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| color enhance http://gimpchat.com/viewtopic.php?f=8&t=18879 |
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| Author: | john7002 [ Mon Oct 26, 2020 6:12 am ] |
| Post subject: | color enhance |
GIMP Version: 2.10 Operating System: Mac OS GIMP Experience: New User List any relevant plug-ins or scripts: color-enhance Hello, I am new to the forum. I upgraded few times ago to gimp 2.10 and I noticed new option in colors>auto menu. The former "color enhance" filter is now noted as "legacy",and there is a "new" color enhance feature which looks promising to me. In previous color enhance feature, there was a clear description of stuffs done by the algorithm (tranform to HSV color and extend the saturation range) and even the source code. But I can not find at all what does the new color feature is doing... Besides, I can not find the code in the github repo. Does anyone knows a little bit more about this new filter? Many thanks. Edit: I wanted to provide links to gimp documentation and source code, but as a new forum user I can not post outside url in my message. |
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| Author: | paynekj [ Mon Oct 26, 2020 6:53 am ] |
| Post subject: | Re: color enhance |
The new Color Enhance is a GEGL fuction, so you'd have to look in the GEGL repository: https://gitlab.gnome.org/GNOME/gegl/-/b ... -enhance.c And note that GIMP and GEGL repositories are on GitLab and that the version on GitHub is a mirror and not the official location. Kevin |
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| Author: | ofnuts [ Mon Oct 26, 2020 7:00 am ] |
| Post subject: | Re: color enhance |
This is a GEGL operation now, so the source is in GEGL: https://gitlab.gnome.org/GNOME/gegl/-/b ... -enhance.c From the comments: Quote: * This operation is inspired from the color enhance gimp plugin. * It alters the chroma component to cover maximum possible range, * keeping hue and lightness untouched. However like most GEGL stuff, it works in "linear light" while the legacy version works off gamma-compressed data. |
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