/*
 * Written 1998 Jens Ch. Restemeier <jchrr@hrz.uni-bielefeld.de>
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */
#ifndef FILE_FLI_FLI_H_INCLUDED
#define FILE_FLI_FLI_H_INCLUDED

/** structures */

typedef struct _fli_header {
        unsigned long filesize;
        unsigned short magic;
        unsigned short frames;
        unsigned short width;
        unsigned short height;
        unsigned short depth;
        unsigned short flags;
        unsigned long speed;
        unsigned long created;
        unsigned long creator;
        unsigned long updated;
        unsigned short aspect_x, aspect_y;
        unsigned long oframe1, oframe2;
} s_fli_header;

typedef struct _fli_frame {
        unsigned long size;
        unsigned short magic;
        unsigned short chunks;
} s_fli_frame;

typedef struct _fli_chunk {
        unsigned long size;
        unsigned short magic;
        unsigned char *data;
} s_fli_chunk;

/** chunk magics */
#define NO_HEADER       0
#define HEADER_FLI      0xAF11
#define HEADER_FLC      0xAF12
#define FRAME           0xF1FA

/** codec magics */
#define FLI_COLOR       11
#define FLI_BLACK       13
#define FLI_BRUN        15
#define FLI_COPY        16
#define FLI_LC          12
#define FLI_LC_2        7
#define FLI_COLOR_2     4
#define FLI_MINI        18

/** codec masks */
#define W_COLOR         0x0001
#define W_BLACK         0x0002
#define W_BRUN          0x0004
#define W_COPY          0x0008
#define W_LC            0x0010
#define W_LC_2          0x0020
#define W_COLOR_2       0x0040
#define W_MINI          0x0080
#define W_ALL           0xFFFF

/** functions */
void fli_read_header(FILE *f, s_fli_header *fli_header);
void fli_read_frame(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *old_cmap, unsigned char *framebuf, unsigned char *cmap);

void fli_read_color(FILE *f, s_fli_header *fli_header, unsigned char *old_cmap, unsigned char *cmap);
void fli_read_color_2(FILE *f, s_fli_header *fli_header, unsigned char *old_cmap, unsigned char *cmap);
void fli_read_black(FILE *f, s_fli_header *fli_header, unsigned char *framebuf);
void fli_read_brun(FILE *f, s_fli_header *fli_header, unsigned char *framebuf);
void fli_read_copy(FILE *f, s_fli_header *fli_header, unsigned char *framebuf);
void fli_read_lc(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *framebuf);
void fli_read_lc_2(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *framebuf);

void fli_write_header(FILE *f, s_fli_header *fli_header);
void fli_write_frame(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *old_cmap, unsigned char *framebuf, unsigned char *cmap, unsigned short codec_mask);

int fli_write_color(FILE *f, s_fli_header *fli_header, unsigned char *old_cmap, unsigned char *cmap);
int fli_write_color_2(FILE *f, s_fli_header *fli_header, unsigned char *old_cmap, unsigned char *cmap);
void fli_write_black(FILE *f, s_fli_header *fli_header, unsigned char *framebuf);
void fli_write_brun(FILE *f, s_fli_header *fli_header, unsigned char *framebuf);
void fli_write_copy(FILE *f, s_fli_header *fli_header, unsigned char *framebuf);
void fli_write_lc(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *framebuf);
void fli_write_lc_2(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *framebuf);

#endif
