12 |
|
#define MG_E_COMMENT 0 |
13 |
|
#define MG_E_COLOR 1 |
14 |
|
#define MG_E_CONE 2 |
15 |
< |
#define MG_E_CXY 3 |
16 |
< |
#define MG_E_CYL 4 |
17 |
< |
#define MG_E_ED 5 |
18 |
< |
#define MG_E_FACE 6 |
19 |
< |
#define MG_E_INCLUDE 7 |
20 |
< |
#define MG_E_IES 8 |
21 |
< |
#define MG_E_MATERIAL 9 |
22 |
< |
#define MG_E_NORMAL 10 |
23 |
< |
#define MG_E_OBJECT 11 |
24 |
< |
#define MG_E_POINT 12 |
25 |
< |
#define MG_E_RD 13 |
26 |
< |
#define MG_E_RING 14 |
27 |
< |
#define MG_E_RS 15 |
28 |
< |
#define MG_E_SPH 16 |
29 |
< |
#define MG_E_TD 17 |
30 |
< |
#define MG_E_TORUS 18 |
31 |
< |
#define MG_E_TS 19 |
32 |
< |
#define MG_E_VERTEX 20 |
33 |
< |
#define MG_E_XF 21 |
15 |
> |
#define MG_E_CMIX 3 |
16 |
> |
#define MG_E_CSPEC 4 |
17 |
> |
#define MG_E_CXY 5 |
18 |
> |
#define MG_E_CYL 6 |
19 |
> |
#define MG_E_ED 7 |
20 |
> |
#define MG_E_FACE 8 |
21 |
> |
#define MG_E_INCLUDE 9 |
22 |
> |
#define MG_E_IES 10 |
23 |
> |
#define MG_E_MATERIAL 11 |
24 |
> |
#define MG_E_NORMAL 12 |
25 |
> |
#define MG_E_OBJECT 13 |
26 |
> |
#define MG_E_POINT 14 |
27 |
> |
#define MG_E_PRISM 15 |
28 |
> |
#define MG_E_RD 16 |
29 |
> |
#define MG_E_RING 17 |
30 |
> |
#define MG_E_RS 18 |
31 |
> |
#define MG_E_SPH 19 |
32 |
> |
#define MG_E_TD 20 |
33 |
> |
#define MG_E_TORUS 21 |
34 |
> |
#define MG_E_TS 22 |
35 |
> |
#define MG_E_VERTEX 23 |
36 |
> |
#define MG_E_XF 24 |
37 |
|
|
38 |
< |
#define MG_NENTITIES 22 |
38 |
> |
#define MG_NENTITIES 25 |
39 |
|
|
40 |
< |
#define MG_NAMELIST {"#","c","cone","cxy","cyl","ed","f","i","ies",\ |
41 |
< |
"m","n","o","p","rd","ring","rs","sph","td","torus","ts","v","xf"} |
40 |
> |
#define MG_NAMELIST {"#","c","cone","cmix","cspec","cxy","cyl","ed","f",\ |
41 |
> |
"i","ies","m","n","o","p","prism","rd","ring","rs",\ |
42 |
> |
"sph","td","torus","ts","v","xf"} |
43 |
|
|
44 |
|
#define MG_MAXELEN 6 |
45 |
|
|
79 |
|
* To read from standard input, use NULL as the file name. |
80 |
|
* For additional control over error reporting and file management, |
81 |
|
* use mg_open, mg_read, mg_parse and mg_close instead of mg_load. |
82 |
+ |
* To pass an entity of your own construction to the parser, use |
83 |
+ |
* the mg_handle function rather than the mg_ehand routines directly. |
84 |
+ |
* (The first argument to mg_handle is the entity #, or -1.) |
85 |
|
* To free any data structures and clear the parser, use mg_clear. |
86 |
|
* If there is an error, mg_load, mg_open, mg_parse, and mg_rewind |
87 |
|
* will return an error from the list above. In addition, mg_load |
93 |
|
#define MG_MAXARGC (MG_MAXLINE/4) /* maximum argument count */ |
94 |
|
|
95 |
|
typedef struct mg_fctxt { |
96 |
< |
char *fname; /* file name */ |
96 |
> |
char fname[96]; /* file name */ |
97 |
|
FILE *fp; /* stream pointer */ |
98 |
+ |
int fid; /* unique file context id */ |
99 |
|
char inpline[MG_MAXLINE]; /* input line */ |
100 |
|
int lineno; /* line number */ |
101 |
|
struct mg_fctxt *prev; /* previous context */ |
102 |
|
} MG_FCTXT; |
103 |
|
|
104 |
+ |
