/*
 * Portions of this file are copyright Rebirth contributors and licensed as
 * described in COPYING.txt.
 * Portions of this file are copyright Parallax Software and licensed
 * according to the Parallax license below.
 * See COPYING.txt for license details.

THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/
/*
 *
 * Routines to read/write pcx images.
 *
 */

#pragma once

#include "pstypes.h"
#include "dxxsconf.h"
#include "dsx-ns.h"
#include "fwd-gr.h"

namespace dcx {
struct palette_array_t;
}

#define PCX_ERROR_NONE          0
#define PCX_ERROR_OPENING       1
#define PCX_ERROR_NO_HEADER     2
#define PCX_ERROR_WRONG_VERSION 3
#define PCX_ERROR_READING       4
#define PCX_ERROR_NO_PALETTE    5
#define PCX_ERROR_WRITING       6
#define PCX_ERROR_MEMORY        7

#if defined(DXX_BUILD_DESCENT_I)
namespace dsx {
// Load bitmap for little-known 'baldguy' cheat.
extern int bald_guy_load(const char *filename, grs_bitmap *bmp, palette_array_t &palette);
}
#endif

namespace dcx {

// Reads filename into bitmap bmp, and fills in palette.  If bmp->bm_data==NULL,
// then bmp->bm_data is allocated and the w,h are filled.
// If palette==NULL the palette isn't read in.  Returns error code.

int pcx_read_bitmap(const char * filename, grs_main_bitmap &bmp, palette_array_t &palette);

// Writes the bitmap bmp to filename, using palette. Returns error code.

int pcx_write_bitmap(const char *filename, const grs_bitmap *bmp, palette_array_t &palette);

extern const char *pcx_errormsg(int error_number);

}