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Aminet 5
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Aminet 5 - March 1995.iso
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gfx
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pbm
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hpcdtoppm_0_6.lha
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hpcdtoppm.0.6
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src
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hpcdtoppm.h
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C/C++ Source or Header
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1994-10-08
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6KB
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250 lines
/* hpcdtoppm (Hadmut's pcdtoppm) v0.6
* Copyright (c) 1992, 1993, 1994 by Hadmut Danisch (danisch@ira.uka.de).
* Permission to use and distribute this software and its
* documentation for noncommercial use and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. It is not allowed to sell this software in
* any way. This software is not public domain.
*/
#include <stdio.h>
#include <string.h>
/* #include <malloc.h> */ /* not needed on the Amiga */
#include <sys/types.h>
#include <ctype.h>
#include "config.h"
/* Format definitions */
#define BaseW ((dim)768)
#define BaseH ((dim)512)
#define SECSIZE 0x800
#define SeHead 2
#define L_Head (1+SeHead)
#define SeBase16 18
#define L_Base16 (1+SeBase16)
#define SeBase4 72
#define L_Base4 (1+SeBase4)
#define SeBase 288
#define L_Base (1+SeBase)
#define neutrLum 128
#define neutrCh1 156
#define neutrCh2 137
/* Structures and definitions */
struct _implane
{dim mwidth,mheight,
iwidth,iheight;
uBYTE *im,*mp;
};
typedef struct _implane implane;
#define nullplane ((implane *) 0)
struct _sizeinfo
{dim w,h; /* Image Resolution */
dim rdhoff,rdhlen, rdvoff, rdvlen; /* Size of Image in Memory */
dim imhoff,imhlen, imvoff, imvlen; /* Real Size of Image */
};
typedef struct _sizeinfo sizeinfo;
/* Definitions for 64Base */
struct file32 { uBYTE x1,x2,x3,x4;};
struct file16 { uBYTE x1,x2;};
#define FILE32(x) ( (((uINT)x.x1)<<24) | (((uINT)x.x2)<<16) | (((uINT)x.x3)<<8) | (uINT)x.x4 )
#define FILE16(x) ( (((uINT)x.x1)<<8) | (uINT)x.x2 )
struct ic_header {char ic_name[0x28];
struct file16 val1;
struct file16 val2;
struct file32 off_descr;
struct file32 off_fnames;
struct file32 off_pointers;
struct file32 off_huffman;
};
struct ic_descr {struct file16 len;
uBYTE color;
uBYTE fill; /* Don't know */
struct file16 width;
struct file16 height;
struct file16 offset;
struct file32 length;
struct file32 off_pointers;
struct file32 off_huffman;
};
struct ic_fname {char fname[12];
struct file32 size;
};
struct ic_entry {struct file16 fno;
struct file32 offset;
};
enum TURNS { T_UNSPEC,T_NONE,T_RIGHT,T_LEFT,T_HEAD,T_AUTO };
enum SIZES { S_UNSPEC,S_Base16,S_Base4,S_Base,S_4Base,S_16Base,S_64Base,S_Over,S_Contact };
enum OUTFOR { O_UNSPEC,O_PPM,O_PGM,O_YCC,O_PS,O_EPS,O_PSG,O_EPSG,O_PSD,O_EPSD,O_JPEG };
enum CORR { C_UNSPEC,C_LINEAR,C_DARK,C_BRIGHT };
enum ERRORS { E_NONE,E_READ,E_WRITE,E_INTERN,E_ARG,E_OPT,E_MEM,E_HUFF,
E_SEQ,E_SEQ1,E_SEQ2,E_SEQ3,E_SEQ4,E_SEQ5,E_SEQ6,E_SEQ7,E_POS,E_IMP,E_OVSKIP,
E_TAUTO,E_TCANT,E_SUBR,E_PRPAR,E_CONFIG,E_FOPEN };
/**** Macros ****/
#ifdef DEBUG
#define RPRINT {fprintf(stderr,"R-Position %x\n",bufpos);}
#else
#define RPRINT
#endif
#define melde(x) {if (do_melde) fprintf(stderr,x);}
#define READBUF READ(sbuffer,sizeof(sbuffer))
#define EREADBUF {if(READBUF < 1) error(E_READ);}
#define SKIP(p) { if (SKIPn(p)) error(E_READ);}
#define SKIPr(p) { if (SKIPn(p)) return(E_READ);}
#define TRIF(x,u,o,a,b,c) ((x)<(u)? (a) : ( (x)>(o)?(c):(b) ))
#define xNORM(x) x=TRIF(x,0,255,0,x,255)
#define NORM(x) { if(x<0) x=0; else if (x>255) x=255;}
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
/* main.c */
extern void close_all(void);
extern char *ppmname,*pcdname;
extern sINT do_diff,do_info,do_sharp,do_overskip,monochrome;
extern sINT do_melde,do_rep,do_crop;
extern sINT flvert,flhori;
extern uBYTE sbuffer[SECSIZE];
extern enum TURNS turn;
extern enum SIZES size;
extern enum OUTFOR outfor;
extern enum CORR corrmode;
extern void SEEK(int);
extern int SKIPn(int);
extern int READ(uBYTE *,int);
extern sINT bufpos;
/* error.c */
extern void eerror(enum ERRORS,char *, int);
/* color.c */
extern void colconvert(sizeinfo *,implane *,implane *,implane *);
/* tools.c */
extern void clearimpl(implane *,sINT);
extern void halve(implane *);
extern void interpolate(implane *);
extern sINT Skip4Base(void);
extern void planealloc(implane *,dim,dim);
extern void pastein(implane *,dim,dim,dim,dim,implane *, enum TURNS);
extern void cropit(sizeinfo *,implane *,implane *,implane *);
extern void shrink(sizeinfo *,implane *,implane *,implane *);
extern void typecheck(void);
/* format.c */
extern void readhqt(sINT);
extern void readhqtx(sINT);
extern void decode(sizeinfo *,int,implane *,implane *,implane *,sINT);
extern void decodex(FILE **,int tag,struct ic_descr *,sizeinfo *,int,implane *,sINT);
extern enum ERRORS readplain(sizeinfo *,int,implane *,implane *,implane *);
/* Type definitions for output format drives, used in output.c and the drivers */
typedef void (OUT1PL)(FILE *,dim,dim, uBYTE *,sdim,sdim);
typedef void (OUT3PL)(FILE *,dim,dim, uBYTE *,sdim,sdim, uBYTE *,sdim,sdim, uBYTE *,sdim,sdim);
/* output.c */
extern void writepicture(FILE *,sizeinfo *,implane *,implane *,implane *,enum TURNS);
extern void druckeid(void);
/* ppm.c */
extern OUT3PL write_ppm;
extern OUT1PL write_pgm;
/* postscr.c */
extern OUT3PL write_epsrgb,write_psrgb;
extern OUT1PL write_epsgrey,write_psgrey,write_epsdith,write_psdith;
extern FLTPT PAPER_LEFT,PAPER_BOTTOM,PAPER_WIDTH,PAPER_HEIGHT,PRINTER_XDPI,PRINTER_YDPI,PRINTER_FAK;
extern sINT PSIZE_SET,DPI_SET,FAK_SET;
/* jpeg.c */
extern OUT3PL write_jpeg;
extern FLTPT JPEG_QUALITY;
extern sINT QUALITY_SET;
extern FLTPT JPEG_MAXMEMORY;
extern sINT MAXMEMORY_SET;
extern sINT OPTIMIZE_JPEG;