1 |
– |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
– |
|
1 |
|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* text.c - functions for text patterns and mixtures. |
9 |
– |
* |
10 |
– |
* 11/12/86 |
6 |
|
*/ |
7 |
|
|
8 |
+ |
#include "copyright.h" |
9 |
+ |
|
10 |
|
#include "ray.h" |
11 |
|
|
12 |
|
#include "otypes.h" |
42 |
|
* [spacing] |
43 |
|
* |
44 |
|
* Colortext is identical, except colors are given rather than |
45 |
< |
* brightnesses. Mixtext has foreground and background modifiers: |
45 |
> |
* brightnesses. |
46 |
|
* |
47 |
+ |
* Mixtext has foreground and background modifiers: |
48 |
+ |
* |
49 |
|
* modifier mixtext id |
50 |
|
* 4+ foremod backmod fontfile text.. |
51 |
|
* 0 |
76 |
|
TLINE tl; /* line list */ |
77 |
|
} TEXT; |
78 |
|
|
80 |
– |
extern char *getlibpath(); |
81 |
– |
|
82 |
– |
extern char *fgetword(); |
83 |
– |
|
79 |
|
TEXT *gettext(); |
80 |
|
|
81 |
|
TLINE *tlalloc(); |
82 |
|
|
83 |
|
|
84 |
< |
text(m, r) |
84 |
> |
do_text(m, r) |
85 |
|
register OBJREC *m; |
86 |
|
RAY *r; |
87 |
|
{ |
100 |
|
char *modname = m->oargs.sarg[foreground ? 0 : 1]; |
101 |
|
if (!strcmp(modname, VOIDID)) |
102 |
|
omod = OVOID; |
103 |
< |
else if ((omod = modifier(modname)) == OVOID) { |
103 |
> |
else if ((omod = lastmod(objndx(m), modname)) == OVOID) { |
104 |
|
sprintf(errmsg, "undefined modifier \"%s\"", modname); |
105 |
|
objerror(m, USER, errmsg); |
106 |
|
} |
109 |
|
objerror(m, USER, "inappropriate modifier"); |
110 |
|
return(1); |
111 |
|
} |
112 |
< |
} |
118 |
< |
if (m->otype == PAT_BTEXT) { |
112 |
> |
} else if (m->otype == PAT_BTEXT) { |
113 |
|
if (foreground) |
114 |
|
scalecolor(r->pcol, m->oargs.farg[9]); |
115 |
|
else |
134 |
|
tlalloc(s) /* allocate and assign text line */ |
135 |
|
char *s; |
136 |
|
{ |
143 |
– |
extern char *strcpy(); |
137 |
|
register int siz; |
138 |
|
register TLINE *tl; |
139 |
|
|
153 |
|
{ |
154 |
|
#define R (tm->oargs.farg+3) |
155 |
|
#define D (tm->oargs.farg+6) |
163 |
– |
extern char *strcpy(); |
156 |
|
FVECT DxR; |
157 |
|
double d; |
158 |
|
FILE *fp; |
172 |
|
/* compute vectors */ |
173 |
|
fcross(DxR, D, R); |
174 |
|
fcross(t->right, DxR, D); |
175 |
< |
d = DOT(D,D)/DOT(t->right,t->right); |
175 |
> |
d = DOT(t->right,t->right); |
176 |
> |
if (d <= FTINY*FTINY*FTINY*FTINY) |
177 |
> |
objerror(tm, USER, "illegal motion vector"); |
178 |
> |
d = DOT(D,D)/d; |
179 |
|
for (i = 0; i < 3; i++) |
180 |
|
t->right[i] *= d; |
181 |
|
fcross(t->down, R, DxR); |
196 |
|
tlp = tlp->next; |
197 |
|
} else { /* text file */ |
198 |
|
if ((s = getpath(tm->oargs.sarg[tndx(tm)], |
199 |
< |
getlibpath(), R_OK)) == NULL) { |
199 |
> |
getrlibpath(), R_OK)) == NULL) { |
200 |
|
sprintf(errmsg, "cannot find text file \"%s\"", |
201 |
|
tm->oargs.sarg[tndx(tm)]); |
202 |
|
error(USER, errmsg); |
251 |
|
return; |
252 |
|
while ((tlp = tp->tl.next) != NULL) { |
253 |
|
tp->tl.next = tlp->next; |
254 |
< |
free((char *)tlp->spc); |
255 |
< |
free((char *)tlp); |
254 |
> |
free((void *)tlp->spc); |
255 |
> |
free((void *)tlp); |
256 |
|
} |
257 |
< |
free((char *)tp); |
257 |
> |
freefont(tp->f); /* release font reference */ |
258 |
> |
free((void *)tp); |
259 |
|
m->os = NULL; |
260 |
|
} |
261 |
|
|