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https://gitlab.freedesktop.org/wayland/weston
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ac3e416402
We'll need to craft ICC profiles in the CM&HDR protocol implementation tests. So move it from color-icc-output-test.c to the LittleCMS helper in our test suite. This also removes some unused headers from color-icc-output-test.c, as we've moved a bunch of code to the LittleCMS helper. Signed-off-by: Leandro Ribeiro <leandro.ribeiro@collabora.com>
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
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* Copyright 2022 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include <lcms2.h>
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#include "color_util.h"
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struct lcms_pipeline {
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/**
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* Color space name
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*/
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const char *color_space;
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/**
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* Chromaticities for output profile
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*/
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cmsCIExyYTRIPLE prim_output;
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/**
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* tone curve enum
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*/
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enum transfer_fn pre_fn;
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/**
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* Transform matrix from sRGB to target chromaticities in prim_output
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*/
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struct lcmsMAT3 mat;
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/**
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* matrix from prim_output to XYZ, for example matrix conversion
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* sRGB->XYZ, adobeRGB->XYZ, bt2020->XYZ
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*/
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struct lcmsMAT3 mat2XYZ;
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/**
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* tone curve enum
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*/
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enum transfer_fn post_fn;
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};
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cmsToneCurve *
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build_MPE_curve(cmsContext ctx, enum transfer_fn fn);
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cmsStage *
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build_MPE_curve_stage(cmsContext context_id, enum transfer_fn fn);
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cmsBool
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SetTextTags(cmsHPROFILE hProfile, const wchar_t* Description);
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cmsHPROFILE
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build_lcms_matrix_shaper_profile_output(cmsContext context_id,
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const struct lcms_pipeline *pipeline,
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const double vcgt_exponents[COLOR_CHAN_NUM]);
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cmsHPROFILE
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build_lcms_clut_profile_output(cmsContext context_id,
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const struct lcms_pipeline *pipeline,
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const double vcgt_exponents[COLOR_CHAN_NUM],
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int clut_dim_size, float clut_roundtrip_tolerance);
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