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List:       kde-bugs-dist
Subject:    [krita] [Bug 373571] Color replace (like COLOR TO ALPHA)
From:       Ivan Batalin <bugzilla_noreply () kde ! org>
Date:       2018-04-01 6:47:03
Message-ID: bug-373571-17878-rNRx1Lqi8s () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=373571

Ivan Batalin <morganhold@ya.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |morganhold@ya.ru

--- Comment #1 from Ivan Batalin <morganhold@ya.ru> ---
The most easy and powerfull feature will be to invert color to alpha action -
to generate inverted mask (alpha of all colors, but selected). Must be an a
filter  option to do this.
In this case we can add, for example two filters^ HSL and Color2Alpha, and have
full control above colors. Very usefull for Photography retouching and Color
correction.
At now, to do this action you need to do the next actions:
1. Create Copy layer of source image (paint layer, or layer group)
2. Add a filter layer with Color2Alpha filter
3. Merge both of them into a group
4. Add filter mask to filter Layer with ColorAdjustment effect to invert alpha
channel
5. Add filter mask to filter layer with HSL/HSV effect to change color

Must be (simple and fast):
1. Add Color2Alpha filter mask to Paint layer or Layer group with inverted
option
2. Add HSL/HSV filter mask to Paint layer or Layer group to change color

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