13 |
|
#define MG_E_COLOR 1 |
14 |
|
#define MG_E_CONE 2 |
15 |
|
#define MG_E_CMIX 3 |
16 |
< |
#define MG_E_CXY 4 |
17 |
< |
#define MG_E_CSPEC 5 |
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 |
90 |
|
#define MG_MAXARGC (MG_MAXLINE/4) /* maximum argument count */ |
91 |
|
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92 |
|
typedef struct mg_fctxt { |
93 |
< |
char *fname; /* file name */ |
93 |
> |
char fname[96]; /* file name */ |
94 |
|
FILE *fp; /* stream pointer */ |
95 |
|
char inpline[MG_MAXLINE]; /* input line */ |
96 |
|
int lineno; /* line number */ |
162 |
|
(vr)[1]=(v1)[1]+(f)*(v2)[1], \ |
163 |
|
(vr)[2]=(v1)[2]+(f)*(v2)[2]) |
164 |
|
|
165 |
< |
#define is0vect(v) (DOT(v,v) < FTINY*FTINY) |
165 |
> |
#define is0vect(v) (DOT(v,v) <= FTINY*FTINY) |
166 |
|
|
167 |
|
#define round0(x) if (x <= FTINY && x >= -FTINY) x = 0 |
168 |
|
|
177 |
|
* (materials, colors, vectors) |
178 |
|
*/ |
179 |
|
|
180 |
– |
/* The following structure will change when we add spectral data support */ |
181 |
– |
typedef struct { |
182 |
– |
float cx, cy; /* XY chromaticity coordinates */ |
183 |
– |
} C_COLOR; /* color context */ |
184 |
– |
|
185 |
– |
#ifdef later |
186 |
– |
|
187 |
– |
#define C_CMAXWL 780 /* maximum wavelength */ |
180 |
|
#define C_CMINWL 380 /* minimum wavelength */ |
181 |
+ |
#define C_CMAXWL 780 /* maximum wavelength */ |
182 |
|
#define C_CNSS 41 /* number of spectral samples */ |
183 |
< |
#define C_WLINC ((C_MAXWL-C_MINWL)/(C_NSS-1)) /* 10 nm increment */ |
183 |
> |
#define C_CWLI ((C_CMAXWL-C_CMINWL)/(C_CNSS-1)) |
184 |
|
#define C_CMAXV 10000 /* nominal maximum sample value */ |
185 |
|
|
186 |
< |
#define C_CXY 1 /* flag if has xy chromaticity */ |
187 |
< |
#define C_CSPEC 2 /* flag if has spectrum */ |
186 |
> |
#define C_CSSPEC 01 /* flag if spectrum is set */ |
187 |
> |
#define C_CDSPEC 02 /* flag if defined w/ spectrum */ |
188 |
> |
#define C_CSXY 04 /* flag if xy is set */ |
189 |
> |
#define C_CDXY 010 /* flag if defined w/ xy */ |
190 |
|
|
191 |
|
typedef struct { |
192 |
|
short flags; /* what's been set */ |
198 |
– |
float cx, cy; /* xy chromaticity value */ |
193 |
|
short ssamp[C_CNSS]; /* spectral samples, min wl to max */ |
194 |
|
long ssum; /* straight sum of spectral values */ |
195 |
+ |
float cx, cy; /* xy chromaticity value */ |
196 |
|
} C_COLOR; |
197 |
|
|
198 |
< |
#define C_DEFCOLOR { C_CXY|C_CSPEC, 1./3., 1./3., |
198 |
> |
#define C_DEFCOLOR { C_CDXY|C_CSXY|C_CSSPEC,\ |
199 |
|
{C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
200 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
201 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
203 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
204 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
205 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV},\ |
206 |
< |
(long)C_CNSS*C_MAXV } |
206 |
> |
(long)C_CNSS*C_CMAXV, 1./3., 1./3. } |
207 |
|
|
208 |
< |
#define C_CIEX { C_CXY|C_CSPEC, ???, ???, |
208 |
> |
#define C_CIEX { C_CDSPEC|C_CSSPEC|C_CSXY,\ |
209 |
|
{14,42,143,435,1344,2839,3483,3362,2908,1954,956,\ |
210 |
|
320,49,93,633,1655,2904,4334,5945,7621,9163,10263,\ |
211 |
|
10622,10026,8544,6424,4479,2835,1649,874,468,227,\ |
212 |
< |
114,58,29,14,7,3,2,1,0}, 106836L } |
212 |
> |
114,58,29,14,7,3,2,1,0}, 106836L, .735, .265 } |
213 |
|
|
214 |
< |
#define C_CIEY { C_CXY|C_CSPEC, ???, ???, |
