53 |
|
|
54 |
|
/* temporary settings for testing */ |
55 |
|
#define e_ies e_any_toss |
56 |
– |
#define e_cmix e_any_toss |
57 |
– |
#define e_cspec e_any_toss |
56 |
|
/* alternate handler routines */ |
57 |
|
|
58 |
|
static int e_any_toss(), /* discard unneeded entity */ |
60 |
|
e_include(), /* include file */ |
61 |
|
e_sph(), /* sphere */ |
62 |
|
e_cmix(), /* color mixtures */ |
63 |
< |
e_cspec(); /* color spectra */ |
63 |
> |
e_cspec(), /* color spectra */ |
64 |
|
e_cyl(), /* cylinder */ |
65 |
|
e_cone(), /* cone */ |
66 |
|
e_prism(), /* prism */ |
117 |
|
} else |
118 |
|
uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
119 |
|
if (mg_ehand[MG_E_COLOR] != NULL) { |
120 |
< |
if (mg_ehand[MG_E_CMIX] == NULL) |
120 |
> |
if (mg_ehand[MG_E_CMIX] == NULL) { |
121 |
|
mg_ehand[MG_E_CMIX] = e_cmix; |
122 |
< |
if (mg_ehand[MG_E_CSPEC] == NULL) |
122 |
> |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX; |
123 |
> |
} |
124 |
> |
if (mg_ehand[MG_E_CSPEC] == NULL) { |
125 |
|
mg_ehand[MG_E_CSPEC] = e_cspec; |
126 |
+ |
ineed |= 1<<MG_E_COLOR|1<<MG_E_CXY|1<<MG_E_CSPEC|1<<MG_E_CMIX; |
127 |
+ |
} |
128 |
|
} |
129 |
|
/* check for consistency */ |
130 |
|
if (mg_ehand[MG_E_FACE] != NULL) |
131 |
|
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
132 |
< |
if (mg_ehand[MG_E_CXY] != NULL) |
132 |
> |
if (mg_ehand[MG_E_CXY] != NULL || mg_ehand[MG_E_CSPEC] != NULL || |
133 |
> |
mg_ehand[MG_E_CMIX] != NULL) |
134 |
|
uneed |= 1<<MG_E_COLOR; |
135 |
|
if (mg_ehand[MG_E_RD] != NULL || mg_ehand[MG_E_TD] != NULL || |
136 |
|
mg_ehand[MG_E_ED] != NULL || |
150 |
|
e_supp[MG_E_POINT] = c_hvertex; |
151 |
|
if (ineed & 1<<MG_E_NORMAL && mg_ehand[MG_E_NORMAL] != c_hvertex) |
152 |
|
e_supp[MG_E_NORMAL] = c_hvertex; |
153 |
+ |
if (ineed & 1<<MG_E_COLOR && mg_ehand[MG_E_COLOR] != c_hcolor) |
154 |
+ |
e_supp[MG_E_COLOR] = c_hcolor; |
155 |
+ |
if (ineed & 1<<MG_E_CXY && mg_ehand[MG_E_CXY] != c_hcolor) |
156 |
+ |
e_supp[MG_E_CXY] = c_hcolor; |
157 |
+ |
if (ineed & 1<<MG_E_CSPEC && mg_ehand[MG_E_CSPEC] != c_hcolor) |
158 |
+ |
e_supp[MG_E_CSPEC] = c_hcolor; |
159 |
+ |
if (ineed & 1<<MG_E_CMIX && mg_ehand[MG_E_CMIX] != c_hcolor) |
160 |
+ |
e_supp[MG_E_CMIX] = c_hcolor; |
161 |
|
/* discard remaining entities */ |
162 |
|
for (i = 0; i < MG_NENTITIES; i++) |
163 |
|
if (mg_ehand[i] == NULL) |
928 |
|
if ((rv = handle_it(MG_E_FACE, i, newav)) != MG_OK) |
929 |
|
return(rv); |
930 |
|
/* compute face normal */ |
931 |
< |
if ((cv0 = c_getvert(av[2])) == NULL) |
931 |
> |
if ((cv0 = c_getvert(av[1])) == NULL) |
932 |
|
return(MG_EUNDEF); |
933 |
|
norm[0] = norm[1] = norm[2] = 0.; |
934 |
|
v1[0] = v1[1] = v1[2] = 0.; |
973 |
|
return(rv); |
974 |
|
newav[3] = newav[2]; |
975 |
|
newav[4] = newav[1]; |
976 |
+ |
} |
977 |
