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root/radiance/ray/src/common/tmaptiff.c
Revision: 3.1
Committed: Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type: text/plain
Branch: MAIN
Log Message:
Changes and check-in for 3.5 release
Includes new source files and modifications not recorded for many years
See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release

File Contents

# User Rev Content
1 greg 3.1 #ifndef lint
2     static const char RCSid[] = "$Id$";
3     #endif
4     /*
5     * Perform tone mapping on TIFF input.
6     *
7     * Externals declared in tmaptiff.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     */
66    
67     #include <stdio.h>
68     #include "tiffio.h"
69     #include "tmprivat.h"
70     #include "tmaptiff.h"
71    
72    
73     int
74     tmLoadTIFF(lpp, cpp, xp, yp, fname, tp) /* load and convert TIFF */
75     TMbright **lpp;
76     BYTE **cpp;
77     int *xp, *yp;
78     char *fname;
79     TIFF *tp;
80     {
81     char *funcName = fname==NULL ? "tmLoadTIFF" : fname;
82     TIFF *tif;
83     int err;
84     union {uint16 *w; uint32 *l; MEM_PTR p;} sl;
85     uint16 comp, phot, pconf;
86     uint32 width, height;
87     double stonits;
88     int y;
89     /* check arguments */
90     if (tmTop == NULL)
91     returnErr(TM_E_TMINVAL);
92     if (lpp == NULL | xp == NULL | yp == NULL |
93     (fname == NULL & tp == NULL))
94     returnErr(TM_E_ILLEGAL);
95     /* check/get TIFF tags */
96     sl.p = NULL; *lpp = NULL;
97     if (cpp != TM_NOCHROMP) *cpp = TM_NOCHROM;
98     err = TM_E_BADFILE;
99     if ((tif = tp) == NULL && (tif = TIFFOpen(fname, "r")) == NULL)
100     returnErr(TM_E_BADFILE);
101     TIFFGetFieldDefaulted(tif, TIFFTAG_PHOTOMETRIC, &phot);
102     TIFFGetFieldDefaulted(tif, TIFFTAG_COMPRESSION, &comp);
103     if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &width) ||
104     !TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &height))
105     goto done;
106     *xp = width; *yp = height;
107     TIFFGetFieldDefaulted(tif, TIFFTAG_PLANARCONFIG, &pconf);
108     if (pconf != PLANARCONFIG_CONTIG)
109     goto done;
110     if (!TIFFGetField(tif, TIFFTAG_STONITS, &stonits))
111     stonits = 1.;
112     if (phot == PHOTOMETRIC_LOGLUV) {
113     if (comp != COMPRESSION_SGILOG && comp != COMPRESSION_SGILOG24)
114     goto done;
115     TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_RAW);
116     sl.l = (uint32 *)malloc(width*sizeof(uint32));
117     if (cpp != TM_NOCHROMP) {
118     *cpp = (BYTE *)malloc(width*height*3*sizeof(BYTE));
119     if (*cpp == NULL) {
120     err = TM_E_NOMEM;
121     goto done;
122     }
123     }
124     } else if (phot == PHOTOMETRIC_LOGL) {
125     if (comp != COMPRESSION_SGILOG)
126     goto done;
127     TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_16BIT);
128     sl.w = (uint16 *)malloc(width*sizeof(uint16));
129     } else
130     goto done;
131     *lpp = (TMbright *)malloc(width*height*sizeof(TMbright));
132     if (sl.p == NULL | *lpp == NULL) {
133     err = TM_E_NOMEM;
134     goto done;
135     }
136     /* set input color space */
137     tmSetSpace(TM_XYZPRIM, stonits);
138     /* read and convert each scanline */
139     for (y = 0; y < height; y++) {
140     if (TIFFReadScanline(tif, sl.p, y, 0) < 0) {
141     err = TM_E_BADFILE;
142     break;
143     }
144     if (phot == PHOTOMETRIC_LOGL)
145     err = tmCvL16(*lpp + y*width, sl.w, width);
146     else if (comp == COMPRESSION_SGILOG24)
147     err = tmCvLuv24(*lpp + y*width,
148     cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width,
149     sl.l, width);
150     else
151     err = tmCvLuv32(*lpp + y*width,
152     cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width,
153     sl.l, width);
154     if (err != TM_E_OK)
155     break;
156     }
157     done: /* clean up */
158     if (tp == NULL)
159     TIFFClose(tif);
160     if (sl.p != NULL)
161     free(sl.p);
162     if (err != TM_E_OK) { /* free buffers on error */
163     if (*lpp != NULL)
164     free((MEM_PTR)*lpp);
165     *lpp = NULL;
166     if (cpp != TM_NOCHROMP) {
167     if (*cpp != TM_NOCHROM)
168     free((MEM_PTR)*cpp);
169     *cpp = NULL;
170     }
171     *xp = *yp = 0;
172     returnErr(err);
173     }
174     returnOK;
175     }
176    
177    
178     /*
179     * Load and tone-map a SGILOG TIFF.
