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root/radiance/ray/src/meta/meta.h
Revision: 1.6
Committed: Mon Jul 14 22:24:00 2003 UTC (21 years, 4 months ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 1.5: +4 -4 lines
Log Message:
Instrumented headers against multiple inclusion and for use from C++.
Moved includes in headers out of "C" scope.

File Contents

# Content
1 /* RCSid: $Id: meta.h,v 1.5 2003/07/14 16:05:45 greg 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 512 /* maximum # of arguments 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 #ifdef UNIX
58 #define TDIR "/tmp/" /* directory for temporary files */
59 #ifndef MDIR
60 #define MDIR "/usr/local/lib/meta/" /* directory for metafiles */
61 #endif
62 #define TTY "/dev/tty" /* console name */
63 #endif
64
65 #ifdef MAC
66 #define TDIR "5:tmp/" /* directory for temporary files */
67 #define MDIR "/meta/" /* directory for metafiles */
68 #define TTY ".con" /* console name */
69 #endif
70
71 #ifdef CPM
72 #define TDIR "0/" /* directory for temporary files */
73 #define MDIR "0/" /* directory for metafiles */
74 #define TTY "CON:" /* console name */
75 #endif
76
77 #ifdef _WIN32 /* XXX */
78 #define MDIR "c\\tmp\\" /* XXX we just need something to compile for now */
79 #define TTY "CON:" /* XXX this probably doesn't work */
80 #endif /* XXX */
81
82 #define MAXFNAME 64 /* maximum file name length */
83
84 #define XYSIZE (1<<14) /* metafile coordinate size */
85
86 #ifndef max
87 #define max(x, y) ((x) > (y) ? (x) : (y))
88 #endif
89 #ifndef min
90 #define min(x, y) ((x) < (y) ? (x) : (y))
91 #endif
92
93 #define abs(x) ((x) < 0 ? -(x) : (x))
94
95 #define iscom(c) (comndx(c) != -1)
96 #define isglob(c) isupper(c)
97 #define isprim(c) islower(c)
98
99 #define WIDTH(wspec) ((wspec)==0 ? 0 : 12*(1<<(wspec)))
100 #define CONV(coord, size) ((int)(((long)(coord)*(size))>>14))
101 #define ICONV(dcoord, size) ((int)(((long)(dcoord)<<14)/(size)))
102
103 #define XMN 0 /* index in xy array for xmin */
104 #define YMN 1 /* index in xy array for ymin */
105 #define XMX 2 /* index in xy array for xmax */
106 #define YMX 3 /* index in xy array for ymax */
107
108
109 /*
110 * Structure definitions for primitives
111 */
112
113 struct primitive { /* output primitive */
114 short com, /* command (0 - 127) */
115 arg0; /* first argument (1 byte) */
116 int xy[4]; /* extent=(xmin,ymin,xmax,ymax) */
117 char *args; /* additional arguments */
118 struct primitive *pnext; /* next primitive */
119 };
120
121 typedef struct primitive PRIMITIVE;
122
123 struct plist { /* list of primitives */
124 PRIMITIVE *ptop, *pbot;
125 };
126
127 typedef struct plist PLIST;
128
129
130 /*
131 * External declarations
132 */
133
134 char *savestr();
135
136 PRIMITIVE *pop();
137
138 FILE *efopen(), *mfopen();
139
140 extern char coms[];
141 extern char errmsg[];
142 extern char *progname;
143
144 /* expand.c */
145 extern void expand(FILE *infp, short *exlist);
146 /* palloc.c */
147 extern PRIMITIVE *palloc(void);
148 extern void pfree(register PRIMITIVE *p);
149 extern void plfree(register PLIST *pl);
150 /* sort.c */
151 extern void sort(FILE *infp, int (*pcmp)());
152 extern void pmergesort(FILE *fi[], int nf, PLIST *pl, int (*pcmp)(), FILE *ofp);
153 /* metacalls.c */
154 extern void mdraw(int x, int y);
155 extern void msegment(int xmin, int ymin, int xmax, int ymax, char *sname,
156 int d, int thick, int color);
157 extern void mvstr(int xmin, int ymin, int xmax, int ymax, char *s,
158 int d, int thick, int color);
159 extern void mtext(int x, int y, char *s, int cpi, int color);
160 extern void mpoly(int x, int y, int border, int pat, int color);
161 extern void mtriangle(int xmin, int ymin, int xmax, int ymax,
162 int d, int pat, int color);
163 extern void mrectangle(int xmin, int ymin, int xmax, int ymax,
164 int pat, int color);
165 extern void mline(int x, int y, int type, int thick, int color);
166 extern void mcloseseg(void);
167 extern void mopenseg(char *sname);
168 extern void msetpat(int pn, char *pat);
169 extern void minclude(char *fname);
170 extern void mdone(void);
171 extern void mendpage(void);
172
173
174 #ifdef __cplusplus
175 }
176 #endif
177 #endif /* _RAD_META_H_ */
178