cammy/include/cammy/photo.h

#ifndef _CAMMY_PHOTO_H
#define _CAMMY_PHOTO_H

#include <stdint.h>

#include <cammy/tile.h>

#define CAMMY_PHOTO_TILES_WIDTH  16
#define CAMMY_PHOTO_TILES_HEIGHT 14

#define CAMMY_PHOTO_WIDTH \
    (CAMMY_TILE_WIDTH * CAMMY_PHOTO_TILES_WIDTH)

#define CAMMY_PHOTO_HEIGHT \
    (CAMMY_TILE_HEIGHT * CAMMY_PHOTO_TILES_HEIGHT)

#define CAMMY_PHOTO_THUMB_TILES_WIDTH  4
#define CAMMY_PHOTO_THUMB_TILES_HEIGHT 4

#define CAMMY_PHOTO_INFO_SIZE 256

#pragma pack(1)
#pragma pack(push)

typedef struct _cammy_photo {
    cammy_tile tiles[CAMMY_PHOTO_TILES_HEIGHT]
                    [CAMMY_PHOTO_TILES_WIDTH];

    cammy_tile thumb[CAMMY_PHOTO_THUMB_TILES_HEIGHT]
                    [CAMMY_PHOTO_THUMB_TILES_WIDTH];

    uint8_t info[CAMMY_PHOTO_INFO_SIZE];
} cammy_photo;

#pragma pack(pop)

void cammy_photo_export(cammy_photo *src, uint8_t *dest, int stride);

void cammy_photo_import(cammy_photo *dest, uint8_t *src, int stride);

void cammy_photo_dither(uint8_t *dest,
                        uint8_t *src,
                         size_t  width,
                         size_t  height,
                            int  stride);

#endif /* _CAMMY_PHOTO_H */