types.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_TYPES_H_
#define JXL_TYPES_H_
 
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif

#define JXL_BOOL int
#define JXL_TRUE 1
#define JXL_FALSE 0
#define TO_JXL_BOOL(C) (!!(C) ? JXL_TRUE : JXL_FALSE)
#define FROM_JXL_BOOL(C) (static_cast<bool>(C))

typedef enum {
  JXL_TYPE_FLOAT = 0,

  JXL_TYPE_UINT8 = 2,

  JXL_TYPE_UINT16 = 3,

  JXL_TYPE_FLOAT16 = 5,
} JxlDataType;

typedef enum {
  JXL_NATIVE_ENDIAN = 0,
  JXL_LITTLE_ENDIAN = 1,
  JXL_BIG_ENDIAN = 2,
} JxlEndianness;

typedef struct {
  uint32_t num_channels;

  JxlDataType data_type;

  JxlEndianness endianness;

  size_t align;
} JxlPixelFormat;

typedef enum {
  JXL_BIT_DEPTH_FROM_PIXEL_FORMAT = 0,

  JXL_BIT_DEPTH_FROM_CODESTREAM = 1,

  JXL_BIT_DEPTH_CUSTOM = 2,
} JxlBitDepthType;

typedef struct {
  JxlBitDepthType type;

  uint32_t bits_per_sample;

  uint32_t exponent_bits_per_sample;
} JxlBitDepth;

typedef char JxlBoxType[4];
 
#ifdef __cplusplus
}
#endif
 
#endif /* JXL_TYPES_H_ */