/*
 * qnt.h  extract QNT cg
 *
 * Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
 *               1998-                           <masaki-c@is.aist-nara.ac.jp>
 *               2019 Nunuhara Cabbage           <nunuhara@haniwa.technology>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * @version 1.0     01/07/30 initial version
 * @version 1.1     01/11/28 add header size information
 */

#ifndef SYSTEM4_QNT_H
#define SYSTEM4_QNT_H

#include <stdbool.h>
#include <stdint.h>

struct cg;
struct cg_metrics;

struct qnt_header {
	int hdr_size;     // header size
	int x0;           // display location x
	int y0;           // display location y
	int width;        // image width
	int height;       // image height
	int bpp;          // image data depth
	int rsv;          // reserved data
	int pixel_size;   // compressed pixel size
	int alpha_size;   // compressed alpha pixel size
};

bool qnt_checkfmt(const uint8_t *data);
bool qnt_get_metrics(uint8_t *data, struct cg_metrics *dst);
void qnt_extract(uint8_t *data, struct cg *cg);

#endif /* SYSTEM4_QNT_H */