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70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
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* pms.h extract 8/16 bit PMS cg
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* @version 1.1 00/09/17 rewrite for changeing interface
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*/
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/* $Id: pms.h,v 1.1 2000/09/20 10:33:17 chikama Exp $ */
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#ifndef __PMS__
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#define __PMS__
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#include "portab.h"
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#include "cg.h"
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typedef struct {
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int pmsVer; /* pms data version */
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int pmsHdrSize; /* size of header */
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int pmsBpp; /* pms data depth, 8 or 16 */
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int pmsBppS; /* shadow data depth, if exists */
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int pmsSf; /* sprite flag (not used?) */
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int pmsBf; /* pallet bank */
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int pmsX0; /* display location x */
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int pmsY0; /* display location y */
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int pmsXW; /* image width */
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int pmsYW; /* image height */
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int pmsDp; /* pointer to data */
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int pmsPp; /* pointer to pallet or shadow */
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int pmsCp; /* pointer to comment */
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} pms_header;
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/*
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* pmsBppS
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* If pmsBpp is 16 and pmsPp is not 0, shadow (alpha data) is exists and
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* pmsBppS shows shadow's depth (normally 8).
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*
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* pmsBf
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* If pmsBpp is 8, pmsBf determine which pallets is used in this data and
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* needed to copy. The pmsBf is mask and if bit is on then copy.
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* For example, if pmsBf=0xff00, then copy pal[128] ~ pal[255].
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*
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* pmsPp
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* If pmsBpp is 8 then this is pointer to pallet. If pmsBpp is 16 and
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* pmsPp is not 0, then shadow is exists and this is pointer to it's data.
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*
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*/
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extern boolean pms256_checkfmt(BYTE *data);
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extern cgdata *pms256_extract(BYTE *data);
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extern boolean pms64k_checkfmt(BYTE *data);
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extern cgdata *pms64k_extract(BYTE *data);
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extern cgdata *pms_getpal(BYTE *data);
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#endif /* !__PMS__ */
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