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/*
* cg.c DLLѤ CG surface Ÿ
*
* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
* 1998- <masaki-c@is.aist-nara.ac.jp>
*
* 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
*
*/
/* $Id: cg.c,v 1.2 2003/04/22 16:29:52 chikama Exp $ */
#include "config.h"
#include <stdio.h>
#include <glib.h>
#include "portab.h"
#include "system.h"
#include "surface.h"
#include "cg.h"
#include "ags.h"
#include "pms.h"
#include "qnt.h"
#include "ngraph.h"
#include "dri.h"
#include "ald_manager.h"
/**
* ХåեΥǡɤCGǽοХȤߤƥå
*
* @param data: ǡ
* @return CGμ(QNT/PMS8/PMS16Τ줫)
*/
static CG_TYPE check_cgformat(BYTE *data) {
if (qnt_checkfmt(data)) {
return ALCG_QNT;
} else if (pms256_checkfmt(data)) {
return ALCG_PMS8;
} else if (pms64k_checkfmt(data)) {
return ALCG_PMS16;
}
return ALCG_UNKNOWN;
}
/**
* եɤ߹CGǡsurfaceŸ
*
* @param b: ǡ
* @return CG Ÿ줿 surface
* ̤ΤηΤȤ NULL ֤
*/
surface_t *sf_getcg(void *b) {
surface_t *sf = NULL;
int type;
cgdata *cg = NULL;
type = check_cgformat(b);
switch(type) {
case ALCG_PMS8:
cg = pms256_extract(b);
break;
case ALCG_PMS16:
cg = pms64k_extract(b);
break;
case ALCG_QNT:
cg = qnt_extract(b);
break;
default:
break;
}
if (cg == NULL) {
WARNING("Unknown Cg Type\n");
return NULL;
}
switch(type) {
case ALCG_PMS8:
sf = sf_create_alpha(cg->width, cg->height);
gr_draw_amap(sf, cg->x, cg->y, cg->pic, cg->width, cg->height, cg->width);
break;
case ALCG_PMS16:
if (cg->alpha) {
sf = sf_create_surface(cg->width, cg->height, sf0->depth);
gr_drawimage16(sf, cg, cg->x, cg->y);
gr_draw_amap(sf, cg->x, cg->y, cg->alpha, cg->width, cg->height, cg->width);
} else {
sf = sf_create_pixel(cg->width, cg->height, sf0->depth);
gr_drawimage16(sf, cg, cg->x, cg->y);
}
break;
case ALCG_QNT:
if (cg->alpha) {
sf = sf_create_surface(cg->width, cg->height, sf0->depth);
gr_drawimage24(sf, cg, cg->x, cg->y);
gr_draw_amap(sf, cg->x, cg->y, cg->alpha, cg->width, cg->height, cg->width);
} else {
sf = sf_create_pixel(cg->width, cg->height, sf0->depth);
gr_drawimage24(sf, cg, cg->x, cg->y);
}
break;
}
if (cg->pic) g_free(cg->pic);
if (cg->pal) g_free(cg->pal);
if (cg->alpha) g_free(cg->alpha);
g_free(cg);
return sf;
}
/**
* ALDե뤫ֹCGɤ߹ surfaceŸ
*
* @param no: եֹ (0-)
* @return CGŸ줿 surface
*/
surface_t *sf_loadcg_no(int no) {
dridata *dfile;
surface_t *sf;
if (NULL == (dfile = ald_getdata(DRIFILE_CG, no))) {
return NULL;
}
sf = sf_getcg(dfile->data);
ald_freedata(dfile);
return sf;
}
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