diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-10-12 17:42:34 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-12-13 21:25:46 +0300 |
| commit | f527ce5b2f5bb300a7fe55db33d1e3a4da8051c7 (patch) | |
| tree | df1226d253b2a7c2e66cba75b37f9ec0a475c288 /intern/opencolorio/ocio_impl.cc | |
| parent | 6601a89650f92454aa57bc01bedebd4086f6d98d (diff) | |
Color management: add OCIO aware utility functions for transform to/from XYZ.
Diffstat (limited to 'intern/opencolorio/ocio_impl.cc')
| -rw-r--r-- | intern/opencolorio/ocio_impl.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/intern/opencolorio/ocio_impl.cc b/intern/opencolorio/ocio_impl.cc index 4c9115af810..ac167692647 100644 --- a/intern/opencolorio/ocio_impl.cc +++ b/intern/opencolorio/ocio_impl.cc @@ -419,6 +419,33 @@ void OCIOImpl::configGetDefaultLumaCoefs(OCIO_ConstConfigRcPtr *config, float *r } } +void OCIOImpl::configGetXYZtoRGB(OCIO_ConstConfigRcPtr *config_, float xyz_to_rgb[3][3]) +{ + ConstConfigRcPtr config = (*(ConstConfigRcPtr *) config_); + + /* Default to ITU-BT.709 in case no appropriate transform found. */ + memcpy(xyz_to_rgb, OCIO_XYZ_TO_LINEAR_SRGB, sizeof(OCIO_XYZ_TO_LINEAR_SRGB)); + + /* Auto estimate from XYZ and scene_linear roles, assumed to be a linear transform. */ + if(config->hasRole("XYZ") && config->hasRole("scene_linear")) { + ConstProcessorRcPtr to_rgb_processor = config->getProcessor("XYZ", "scene_linear"); + if(to_rgb_processor) { + xyz_to_rgb[0][0] = 1.0f; + xyz_to_rgb[0][1] = 0.0f; + xyz_to_rgb[0][2] = 0.0f; + xyz_to_rgb[1][0] = 0.0f; + xyz_to_rgb[1][1] = 1.0f; + xyz_to_rgb[1][2] = 0.0f; + xyz_to_rgb[2][0] = 0.0f; + xyz_to_rgb[2][1] = 0.0f; + xyz_to_rgb[2][2] = 1.0f; + to_rgb_processor->applyRGB(xyz_to_rgb[0]); + to_rgb_processor->applyRGB(xyz_to_rgb[1]); + to_rgb_processor->applyRGB(xyz_to_rgb[2]); + } + } +} + int OCIOImpl::configGetNumLooks(OCIO_ConstConfigRcPtr *config) { try { |