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root/radiance/ray/src/meta/meta.h
Revision: 1.10
Committed: Mon Mar 22 02:24:23 2004 UTC (20 years ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad4R2P2, rad5R0, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1
Changes since 1.9: +2 -2 lines
Log Message:
Increased MAXARGS from 512 to 2048 & undid previous change to metacalls.c

File Contents

# Content
1 /* RCSid: $Id: meta.h,v 1.9 2003/11/15 02:13:37 schorsch Exp $ */
2 /*
3 * Standard meta-file definitions and limits
4 */
5 #ifndef _RAD_META_H_
6 #define _RAD_META_H_
7
8 #include "copyright.h"
9
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <ctype.h>
13
14 #include "rterror.h"
15
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19
20 #define TRUE 1
21 #define FALSE 0
22
23 #define PEOF 'F' /* end of file global */
24 #define PEOP 'E' /* end of page global */
25 #define PPAUS 'P' /* pause global */
26 #define PDRAW 'D' /* draw global */
27 #define POPEN 'O' /* open segment */
28 #define PCLOSE 'C' /* close segment */
29 #define PSET 'S' /* set global */
30 #define PUNSET 'U' /* unset global */
31 #define PRESET 'R' /* reset global to default */
32 #define PINCL 'I' /* include file */
33
34 #define PLSEG 'l' /* line segment command */
35 #define PRFILL 'r' /* rectangle fill command */
36 #define PTFILL 't' /* triangle fill command */
37 #define PMSTR 'm' /* matrix string command */
38 #define PVSTR 'v' /* vector string command */
39 #define PSEG 's' /* print segment command */
40 #define PPFILL 'p' /* polygon fill command */
41
42 #define NCOMMANDS 17 /* number of commands */
43
44 #define COML "lrtmsvpOCESURPDIF" /* command letters */
45
46 #define ADELIM '`' /* additional argument delimiter */
47 #define CDELIM '#' /* comment delimiter */
48
49 #define MAXARGS 2048 /* maximum argument string for primitive */
50
51 #define SALL 0 /* set all */
52 #define SPAT0 04 /* set pattern 0 */
53 #define SPAT1 05 /* set pattern 1 */
54 #define SPAT2 06 /* set pattern 2 */
55 #define SPAT3 07 /* set pattern 3 */
56
57
58 #ifdef _WIN32 /* XXX */
59 #define MDIR "C:\\tmp\\" /* XXX we just need something to compile for now */
60 #define TTY "CON:" /* XXX this probably doesn't work */
61 #define TDIR "C:\\tmp\\" /* XXX we just need something to compile for now */
62 #else /* XXX */
63
64 #define TDIR "/tmp/" /* directory for temporary files */
65 #ifndef MDIR
66 #define MDIR "/usr/local/lib/meta/" /* directory for metafiles */
67 #endif
68 #define TTY "/dev/tty" /* console name */
69 #endif
70
71 #define MAXFNAME 64 /* maximum file name length */
72
73 #define XYSIZE (1<<14) /* metafile coordinate size */
74
75 #ifndef max
76 #define max(x, y) ((x) > (y) ? (x) : (y))
77 #endif
78 #ifndef min
79 #define min(x, y) ((x) < (y) ? (x) : (y))
80 #endif
81
82 #define abs(x) ((x) < 0 ? -(x) : (x))
83
84 #define iscom(c) (comndx(c) != -1)
85 #define isglob(c) isupper(c)
86 #define isprim(c) islower(c)
87
88 #define WIDTH(wspec) ((wspec)==0 ? 0 : 12*(1<<(wspec)))
89 #define CONV(coord, size) ((int)(((long)(coord)*(size))>>14))
90 #define ICONV(dcoord, size) ((int)(((long)(dcoord)<<14)/(size)))
91
92 #define XMN 0 /* index in xy array for xmin */
93 #define YMN 1 /* index in xy array for ymin */
94 #define XMX 2 /* index in xy array for xmax */
95 #define YMX 3 /* index in xy array for ymax */
96
97
98 /*
99 * Structure definitions for primitives
100 */
101
102 struct primitive { /* output primitive */
103 short com, /* command (0 - 127) */
104 arg0; /* first argument (1 byte) */
105 int xy[4]; /* extent=(xmin,ymin,xmax,ymax) */
106 char *args; /* additional arguments */
107 struct primitive *pnext; /* next primitive */
108 };
109
110 typedef struct primitive PRIMITIVE;
111
112 struct plist { /* list of primitives */
113 PRIMITIVE *ptop, *pbot;
114 };
115
116 typedef struct plist PLIST;
117
118
119 /*
120 * External declarations
121 */
122
123 char *savestr();
124
125 PRIMITIVE *pop();
126
127 FILE *efopen(), *mfopen();
128
129 extern char coms[];
130 extern char errmsg[];
131 extern char *progname;
132
133 /* expand.c */
134 extern void expand(FILE *infp, short *exlist);
135 /* palloc.c */
136 extern PRIMITIVE *palloc(void);
137 extern void pfree(PRIMITIVE *p);
138 extern void plfree(PLIST *pl);
139 /* sort.c */
140 extern void sort(FILE *infp, int (*pcmp)());
141 extern void pmergesort(FILE *fi[], int nf, PLIST *pl, int (*pcmp)(), FILE *ofp);
142 /* metacalls.c */
143 extern void mdraw(int x, int y);
144 extern void msegment(int xmin, int ymin, int xmax, int ymax, char *sname,
145 int d, int thick, int color);
146 extern void mvstr(int xmin, int ymin, int xmax, int ymax, char *s,
147 int d, int thick, int color);
148 extern void mtext(int x, int y, char *s, int cpi, int color);
149 extern void mpoly(int x, int y, int border, int pat, int color);
150 extern void mtriangle(int xmin, int ymin, int xmax, int ymax,
151 int d, int pat, int color);
152 extern void mrectangle(int xmin, int ymin, int xmax, int ymax,
153 int pat, int color);
154 extern void mline(int x, int y, int type, int thick, int color);
155 extern void mcloseseg(void);
156 extern void mopenseg(char *sname);
157 extern void msetpat(int pn, char *pat);
158 extern void minclude(char *fname);
159 extern void mdone(void);
160 extern void mendpage(void);
161 /* misc.c */
162 extern int comndx(int c);
163 extern PRIMITIVE *pop(PLIST *pl);
164 extern void push(PRIMITIVE *p, PLIST *pl);
165 extern void add(PRIMITIVE *p, PLIST *pl);
166 extern void append(PLIST *pl1, PLIST *pl2);
167 extern void fargs(PRIMITIVE *p);
168 extern char * nextscan(char *start, char *format, char *result);
169 extern void mcopy(char *p1, char *p2, int n);
170 /* segment.c */
171 extern int inseg(void);
172 extern void closeseg(void);
173 extern void openseg(char *name);
174 extern void segprim(PRIMITIVE *p);
175 extern void segment(PRIMITIVE *p, void (*funcp)(PRIMITIVE *p));
176 extern int xlate(short extrema, PRIMITIVE *p, PRIMITIVE *px);
177 /* cgraph.c */
178 extern void cgraph(int width, int length);
179 extern void cplot(void);
180 extern void cpoint(int c, double x, double y);
181 /* gcalc.c */
182 extern void gcalc(char *types);
183 /* hfio.c, mfio.c */
184 extern int readp(PRIMITIVE *p, FILE *fp);
185 extern void writep(PRIMITIVE *p, FILE *fp);
186 extern void writeof(FILE *fp);
187
188
189 #ifdef __cplusplus
190 }
191 #endif
192 #endif /* _RAD_META_H_ */
193