310 lines
12 KiB
C
310 lines
12 KiB
C
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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/* Copyright (C) Electronic Arts Canada Inc. 1994-1998. All rights reserved. */
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/* ABSTRACT
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gimex.h - Graphics IMport EXport (GIMEX) v2.26
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@ */
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#ifndef __GIMEX_H
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#define __GIMEX_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GimexVersion "2.26"
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/****************************************************************************/
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/* Data Types */
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/****************************************************************************/
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/* ARGB structure used for palettes/pixels */
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#ifndef _ARGB_T
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#define _ARGB_T
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#if defined(_MSC_VER) || defined(__WATCOMC__) || defined(PSX) || defined(DC)
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typedef struct
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{
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unsigned char b,g,r,a;
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} ARGB;
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#elif defined(SGI)
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typedef struct
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{
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unsigned char a,b,g,r;
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} ARGB;
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#else /* Mac */
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typedef struct
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{
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unsigned char a,r,g,b;
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} ARGB;
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#endif
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#endif
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/* Info structure describing bitmaps */
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#define GIMEX_FRAMENAME_SIZE 32
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#define GIMEX_COMMENT_SIZE 256
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#define GIMEX_COLOURTBL_SIZE 256
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#define GIMEX_HOTSPOTTBL_SIZE 256
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#define GIMEX_HOTSPOTTBL_VALUES 2
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typedef struct
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{
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long signature; /* signature of gimex ie 'tga ' (optional) */
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long size; /* size of GINFO structure */
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int version; /* version number of GINFO structure (200) */
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int framenum; /* current frame */
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int width; /* width of bitmap in pixels */
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int height; /* height of bitmap in pixels */
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int bpp; /* bits per pixel (8 or 32) */
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int originalbpp; /* bits per pixel in original image (1 to 32) */
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int startcolour; /* first colour in palette */
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int numcolours; /* number of colours in original indexed palette */
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ARGB colourtbl[GIMEX_COLOURTBL_SIZE]; /* 8 bit palette */
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int subtype; /* internal format sub-type 0-default */
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int packed; /* type of packing on original image. 0 none, 1 run, n other */
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int quality; /* quality of lossy packing 0..100 */
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int framesize; /* size of frame in bytes */
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int alphabits; /* number of bits in alpha channel */
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int redbits; /* number of bits in red channel */
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int greenbits; /* number of bits in green channel */
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int bluebits; /* number of bits in blue channel */
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int centerx; /* center point relative to upper left corner */
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int centery;
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int defaultx; /* default coordinate point */
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int defaulty;
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int numhotspots; /* number of hot spots defined */
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char framename[GIMEX_FRAMENAME_SIZE]; /* null terminated name of frame/image */
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char comment[GIMEX_COMMENT_SIZE]; /* null terminated multiline user comment */
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int hotspottbl[GIMEX_HOTSPOTTBL_SIZE][GIMEX_HOTSPOTTBL_VALUES];/* up to 256 hot spots, XY pairs relative to upperleft */
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float dpi; /* dots per inch ie 72.0 */
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int reserved[3]; /* reserved for future use - set to zero */
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} GINFO;
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#ifndef _GSTREAM_T
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#define _GSTREAM_T GIMEX
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typedef void GSTREAM; /* handle used for file functions */
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#endif
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typedef struct
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{
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long signature; /* signature of gimex ie 'tga ' (optional) */
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long size; /* size of GINSTANCE structure */
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int frames; /* Number of frames in file */
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int framenum; /* current frame (optional) */
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GSTREAM *gstream; /* stream pointer for file */
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char *gref; /* gimex reference to additional memory used by module (optional) */
