1 |
greg |
3.1 |
#ifndef lint |
2 |
greg |
3.6 |
static const char RCSid[] = "$Id: tmaptiff.c,v 3.5 2005/01/07 20:33:02 greg Exp $"; |
3 |
greg |
3.1 |
#endif |
4 |
|
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/* |
5 |
|
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* Perform tone mapping on TIFF input. |
6 |
|
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* |
7 |
|
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* Externals declared in tmaptiff.h |
8 |
|
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*/ |
9 |
|
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|
10 |
greg |
3.2 |
#include "copyright.h" |
11 |
greg |
3.1 |
|
12 |
|
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#include <stdio.h> |
13 |
|
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#include "tiffio.h" |
14 |
|
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#include "tmprivat.h" |
15 |
|
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#include "tmaptiff.h" |
16 |
|
|
|
17 |
greg |
3.3 |
/* input cases we handle */ |
18 |
|
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#define TC_LOGLUV32 1 |
19 |
|
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#define TC_LOGLUV24 2 |
20 |
|
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#define TC_LOGL16 3 |
21 |
|
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#define TC_GRYFLOAT 4 |
22 |
|
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#define TC_RGBFLOAT 5 |
23 |
|
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#define TC_GRYSHORT 6 |
24 |
|
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#define TC_RGBSHORT 7 |
25 |
|
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|
26 |
|
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/* figure out what kind of TIFF we have and if we can tone-map it */ |
27 |
|
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static int |
28 |
|
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getTIFFtype(TIFF *tif) |
29 |
|
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{ |
30 |
|
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uint16 comp, phot, pconf; |
31 |
|
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uint16 samp_fmt, bits_samp; |
32 |
|
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|
33 |
|
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TIFFGetFieldDefaulted(tif, TIFFTAG_PLANARCONFIG, &pconf); |
34 |
|
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if (pconf != PLANARCONFIG_CONTIG) |
35 |
|
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return(0); |
36 |
|
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TIFFGetFieldDefaulted(tif, TIFFTAG_PHOTOMETRIC, &phot); |
37 |
|
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TIFFGetFieldDefaulted(tif, TIFFTAG_COMPRESSION, &comp); |
38 |
|
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TIFFGetFieldDefaulted(tif, TIFFTAG_SAMPLEFORMAT, &samp_fmt); |
39 |
|
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TIFFGetFieldDefaulted(tif, TIFFTAG_BITSPERSAMPLE, &bits_samp); |
40 |
|
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switch (phot) { |
41 |
|
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case PHOTOMETRIC_LOGLUV: |
42 |
|
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if (comp == COMPRESSION_SGILOG) |
43 |
|
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return(TC_LOGLUV32); |
44 |
|
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if (comp == COMPRESSION_SGILOG24) |
45 |
|
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return(TC_LOGLUV24); |
46 |
|
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return(0); |
47 |
|
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case PHOTOMETRIC_LOGL: |
48 |
|
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if (comp == COMPRESSION_SGILOG) |
49 |
|
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return(TC_LOGL16); |
50 |
|
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return(0); |
51 |
|
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case PHOTOMETRIC_MINISBLACK: |
52 |
|
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if (samp_fmt == SAMPLEFORMAT_UINT) { |
53 |
|
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if (bits_samp == 16) |
54 |
|
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return(TC_GRYSHORT); |
