| 1 |
– |
/* Copyright (c) 1991 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. |
| 6 |
+ |
*/ |
| 7 |
+ |
|
| 8 |
+ |
/* ==================================================================== |
| 9 |
+ |
* The Radiance Software License, Version 1.0 |
| 10 |
|
* |
| 11 |
< |
* 11/12/86 |
| 11 |
> |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
| 12 |
> |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
| 13 |
> |
* |
| 14 |
> |
* Redistribution and use in source and binary forms, with or without |
| 15 |
> |
* modification, are permitted provided that the following conditions |
| 16 |
> |
* are met: |
| 17 |
> |
* |
| 18 |
> |
* 1. Redistributions of source code must retain the above copyright |
| 19 |
> |
* notice, this list of conditions and the following disclaimer. |
| 20 |
> |
* |
| 21 |
> |
* 2. Redistributions in binary form must reproduce the above copyright |
| 22 |
> |
* notice, this list of conditions and the following disclaimer in |
| 23 |
> |
* the documentation and/or other materials provided with the |
| 24 |
> |
* distribution. |
| 25 |
> |
* |
| 26 |
> |
* 3. The end-user documentation included with the redistribution, |
| 27 |
> |
* if any, must include the following acknowledgment: |
| 28 |
> |
* "This product includes Radiance software |
| 29 |
> |
* (http://radsite.lbl.gov/) |
| 30 |
> |
* developed by the Lawrence Berkeley National Laboratory |
| 31 |
> |
* (http://www.lbl.gov/)." |
| 32 |
> |
* Alternately, this acknowledgment may appear in the software itself, |
| 33 |
> |
* if and wherever such third-party acknowledgments normally appear. |
| 34 |
> |
* |
| 35 |
> |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
| 36 |
> |
* and "The Regents of the University of California" must |
| 37 |
> |
* not be used to endorse or promote products derived from this |
| 38 |
> |
* software without prior written permission. For written |
| 39 |
> |
* permission, please contact [email protected]. |
| 40 |
> |
* |
| 41 |
> |
* 5. Products derived from this software may not be called "Radiance", |
| 42 |
> |
* nor may "Radiance" appear in their name, without prior written |
| 43 |
> |
* permission of Lawrence Berkeley National Laboratory. |
| 44 |
> |
* |
| 45 |
> |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| 46 |
> |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 47 |
> |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 48 |
> |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
| 49 |
> |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 50 |
> |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 51 |
> |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 52 |
> |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 53 |
> |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 54 |
> |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 55 |
> |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 56 |
> |
* SUCH DAMAGE. |
| 57 |
> |
* ==================================================================== |
| 58 |
> |
* |
| 59 |
> |
* This software consists of voluntary contributions made by many |
| 60 |
> |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