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} GINSTANCE;
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/* Info structure describing bitmaps */
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#define MAXMACTYPES 8
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#define MAXEXTENSIONS 8
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#define GIMEX_EXTENSION_SIZE 8
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#define GIMEX_AUTHORSTR_SIZE 32
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#define GIMEX_VERSIONSTR_SIZE 8
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#define GIMEX_SHORTTYPESTR_SIZE 8
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#define GIMEX_WORDTYPESTR_SIZE 16
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#define GIMEX_LONGTYPESTR_SIZE 32
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typedef struct
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{
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long signature; /* signature of gimex ie 'tga ' (optional) */
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long size; /* size of GABOUT structure */
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int version; /* version number of GABOUT structure (200) */
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unsigned int canimport :1; /* supports importing */
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unsigned int canexport :1; /* supports exporting */
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unsigned int importpacked :2; /* max import packed field 0..3 */
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unsigned int exportpacked :2; /* max export packed field 0..3 */
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unsigned int import8 :1; /* supports importing 8 bit indexed */
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unsigned int export8 :1; /* supports exporting 8 bit indexed */
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unsigned int import32 :1; /* supports importing 32 bit direct rgb */
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unsigned int export32 :1; /* supports exporting 32 bit direct rgb */
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unsigned int multiframe :1; /* supports multiple frames */
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unsigned int multifile :1; /* format requires additional files or resource fork */
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unsigned int multisize :1; /* supports different size per frame */
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unsigned int framebuffer :1; /* module requires memory to buffer entire frame */
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unsigned int external :1; /* module requires external tool or plugin */
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unsigned int usesfile :1; /* module is file based vs ads/printer/generator */
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unsigned int singlepalette :1; /* limited to a single palette per file */
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unsigned int greyscale :1; /* use maxcolours for number of levels */
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unsigned int startcolour :1; /* supports start colour */
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unsigned int dotsubtype :1; /* subtype based on extension */
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unsigned int resizable :1; /* read will respect ginfo width & height */
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unsigned int pad :11; /* pad bitfield to 32 bit boundary for inter compiler compatibility */
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int maxcolours; /* only use in 8 bit, 0 if module does not care */
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int maxframename; /* maximum characters in ginfo framename */
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int defaultquality; /* default pack quality */
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long mactype[MAXMACTYPES]; /* mac file system types used */
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char extensions[MAXEXTENSIONS][GIMEX_EXTENSION_SIZE]; /* null terminated extensions with '.' */
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char authorstr[GIMEX_AUTHORSTR_SIZE]; /* name of gimex module author */
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char versionstr[GIMEX_VERSIONSTR_SIZE]; /* version number of gimex module ie 1.00 */
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char shorttypestr[GIMEX_SHORTTYPESTR_SIZE]; /* 3 or 4 character type string ie TGA */
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char wordtypestr[GIMEX_WORDTYPESTR_SIZE]; /* single word type string ie Targa */
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char longtypestr[GIMEX_LONGTYPESTR_SIZE]; /* full name of data format ie True Vision Targa */
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} GABOUT;
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/* Bitmap structure (optional) */
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typedef struct
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{
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GINFO *ginfo;
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char *image;
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int rowbytes;
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} GBITMAP;
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#define GMAKEID(a,b,c,d) (((long)(a)<<24)|((long)(b)<<16)|((long)(c)<<8)|(long)(d))
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#ifndef gmin
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#define gmin(a,b) ((a)<(b)?(a):(b))
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#endif
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#ifndef gmax
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#define gmax(a,b) ((a)>(b)?(a):(b))
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#endif
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#if !defined(GCALL)
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#if defined(_MSC_VER) || defined(__WATCOMC__)
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#define GCALL __stdcall
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#else
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#define GCALL
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#endif
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#endif
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/* disable unreferenced parameters warnings */
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#if defined(__WATCOMC__)
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#pragma warning 202 999999
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#endif
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#if defined(_MSC_VER)
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#pragma warning(disable : 4100)
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#endif
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#if 0
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/****************************************************************************/