214 |
> |
#define C_CIEY { C_CDSPEC|C_CSSPEC|C_CSXY,\ |
215 |
|
{0,1,4,12,40,116,230,380,600,910,1390,2080,3230,\ |
216 |
|
5030,7100,8620,9540,9950,9950,9520,8700,7570,6310,\ |
217 |
|
5030,3810,2650,1750,1070,610,320,170,82,41,21,10,\ |
218 |
< |
5,2,1,1,0,0}, 106856L } |
218 |
> |
5,2,1,1,0,0}, 106856L, .274, .717 } |
219 |
|
|
220 |
< |
#define C_CIEZ { C_CXY|C_CSPEC, ???, ???, |
220 |
> |
#define C_CIEZ { C_CDSPEC|C_CSSPEC|C_CSXY,\ |
221 |
|
{65,201,679,2074,6456,13856,17471,17721,16692,\ |
222 |
|
12876,8130,4652,2720,1582,782,422,203,87,39,21,17,\ |
223 |
< |
11,8,3,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, 106770L } |
223 |
> |
11,8,3,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},\ |
224 |
> |
106770L, .167, .009 } |
225 |
|
|
226 |
< |
#define c_cval(c,l) ((double)(c)->ssamp[((l)-C_MINWL)/C_WLINC] / (c)->sum) |
226 |
> |
#define c_cval(c,l) ((double)(c)->ssamp[((l)-C_MINWL)/C_CWLI] / (c)->sum) |
227 |
|
|
232 |
– |
#endif |
233 |
– |
|
228 |
|
typedef struct { |
229 |
|
char *name; /* material name */ |
230 |
|
int clock; /* incremented each change -- resettable */ |
246 |
|
FVECT p, n; /* point and normal */ |
247 |
|
} C_VERTEX; /* vertex context */ |
248 |
|
|
255 |
– |
#define isgrey(cxy) ((cxy)->cx > .32 && (cxy)->cx < .34 && \ |
256 |
– |
(cxy)->cy > .32 && (cxy)->cy < .34) |
257 |
– |
|
258 |
– |
#define C_DEFCOLOR {.333,.333} |
249 |
|
#define C_DEFMATERIAL {NULL,1,0.,C_DEFCOLOR,0.,C_DEFCOLOR,0.,C_DEFCOLOR,\ |
250 |
|
0.,C_DEFCOLOR,0.,0.,C_DEFCOLOR,0.} |
251 |
|
#define C_DEFVERTEX {{0.,0.,0.},{0.,0.,0.}} |
260 |
|
extern int c_hvertex(); /* handle vertex entity */ |
261 |
|
extern void c_clearall(); /* clear context tables */ |
262 |
|
extern C_VERTEX *c_getvert(); /* get a named vertex */ |
263 |
+ |
extern C_COLOR *c_getcolor(); /* get a named color */ |
264 |
+ |
extern void c_ccvt(); /* fix color representation */ |
265 |
+ |
extern int c_isgrey(); /* check if color is grey */ |
266 |
|
#else |
267 |
|
extern int c_hcolor(int, char **); /* handle color entity */ |
268 |
|
extern int c_hmaterial(int, char **); /* handle material entity */ |
269 |
|
extern int c_hvertex(int, char **); /* handle vertex entity */ |
270 |
|
extern void c_clearall(void); /* clear context tables */ |
271 |
|
extern C_VERTEX *c_getvert(char *); /* get a named vertex */ |
272 |
+ |
extern C_COLOR *c_getcolor(char *); /* get a named color */ |
273 |
+ |
extern void c_ccvt(C_COLOR *, int); /* fix color representation */ |
274 |
+ |
extern int c_isgrey(C_COLOR *); /* check if color is grey */ |
275 |
|
#endif |
276 |
|
|
277 |
|
/************************************************************************* |
299 |
|
#define copymat4(m4a,m4b) bcopy((char *)m4b,(char *)m4a,sizeof(MAT4)) |
300 |
|
#else |
301 |
|
#define copymat4(m4a,m4b) (void)memcpy((char *)m4a,(char *)m4b,sizeof(MAT4)) |
306 |
– |
extern char *memcpy(); |
302 |
|
#endif |
303 |
|
|
304 |
|
#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \ |
369 |
|
extern void multmat4(MAT4, MAT4, MAT4); /* m4a = m4b X m4c */ |
370 |
|
extern void multv3(FVECT, FVECT, MAT4); /* v3a = v3b X m4 (vectors) */ |
371 |
|
extern void multp3(FVECT, FVECT, MAT4); /* p3a = p3b X m4 (points) */ |
372 |
< |
extern int xf(XF, int, char **); /* interpret transform spec. */ |
372 |
> |
extern int xf(XF *, int, char **); /* interpret transform spec. */ |
373 |
|
|
374 |
|
#endif |
375 |
|
|