| 61 |
> |
* information on Lawrence Berkeley National Laboratory, please see |
| 62 |
> |
* <http://www.lbl.gov/>. |
| 63 |
|
*/ |
| 64 |
|
|
| 65 |
|
#include "ray.h" |
| 97 |
|
* [spacing] |
| 98 |
|
* |
| 99 |
|
* Colortext is identical, except colors are given rather than |
| 100 |
< |
* brightnesses. Mixtext has foreground and background modifiers: |
| 100 |
> |
* brightnesses. |
| 101 |
|
* |
| 102 |
+ |
* Mixtext has foreground and background modifiers: |
| 103 |
+ |
* |
| 104 |
|
* modifier mixtext id |
| 105 |
|
* 4+ foremod backmod fontfile text.. |
| 106 |
|
* 0 |
| 131 |
|
TLINE tl; /* line list */ |
| 132 |
|
} TEXT; |
| 133 |
|
|
| 80 |
– |
extern char *libpath; |
| 81 |
– |
|
| 82 |
– |
extern char *fgetword(); |
| 83 |
– |
|
| 134 |
|
TEXT *gettext(); |
| 135 |
|
|
| 136 |
|
TLINE *tlalloc(); |
| 137 |
|
|
| 138 |
|
|
| 139 |
< |
text(m, r) |
| 139 |
> |
do_text(m, r) |
| 140 |
|
register OBJREC *m; |
| 141 |
|
RAY *r; |
| 142 |
|
{ |
| 155 |
|
char *modname = m->oargs.sarg[foreground ? 0 : 1]; |
| 156 |
|
if (!strcmp(modname, VOIDID)) |
| 157 |
|
omod = OVOID; |
| 158 |
< |
else if ((omod = modifier(modname)) == OVOID) { |
| 158 |
> |
else if ((omod = lastmod(objndx(m), modname)) == OVOID) { |
| 159 |
|
sprintf(errmsg, "undefined modifier \"%s\"", modname); |
| 160 |
|
objerror(m, USER, errmsg); |
| 161 |
|
} |
| 162 |
< |
raytexture(r, omod); |
| 162 |
> |
if (rayshade(r, omod)) { |
| 163 |
> |
if (m->omod != OVOID) |
| 164 |
> |
objerror(m, USER, "inappropriate modifier"); |
| 165 |
> |
return(1); |
| 166 |
> |
} |
| 167 |
|
} else if (m->otype == PAT_BTEXT) { |
| 168 |
|
if (foreground) |
| 169 |
|
scalecolor(r->pcol, m->oargs.farg[9]); |
| 181 |
|
m->oargs.farg[14]); |
| 182 |
|
multcolor(r->pcol, cval); |
| 183 |
|
} |
| 184 |
+ |
return(0); |
| 185 |
|
} |
| 186 |
|
|
| 187 |
|
|
| 189 |
|
tlalloc(s) /* allocate and assign text line */ |
| 190 |
|
char *s; |
| 191 |
|
{ |
| 137 |
– |
extern char *strcpy(); |
| 192 |
|
register int siz; |
| 193 |
|
register TLINE *tl; |
| 194 |
|
|
| 196 |
|
if ((tl=(TLINE *)malloc(sizeof(TLINE)+siz)) == NULL || |
| 197 |
|
(tl->spc=(short *)malloc(siz*sizeof(short))) == NULL) |
| 198 |
|
error(SYSTEM, "out of memory in tlalloc"); |
| 145 |
– |
tl->spc = NULL; |
| 199 |
|
tl->next = NULL; |
| 200 |
|
strcpy(TLSTR(tl), s); |
| 201 |
|
return(tl); |
| 208 |
|
{ |
| 209 |
|
#define R (tm->oargs.farg+3) |
| 210 |
|
#define D (tm->oargs.farg+6) |
| 158 |
– |
extern char *strcpy(), *fgets(); |
| 211 |
|
FVECT DxR; |
| 212 |
|
double d; |
| 213 |
|
FILE *fp; |
| 223 |
|
if (tm->oargs.nsargs - tndx(tm) < 1 || tm->oargs.nfargs < sndx(tm)) |
| 224 |
|
objerror(tm, USER, "bad # arguments"); |
| 225 |
|
if ((t = (TEXT *)malloc(sizeof(TEXT))) == NULL) |
| 226 |
< |
goto memerr; |
| 226 |
> |
error(SYSTEM, "out of memory in gettext"); |
| 227 |
|
/* compute vectors */ |
| 228 |
|
fcross(DxR, D, R); |
| 229 |
|
fcross(t->right, DxR, D); |
| 230 |
< |
d = DOT(D,D)/DOT(t->right,t->right); |
| 230 |
> |
d = DOT(t->right,t->right); |
| 231 |
> |
if (d <= FTINY*FTINY*FTINY*FTINY) |
| 232 |
> |
objerror(tm, USER, "illegal motion vector"); |
| 233 |
> |
d = DOT(D,D)/d; |
| 234 |
|
