cms_interface.h

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/* Copyright (c) the JPEG XL Project Authors. All rights reserved.
 *
 * Use of this source code is governed by a BSD-style
 * license that can be found in the LICENSE file.
 */

#ifndef JXL_CMS_INTERFACE_H_
#define JXL_CMS_INTERFACE_H_

#include <jxl/color_encoding.h>
#include <jxl/types.h>
#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef JXL_BOOL (*jpegxl_cms_set_fields_from_icc_func)(void* user_data,
                                                        const uint8_t* icc_data,
                                                        size_t icc_size,
                                                        JxlColorEncoding* c,
                                                        JXL_BOOL* cmyk);

typedef struct {
  struct {
    const uint8_t* data;
    size_t size;
  } icc;

  JxlColorEncoding color_encoding;

  size_t num_channels;
} JxlColorProfile;

typedef void* (*jpegxl_cms_init_func)(void* init_data, size_t num_threads,
                                      size_t pixels_per_thread,
                                      const JxlColorProfile* input_profile,
                                      const JxlColorProfile* output_profile,
                                      float intensity_target);

typedef float* (*jpegxl_cms_get_buffer_func)(void* user_data, size_t thread);

typedef JXL_BOOL (*jpegxl_cms_run_func)(void* user_data, size_t thread,
                                        const float* input_buffer,
                                        float* output_buffer,
                                        size_t num_pixels);

typedef void (*jpegxl_cms_destroy_func)(void*);

typedef struct {
  void* set_fields_data;
  jpegxl_cms_set_fields_from_icc_func set_fields_from_icc;

  void* init_data;
  jpegxl_cms_init_func init;
  jpegxl_cms_get_buffer_func get_src_buf;
  jpegxl_cms_get_buffer_func get_dst_buf;
  jpegxl_cms_run_func run;
  jpegxl_cms_destroy_func destroy;
} JxlCmsInterface;

#ifdef __cplusplus
}
#endif

#endif /* JXL_CMS_INTERFACE_H_ */