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MetalPetal · Aug 9, 2020 · 59a8a99 · 59a8a99
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+# MTIHighlightShadowFilter
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+A experimental highlight and shadow adjust filter for MetalPetal.
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+The implementation closely follows the highlight shadow operation in in GEGL/GIMP. 
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+https://gitlab.gnome.org/GNOME/gegl/-/blob/42186a77b08431fb25851f88e03256bc347e9790/operations/common-gpl3+/shadows-highlights-correction.c
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+The GIMP implementation closely follows its counterpart in the Darktable photography software.
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+https://docs.gimp.org/2.10/en/gimp-filter-shadows-highlights.html