Thank you for the fast update !
Now, It really works great in my opinion. I ran several test,
comparison, and I can just say I love it.
I did a little report of my tests here ; and how I used it
http://david.revoy.free.fr/forums/Mypaint/2011-11-11_mypaint-colorize-brush-blendingmode-testing.jpg
thank you !
Using the watercolors preset with it makes cool effects , Also pick
context with it is amazing...etc...
Brush Blending modes will be really useful ; by the way I noticed in
your branch this brush blending mode dabs didn't
copy/duplicate the background color as Maxy started to code them, and
they doesn't work on alpha part of image, or alpha new layer.
Are this brush blending mode branches differents ?
"Vision and Art: The Biology of Seeing" of Margaret Livingstone was not
translated in french unfortunately for me.
I read the description on websites, and it sound interresting. I might
dive in purchasing it in English.
As a finition sort of , like a "cherry on the top" ; I would really like
brush blending mode affect the visual representation of the brush cursor
(outliner) . ( ex : as the eraser mode does , with 4 big dashed outines
). It's a good visual feedback for the user to know what he's using.
Almost last years, I posted this on the wiki :
http://wiki.mypaint.info/Brainstorming/UI/Brushcursor .
Now I feel some of my ideas were weird ( multiply bold / alpha lock in
red / colorize in rainbow = can be distracting ) , but maybe a simple
dashed outline can be elegant for all brush blending modes ? Just to
remind the user he 's not using a normal mode.
thank you
On 11/11/2011 00:03, Andrew Chadwick wrote:
Thanks for the feedback! I've taken on board what you mentioned, and
reimplemented it as HSY (or is that H'S'Y'?) using a slightly
different set of coefficients that may make more sense for
sRGB-calibrated monitors. Can you give it another spin if you have a
moment? You should find it looks closer to what you expect.
(I've been reading "Vision and Art: The Biology of Seeing" recently.
Highly recommended. The author is a neurobiologist and makes a clear
explanation of the form- and colour- sensing cells in the eye, and how
the information is encoded and processed all the way back through the
visual cortex and beyond, and how all of that relates to art.
Fascinating stuff, and being an utter n00b when it comes to colour
myself, I thought I had to experiment... being able to think about the
form and shadow of a piece separately from its colour seems like a big
help :)
On 9 November 2011 15:27, David Revoy<[email protected]> wrote:
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 :/
_______________________________________________
Mypaint-discuss mailing list
[email protected]
https://mail.gna.org/listinfo/mypaint-discuss
