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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2012 by Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Xavier Thomas,
* Lukas Toenne,
* Sergey Sharybin
*
* ***** END GPL LICENSE BLOCK *****
*
*/
#ifndef __IMB_COLORMANAGEMENT_H__
#define __IMB_COLORMANAGEMENT_H__
/** \file blender/imbuf/IMB_colormanagement.h
* \ingroup imbuf
*/
#include "BLI_sys_types.h"
#include "BLI_compiler_compat.h"
#define BCM_CONFIG_FILE "config.ocio"
struct bContext;
struct ColorManagedColorspaceSettings;
struct ColorManagedDisplaySettings;
struct ColorManagedViewSettings;
struct ColormanageProcessor;
struct EnumPropertyItem;
struct ImBuf;
struct Main;
struct ImageFormatData;
struct ColorSpace;
struct ColorManagedDisplay;
/* ** Generic functions ** */
void IMB_colormanagement_check_file_config(struct Main *bmain);
void IMB_colormanagement_validate_settings(struct ColorManagedDisplaySettings *display_settings,
struct ColorManagedViewSettings *view_settings);
const char *IMB_colormanagement_role_colorspace_name_get(int role);
void IMB_colormanagement_check_is_data(struct ImBuf *ibuf, const char *name);
void IMB_colormanagement_assign_float_colorspace(struct ImBuf *ibuf, const char *name);
void IMB_colormanagement_assign_rect_colorspace(struct ImBuf *ibuf, const char *name);
const char *IMB_colormanagement_get_float_colorspace(struct ImBuf *ibuf);
const char *IMB_colormanagement_get_rect_colorspace(struct ImBuf *ibuf);
BLI_INLINE float IMB_colormanagement_get_luminance(const float rgb[3]);
BLI_INLINE unsigned char IMB_colormanagement_get_luminance_byte(const unsigned char[3]);
/* ** Color space transformation functions ** */
void IMB_colormanagement_transform(float *buffer, int width, int height, int channels,
const char *from_colorspace, const char *to_colorspace, bool predivide);
void IMB_colormanagement_transform_threaded(float *buffer, int width, int height, int channels,
const char *from_colorspace, const char *to_colorspace, bool predivide);
void IMB_colormanagement_transform_byte(unsigned char *buffer, int width, int height, int channels,
const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_transform_byte_threaded(unsigned char *buffer, int width, int height, int channels,
const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_transform_from_byte(float *float_buffer, unsigned char *byte_buffer,
int width, int height, int channels,
const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_transform_from_byte_threaded(float *float_buffer, unsigned char *byte_buffer,
int width, int height, int channels,
const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_transform_v4(float pixel[4], const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_colorspace_to_scene_linear_v3(float pixel[3], struct ColorSpace *colorspace);
void IMB_colormanagement_colorspace_to_scene_linear_v4(float pixel[4], bool predivide, struct ColorSpace *colorspace);
void IMB_colormanagement_scene_linear_to_colorspace_v3(float pixel[3], struct ColorSpace *colorspace);
void IMB_colormanagement_colorspace_to_scene_linear(float *buffer, int width, int height, int channels, struct ColorSpace *colorspace, bool predivide);
void IMB_colormanagement_scene_linear_to_display_v3(float pixel[3], struct ColorManagedDisplay *display);
void IMB_colormanagement_display_to_scene_linear_v3(float pixel[3], struct ColorManagedDisplay *display);
void IMB_colormanagement_pixel_to_display_space_v4(float result[4], const float pixel[4], const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
void IMB_colormanagement_pixel_to_display_space_v3(float result[3], const float pixel[3], const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
void IMB_colormanagement_imbuf_make_display_space(struct ImBuf *ibuf, const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
struct ImBuf *IMB_colormanagement_imbuf_for_write(struct ImBuf *ibuf, bool save_as_render, bool allocate_result,
const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings,
struct ImageFormatData *image_format_data);
void IMB_colormanagement_buffer_make_display_space(float *buffer, unsigned char *display_buffer,
int width, int height, int channels, float dither,
const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
/* ** Public display buffers interfaces ** */
void IMB_colormanagement_display_settings_from_ctx(const struct bContext *C,
struct ColorManagedViewSettings **view_settings_r,
struct ColorManagedDisplaySettings **display_settings_r);
const char *IMB_colormanagement_get_display_colorspace_name(const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
unsigned char *IMB_display_buffer_acquire(struct ImBuf *ibuf, const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings, void **cache_handle);
unsigned char *IMB_display_buffer_acquire_ctx(const struct bContext *C, struct ImBuf *ibuf, void **cache_handle);
void IMB_display_buffer_transform_apply(unsigned char *display_buffer, float *linear_buffer, int width, int height,
int channels, const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings, bool predivide);