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/* Gimex Module Example Prototypes */
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/****************************************************************************/
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/* Example Information Functions */
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GABOUT * GCALL aboutbmp(void);
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int GCALL isbmp(GSTREAM *g);
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/* Example Import Functions */
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int GCALL openbmp(GINSTANCE **gx, GSTREAM *g, char *pathname);
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GINFO * GCALL infobmp(GINSTANCE *gx, int framenum);
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int GCALL readbmp(GINSTANCE *gx, GINFO *ginfo, char *dest, int rowbytes);
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int GCALL closebmp(GINSTANCE *gx);
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/* Example Export Functions */
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int GCALL wopenbmp(GINSTANCE **gx, GSTREAM *g, char *pathname, int numframes);
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int GCALL writebmp(GINSTANCE *gx, GINFO *ginfo, char *source, int rowbytes);
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int GCALL wclosebmp(GINSTANCE *gx);
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#endif
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/****************************************************************************/
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/* Application Module Prototypes */
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/****************************************************************************/
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/* File Stream Functions */
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GSTREAM * GCALL gopen(const char *pathname);
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GSTREAM * GCALL gwopen(const char *pathname);
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int GCALL gclose(GSTREAM *g);
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int GCALL gread(GSTREAM *g, void *buf, long size);
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int GCALL gwrite(GSTREAM *g, void *buf, long size);
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int GCALL gseek(GSTREAM *g, long offset);
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long GCALL glen(GSTREAM *g);
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long GCALL gtell(GSTREAM *g);
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/* Memory Functions */
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void * GCALL galloc(long size);
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int GCALL gfree(void *memptr);
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void gputm(void *memptr, unsigned long val, int numbytes);
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void gputi(void *memptr, unsigned long val, int numbytes);
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unsigned long ggetm(void *memptr, int numbytes);
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unsigned long ggeti(void *memptr, int numbytes);
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/****************************************************************************/
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/* Watcom Memory Functions */
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/****************************************************************************/
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#if defined(__WATCOMC__) && !defined(__NOINLINE__)
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#pragma aux ggeti = \
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"mov eax,[eax+ecx-4]" \
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"neg ecx" \
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"lea ecx,32[ecx*8]" \
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"shr eax,cl" \
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parm [eax] [ecx] \
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modify [eax ecx] \
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value [eax];
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#pragma aux ggetm = \
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".586" \
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"mov eax,[eax]" \
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"bswap eax" \
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"neg ecx" \
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"lea ecx,32[ecx*8]" \
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"shr eax,cl" \
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parm [eax] [ecx] \
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modify [eax ecx] \
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value [eax];
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unsigned long bswap(unsigned long val);
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#pragma aux bswap = "bswap eax" parm [eax] modify [eax] value [eax];
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#define gputm(putmdest,putmdata,putmbytes) \
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(((int)(putmbytes)==4) ? ((void)(*((unsigned long *) (putmdest)) = bswap((unsigned long)(putmdata)))) \
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: (((int)(putmbytes)==1) ? ((void)(*((unsigned char *) (putmdest)) = (unsigned char)(putmdata))) \
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: (((int)(putmbytes)==2) ? ((void)(*((unsigned short *) (putmdest)) = (unsigned short)(bswap((unsigned long)(putmdata))>>16))) \
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: (((int)(putmbytes)==3) ? ((void)(*((unsigned char *) (putmdest)+2) = (unsigned char)(putmdata)),(void)(*((unsigned short *) (putmdest)) = (unsigned short)(bswap((unsigned long)(putmdata))>>8))) \
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: (void)0))))
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#define gputi(putidest,putidata,putibytes) \
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(((int)(putibytes)==4) ? ((void)(*((unsigned long *) (putidest)) = ((unsigned long)(putidata)))) \
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: (((int)(putibytes)==1) ? ((void)(*((unsigned char *) (putidest)) = (unsigned char)(putidata))) \
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: (((int)(putibytes)==2) ? ((void)(*((unsigned short *) (putidest)) = (unsigned short)(putidata))) \
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: (((int)(putibytes)==3) ? ((void)(*((unsigned short *) (putidest)) = (unsigned short)(putidata)),(void)(*((unsigned char *) (putidest)+2) = (unsigned char)((unsigned long)(putidata)>>16))) \
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: (void)0))))
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#endif /* __WATCOMC__ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GIMEX_H */
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/* END ABSTRACT */
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