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/* Copyright (c) 1994 Regents of the University of California */ |
1 |
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/* Copyright (c) 1995 Regents of the University of California */ |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
59 |
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e_ies(), /* IES luminaire file */ |
60 |
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e_include(), /* include file */ |
61 |
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e_sph(), /* sphere */ |
62 |
+ |
e_cct(), /* color temperature */ |
63 |
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e_cmix(), /* color mixtures */ |
64 |
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e_cspec(), /* color spectra */ |
65 |
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e_cyl(), /* cylinder */ |
120 |
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if (mg_ehand[MG_E_COLOR] != NULL) { |
121 |
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if (mg_ehand[MG_E_CMIX] == NULL) { |
122 |
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mg_ehand[MG_E_CMIX] = e_cmix; |
123 |
< |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX; |
123 |
> |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX|1<<MG_E_CCT; |
124 |
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} |
125 |
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if (mg_ehand[MG_E_CSPEC] == NULL) { |
126 |
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mg_ehand[MG_E_CSPEC] = e_cspec; |
127 |
< |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX; |
127 |
> |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX|1<<MG_E_CCT; |
128 |
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} |
129 |
+ |
if (mg_ehand[MG_E_CCT] == NULL) { |
130 |
+ |
mg_ehand[MG_E_CCT] = e_cct; |
131 |
+ |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX|1<<MG_E_CCT; |
132 |
+ |
} |
133 |
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} |
134 |
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/* check for consistency */ |
135 |
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if (mg_ehand[MG_E_FACE] != NULL) |
138 |
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mg_ehand[MG_E_CMIX] != NULL) |
139 |
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uneed |= 1<<MG_E_COLOR; |
140 |
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if (mg_ehand[MG_E_RD] != NULL || mg_ehand[MG_E_TD] != NULL || |
141 |
+ |
mg_ehand[MG_E_IR] != NULL || |
142 |
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mg_ehand[MG_E_ED] != NULL || |
143 |
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mg_ehand[MG_E_RS] != NULL || |
144 |
< |
mg_ehand[MG_E_TS] != NULL) |
144 |
> |
mg_ehand[MG_E_TS] != NULL || |
145 |
> |
mg_ehand[MG_E_SIDES] != NULL) |
146 |
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uneed |= 1<<MG_E_MATERIAL; |
147 |
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for (i = 0; i < MG_NENTITIES; i++) |
148 |
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if (uneed & 1<<i && mg_ehand[i] == NULL) { |
165 |
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e_supp[MG_E_CSPEC] = c_hcolor; |
166 |
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if (ineed & 1<<MG_E_CMIX && mg_ehand[MG_E_CMIX] != c_hcolor) |
167 |
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e_supp[MG_E_CMIX] = c_hcolor; |
168 |
+ |
if (ineed & 1<<MG_E_CCT && mg_ehand[MG_E_CCT] != c_hcolor) |
169 |
+ |
e_supp[MG_E_CCT] = c_hcolor; |
170 |
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/* discard remaining entities */ |
171 |
