| 1 |
greg |
3.1 |
#ifndef lint |
| 2 |
schorsch |
3.4 |
static const char RCSid[] = "$Id: tmaptiff.c,v 3.3 2003/07/14 04:56:54 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 |
|
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|
| 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 |
|
|
|
| 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 |
|
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} |
| 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 |
|
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} |
| 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 |
3.3 |
tmLoadTIFF(TMbright **lpp, BYTE **cpp, int *xp, int *yp, char *fname, TIFF *tp) |
| 82 |
greg |
3.1 |
{ |
| 83 |
|
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char *funcName = fname==NULL ? "tmLoadTIFF" : fname; |
| 84 |
greg |
3.3 |
RGBPRIMP inppri = tmTop->monpri; |
| 85 |
|
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RGBPRIMS myprims; |
| 86 |
|
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float *fa; |
| 87 |
greg |
3.1 |
TIFF *tif; |
| 88 |
|
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int err; |
| 89 |
greg |
3.3 |
union {uint16 *w; uint32 *l; float *f; MEM_PTR p;} sl; |
| 90 |
greg |
3.1 |
uint32 width, height; |
| 91 |
greg |
3.3 |
int tcase; |
| 92 |
greg |
3.1 |
double stonits; |
| 93 |
|
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int y; |
| 94 |
|
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/* check arguments */ |
| 95 |
|
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if (tmTop == NULL) |
| 96 |
|
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returnErr(TM_E_TMINVAL); |
| 97 |
schorsch |
3.4 |
if ((lpp == NULL) | (xp == NULL) | (yp == NULL) | |
| 98 |
|
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((fname == NULL) & (tp == NULL))) |
| 99 |
greg |
3.1 |
returnErr(TM_E_ILLEGAL); |
| 100 |
|
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/* check/get TIFF tags */ |
| 101 |
|
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sl.p = NULL; *lpp = NULL; |
| 102 |
|
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if (cpp != TM_NOCHROMP) *cpp = TM_NOCHROM; |
| 103 |
|
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err = TM_E_BADFILE; |
| 104 |
|
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if ((tif = tp) == NULL && (tif = TIFFOpen(fname, "r")) == NULL) |
| 105 |
|
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returnErr(TM_E_BADFILE); |
| 106 |
greg |
3.3 |
tcase = getTIFFtype(tif); |
| 107 |
|
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if (!tcase) |
| 108 |
|
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goto done; |
| 109 |
greg |
3.1 |
if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &width) || |
| 110 |
|
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!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &height)) |
| 111 |
|
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goto done; |
| 112 |
|
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*xp = width; *yp = height; |
| 113 |
greg |
3.3 |
if (TIFFGetField(tif, TIFFTAG_PRIMARYCHROMATICITIES, &fa)) { |
| 114 |
|
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myprims[RED][CIEX] = fa[0]; |
| 115 |
|
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myprims[RED][CIEY] = fa[1]; |
| 116 |
|
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myprims[GRN][CIEX] = fa[2]; |
| 117 |
|
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myprims[GRN][CIEY] = fa[3]; |
| 118 |
|
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myprims[BLU][CIEX] = fa[4]; |
| 119 |
|
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myprims[BLU][CIEY] = fa[5]; |
| 120 |
|
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myprims[WHT][CIEX] = 1./3.; |
| 121 |
|
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myprims[WHT][CIEY] = 1./3.; |
| 122 |
|
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if (TIFFGetField(tif, TIFFTAG_WHITEPOINT, &fa)) { |
| 123 |
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myprims[WHT][CIEX] = fa[0]; |
| 124 |
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myprims[WHT][CIEY] = fa[1]; |
| 125 |
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} |
| 126 |
|
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inppri = myprims; |
| 127 |
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} |
| 128 |
greg |
3.1 |
if (!TIFFGetField(tif, TIFFTAG_STONITS, &stonits)) |
| 129 |
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stonits = 1.; |
| 130 |
greg |
3.3 |
switch (tcase) { /* set up conversion */ |
| 131 |
|
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case TC_LOGLUV32: |
| 132 |
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case TC_LOGLUV24: |