55 |
|
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return(0); |
56 |
|
|
} |
57 |
|
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if (samp_fmt == SAMPLEFORMAT_IEEEFP) { |
58 |
|
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if (bits_samp == 8*sizeof(float)) |
59 |
|
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return(TC_GRYFLOAT); |
60 |
|
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return(0); |
61 |
|
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} |
62 |
|
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return(0); |
63 |
|
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case PHOTOMETRIC_RGB: |
64 |
|
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if (samp_fmt == SAMPLEFORMAT_UINT) { |
65 |
|
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if (bits_samp == 16) |
66 |
|
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return(TC_RGBSHORT); |
67 |
|
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return(0); |
68 |
|
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} |
69 |
|
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if (samp_fmt == SAMPLEFORMAT_IEEEFP) { |
70 |
|
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if (bits_samp == 8*sizeof(float)) |
71 |
|
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return(TC_RGBFLOAT); |
72 |
|
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return(0); |
73 |
|
|
} |
74 |
|
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return(0); |
75 |
|
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} |
76 |
|
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return(0); |
77 |
|
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} |
78 |
greg |
3.1 |
|
79 |
greg |
3.3 |
/* load and convert TIFF */ |
80 |
greg |
3.1 |
int |
81 |
greg |
3.5 |
tmLoadTIFF(TMstruct *tms, TMbright **lpp, BYTE **cpp, |
82 |
|
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int *xp, int *yp, char *fname, TIFF *tp) |
83 |
greg |
3.1 |
{ |
84 |
|
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char *funcName = fname==NULL ? "tmLoadTIFF" : fname; |
85 |
greg |
3.5 |
RGBPRIMP inppri = tms->monpri; |
86 |
greg |
3.3 |
RGBPRIMS myprims; |
87 |
|
|
float *fa; |
88 |
greg |
3.1 |
TIFF *tif; |
89 |
|
|
int err; |
90 |
greg |
3.3 |
union {uint16 *w; uint32 *l; float *f; MEM_PTR p;} sl; |
91 |
greg |
3.1 |
uint32 width, height; |
92 |
greg |
3.3 |
int tcase; |
93 |
greg |
3.1 |
double stonits; |
94 |
|
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int y; |
95 |
|
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/* check arguments */ |
96 |
greg |
3.5 |
if (tms == NULL) |
97 |
greg |
3.1 |
returnErr(TM_E_TMINVAL); |
98 |
schorsch |
3.4 |
if ((lpp == NULL) | (xp == NULL) | (yp == NULL) | |
99 |
|
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((fname == NULL) & (tp == NULL))) |
100 |
greg |
3.1 |
returnErr(TM_E_ILLEGAL); |
101 |
|
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/* check/get TIFF tags */ |
102 |
|
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sl.p = NULL; *lpp = NULL; |
103 |
|
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if (cpp != TM_NOCHROMP) *cpp = TM_NOCHROM; |
104 |
|
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err = TM_E_BADFILE; |
105 |
|
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if ((tif = tp) == NULL && (tif = TIFFOpen(fname, "r")) == NULL) |
106 |
|
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returnErr(TM_E_BADFILE); |
107 |
greg |
3.3 |
tcase = getTIFFtype(tif); |
108 |
|
|
if (!tcase) |
109 |
|
|
goto done; |
110 |
greg |
3.1 |
if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &width) || |
111 |
|
|
!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &height)) |
112 |
|
|
goto done; |
113 |
|
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*xp = width; *yp = height; |
114 |
greg |
3.3 |
if (TIFFGetField(tif, TIFFTAG_PRIMARYCHROMATICITIES, &fa)) { |
115 |
|
|
myprims[RED][CIEX] = fa[0]; |
116 |
|
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myprims[RED][CIEY] = fa[1]; |
117 |
|
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myprims[GRN][CIEX] = fa[2]; |
118 |
|
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myprims[GRN][CIEY] = fa[3]; |
119 |
|
|
myprims[BLU][CIEX] = fa[4]; |
120 |
|
|
