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root/radiance/ray/src/meta/meta.h
Revision: 1.1
Committed: Sat Feb 22 02:07:26 2003 UTC (21 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R5
Log Message:
Changes and check-in for 3.5 release
Includes new source files and modifications not recorded for many years
See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release

File Contents

# User Rev Content
1 greg 1.1 /* RCSid: $Id$ */
2     /*
3     * Standard meta-file definitions and limits
4     */
5    
6    
7     #include <stdio.h>
8    
9     #include <ctype.h>
10    
11    
12     #define TRUE 1
13     #define FALSE 0
14    
15     #define PEOF 'F' /* end of file global */
16     #define PEOP 'E' /* end of page global */
17     #define PPAUSE 'P' /* pause global */
18     #define PDRAW 'D' /* draw global */
19     #define POPEN 'O' /* open segment */
20     #define PCLOSE 'C' /* close segment */
21     #define PSET 'S' /* set global */
22     #define PUNSET 'U' /* unset global */
23     #define PRESET 'R' /* reset global to default */
24     #define PINCL 'I' /* include file */
25    
26     #define PLSEG 'l' /* line segment command */
27     #define PRFILL 'r' /* rectangle fill command */
28     #define PTFILL 't' /* triangle fill command */
29     #define PMSTR 'm' /* matrix string command */
30     #define PVSTR 'v' /* vector string command */
31     #define PSEG 's' /* print segment command */
32     #define PPFILL 'p' /* polygon fill command */
33    
34     #define NCOMMANDS 17 /* number of commands */
35    
36     #define COML "lrtmsvpOCESURPDIF" /* command letters */
37    
38     #define ADELIM '`' /* additional argument delimiter */
39     #define CDELIM '#' /* comment delimiter */
40    
41     #define MAXARGS 512 /* maximum # of arguments for primitive */
42    
43     #define SALL 0 /* set all */
44     #define SPAT0 04 /* set pattern 0 */
45     #define SPAT1 05 /* set pattern 1 */
46     #define SPAT2 06 /* set pattern 2 */
47     #define SPAT3 07 /* set pattern 3 */
48    
49     #define SYSTEM 0 /* system error, internal, fatal */
50     #define USER 1 /* user error, fatal */
51     #define WARNING 2 /* user error, not fatal */
52    
53     #ifdef UNIX
54     #define TDIR "/tmp/" /* directory for temporary files */
55     #ifndef MDIR
56     #define MDIR "/usr/local/lib/meta/" /* directory for metafiles */
57     #endif
58     #define TTY "/dev/tty" /* console name */
59     #endif
60    
61     #ifdef MAC
62     #define TDIR "5:tmp/" /* directory for temporary files */
63     #define MDIR "/meta/" /* directory for metafiles */
64     #define TTY ".con" /* console name */
65     #endif
66    
67     #ifdef CPM
68     #define TDIR "0/" /* directory for temporary files */
69     #define MDIR "0/" /* directory for metafiles */
70     #define TTY "CON:" /* console name */
71     #endif
72    
73     #define MAXFNAME 64 /* maximum file name length */
74    
75     #define XYSIZE (1<<14) /* metafile coordinate size */
76    
77     #define max(x, y) ((x) > (y) ? (x) : (y))
78     #define min(x, y) ((x) < (y) ? (x) : (y))
79    
80     #define abs(x) ((x) < 0 ? -(x) : (x))
81    
82     #define iscom(c) (comndx(c) != -1)
83     #define isglob(c) isupper(c)
84     #define isprim(c) islower(c)
85    
86     #define WIDTH(wspec) ((wspec)==0 ? 0 : 12*(1<<(wspec)))
87     #define CONV(coord, size) ((int)(((long)(coord)*(size))>>14))
88     #define ICONV(dcoord, size) ((int)(((long)(dcoord)<<14)/(size)))
89    
90     #define XMN 0 /* index in xy array for xmin */
91     #define YMN 1 /* index in xy array for ymin */
92     #define XMX 2 /* index in xy array for xmax */
93     #define YMX 3 /* index in xy array for ymax */
94    
95    
96     /*
97     * Structure definitions for primitives
98     */
99    
100     struct primitive { /* output primitive */
101     short com, /* command (0 - 127) */
102     arg0; /* first argument (1 byte) */
103     int xy[4]; /* extent=(xmin,ymin,xmax,ymax) */
104     char *args; /* additional arguments */
105     struct primitive *pnext; /* next primitive */
106     };
107    
108     typedef struct primitive PRIMITIVE;
109    
110     struct plist { /* list of primitives */
111     PRIMITIVE *ptop, *pbot;
112     };
113    
114     typedef struct plist PLIST;
115    
116    
117     /*
118     * External declarations
119     */
120    
121     char *malloc(), *savestr();
122    
123     PRIMITIVE *palloc(), *pop();
124    
125     FILE *efopen(), *mfopen();
126    
127     extern char coms[];
128    
129     extern char errmsg[];
130    
131     extern char *progname;