+ |
return(MG_OK); |
978 |
+ |
} |
979 |
+ |
|
980 |
+ |
|
981 |
+ |
static int |
982 |
+ |
e_cspec(ac, av) /* handle spectral color */ |
983 |
+ |
int ac; |
984 |
+ |
char **av; |
985 |
+ |
{ |
986 |
+ |
static char xbuf[24], ybuf[24]; |
987 |
+ |
static char *ccom[4] = {mg_ename[MG_E_CXY], xbuf, ybuf}; |
988 |
+ |
int rv; |
989 |
+ |
|
990 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
991 |
+ |
/* if it's really their handler, use it */ |
992 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) { |
993 |
+ |
sprintf(xbuf, "%.4f", c_ccolor->cx); |
994 |
+ |
sprintf(ybuf, "%.4f", c_ccolor->cy); |
995 |
+ |
if ((rv = handle_it(MG_E_CXY, 3, ccom)) != MG_OK) |
996 |
+ |
return(rv); |
997 |
+ |
} |
998 |
+ |
return(MG_OK); |
999 |
+ |
} |
1000 |
+ |
|
1001 |
+ |
|
1002 |
+ |
static int |
1003 |
+ |
e_cmix(ac, av) /* handle mixing of colors */ |
1004 |
+ |
int ac; |
1005 |
+ |
char **av; |
1006 |
+ |
{ |
1007 |
+ |
char wl[2][6], vbuf[C_CNSS][24]; |
1008 |
+ |
char *newav[C_CNSS+4]; |
1009 |
+ |
int rv; |
1010 |
+ |
register int i; |
1011 |
+ |
/* |
1012 |
+ |
* Contorted logic works as follows: |
1013 |
+ |
* 1. the colors are already mixed in c_hcolor() support function |
1014 |
+ |
* 2. if we would handle a spectral result, make sure it's not |
1015 |
+ |
* 3. if c_hcolor() would handle a spectral result, don't bother |
1016 |
+ |
* 4. otherwise, make cspec entity and pass it to their handler |
1017 |
+ |
* 5. if we have only xy results, handle it as c_spec() would |
1018 |
+ |
*/ |
1019 |
+ |
if (mg_ehand[MG_E_CSPEC] == e_cspec) |
1020 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
1021 |
+ |
else if (c_ccolor->flags & C_CDSPEC) { |
1022 |
+ |
if (mg_ehand[MG_E_CSPEC] != c_hcolor) { |
1023 |
+ |
sprintf(wl[0], "%d", C_CMINWL); |
1024 |
+ |
sprintf(wl[1], "%d", C_CMAXWL); |
1025 |
+ |
newav[0] = mg_ename[MG_E_CSPEC]; |
1026 |
+ |
newav[1] = wl[0]; |
1027 |
+ |
newav[2] = wl[1]; |
1028 |
+ |
for (i = 0; i < C_CNSS; i++) { |
1029 |
+ |
sprintf(vbuf[i], "%.6f", |
1030 |
+ |
(double)c_ccolor->ssamp[i] / |
1031 |
+ |
c_ccolor->ssum); |
1032 |
+ |
newav[i+3] = vbuf[i]; |
1033 |
+ |
} |
1034 |
+ |
newav[C_CNSS+3] = NULL; |
1035 |
+ |
if ((rv = handle_it(MG_E_CSPEC, C_CNSS+3, newav)) != MG_OK) |
1036 |
+ |
return(rv); |
1037 |
+ |
} |
1038 |
+ |
return(MG_OK); |
1039 |
+ |
} |
1040 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) { |
1041 |
+ |
sprintf(vbuf[0], "%.4f", c_ccolor->cx); |
1042 |
+ |
sprintf(vbuf[1], "%.4f", c_ccolor->cy); |
1043 |
+ |
newav[0] = mg_ename[MG_E_CXY]; |
1044 |
+ |
newav[1] = vbuf[0]; |
1045 |
+ |
newav[2] = vbuf[1]; |
1046 |
+ |
newav[3] = NULL; |
1047 |
+ |
if ((rv = handle_it(MG_E_CXY, 3, newav)) != MG_OK) |
1048 |
+ |
return(rv); |
1049 |
|
} |
1050 |
|
return(MG_OK); |
1051 |
|
} |