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for (i = 0; i < MG_NENTITIES; i++) |
172 |
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if (mg_ehand[i] == NULL) |
174 |
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} |
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176 |
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168 |
– |
|
177 |
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int |
178 |
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mg_entity(name) /* get entity number from its name */ |
179 |
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char *name; |
219 |
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char *fn; |
220 |
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{ |
221 |
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static int nfids; |
214 |
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int olen; |
222 |
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register char *cp; |
223 |
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224 |
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ctx->fid = ++nfids; |
231 |
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return(MG_OK); |
232 |
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} |
233 |
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/* get name relative to this context */ |
234 |
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if (mg_file != NULL && |
228 |
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(cp = strrchr(mg_file->fname, '/')) != NULL) |
229 |
< |
olen = cp - mg_file->fname + 1; |
230 |
< |
else |
231 |
< |
olen = 0; |
232 |
< |
if (olen) |
234 |
> |
if (mg_file != NULL && (cp = strrchr(mg_file->fname, '/')) != NULL) { |
235 |
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strcpy(ctx->fname, mg_file->fname); |
236 |
< |
strcpy(ctx->fname+olen, fn); |
236 |
> |
strcpy(ctx->fname+(cp-mg_file->fname+1), fn); |
237 |
> |
} else |
238 |
> |
strcpy(ctx->fname, fn); |
239 |
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ctx->fp = fopen(ctx->fname, "r"); |
240 |
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if (ctx->fp == NULL) |
241 |
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return(MG_ENOFILE); |
386 |
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{ |
387 |
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char *xfarg[MG_MAXARGC]; |
388 |
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MG_FCTXT ictx; |
389 |
+ |
XF_SPEC *xf_orig = xf_context; |
390 |
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int rv; |
391 |
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|
392 |
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if (ac < 2) |
403 |
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if ((rv = mg_handle(MG_E_XF, ac-1, xfarg)) != MG_OK) |
404 |
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return(rv); |
405 |
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} |
406 |
< |
while (!feof(mg_file->fp)) { |
406 |
> |
do { |
407 |
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while (mg_read()) |
408 |
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if ((rv = mg_parse()) != MG_OK) { |
409 |
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fprintf(stderr, "%s: %d: %s:\n%s", ictx.fname, |
415 |
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if (ac > 2) |
416 |
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if ((rv = mg_handle(MG_E_XF, 1, xfarg)) != MG_OK) |
417 |
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return(rv); |
418 |
< |
} |
418 |
> |
} while (xf_context != xf_orig); |
419 |
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mg_close(); |
420 |
