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/* RCSid: $Id: meta.h,v 1.9 2003/11/15 02:13:37 schorsch Exp $ */
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/*
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* Standard meta-file definitions and limits
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*/
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#ifndef _RAD_META_H_
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#define _RAD_META_H_
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#include "copyright.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "rterror.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TRUE 1
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#define FALSE 0
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#define PEOF 'F' /* end of file global */
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#define PEOP 'E' /* end of page global */
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#define PPAUS 'P' /* pause global */
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#define PDRAW 'D' /* draw global */
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#define POPEN 'O' /* open segment */
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#define PCLOSE 'C' /* close segment */
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#define PSET 'S' /* set global */
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#define PUNSET 'U' /* unset global */
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#define PRESET 'R' /* reset global to default */
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#define PINCL 'I' /* include file */
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#define PLSEG 'l' /* line segment command */
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#define PRFILL 'r' /* rectangle fill command */
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#define PTFILL 't' /* triangle fill command */
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#define PMSTR 'm' /* matrix string command */
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#define PVSTR 'v' /* vector string command */
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#define PSEG 's' /* print segment command */
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#define PPFILL 'p' /* polygon fill command */
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#define NCOMMANDS 17 /* number of commands */
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#define COML "lrtmsvpOCESURPDIF" /* command letters */
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#define ADELIM '`' /* additional argument delimiter */
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#define CDELIM '#' /* comment delimiter */
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#define MAXARGS 2048 /* maximum argument string for primitive */
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#define SALL 0 /* set all */
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#define SPAT0 04 /* set pattern 0 */
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#define SPAT1 05 /* set pattern 1 */
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#define SPAT2 06 /* set pattern 2 */
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#define SPAT3 07 /* set pattern 3 */
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#ifdef _WIN32 /* XXX */
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#define MDIR "C:\\tmp\\" /* XXX we just need something to compile for now */
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#define TTY "CON:" /* XXX this probably doesn't work */
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#define TDIR "C:\\tmp\\" /* XXX we just need something to compile for now */
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#else /* XXX */
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#define TDIR "/tmp/" /* directory for temporary files */
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#ifndef MDIR
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#define MDIR "/usr/local/lib/meta/" /* directory for metafiles */
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#endif
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#define TTY "/dev/tty" /* console name */
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#endif
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#define MAXFNAME 64 /* maximum file name length */
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#define XYSIZE (1<<14) /* metafile coordinate size */
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#ifndef max
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#define max(x, y) ((x) > (y) ? (x) : (y))
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#endif
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#ifndef min
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#define min(x, y) ((x) < (y) ? (x) : (y))
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#endif
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#define abs(x) ((x) < 0 ? -(x) : (x))
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#define iscom(c) (comndx(c) != -1)
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#define isglob(c) isupper(c)
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#define isprim(c) islower(c)
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#define WIDTH(wspec) ((wspec)==0 ? 0 : 12*(1<<(wspec)))
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#define CONV(coord, size) ((int)(((long)(coord)*(size))>>14))
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#define ICONV(dcoord, size) ((int)(((long)(dcoord)<<14)/(size)))
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#define XMN 0 /* index in xy array for xmin */
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#define YMN 1 /* index in xy array for ymin */
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#define XMX 2 /* index in xy array for xmax */
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#define YMX 3 /* index in xy array for ymax */
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/*
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* Structure definitions for primitives
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*/
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struct primitive { /* output primitive */
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short com, /* command (0 - 127) */
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arg0; /* first argument (1 byte) */
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int xy[4]; /* extent=(xmin,ymin,xmax,ymax) */
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char *args; /* additional arguments */
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struct primitive *pnext; /* next primitive */
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};
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typedef struct primitive PRIMITIVE;
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struct plist { /* list of primitives */
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PRIMITIVE *ptop, *pbot;
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};
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typedef struct plist PLIST;
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/*
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* External declarations
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*/
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char *savestr();
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PRIMITIVE *pop();
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FILE *efopen(), *mfopen();
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extern char coms[];
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extern char errmsg[];
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extern char *progname;
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/* expand.c */
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extern void expand(FILE *infp, short *exlist);
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/* palloc.c */
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extern PRIMITIVE *palloc(void);
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extern void pfree(PRIMITIVE *p);
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extern void plfree(PLIST *pl);
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/* sort.c */
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extern void sort(FILE *infp, int (*pcmp)());
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extern void pmergesort(FILE *fi[], int nf, PLIST *pl, int (*pcmp)(), FILE *ofp);
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/* metacalls.c */
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extern void mdraw(int x, int y);
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extern void msegment(int xmin, int ymin, int xmax, int ymax, char *sname,
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int d, int thick, int color);
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extern void mvstr(int xmin, int ymin, int xmax, int ymax, char *s,
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int d, int thick, int color);
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extern void mtext(int x, int y, char *s, int cpi, int color);
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extern void mpoly(int x, int y, int border, int pat, int color);
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extern void mtriangle(int xmin, int ymin, int xmax, int ymax,
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int d, int pat, int color);
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extern void mrectangle(int xmin, int ymin, int xmax, int ymax,
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int pat, int color);
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extern void mline(int x, int y, int type, int thick, int color);
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extern void mcloseseg(void);
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extern void mopenseg(char *sname);
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extern void msetpat(int pn, char *pat);
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extern void minclude(char *fname);
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extern void mdone(void);
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extern void mendpage(void);
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/* misc.c */
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extern int comndx(int c);
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extern PRIMITIVE *pop(PLIST *pl);
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extern void push(PRIMITIVE *p, PLIST *pl);
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extern void add(PRIMITIVE *p, PLIST *pl);
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extern void append(PLIST *pl1, PLIST *pl2);
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extern void fargs(PRIMITIVE *p);
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extern char * nextscan(char *start, char *format, char *result);
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extern void mcopy(char *p1, char *p2, int n);
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/* segment.c */
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extern int inseg(void);
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extern void closeseg(void);
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extern void openseg(char *name);
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extern void segprim(PRIMITIVE *p);
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extern void segment(PRIMITIVE *p, void (*funcp)(PRIMITIVE *p));
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extern int xlate(short extrema, PRIMITIVE *p, PRIMITIVE *px);
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/* cgraph.c */
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extern void cgraph(int width, int length);
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extern void cplot(void);
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extern void cpoint(int c, double x, double y);
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/* gcalc.c */
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extern void gcalc(char *types);
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/* hfio.c, mfio.c */
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extern int readp(PRIMITIVE *p, FILE *fp);
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extern void writep(PRIMITIVE *p, FILE *fp);
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extern void writeof(FILE *fp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RAD_META_H_ */
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