image.h

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/*
 * Copyright (C) 2006  Lab. Visgraf/IMPA and AnimaMundi
 * 
 * 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.
 * 
*/

#ifndef IMAGE_H
#define IMAGE_H

#include "aux.h"

#define IMG_MONOCOL 0
#define IMG_MAPPCOL 1
#define IMG_TRUECOL 2

#define IMG_DV_W 720
#define IMG_DV_H 480

typedef unsigned char Byte;

typedef struct Bcolor {
  Byte z, y, x;
} Bcolor;

typedef struct CMap {
  Byte r[256];
  Byte g[256];
  Byte b[256];
} CMap;

typedef struct Image {
  int type;
  int w, h;
  CMap  *m;
  union {
    Byte   *b;
    Bcolor *c;
  } u;
} Image;

#define img_type(_) (_)->type
#define img_cmap(_) (_)->m

Image *img_create(int type, int w, int h);
void  img_clear(Image *i, Color c);
Image *img_read(char *fname);
void  img_write(Image *i, char *fname, int cflag);

void  img_puti(Image *i, int u, int v, int c);
int   img_geti(Image *i, int u, int v);

void  img_putc(Image *i, int u, int v, Color c);
Color img_getc(Image *i, int u, int v);

void img_free(Image *i);

void  cmap_read(CMap *m, int maplength, int fd);

#endif

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