/*
	tga.h

	targa image hangling

	Copyright (C) 1996-1997  Id Software, Inc.

	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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/

#ifndef __tga_h
#define __tga_h

#include "gcc_attr.h"
#include "qtypes.h"

#ifndef __GNUC__
# if defined (__DECC) && defined (__ALPHA)
//  uses __unaligned
# else
#  define __unaligned
#  if defined (__BORLANDC__) || defined (_MSC_VER)
#   if (defined(__BORLANDC__) && (__BORLANDC__ < 0x550))
#    pragma option -a1
#   else
#    pragma pack(push, tgainclude)
#    pragma pack(1)
#   endif
#  else
#   error do some data packing magic here (#pragma pack?)
#  endif
# endif
#else
# define __unaligned
#endif

typedef struct _TargaHeader {
	unsigned char id_length __attribute__((packed));
	unsigned char colormap_type __attribute__((packed));
	unsigned char image_type __attribute__((packed));
	__unaligned unsigned short colormap_index __attribute__((packed));
	__unaligned unsigned short colormap_length __attribute__((packed));
	unsigned char colormap_size __attribute__((packed));
	__unaligned unsigned short x_origin __attribute__((packed));
	__unaligned unsigned short y_origin __attribute__((packed));
	__unaligned unsigned short width __attribute__((packed));
	__unaligned unsigned short height __attribute__((packed));
	unsigned char pixel_size __attribute__((packed));
	unsigned char attributes __attribute__((packed));
} TargaHeader;

#if defined (__BORLANDC__) || defined (_MSC_VER)
# if (defined(__BORLANDC__) && (__BORLANDC__ < 0x550))
#  pragma option -a4
# else
#  pragma pack(pop, tgainclude)
# endif
#endif

byte *LoadTGA (QFile *fin);
void WriteTGAfile (const char *tganame, byte *data, int width, int height);

#endif // __tga_h