myprims[BLU][CIEY] = fa[5]; |
121 |
|
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myprims[WHT][CIEX] = 1./3.; |
122 |
|
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myprims[WHT][CIEY] = 1./3.; |
123 |
|
|
if (TIFFGetField(tif, TIFFTAG_WHITEPOINT, &fa)) { |
124 |
|
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myprims[WHT][CIEX] = fa[0]; |
125 |
|
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myprims[WHT][CIEY] = fa[1]; |
126 |
|
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} |
127 |
|
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inppri = myprims; |
128 |
|
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} |
129 |
greg |
3.1 |
if (!TIFFGetField(tif, TIFFTAG_STONITS, &stonits)) |
130 |
|
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stonits = 1.; |
131 |
greg |
3.3 |
switch (tcase) { /* set up conversion */ |
132 |
|
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case TC_LOGLUV32: |
133 |
|
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case TC_LOGLUV24: |
134 |
greg |
3.1 |
TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_RAW); |
135 |
|
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sl.l = (uint32 *)malloc(width*sizeof(uint32)); |
136 |
greg |
3.6 |
tmSetSpace(tms, TM_XYZPRIM, stonits, NULL); |
137 |
greg |
3.3 |
break; |
138 |
|
|
case TC_LOGL16: |
139 |
greg |
3.1 |
TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_16BIT); |
140 |
|
|
sl.w = (uint16 *)malloc(width*sizeof(uint16)); |
141 |
greg |
3.6 |
tmSetSpace(tms, tms->monpri, stonits, NULL); |
142 |
greg |
3.3 |
break; |
143 |
|
|
case TC_RGBFLOAT: |
144 |
|
|
sl.f = (float *)malloc(width*3*sizeof(float)); |
145 |
greg |
3.6 |
tmSetSpace(tms, inppri, stonits, NULL); |
146 |
greg |
3.3 |
break; |
147 |
|
|
case TC_GRYFLOAT: |
148 |
|
|
sl.f = (float *)malloc(width*sizeof(float)); |
149 |
greg |
3.6 |
tmSetSpace(tms, tms->monpri, stonits, NULL); |
150 |
greg |
3.3 |
break; |
151 |
|
|
case TC_RGBSHORT: |
152 |
|
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sl.w = (uint16 *)malloc(width*3*sizeof(uint16)); |
153 |
greg |
3.6 |
tmSetSpace(tms, inppri, stonits, NULL); |
154 |
greg |
3.3 |
break; |
155 |
|
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case TC_GRYSHORT: |
156 |
|
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sl.w = (uint16 *)malloc(width*sizeof(uint16)); |
157 |
greg |
3.6 |
tmSetSpace(tms, tms->monpri, stonits, NULL); |
158 |
greg |
3.3 |
break; |
159 |
|
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default: |
160 |
|
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err = TM_E_CODERR1; |
161 |
greg |
3.1 |
goto done; |
162 |
greg |
3.3 |
} |
163 |
greg |
3.1 |
*lpp = (TMbright *)malloc(width*height*sizeof(TMbright)); |
164 |
schorsch |
3.4 |
if ((sl.p == NULL) | (*lpp == NULL)) { |
165 |
greg |
3.1 |
err = TM_E_NOMEM; |
166 |
|
|
goto done; |
167 |
|
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} |
168 |
greg |
3.3 |
switch (tcase) { /* allocate color if needed */ |
169 |
|
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case TC_LOGLUV32: |
170 |
|
|
case TC_LOGLUV24: |
171 |
|
|
case TC_RGBFLOAT: |
172 |
|
|
case TC_RGBSHORT: |
173 |
|
|
if (cpp == TM_NOCHROMP) |
174 |
|
|
break; |
175 |
|
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*cpp = (BYTE *)malloc(width*height*3*sizeof(BYTE)); |
176 |
|
|
if (*cpp == NULL) { |
177 |
|
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err = TM_E_NOMEM; |
178 |
|
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goto done; |
179 |
|
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} |
180 |
|
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break; |
181 |
|
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} |
182 |
greg |
3.1 |
/* read and convert each scanline */ |
183 |
|
|
for (y = 0; y < height; y++) { |
184 |
|
|
if (TIFFReadScanline(tif, sl.p, y, 0) < 0) { |
185 |
|
|
err = TM_E_BADFILE; |
186 |
|
|
break; |
187 |
|
|
} |
188 |
greg |
3.3 |
switch (tcase) { |
189 |
|
|
case TC_LOGLUV32: |
190 |
greg |
3.5 |
err = tmCvLuv32(tms, *lpp + y*width, |
191 |
greg |
3.3 |
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
192 |
|
|
sl.l, width); |
193 |
|
|
break; |
194 |
|
|
case TC_LOGLUV24: |
195 |
greg |
3.5 |
err = tmCvLuv24(tms, *lpp + y*width, |
196 |
greg |
3.1 |