typedef struct { |
105 |
+ |
int fid; /* file this position is for */ |
106 |
+ |
int lineno; /* line number in file */ |
107 |
+ |
long offset; /* offset from beginning */ |
108 |
+ |
} MG_FPOS; |
109 |
+ |
|
110 |
|
extern MG_FCTXT *mg_file; /* current file context */ |
111 |
|
|
112 |
|
#ifdef NOPROTO |
115 |
|
extern int mg_open(); /* open new input file */ |
116 |
|
extern int mg_read(); /* read next line */ |
117 |
|
extern int mg_parse(); /* parse current line */ |
118 |
< |
extern int mg_rewind(); /* rewind input file */ |
118 |
> |
extern void mg_fgetpos(); /* get position on input file */ |
119 |
> |
extern int mg_fgoto(); /* go to position on input file */ |
120 |
|
extern void mg_close(); /* close input file */ |
121 |
|
extern void mg_clear(); /* clear parser */ |
122 |
< |
extern int mg_iterate(); |
122 |
> |
extern int mg_handle(); /* handle an entity */ |
123 |
|
#else |
124 |
|
extern void mg_init(void); /* fill in mg_ehand array */ |
125 |
|
extern int mg_load(char *); /* parse a file */ |
126 |
|
extern int mg_open(MG_FCTXT *, char *); /* open new input file */ |
127 |
|
extern int mg_read(void); /* read next line */ |
128 |
|
extern int mg_parse(void); /* parse current line */ |
129 |
< |
extern int mg_rewind(void); /* rewind input file */ |
129 |
> |
extern void mg_fgetpos(MG_FPOS *); /* get position on input file */ |
130 |
> |
extern int mg_fgoto(MG_FPOS *); /* go to position on input file */ |
131 |
|
extern void mg_close(void); /* close input file */ |
132 |
|
extern void mg_clear(void); /* clear parser */ |
133 |
< |
extern int mg_iterate(int, char **, int (*)(void)); |
133 |
> |
extern int mg_handle(int, int, char **); /* handle an entity */ |
134 |
|
#endif |
135 |
|
|
136 |
|
#ifndef MG_NQCD |
174 |
|
(vr)[1]=(v1)[1]+(f)*(v2)[1], \ |
175 |
|
(vr)[2]=(v1)[2]+(f)*(v2)[2]) |
176 |
|
|
177 |
< |
#define is0vect(v) (DOT(v,v) < FTINY*FTINY) |
177 |
> |
#define is0vect(v) (DOT(v,v) <= FTINY*FTINY) |
178 |
|
|
179 |
|
#define round0(x) if (x <= FTINY && x >= -FTINY) x = 0 |
180 |
|
|
189 |
|
* (materials, colors, vectors) |
190 |
|
*/ |
191 |
|
|
192 |
+ |
#define C_CMINWL 380 /* minimum wavelength */ |
193 |
+ |
#define C_CMAXWL 780 /* maximum wavelength */ |
194 |
+ |
#define C_CNSS 41 /* number of spectral samples */ |
195 |
+ |
#define C_CWLI ((C_CMAXWL-C_CMINWL)/(C_CNSS-1)) |
196 |
+ |
#define C_CMAXV 10000 /* nominal maximum sample value */ |
197 |
+ |
|
198 |
+ |
#define C_CSSPEC 01 /* flag if spectrum is set */ |
199 |
+ |
#define C_CDSPEC 02 /* flag if defined w/ spectrum */ |
200 |
+ |
#define C_CSXY 04 /* flag if xy is set */ |
201 |
+ |
#define C_CDXY 010 /* flag if defined w/ xy */ |
202 |
+ |
|
203 |
|
typedef struct { |
204 |
< |
float cx, cy; /* XY chromaticity coordinates */ |
205 |
< |
} C_COLOR; /* color context */ |
204 |
> |
char *name; /* material name */ |
205 |
> |
int clock; /* incremented each change */ |
206 |
> |
short flags; /* what's been set */ |
207 |
> |
short ssamp[C_CNSS]; /* spectral samples, min wl to max */ |
