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* Polygonal font handling routines |
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*/ |
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|
|
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< |
/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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< |
*/ |
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> |
#include "copyright.h" |
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|
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#include "standard.h" |
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> |
#include <stdlib.h> |
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|
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+ |
#include "paths.h" |
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+ |
#include "rtio.h" |
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+ |
#include "rterror.h" |
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#include "font.h" |
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|
|
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|
#define galloc(nv) (GLYPH *)malloc(sizeof(GLYPH)+2*sizeof(GORD)*(nv)) |
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|
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|
|
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FONT * |
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getfont(fname) /* return font fname */ |
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char *fname; |
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getfont( /* return font fname */ |
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char *fname |
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) |
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{ |
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|
FILE *fp; |
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char *pathname, *err; |
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> |
char *pathname, *err = NULL; |
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|
unsigned wsum, hsum, ngly; |
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|
int gn, ngv, gv; |
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register GLYPH *g; |
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> |
GLYPH *g; |
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|
GORD *gp; |
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register FONT *f; |
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> |
FONT *f; |
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|
|
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for (f = fontlist; f != NULL; f = f->next) |
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if (!strcmp(f->name, fname)) { |
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return(f); |
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} |
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|
/* load the font file */ |
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if ((pathname = getpath(fname, getlibpath(), R_OK)) == NULL) { |
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> |
if ((pathname = getpath(fname, getrlibpath(), R_OK)) == NULL) { |
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|
sprintf(errmsg, "cannot find font file \"%s\"", fname); |
46 |
< |
error(USER, errmsg); |
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> |
error(SYSTEM, errmsg); |
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|
} |
48 |
|
f = (FONT *)calloc(1, sizeof(FONT)); |
49 |
|
if (f == NULL) |
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|
error(USER, errmsg); |
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|
memerr: |
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|
error(SYSTEM, "out of memory in fontglyph"); |
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+ |
return NULL; /* pro forma return */ |
125 |
|
} |
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|
|
127 |
|
|
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|
void |
129 |
< |
freefont(fnt) /* release a font (free all if NULL) */ |
130 |
< |
FONT *fnt; |
129 |
> |
freefont( /* release a font (free all if NULL) */ |
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> |
FONT *fnt |
131 |
> |
) |
132 |
|
{ |
133 |
|
FONT head; |
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< |
register FONT *fl, *f; |
135 |
< |
register int i; |
134 |
> |
FONT *fl, *f; |
135 |
> |
int i; |
136 |
|
/* check reference count */ |
137 |
< |
if (fnt != NULL && (fnt->nref-- > 1 | retainfonts)) |
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> |
if (fnt != NULL && ((fnt->nref-- > 1) | retainfonts)) |
138 |
|
return; |
139 |
|
head.next = fontlist; |
140 |
|
fl = &head; |
141 |
|
while ((f = fl->next) != NULL) |
142 |
< |
if ((fnt == NULL | fnt == f)) { |
142 |
> |
if ((fnt == NULL) | (fnt == f)) { |
143 |
|
fl->next = f->next; |
144 |
|
for (i = 0; i < 256; i++) |
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|
if (f->fg[i] != NULL) |
153 |
|
|
154 |
|
|
155 |
|
int |
156 |
< |
uniftext(sp, tp, f) /* uniformly space text line */ |
157 |
< |
register short *sp; /* returned character spacing */ |
158 |
< |
register char *tp; /* text line */ |
159 |
< |
register FONT *f; /* font */ |
156 |
> |
uniftext( /* uniformly space text line */ |
157 |
> |
short *sp, /* returned character spacing */ |
158 |
> |
char *tp, /* text line */ |
159 |
> |
FONT *f /* font */ |
160 |
> |
) |
161 |
|
{ |
162 |
|
int linelen; |
163 |
|
|
172 |
|
|
173 |
|
|
174 |
|
int |
175 |
< |
squeeztext(sp, tp, f, cis) /* squeeze text line */ |
176 |
< |
short *sp; /* returned character spacing */ |
177 |
< |
char *tp; /* text line */ |
178 |
< |
FONT *f; /* font */ |
179 |
< |
int cis; /* intercharacter spacing */ |
175 |
> |
squeeztext( /* squeeze text line */ |
176 |
> |
short *sp, /* returned character spacing */ |
177 |
> |
char *tp, /* text line */ |
178 |
> |
FONT *f, /* font */ |
179 |
> |
int cis /* intercharacter spacing */ |
180 |
> |
) |
181 |
|
{ |
182 |
|
int linelen; |
183 |
< |
register GLYPH *gp; |
183 |
> |
GLYPH *gp; |
184 |
|
|
185 |
|
linelen = 0; |
186 |
|
gp = NULL; |
208 |
|
|
209 |
|
|
210 |
|
int |
211 |
< |
proptext(sp, tp, f, cis, nsi) /* space line proportionally */ |
212 |
< |
short *sp; /* returned character spacing */ |
213 |
< |
char *tp; /* text line */ |
214 |
< |
FONT *f; /* font */ |
215 |
< |
int cis; /* target intercharacter spacing */ |
216 |
< |
int nsi; /* minimum number of spaces for indent */ |
211 |
> |
proptext( /* space line proportionally */ |
212 |
> |
short *sp, /* returned character spacing */ |
213 |
> |
char *tp, /* text line */ |
214 |
> |
FONT *f, /* font */ |
215 |
> |
int cis, /* target intercharacter spacing */ |
216 |
> |
int nsi /* minimum number of spaces for indent */ |
217 |
> |
) |
218 |
|
{ |
219 |
< |
register char *end, *tab; |
219 |
> |
char *end, *tab = NULL; |
220 |
|
GLYPH *gp; |
221 |
|
short *nsp; |
222 |
|
int alen, len, width; |