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return(MG_OK); |
421 |
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} |
870 |
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char **av; |
871 |
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{ |
872 |
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static char p[3][24]; |
873 |
< |
static char *vent[4] = {mg_ename[MG_E_VERTEX],NULL,"="}; |
873 |
> |
static char *vent[5] = {mg_ename[MG_E_VERTEX],NULL,"="}; |
874 |
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static char *pent[5] = {mg_ename[MG_E_POINT],p[0],p[1],p[2]}; |
875 |
+ |
static char *znorm[5] = {mg_ename[MG_E_NORMAL],"0","0","0"}; |
876 |
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char *newav[MG_MAXARGC], nvn[MG_MAXARGC-1][8]; |
877 |
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double length; |
878 |
+ |
int hasnorm; |
879 |
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FVECT v1, v2, v3, norm; |
880 |
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register C_VERTEX *cv; |
881 |
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C_VERTEX *cv0; |
882 |
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int rv; |
883 |
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register int i, j; |
884 |
< |
|
884 |
> |
/* check arguments */ |
885 |
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if (ac < 5) |
886 |
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return(MG_EARGC); |
887 |
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if (!isflt(av[ac-1])) |
889 |
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length = atof(av[ac-1]); |
890 |
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if (length <= FTINY && length >= -FTINY) |
891 |
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return(MG_EILL); |
892 |
< |
/* do bottom face */ |
886 |
< |
newav[0] = mg_ename[MG_E_FACE]; |
887 |
< |
for (i = 1; i < ac-1; i++) |
888 |
< |
newav[i] = av[i]; |
889 |
< |
newav[i] = NULL; |
890 |
< |
if ((rv = mg_handle(MG_E_FACE, i, newav)) != MG_OK) |
891 |
< |
return(rv); |
892 |
< |
/* compute face normal */ |
892 |
> |
/* compute face normal */ |
893 |
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if ((cv0 = c_getvert(av[1])) == NULL) |
894 |
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return(MG_EUNDEF); |
895 |
+ |
hasnorm = 0; |
896 |
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norm[0] = norm[1] = norm[2] = 0.; |
897 |
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v1[0] = v1[1] = v1[2] = 0.; |
898 |
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for (i = 2; i < ac-1; i++) { |
899 |
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if ((cv = c_getvert(av[i])) == NULL) |
900 |
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return(MG_EUNDEF); |
901 |
+ |
hasnorm += !is0vect(cv->n); |
902 |
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v2[0] = cv->p[0] - cv0->p[0]; |
903 |
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v2[1] = cv->p[1] - cv0->p[1]; |
904 |
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v2[2] = cv->p[2] - cv0->p[2]; |
910 |
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} |
911 |
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if (normalize(norm) == 0.) |
912 |
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return(MG_EILL); |
913 |
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/* create moved vertices */ |
913 |
> |
/* create moved vertices */ |
914 |
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for (i = 1; i < ac-1; i++) { |
915 |
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sprintf(nvn[i-1], "_pv%d", i); |
916 |
