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Comparing ray/src/common/color.c (file contents):
Revision 2.9 by greg, Sat Feb 22 02:07:22 2003 UTC vs.
Revision 2.14 by greg, Tue Dec 9 15:51:42 2003 UTC

# Line 7 | Line 7 | static const char      RCSid[] = "$Id$";
7   *  Externals declared in color.h
8   */
9  
10 < /* ====================================================================
11 < * The Radiance Software License, Version 1.0
12 < *
13 < * Copyright (c) 1990 - 2002 The Regents of the University of California,
14 < * through Lawrence Berkeley National Laboratory.   All rights reserved.
15 < *
16 < * Redistribution and use in source and binary forms, with or without
17 < * modification, are permitted provided that the following conditions
18 < * are met:
19 < *
20 < * 1. Redistributions of source code must retain the above copyright
21 < *         notice, this list of conditions and the following disclaimer.
22 < *
23 < * 2. Redistributions in binary form must reproduce the above copyright
24 < *       notice, this list of conditions and the following disclaimer in
25 < *       the documentation and/or other materials provided with the
26 < *       distribution.
27 < *
28 < * 3. The end-user documentation included with the redistribution,
29 < *           if any, must include the following acknowledgment:
30 < *             "This product includes Radiance software
31 < *                 (http://radsite.lbl.gov/)
32 < *                 developed by the Lawrence Berkeley National Laboratory
33 < *               (http://www.lbl.gov/)."
34 < *       Alternately, this acknowledgment may appear in the software itself,
35 < *       if and wherever such third-party acknowledgments normally appear.
36 < *
37 < * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
38 < *       and "The Regents of the University of California" must
39 < *       not be used to endorse or promote products derived from this
40 < *       software without prior written permission. For written
41 < *       permission, please contact [email protected].
42 < *
43 < * 5. Products derived from this software may not be called "Radiance",
44 < *       nor may "Radiance" appear in their name, without prior written
45 < *       permission of Lawrence Berkeley National Laboratory.
46 < *
47 < * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
48 < * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 < * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
50 < * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
51 < * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
52 < * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
53 < * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
54 < * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
55 < * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
56 < * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
57 < * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 < * SUCH DAMAGE.
59 < * ====================================================================
60 < *
61 < * This software consists of voluntary contributions made by many
62 < * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
63 < * information on Lawrence Berkeley National Laboratory, please see
64 < * <http://www.lbl.gov/>.
65 < */
10 > #include "copyright.h"
11  
12   #include  <stdio.h>
13  
# Line 72 | Line 17 | static const char      RCSid[] = "$Id$";
17  
18   #include  "color.h"
19  
20 + #ifdef getc_unlocked            /* avoid horrendous overhead of flockfile */
21 + #define getc    getc_unlocked
22 + #define putc    putc_unlocked
23 + #endif
24 +
25   #define  MINELEN        8       /* minimum scanline length for encoding */
26   #define  MAXELEN        0x7fff  /* maximum scanline length for encoding */
27   #define  MINRUN         4       /* minimum run length */
# Line 86 | Line 36 | unsigned int  len;
36  
37          if (len > tempbuflen) {
38                  if (tempbuflen > 0)
39 <                        tempbuf = (char *)realloc(tempbuf, len);
39 >                        tempbuf = (char *)realloc((void *)tempbuf, len);
40                  else
41                          tempbuf = (char *)malloc(len);
42                  tempbuflen = tempbuf==NULL ? 0 : len;
# Line 104 | Line 54 | register FILE  *fp;
54          register int  i, j, beg, cnt = 1;
55          int  c2;
56          
57 <        if (len < MINELEN | len > MAXELEN)      /* OOBs, write out flat */
57 >        if ((len < MINELEN) | (len > MAXELEN))  /* OOBs, write out flat */
58                  return(fwrite((char *)scanline,sizeof(COLR),len,fp) - len);
59                                          /* put magic header */
60          putc(2, fp);
# Line 194 | Line 144 | register FILE  *fp;
144          register int  i, j;
145          int  code, val;
146                                          /* determine scanline type */
147 <        if (len < MINELEN | len > MAXELEN)
147 >        if ((len < MINELEN) | (len > MAXELEN))
148                  return(oldreadcolrs(scanline, len, fp));
149          if ((i = getc(fp)) == EOF)
150                  return(-1);
# Line 308 | Line 258 | double  r, g, b;
258  
259          d = frexp(d, &e) * 255.9999 / d;
260  
261 <        clr[RED] = r * d;
262 <        clr[GRN] = g * d;
263 <        clr[BLU] = b * d;
261 >        if (r > 0.0)
262 >                clr[RED] = r * d;
263 >        else
264 >                clr[RED] = 0;
265 >        if (g > 0.0)
266 >                clr[GRN] = g * d;
267 >        else
268 >                clr[GRN] = 0;
269 >        if (b > 0.0)
270 >                clr[BLU] = b * d;
271 >        else
272 >                clr[BLU] = 0;
273 >
274          clr[EXP] = e + COLXS;
275   }
276  

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