208 |
> |
long ssum; /* straight sum of spectral values */ |
209 |
> |
float cx, cy; /* xy chromaticity value */ |
210 |
> |
} C_COLOR; |
211 |
|
|
212 |
+ |
#define C_DEFCOLOR { NULL, 0, C_CDXY|C_CSXY|C_CSSPEC,\ |
213 |
+ |
{C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
214 |
+ |
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
215 |
+ |
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
216 |
+ |
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
217 |
+ |
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
218 |
+ |
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
219 |
+ |
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV},\ |
220 |
+ |
(long)C_CNSS*C_CMAXV, 1./3., 1./3. } |
221 |
+ |
|
222 |
+ |
#define C_CIEX { "_cie_x", 0, C_CDSPEC|C_CSSPEC|C_CSXY,\ |
223 |
+ |
{14,42,143,435,1344,2839,3483,3362,2908,1954,956,\ |
224 |
+ |
320,49,93,633,1655,2904,4334,5945,7621,9163,10263,\ |
225 |
+ |
10622,10026,8544,6424,4479,2835,1649,874,468,227,\ |
226 |
+ |
114,58,29,14,7,3,2,1,0}, 106836L, .735, .265 } |
227 |
+ |
|
228 |
+ |
#define C_CIEY { "_cie_y", 0, C_CDSPEC|C_CSSPEC|C_CSXY,\ |
229 |
+ |
{0,1,4,12,40,116,230,380,600,910,1390,2080,3230,\ |
230 |
+ |
5030,7100,8620,9540,9950,9950,9520,8700,7570,6310,\ |
231 |
+ |
5030,3810,2650,1750,1070,610,320,170,82,41,21,10,\ |
232 |
+ |
5,2,1,1,0,0}, 106856L, .274, .717 } |
233 |
+ |
|
234 |
+ |
#define C_CIEZ { "_cie_z", 0, C_CDSPEC|C_CSSPEC|C_CSXY,\ |
235 |
+ |
{65,201,679,2074,6456,13856,17471,17721,16692,\ |
236 |
+ |
12876,8130,4652,2720,1582,782,422,203,87,39,21,17,\ |
237 |
+ |
11,8,3,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},\ |
238 |
+ |
106770L, .167, .009 } |
239 |
+ |
|
240 |
+ |
#define c_cval(c,l) ((double)(c)->ssamp[((l)-C_MINWL)/C_CWLI] / (c)->sum) |
241 |
+ |
|
242 |
|
typedef struct { |
243 |
|
char *name; /* material name */ |
244 |
|
int clock; /* incremented each change -- resettable */ |
257 |
|
} C_MATERIAL; /* material context */ |
258 |
|
|
259 |
|
typedef struct { |
260 |
+ |
char *name; /* vector name */ |
261 |
+ |
int clock; /* incremented each change -- resettable */ |
262 |
|
FVECT p, n; /* point and normal */ |
263 |
|
} C_VERTEX; /* vertex context */ |
264 |
|
|
265 |
< |
#define isgrey(cxy) ((cxy)->cx > .31 && (cxy)->cx < .35 && \ |
202 |
< |
(cxy)->cy > .31 && (cxy)->cy < .35) |
203 |
< |
|
204 |
< |
#define C_DEFCOLOR {.333,.333} |
205 |
< |
#define C_DEFMATERIAL {NULL,1,0.,C_DEFCOLOR,0.,C_DEFCOLOR,0.,C_DEFCOLOR,\ |
265 |
> |
#define C_DEFMATERIAL {NULL,0,0.,C_DEFCOLOR,0.,C_DEFCOLOR,0.,C_DEFCOLOR,\ |
266 |
|
0.,C_DEFCOLOR,0.,0.,C_DEFCOLOR,0.} |
267 |
< |
#define C_DEFVERTEX {{0.,0.,0.},{0.,0.,0.}} |
267 |
> |
#define C_DEFVERTEX {NULL,0,{0.,0.,0.},{0.,0.,0.}} |
268 |
|
|
269 |
|
extern C_COLOR *c_ccolor; /* the current color */ |
270 |
|
extern C_MATERIAL *c_cmaterial; /* the current material */ |
276 |
|
extern int c_hvertex(); /* handle vertex entity */ |
277 |
|
extern void c_clearall(); /* clear context tables */ |
278 |
|
