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/*
* Copyright © 2013 Richard Hughes
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _WESTON_CMS_H_
#define _WESTON_CMS_H_
#include "config.h"
#include "compositor.h"
/* General overview on how to be a CMS plugin:
*
* First, some nomenclature:
*
* CMF: Color management framework, i.e. "Use foo.icc for device $bar"
* CMM: Color management module that converts pixel colors, which is
* usually lcms2 on any modern OS.
* CMS: Color management system that encompasses both a CMF and CMM.
* ICC: International Color Consortium, the people that define the
* binary encoding of a .icc file.
* VCGT: Video Card Gamma Tag. An Apple extension to the ICC specification
* that allows the calibration state to be stored in the ICC profile
* Output: Physical port with a display attached, e.g. LVDS1
*
* As a CMF is probably something you don't want or need on an embeded install
* these functions will not be called if the icc_profile key is set for a
* specific [output] section in weston.ini
*
* Most desktop environments want the CMF to decide what profile to use in
* different situations, so that displays can be profiled and also so that
* the ICC profiles can be changed at runtime depending on the task or ambient
* environment.
*
* The CMF can be selected using the 'modules' key in the [core] section.
*/
struct weston_color_profile {
char *filename;
void *lcms_handle;
};
void
weston_cms_set_color_profile(struct weston_output *o,
struct weston_color_profile *p);
struct weston_color_profile *
weston_cms_create_profile(const char *filename,
void *lcms_profile);
struct weston_color_profile *
weston_cms_load_profile(const char *filename);
void
weston_cms_destroy_profile(struct weston_color_profile *p);
#endif
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