Colour_Blend_Mode_Revealed_Sort_Of.html
from all my test so far, HSY work the best ( better than Gimp default
one ) for all drawing in grey values, mainly because it keeps the values
of the drawing/painting consistent.
Hope it can help to get a very nice color blending mode.
And of course I imagine this is a complicated things to code, so no
problem if you want to keep what you did till now.
This is already far more better than 'nothing at all' concerning coloring.
-David
On 09/11/2011 15:14, Andrew Chadwick wrote:
Hi -
ISTR Deevad mentioning on here that he wanted, essentially, the ability
to work out form and shadow in greyscale then tint it. Would
http://forum.intilinux.com/mypaint-development-and-suggestions/experimental-tinting-and-colorizing-mode/
be of any use for that? Sort of works as a set-hue plus some special
treatment for the source saturation. The code is fairly hideous and does
things about as inefficiently as possible, but I'm just sounding out
MyPainters about whether the core idea seems and feels OK right now.
Pondering a dodge/burn or lighten/darken blend mode too, or a method of
tweaking saturations in a similar way. Any ideas for how they should
work? Ideally I'd like them to work by replicating some dimensions of
the working colour onto the target layer, while leaving other dimensions
intact.
And I hope I'm getting the blending modes to play nicely together when
more than one is in effect :/
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