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vent[1] = nvn[i-1]; |
917 |
< |
if ((rv = mg_handle(MG_E_VERTEX, 3, vent)) != MG_OK) |
917 |
> |
vent[3] = av[i]; |
918 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, vent)) != MG_OK) |
919 |
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return(rv); |
920 |
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cv = c_getvert(av[i]); /* checked above */ |
921 |
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for (j = 0; j < 3; j++) |
922 |
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sprintf(p[j], FLTFMT, cv->p[j] - length*norm[j]); |
923 |
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if ((rv = mg_handle(MG_E_POINT, 4, pent)) != MG_OK) |
924 |
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return(rv); |
922 |
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newav[ac-1-i] = nvn[i-1]; /* reverse */ |
925 |
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} |
926 |
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/* do top face */ |
927 |
< |
if ((rv = mg_handle(MG_E_FACE, ac-1, newav)) != MG_OK) |
926 |
< |
return(rv); |
926 |
> |
/* make faces */ |
927 |
> |
newav[0] = mg_ename[MG_E_FACE]; |
928 |
|
/* do the side faces */ |
929 |
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newav[5] = NULL; |
930 |
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newav[3] = av[ac-2]; |
937 |
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newav[3] = newav[2]; |
938 |
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newav[4] = newav[1]; |
939 |
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} |
940 |
+ |
/* do top face */ |
941 |
+ |
for (i = 1; i < ac-1; i++) { |
942 |
+ |
if (hasnorm) { /* zero normals */ |
943 |
+ |
vent[1] = nvn[i-1]; |
944 |
+ |
if ((rv = mg_handle(MG_E_VERTEX, 2, vent)) != MG_OK) |
945 |
+ |
return(rv); |
946 |
+ |
if ((rv = mg_handle(MG_E_NORMAL, 4, znorm)) != MG_OK) |
947 |
+ |
return(rv); |
948 |
+ |
} |
949 |
+ |
newav[ac-1-i] = nvn[i-1]; /* reverse */ |
950 |
+ |
} |
951 |
+ |
if ((rv = mg_handle(MG_E_FACE, ac-1, newav)) != MG_OK) |
952 |
+ |
return(rv); |
953 |
+ |
/* do bottom face */ |
954 |
+ |
if (hasnorm) |
955 |
+ |
for (i = 1; i < ac-1; i++) { |
956 |
+ |
vent[1] = nvn[i-1]; |
957 |
+ |
vent[3] = av[i]; |
958 |
+ |
if ((rv = mg_handle(MG_E_VERTEX, 4, vent)) != MG_OK) |
959 |
+ |
return(rv); |
960 |
+ |
if ((rv = mg_handle(MG_E_NORMAL, 4, znorm)) != MG_OK) |
961 |
+ |
return(rv); |
962 |
+ |
newav[i] = nvn[i-1]; |
963 |
+ |
} |
964 |
+ |
else |
965 |
+ |
for (i = 1; i < ac-1; i++) |
966 |
+ |
newav[i] = av[i]; |
967 |
+ |
newav[i] = NULL; |
968 |
+ |
if ((rv = mg_handle(MG_E_FACE, i, newav)) != MG_OK) |
969 |
+ |
return(rv); |
970 |
|
return(MG_OK); |
971 |
|
} |
972 |
|
|
973 |
|
|
974 |
|
static int |
975 |
< |
e_cspec(ac, av) /* handle spectral color */ |
945 |
< |
int ac; |
946 |
< |
char **av; |
975 |
> |
put_cxy() /* put out current xy chromaticities */ |
976 |
|
{ |
977 |
|
static char xbuf[24], ybuf[24]; |
978 |
|
static char *ccom[4] = {mg_ename[MG_E_CXY], xbuf, ybuf}; |
979 |
|
int rv; |
980 |
|
|
981 |
+ |
sprintf(xbuf, "%.4f", c_ccolor->cx); |
982 |
+ |
sprintf(ybuf, "%.4f", c_ccolor->cy); |
983 |
+ |
if ((rv = mg_handle(MG_E_CXY, 3, ccom)) != MG_OK) |
984 |
+ |
return(rv); |
985 |
+ |
return(MG_OK); |
986 |
+ |
} |
987 |
+ |
|
988 |
+ |
|
989 |
+ |
static int |
990 |
+ |
put_cspec() /* put out current color spectrum */ |
991 |
+ |
{ |
992 |
+ |
char wl[2][6], vbuf[C_CNSS][24]; |
993 |
+ |
char *newav[C_CNSS+4]; |
994 |
+ |
double sf; |
995 |
+ |
register int i; |
996 |
+ |
|
997 |
+ |
if (mg_ehand[MG_E_CSPEC] != c_hcolor) { |
998 |
+ |
sprintf(wl[0], "%d", C_CMINWL); |