extern C_VERTEX *c_getvert(); /* get a named vertex */ |
279 |
+ |
extern C_COLOR *c_getcolor(); /* get a named color */ |
280 |
+ |
extern void c_ccvt(); /* fix color representation */ |
281 |
+ |
extern int c_isgrey(); /* check if color is grey */ |
282 |
|
#else |
283 |
|
extern int c_hcolor(int, char **); /* handle color entity */ |
284 |
|
extern int c_hmaterial(int, char **); /* handle material entity */ |
285 |
|
extern int c_hvertex(int, char **); /* handle vertex entity */ |
286 |
|
extern void c_clearall(void); /* clear context tables */ |
287 |
|
extern C_VERTEX *c_getvert(char *); /* get a named vertex */ |
288 |
+ |
extern C_COLOR *c_getcolor(char *); /* get a named color */ |
289 |
+ |
extern void c_ccvt(C_COLOR *, int); /* fix color representation */ |
290 |
+ |
extern int c_isgrey(C_COLOR *); /* check if color is grey */ |
291 |
|
#endif |
292 |
|
|
293 |
|
/************************************************************************* |
315 |
|
#define copymat4(m4a,m4b) bcopy((char *)m4b,(char *)m4a,sizeof(MAT4)) |
316 |
|
#else |
317 |
|
#define copymat4(m4a,m4b) (void)memcpy((char *)m4a,(char *)m4b,sizeof(MAT4)) |
252 |
– |
extern char *memcpy(); |
318 |
|
#endif |
319 |
|
|
320 |
|
#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \ |
332 |
|
|
333 |
|
#define identxf(xp) (void)(setident4((xp)->xfm),(xp)->sca=1.0) |
334 |
|
|
335 |
+ |
#define XF_MAXDIM 8 /* maximum array dimensions */ |
336 |
+ |
|
337 |
+ |
struct xf_array { |
338 |
+ |
MG_FPOS spos; /* starting position on input */ |
339 |
+ |
int ndim; /* number of array dimensions */ |
340 |
+ |
struct { |
341 |
+ |
short i, n; /* current count and maximum */ |
342 |
+ |
char arg[8]; /* string argument value */ |
343 |
+ |
} aarg[XF_MAXDIM]; |
344 |
+ |
}; |
345 |
+ |
|
346 |
|
typedef struct xf_spec { |
347 |
< |
short xac; /* transform argument count */ |
348 |
< |
short xav0; /* zeroeth argument in xf_argv array */ |
349 |
< |
XF xf; /* cumulative transformation */ |
350 |
< |
struct xf_spec *prev; /* previous transformation context */ |
351 |
< |
} XF_SPEC; |
347 |
> |
long xid; /* unique transform id */ |
348 |
> |
short xav0; /* zeroeth argument in xf_argv array */ |
349 |
> |
short xac; /* transform argument count */ |
350 |
> |
XF xf; /* cumulative transformation */ |
351 |
> |
struct xf_array *xarr; /* transformation array pointer */ |
352 |
> |
struct xf_spec *prev; /* previous transformation context */ |
353 |
> |
} XF_SPEC; /* followed by argument buffer */ |
354 |
|
|
355 |
|
extern int xf_argc; /* total # transform args. */ |
356 |
|
extern char **xf_argv; /* transform arguments */ |
398 |
|
extern void multmat4(MAT4, MAT4, MAT4); /* m4a = m4b X m4c */ |
399 |
|
extern void multv3(FVECT, FVECT, MAT4); /* v3a = v3b X m4 (vectors) */ |
400 |
|
extern void multp3(FVECT, FVECT, MAT4); /* p3a = p3b X m4 (points) */ |
401 |
< |
extern int xf(XF, int, char **); /* interpret transform spec. */ |
401 |
> |
extern int xf(XF *, int, char **); /* interpret transform spec. */ |
402 |
|
|
403 |
|
#endif |
404 |
|
|