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
197 |
|
|
sl.l, width); |
198 |
greg |
3.3 |
break; |
199 |
|
|
case TC_LOGL16: |
200 |
greg |
3.5 |
err = tmCvL16(tms, *lpp + y*width, sl.w, width); |
201 |
greg |
3.3 |
break; |
202 |
|
|
case TC_RGBFLOAT: |
203 |
greg |
3.5 |
err = tmCvColors(tms, *lpp + y*width, |
204 |
greg |
3.3 |
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
205 |
|
|
(COLOR *)sl.f, width); |
206 |
|
|
break; |
207 |
|
|
case TC_GRYFLOAT: |
208 |
greg |
3.5 |
err = tmCvGrays(tms, *lpp + y*width, sl.f, width); |
209 |
greg |
3.3 |
break; |
210 |
|
|
case TC_RGBSHORT: |
211 |
greg |
3.5 |
err = tmCvRGB48(tms, *lpp + y*width, |
212 |
greg |
3.1 |
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
213 |
greg |
3.3 |
(uint16 (*)[3])sl.w, width, DEFGAM); |
214 |
|
|
break; |
215 |
|
|
case TC_GRYSHORT: |
216 |
greg |
3.5 |
err = tmCvGray16(tms, *lpp + y*width, |
217 |
|
|
sl.w, width, DEFGAM); |
218 |
greg |
3.3 |
break; |
219 |
|
|
default: |
220 |
|
|
err = TM_E_CODERR1; |
221 |
|
|
break; |
222 |
|
|
} |
223 |
greg |
3.1 |
if (err != TM_E_OK) |
224 |
|
|
break; |
225 |
|
|
} |
226 |
|
|
done: /* clean up */ |
227 |
|
|
if (tp == NULL) |
228 |
|
|
TIFFClose(tif); |
229 |
|
|
if (sl.p != NULL) |
230 |
|
|
free(sl.p); |
231 |
|
|
if (err != TM_E_OK) { /* free buffers on error */ |
232 |
|
|
if (*lpp != NULL) |
233 |
|
|
free((MEM_PTR)*lpp); |
234 |
|
|
*lpp = NULL; |
235 |
|
|
if (cpp != TM_NOCHROMP) { |
236 |
|
|
if (*cpp != TM_NOCHROM) |
237 |
|
|
free((MEM_PTR)*cpp); |
238 |
|
|
*cpp = NULL; |
239 |
|
|
} |
240 |
|
|
*xp = *yp = 0; |
241 |
|
|
returnErr(err); |
242 |
|
|
} |
243 |
|
|
returnOK; |
244 |
|
|
} |
245 |
|
|
|
246 |
|
|
|
247 |
|
|
/* |
248 |
|
|
* Load and tone-map a SGILOG TIFF. |
249 |
|
|
* Beware of greyscale input -- you must check the PHOTOMETRIC tag to |
250 |
|
|
* determine that the returned array contains only grey values, not RGB. |
251 |
|
|
* As in tmMapPicture(), grey values are also returned if flags&TM_F_BW. |
252 |
|
|
*/ |
253 |
|
|
int |
254 |
greg |
3.3 |
tmMapTIFF(BYTE **psp, int *xp, int *yp, int flags, RGBPRIMP monpri, |
255 |
|
|
double gamval, double Lddyn, double Ldmax, char *fname, TIFF *tp) |
256 |
greg |
3.1 |
{ |
257 |
|
|
char *funcName = fname==NULL ? "tmMapTIFF" : fname; |
258 |
greg |
3.5 |
TMstruct *tms; |
259 |
greg |
3.1 |
TMbright *lp; |
260 |
|
|
BYTE *cp; |
261 |
|
|
int err; |
262 |
|
|
/* check arguments */ |
263 |
schorsch |
3.4 |
if ((psp == NULL) | (xp == NULL) | (yp == NULL) | (monpri == NULL) | |
264 |
|
|
((fname == NULL) & (tp == NULL))) |
265 |
greg |
3.1 |
returnErr(TM_E_ILLEGAL); |
266 |
|
|
if (gamval < MINGAM) gamval = DEFGAM; |
267 |
|
|
if (Lddyn < MINLDDYN) Lddyn = DEFLDDYN; |
268 |
|
|
if (Ldmax < MINLDMAX) Ldmax = DEFLDMAX; |
269 |
|
|
if (flags & TM_F_BW) monpri = stdprims; |
270 |
|
|
/* initialize tone mapping */ |
271 |
greg |
3.5 |
if ((tms = tmInit(flags, monpri, gamval)) == NULL) |
272 |
greg |
3.1 |
returnErr(TM_E_NOMEM); |
273 |
|
|
/* load and convert TIFF */ |
274 |
|
|
cp = TM_NOCHROM; |
275 |
greg |
3.5 |
err = tmLoadTIFF(tms, &lp, flags&TM_F_BW ? TM_NOCHROMP : &cp, |
276 |
greg |
3.1 |
xp, yp, fname, tp); |
277 |
|
|
if (err != TM_E_OK) { |
278 |
greg |
3.5 |
tmDone(tms); |
279 |
greg |
3.1 |
return(err); |
280 |
|
|
} |
281 |
|
|
if (cp == TM_NOCHROM) { |
282 |
|
|
*psp = (BYTE *)malloc(*xp * *yp * sizeof(BYTE)); |
283 |
|
|
if (*psp == NULL) { |
284 |
|
|
free((MEM_PTR)lp); |
285 |
greg |
3.5 |
tmDone(tms); |
286 |
greg |
3.1 |
returnErr(TM_E_NOMEM); |
287 |
|
|
} |
288 |
|
|
} else |
289 |
|
|
*psp = cp; |
290 |
|
|
/* compute color mapping */ |
291 |
greg |
3.5 |
err = tmAddHisto(tms, lp, *xp * *yp, 1); |
292 |
greg |
3.1 |
if (err != TM_E_OK) |
293 |
|
|
goto done; |
294 |
greg |
3.5 |
err = tmComputeMapping(tms, gamval, Lddyn, Ldmax); |
295 |
greg |
3.1 |
if (err != TM_E_OK) |
296 |
|
|
goto done; |
297 |
|
|
/* map pixels */ |
298 |
greg |
3.5 |
err = tmMapPixels(tms, *psp, lp, cp, *xp * *yp); |
299 |
greg |
3.1 |
|
300 |
|
|
done: /* clean up */ |
301 |
|
|
free((MEM_PTR)lp); |
302 |
greg |
3.5 |
tmDone(tms); |
303 |
greg |
3.1 |
if (err != TM_E_OK) { /* free memory on error */ |
304 |
|
|
free((MEM_PTR)*psp); |
305 |
|
|
*psp = NULL; |
306 |
|
|
*xp = *yp = 0; |
307 |
|
|
returnErr(err); |
308 |
|
|
} |
309 |
|
|
returnOK; |
310 |
|
|
} |