999 |
+ |
sprintf(wl[1], "%d", C_CMAXWL); |
1000 |
+ |
newav[0] = mg_ename[MG_E_CSPEC]; |
1001 |
+ |
newav[1] = wl[0]; |
1002 |
+ |
newav[2] = wl[1]; |
1003 |
+ |
sf = (double)C_CNSS / c_ccolor->ssum; |
1004 |
+ |
for (i = 0; i < C_CNSS; i++) { |
1005 |
+ |
sprintf(vbuf[i], "%.4f", sf*c_ccolor->ssamp[i]); |
1006 |
+ |
newav[i+3] = vbuf[i]; |
1007 |
+ |
} |
1008 |
+ |
newav[C_CNSS+3] = NULL; |
1009 |
+ |
if ((i = mg_handle(MG_E_CSPEC, C_CNSS+3, newav)) != MG_OK) |
1010 |
+ |
return(i); |
1011 |
+ |
} |
1012 |
+ |
return(MG_OK); |
1013 |
+ |
} |
1014 |
+ |
|
1015 |
+ |
|
1016 |
+ |
static int |
1017 |
+ |
e_cspec(ac, av) /* handle spectral color */ |
1018 |
+ |
int ac; |
1019 |
+ |
char **av; |
1020 |
+ |
{ |
1021 |
+ |
/* convert to xy chromaticity */ |
1022 |
|
c_ccvt(c_ccolor, C_CSXY); |
1023 |
|
/* if it's really their handler, use it */ |
1024 |
< |
if (mg_ehand[MG_E_CXY] != c_hcolor) { |
1025 |
< |
sprintf(xbuf, "%.4f", c_ccolor->cx); |
956 |
< |
sprintf(ybuf, "%.4f", c_ccolor->cy); |
957 |
< |
if ((rv = mg_handle(MG_E_CXY, 3, ccom)) != MG_OK) |
958 |
< |
return(rv); |
959 |
< |
} |
1024 |
> |
if (mg_ehand[MG_E_CXY] != c_hcolor) |
1025 |
> |
return(put_cxy()); |
1026 |
|
return(MG_OK); |
1027 |
|
} |
1028 |
|
|
1032 |
|
int ac; |
1033 |
|
char **av; |
1034 |
|
{ |
969 |
– |
char wl[2][6], vbuf[C_CNSS][24]; |
970 |
– |
char *newav[C_CNSS+4]; |
971 |
– |
int rv; |
972 |
– |
register int i; |
1035 |
|
/* |
1036 |
|
* Contorted logic works as follows: |
1037 |
|
* 1. the colors are already mixed in c_hcolor() support function |
1042 |
|
*/ |
1043 |
|
if (mg_ehand[MG_E_CSPEC] == e_cspec) |
1044 |
|
c_ccvt(c_ccolor, C_CSXY); |
1045 |
< |
else if (c_ccolor->flags & C_CDSPEC) { |
1046 |
< |
if (mg_ehand[MG_E_CSPEC] != c_hcolor) { |
1047 |
< |
sprintf(wl[0], "%d", C_CMINWL); |
1048 |
< |
sprintf(wl[1], "%d", C_CMAXWL); |
1049 |
< |
newav[0] = mg_ename[MG_E_CSPEC]; |
1050 |
< |
newav[1] = wl[0]; |
1051 |
< |
newav[2] = wl[1]; |
1052 |
< |
for (i = 0; i < C_CNSS; i++) { |
1053 |
< |
sprintf(vbuf[i], "%.6f", |
1054 |
< |
(double)c_ccolor->ssamp[i] / |
1055 |
< |
c_ccolor->ssum); |
1056 |
< |
newav[i+3] = vbuf[i]; |
1057 |
< |
} |
1058 |
< |
newav[C_CNSS+3] = NULL; |
1059 |
< |
if ((rv = mg_handle(MG_E_CSPEC, C_CNSS+3, newav)) != MG_OK) |
1060 |
< |
return(rv); |
1061 |
< |
} |
1062 |
< |
return(MG_OK); |
1063 |
< |
} |
1064 |
< |
if (mg_ehand[MG_E_CXY] != c_hcolor) { |
1065 |
< |
sprintf(vbuf[0], "%.4f", c_ccolor->cx); |
1066 |
< |
sprintf(vbuf[1], "%.4f", c_ccolor->cy); |
1067 |
< |
newav[0] = mg_ename[MG_E_CXY]; |
1068 |
< |
newav[1] = vbuf[0]; |
1007 |
< |
newav[2] = vbuf[1]; |
1008 |
< |
newav[3] = NULL; |
1009 |
< |
if ((rv = mg_handle(MG_E_CXY, 3, newav)) != MG_OK) |
1010 |
< |
return(rv); |
1011 |
< |
} |
1045 |
> |
else if (c_ccolor->flags & C_CDSPEC) |
1046 |
> |
return(put_cspec()); |
1047 |
> |
if (mg_ehand[MG_E_CXY] != c_hcolor) |
1048 |
> |
return(put_cxy()); |
1049 |
> |
return(MG_OK); |
1050 |
> |
} |
1051 |
> |
|
1052 |
> |
|
1053 |
> |
static int |
1054 |
> |
e_cct(ac, av) /* handle color temperature */ |
1055 |
> |
int ac; |
1056 |
> |
char **av; |
1057 |
> |
{ |
1058 |
> |
/* |
1059 |
> |
* Logic is similar to e_cmix here. Support handler has already |
1060 |
> |
* converted temperature to spectral color. Put it out as such |
1061 |
> |
* if they support it, otherwise convert to xy chromaticity and |
1062 |
> |
* put it out if they handle it. |
1063 |
> |
*/ |
1064 |
> |
if (mg_ehand[MG_E_CSPEC] != e_cspec) |
1065 |
> |
return(put_cspec()); |
1066 |
> |
c_ccvt(c_ccolor, C_CSXY); |
1067 |
> |
if (mg_ehand[MG_E_CXY] != c_hcolor) |
1068 |
> |
return(put_cxy()); |
1069 |
|
return(MG_OK); |
1070 |
|
} |