You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.6 KiB
56 lines
1.6 KiB
/*
|
|
* This an unstable interface of wlroots. No guarantees are made regarding the
|
|
* future consistency of this API.
|
|
*/
|
|
#ifndef WLR_USE_UNSTABLE
|
|
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
|
|
#endif
|
|
|
|
#ifndef WLR_RENDER_COLOR_H
|
|
#define WLR_RENDER_COLOR_H
|
|
|
|
#include <stdbool.h>
|
|
#include <sys/types.h>
|
|
|
|
/**
|
|
* A color transformation formula, which maps a linear color space with
|
|
* sRGB primaries to an output color space.
|
|
*
|
|
* For ease of use, this type is heap allocated and reference counted.
|
|
* Use wlr_color_transform_ref()/wlr_color_transform_unref(). The initial reference
|
|
* count after creation is 1.
|
|
*
|
|
* Color transforms are immutable; their type/parameters should not be changed,
|
|
* and this API provides no functions to modify them after creation.
|
|
*
|
|
* This formula may be implemented using a 3d look-up table, or some other
|
|
* means.
|
|
*/
|
|
struct wlr_color_transform;
|
|
|
|
/**
|
|
* Initialize a color transformation to convert linear
|
|
* (with sRGB(?) primaries) to an ICC profile. Returns NULL on failure.
|
|
*/
|
|
struct wlr_color_transform *wlr_color_transform_init_linear_to_icc(
|
|
const void *data, size_t size);
|
|
|
|
/**
|
|
* Initialize a color transformation to apply sRGB encoding.
|
|
* Returns NULL on failure.
|
|
*/
|
|
struct wlr_color_transform *wlr_color_transform_init_srgb(void);
|
|
|
|
/**
|
|
* Increase the reference count of the color transform by 1.
|
|
*/
|
|
void wlr_color_transform_ref(struct wlr_color_transform *tr);
|
|
|
|
/**
|
|
* Reduce the reference count of the color transform by 1; freeing it and
|
|
* all associated resources when the reference count hits zero.
|
|
*/
|
|
void wlr_color_transform_unref(struct wlr_color_transform *tr);
|
|
|
|
#endif
|