void IMB_display_buffer_release(void *cache_handle);
/* ** Display funcrions ** */
int IMB_colormanagement_display_get_named_index(const char *name);
const char *IMB_colormanagement_display_get_indexed_name(int index);
const char *IMB_colormanagement_display_get_default_name(void);
struct ColorManagedDisplay *IMB_colormanagement_display_get_named(const char *name);
const char *IMB_colormanagement_display_get_none_name(void);
/* ** View funcrions ** */
int IMB_colormanagement_view_get_named_index(const char *name);
const char *IMB_colormanagement_view_get_indexed_name(int index);
/* ** Look funcrions ** */
int IMB_colormanagement_look_get_named_index(const char *name);
const char *IMB_colormanagement_look_get_indexed_name(int index);
/* ** Color space functions ** */
int IMB_colormanagement_colorspace_get_named_index(const char *name);
const char *IMB_colormanagement_colorspace_get_indexed_name(int index);
const char *IMB_colormanagement_view_get_default_name(const char *display_name);
void IMB_colormanagment_colorspace_from_ibuf_ftype(struct ColorManagedColorspaceSettings *colorspace_settings, struct ImBuf *ibuf);
/* ** RNA helper functions ** */
void IMB_colormanagement_display_items_add(struct EnumPropertyItem **items, int *totitem);
void IMB_colormanagement_view_items_add(struct EnumPropertyItem **items, int *totitem, const char *display_name);
void IMB_colormanagement_look_items_add(struct EnumPropertyItem **items, int *totitem, const char *view_name);
void IMB_colormanagement_colorspace_items_add(struct EnumPropertyItem **items, int *totitem);
/* ** Tile-based buffer management ** */
void IMB_partial_display_buffer_update(struct ImBuf *ibuf, const float *linear_buffer, const unsigned char *buffer_byte,
int stride, int offset_x, int offset_y,
const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings,
int xmin, int ymin, int xmax, int ymax,
bool copy_display_to_byte_buffer);
void IMB_partial_display_buffer_update_threaded(struct ImBuf *ibuf,
const float *linear_buffer,
const unsigned char *buffer_byte,
int stride,
int offset_x, int offset_y,
const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings,
int xmin, int ymin, int xmax, int ymax,
bool copy_display_to_byte_buffer);
void IMB_partial_display_buffer_update_delayed(struct ImBuf *ibuf, int xmin, int ymin, int xmax, int ymax);
/* ** Pixel processor functions ** */
struct ColormanageProcessor *IMB_colormanagement_display_processor_new(const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings);
struct ColormanageProcessor *IMB_colormanagement_colorspace_processor_new(const char *from_colorspace, const char *to_colorspace);
void IMB_colormanagement_processor_apply_v4(struct ColormanageProcessor *cm_processor, float pixel[4]);
void IMB_colormanagement_processor_apply_v4_predivide(struct ColormanageProcessor *cm_processor, float pixel[4]);
void IMB_colormanagement_processor_apply_v3(struct ColormanageProcessor *cm_processor, float pixel[3]);
void IMB_colormanagement_processor_apply_pixel(struct ColormanageProcessor *cm_processor, float *pixel, int channels);
void IMB_colormanagement_processor_apply(struct ColormanageProcessor *cm_processor, float *buffer, int width, int height,
int channels, bool predivide);
void IMB_colormanagement_processor_apply_byte(struct ColormanageProcessor *cm_processor,
unsigned char *buffer, int width, int height, int channels);
void IMB_colormanagement_processor_free(struct ColormanageProcessor *cm_processor);
/* ** OpenGL drawing routines using GLSL for color space transform ** */
/* Test if GLSL drawing is supported for combination of graphics card and this configuration */
bool IMB_colormanagement_support_glsl_draw(const struct ColorManagedViewSettings *view_settings);
/* Configures GLSL shader for conversion from scene linear to display space */
bool IMB_colormanagement_setup_glsl_draw(const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings,
float dither, bool predivide);
/* Same as above, but display space conversion happens from a specified space */
bool IMB_colormanagement_setup_glsl_draw_from_space(const struct ColorManagedViewSettings *view_settings,
const struct ColorManagedDisplaySettings *display_settings,
struct ColorSpace *colorspace,
float dither, bool predivide);
/* Same as setup_glsl_draw, but color management settings are guessing from a given context */
bool IMB_colormanagement_setup_glsl_draw_ctx(const struct bContext *C, float dither, bool predivide);
/* Same as setup_glsl_draw_from_space, but color management settings are guessing from a given context */
bool IMB_colormanagement_setup_glsl_draw_from_space_ctx(const struct bContext *C, struct ColorSpace *colorspace,
float dither, bool predivide);
/* Finish GLSL-based display space conversion */
void IMB_colormanagement_finish_glsl_draw(void);
/* Roles */
enum {
COLOR_ROLE_SCENE_LINEAR = 0,
COLOR_ROLE_COLOR_PICKING,
COLOR_ROLE_TEXTURE_PAINTING,
COLOR_ROLE_DEFAULT_SEQUENCER,
COLOR_ROLE_DEFAULT_BYTE,
COLOR_ROLE_DEFAULT_FLOAT,
};
#include "intern/colormanagement_inline.c"
#endif /* __IMB_COLORMANAGEMENT_H__ */
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