for (i = 0; i < 3; i++) |
| 235 |
|
t->right[i] *= d; |
| 236 |
|
fcross(t->down, R, DxR); |
| 251 |
|
tlp = tlp->next; |
| 252 |
|
} else { /* text file */ |
| 253 |
|
if ((s = getpath(tm->oargs.sarg[tndx(tm)], |
| 254 |
< |
libpath, R_OK)) == NULL) { |
| 254 |
> |
getlibpath(), R_OK)) == NULL) { |
| 255 |
|
sprintf(errmsg, "cannot find text file \"%s\"", |
| 256 |
|
tm->oargs.sarg[tndx(tm)]); |
| 257 |
|
error(USER, errmsg); |
| 275 |
|
/* compute character spacing */ |
| 276 |
|
i = sndx(tm); |
| 277 |
|
d = i < tm->oargs.nfargs ? tm->oargs.farg[i] : 0.0; |
| 278 |
< |
i = d * 256.0; |
| 278 |
> |
i = d * 255.0; |
| 279 |
|
t->tl.width = 0; |
| 280 |
|
for (tlp = t->tl.next; tlp != NULL; tlp = tlp->next) { |
| 226 |
– |
if ((tlp->spc = (short *)malloc( |
| 227 |
– |
(strlen(TLSTR(tlp))+1)*sizeof(short))) == NULL) |
| 228 |
– |
goto memerr; |
| 281 |
|
if (i < 0) |
| 282 |
|
tlp->width = squeeztext(tlp->spc, TLSTR(tlp), t->f, -i); |
| 283 |
|
else if (i > 0) |
| 290 |
|
/* we're done */ |
| 291 |
|
tm->os = (char *)t; |
| 292 |
|
return(t); |
| 241 |
– |
memerr: |
| 242 |
– |
error(SYSTEM, "out of memory in gettext"); |
| 293 |
|
#undef R |
| 294 |
|
#undef D |
| 295 |
|
} |
| 304 |
|
tp = (TEXT *)m->os; |
| 305 |
|
if (tp == NULL) |
| 306 |
|
return; |
| 307 |
< |
for (tlp = tp->tl.next; tlp != NULL; tlp = tlp->next) { |
| 308 |
< |
free((char *)tlp->spc); |
| 309 |
< |
free((char *)tlp); |
| 307 |
> |
while ((tlp = tp->tl.next) != NULL) { |
| 308 |
> |
tp->tl.next = tlp->next; |
| 309 |
> |
free((void *)tlp->spc); |
| 310 |
> |
free((void *)tlp); |
| 311 |
|
} |
| 312 |
< |
free((char *)tp); |
| 312 |
> |
freefont(tp->f); /* release font reference */ |
| 313 |
> |
free((void *)tp); |
| 314 |
|
m->os = NULL; |
| 315 |
|
} |
| 316 |
|
|
| 319 |
|
FVECT p; |
| 320 |
|
OBJREC *m; |
| 321 |
|
{ |
| 270 |
– |
extern double fabs(); |
| 322 |
|
register TEXT *tp; |
| 323 |
|
register TLINE *tlp; |
| 324 |
|
FVECT v; |
| 332 |
|
x = DOT(v, tp->right); |
| 333 |
|
i = sndx(m); |
| 334 |
|
if (i < m->oargs.nfargs) |
| 335 |
< |
x *= tp->f->mwidth + 256.*fabs(m->oargs.farg[i]); |
| 335 |
> |
x *= tp->f->mwidth + 255.*fabs(m->oargs.farg[i]); |
| 336 |
|
else |
| 337 |
< |
x *= 256.; |
| 337 |
> |
x *= 255.; |
| 338 |
|
h = x; |
| 339 |
|
i = y = DOT(v, tp->down); |
| 340 |
|
if (x < 0.0 || y < 0.0) |
| 341 |
|
return(0); |
| 342 |
|
x -= (double)h; |
| 343 |
< |
y = ((i+1) - y)*256.; |
| 343 |
> |
y = ((i+1) - y)*255.; |
| 344 |
|
/* find the line position */ |
| 345 |
|
for (tlp = tp->tl.next; tlp != NULL; tlp = tlp->next) |
| 346 |
|
if (--i < 0) |
| 348 |
|
if (tlp == NULL || h >= tlp->width) |
| 349 |
|
return(0); |
| 350 |
|
for (i = 0; (h -= tlp->spc[i]) >= 0; i++) |
| 351 |
< |
if (h < 256 && inglyph(h+x, y, |
| 351 |
> |
if (h < 255 && inglyph(h+x, y, |
| 352 |
|
tp->f->fg[TLSTR(tlp)[i]&0xff])) |
| 353 |
|
return(1); |
| 354 |
|
return(0); |
| 356 |
|
|
| 357 |
|
|
| 358 |
|
inglyph(x, y, gl) /* (x,y) within font glyph gl? */ |
| 359 |
< |
double x, y; /* real coordinates in range [0,256) */ |
| 359 |
> |
double x, y; /* real coordinates in range [0,255) */ |
| 360 |
|
register GLYPH *gl; |
| 361 |
|
{ |
| 362 |
|
int n, ncross; |
