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color: add weston_color_profile_param_builder_set_target_primaries_named()

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The protocol does not carry target primaries by enumeration, but in
weston.ini I want to be able to use a name rather than raw values.
Adding this API makes that possible.

main.c cannot look up the enumeration itself, because color-properties.h
is private. As it should be.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2025-09-23 14:44:29 +03:00 • committed by Leandro Ribeiro
parent 9b68277b77
commit 360eef9663
2 changed files with 29 additions and 0 deletions
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4
include/libweston/colorimetry.h
View file

@ -234,6 +234,10 @@ bool
weston_color_profile_param_builder_set_target_primaries(struct weston_color_profile_param_builder *builder,
const struct weston_color_gamut *target_primaries);
bool
weston_color_profile_param_builder_set_target_primaries_named(struct weston_color_profile_param_builder *builder,
enum weston_color_primaries target_primaries);
bool
weston_color_profile_param_builder_set_target_luminance(struct weston_color_profile_param_builder *builder,
float min_lum, float max_lum);

25
libweston/color-profile-param-builder.c
View file

@ -576,6 +576,31 @@ weston_color_profile_param_builder_set_target_primaries(struct weston_color_prof
return true;
}
/**
* Sets target primaries for struct weston_color_profile_param_builder object
* from the given enumerated primaries.
*
* If the target primaries are already set, this should fail. Setting a
* parameter twice is forbidden.
*
* If this fails, users can call weston_color_profile_param_builder_get_error()
* to get the error details.
*
* \param builder The builder object whose parameters will be set.
* \param target_primaries The entry from the enumeration to use.
* \return true on success, false otherwise.
*/
WL_EXPORT bool
weston_color_profile_param_builder_set_target_primaries_named(struct weston_color_profile_param_builder *builder,
enum weston_color_primaries target_primaries)
{
const struct weston_color_primaries_info *info;
info = weston_color_primaries_info_from(builder->compositor, target_primaries);
return weston_color_profile_param_builder_set_target_primaries(builder, &info->color_gamut);
}
/**
* Sets target luminance for struct weston_color_profile_param_builder object.
*