https://bugs.kde.org/show_bug.cgi?id=382396

Nicholas LaPointe <nicholaslapoin...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Latest Commit|https://commits.kde.org/kri |https://commits.kde.org/kri
                   |ta/26e32b7eba0920955cbdc457 |ta/d6f7619cc99bf5e8b294cfe2
                   |79b0dc8a32c673cf            |eb47de8e4c7d3c89

--- Comment #2 from Nicholas LaPointe <nicholaslapoin...@gmail.com> ---
Git commit d6f7619cc99bf5e8b294cfe2eb47de8e4c7d3c89 by Nicholas LaPointe.
Committed on 10/08/2017 at 08:49.
Pushed by nicholasl into branch 'krita/3.2'.

Scale channel values by 255.0 when sending a non-RGBA image to G'MIC

A different code path is taken depending on whether or not the image data to be
sent to G'MIC is in the RGBA space.
In the RGBA case, the channel values are scaled to range between 0.0 and 255.0
In the non-RGBA case, the values were not being similarly scaled before this
commit.
(In both cases, the image is converted to use 32-bit float RGBA before any
scaling is applied.)

This is different from how the old plug-in worked:
Old plug-in
    convertToGmicImageFast() on RGBA image fills gmicImage._data with values
between 0.0 and 1.0
    convertToGmicImage() on non-RGBA image fills gmicImage._data with values
between 0.0 and 1.0

New plug-in, after commit
    convertToGmicImageFast() on RGBA image fills gmicImage->_data with values
between 0.0 and 255.0
    convertToGmicImage() on non-RGBA image fills gmicImage->_data with values
between 0.0 and 255.0

New plug-in, before commit
    convertToGmicImageFast() on RGBA image fills gmicImage->_data with values
between 0.0 and 255.0
    convertToGmicImage() on non-RGBA image fills gmicImage->_data with values
between 0.0 and 1.0
Differential Revision: https://phabricator.kde.org/D7225

M  +5    -1    plugins/extensions/qmic/kis_qmic_simple_convertor.cpp
M  +1    -1    plugins/extensions/qmic/kis_qmic_simple_convertor.h

https://commits.kde.org/krita/d6f7619cc99bf5e8b294cfe2eb47de8e4c7d3c89

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