180     * Beware of greyscale input -- you must check the PHOTOMETRIC tag to
181     * determine that the returned array contains only grey values, not RGB.
182     * As in tmMapPicture(), grey values are also returned if flags&TM_F_BW.
183     */
184     int
185     tmMapTIFF(psp, xp, yp, flags, monpri, gamval, Lddyn, Ldmax, fname, tp)
186     BYTE **psp;
187     int *xp, *yp;
188     int flags;
189     RGBPRIMP monpri;
190     double gamval, Lddyn, Ldmax;
191     char *fname;
192     TIFF *tp;
193     {
194     char *funcName = fname==NULL ? "tmMapTIFF" : fname;
195     TMbright *lp;
196     BYTE *cp;
197     int err;
198     /* check arguments */
199     if (psp == NULL | xp == NULL | yp == NULL | monpri == NULL |
200     (fname == NULL & tp == NULL))
201     returnErr(TM_E_ILLEGAL);
202     if (gamval < MINGAM) gamval = DEFGAM;
203     if (Lddyn < MINLDDYN) Lddyn = DEFLDDYN;
204     if (Ldmax < MINLDMAX) Ldmax = DEFLDMAX;
205     if (flags & TM_F_BW) monpri = stdprims;
206     /* initialize tone mapping */
207     if (tmInit(flags, monpri, gamval) == NULL)
208     returnErr(TM_E_NOMEM);
209     /* load and convert TIFF */
210     cp = TM_NOCHROM;
211     err = tmLoadTIFF(&lp, flags&TM_F_BW ? TM_NOCHROMP : &cp,
212     xp, yp, fname, tp);
213     if (err != TM_E_OK) {
214     tmDone(NULL);
215     return(err);
216     }
217     if (cp == TM_NOCHROM) {
218     *psp = (BYTE *)malloc(*xp * *yp * sizeof(BYTE));
219     if (*psp == NULL) {
220     free((MEM_PTR)lp);
221     tmDone(NULL);
222     returnErr(TM_E_NOMEM);
223     }
224     } else
225     *psp = cp;
226     /* compute color mapping */
227     err = tmAddHisto(lp, *xp * *yp, 1);
228     if (err != TM_E_OK)
229     goto done;
230     err = tmComputeMapping(gamval, Lddyn, Ldmax);
231     if (err != TM_E_OK)
232     goto done;
233     /* map pixels */
234     err = tmMapPixels(*psp, lp, cp, *xp * *yp);
235    
236     done: /* clean up */
237     free((MEM_PTR)lp);
238     tmDone(NULL);
239     if (err != TM_E_OK) { /* free memory on error */
240     free((MEM_PTR)*psp);
241     *psp = NULL;
242     *xp = *yp = 0;
243     returnErr(err);
244     }
245     returnOK;
246     }