| 133 |
greg |
3.1 |
TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_RAW); |
| 134 |
|
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sl.l = (uint32 *)malloc(width*sizeof(uint32)); |
| 135 |
greg |
3.3 |
tmSetSpace(TM_XYZPRIM, stonits); |
| 136 |
|
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break; |
| 137 |
|
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case TC_LOGL16: |
| 138 |
greg |
3.1 |
TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_16BIT); |
| 139 |
|
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sl.w = (uint16 *)malloc(width*sizeof(uint16)); |
| 140 |
greg |
3.3 |
tmSetSpace(tmTop->monpri, stonits); |
| 141 |
|
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break; |
| 142 |
|
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case TC_RGBFLOAT: |
| 143 |
|
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sl.f = (float *)malloc(width*3*sizeof(float)); |
| 144 |
|
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tmSetSpace(inppri, stonits); |
| 145 |
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break; |
| 146 |
|
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case TC_GRYFLOAT: |
| 147 |
|
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sl.f = (float *)malloc(width*sizeof(float)); |
| 148 |
|
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tmSetSpace(tmTop->monpri, stonits); |
| 149 |
|
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break; |
| 150 |
|
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case TC_RGBSHORT: |
| 151 |
|
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sl.w = (uint16 *)malloc(width*3*sizeof(uint16)); |
| 152 |
|
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tmSetSpace(inppri, stonits); |
| 153 |
|
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break; |
| 154 |
|
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case TC_GRYSHORT: |
| 155 |
|
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sl.w = (uint16 *)malloc(width*sizeof(uint16)); |
| 156 |
|
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tmSetSpace(tmTop->monpri, stonits); |
| 157 |
|
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break; |
| 158 |
|
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default: |
| 159 |
|
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err = TM_E_CODERR1; |
| 160 |
greg |
3.1 |
goto done; |
| 161 |
greg |
3.3 |
} |
| 162 |
greg |
3.1 |
*lpp = (TMbright *)malloc(width*height*sizeof(TMbright)); |
| 163 |
schorsch |
3.4 |
if ((sl.p == NULL) | (*lpp == NULL)) { |
| 164 |
greg |
3.1 |
err = TM_E_NOMEM; |
| 165 |
|
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goto done; |
| 166 |
|
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} |
| 167 |
greg |
3.3 |
switch (tcase) { /* allocate color if needed */ |
| 168 |
|
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case TC_LOGLUV32: |
| 169 |
|
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case TC_LOGLUV24: |
| 170 |
|
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case TC_RGBFLOAT: |
| 171 |
|
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case TC_RGBSHORT: |
| 172 |
|
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if (cpp == TM_NOCHROMP) |
| 173 |
|
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break; |
| 174 |
|
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*cpp = (BYTE *)malloc(width*height*3*sizeof(BYTE)); |
| 175 |
|
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if (*cpp == NULL) { |
| 176 |
|
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err = TM_E_NOMEM; |
| 177 |
|
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goto done; |
| 178 |
|
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} |
| 179 |
|
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break; |
| 180 |
|
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} |
| 181 |
greg |
3.1 |
/* read and convert each scanline */ |
| 182 |
|
|
for (y = 0; y < height; y++) { |
| 183 |
|
|
if (TIFFReadScanline(tif, sl.p, y, 0) < 0) { |
| 184 |
|
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err = TM_E_BADFILE; |
| 185 |
|
|
break; |
| 186 |
|
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} |
| 187 |
greg |
3.3 |
switch (tcase) { |
| 188 |
|
|
case TC_LOGLUV32: |
| 189 |
|
|
err = tmCvLuv32(*lpp + y*width, |
| 190 |
|
|
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
| 191 |
|
|
sl.l, width); |
| 192 |
|
|
break; |
| 193 |
|
|
case TC_LOGLUV24: |
| 194 |
greg |
3.1 |
err = tmCvLuv24(*lpp + y*width, |
| 195 |
|
|
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
| 196 |
|
|
sl.l, width); |
| 197 |
greg |
3.3 |
break; |
| 198 |
|
|
case TC_LOGL16: |
| 199 |
|
|
err = tmCvL16(*lpp + y*width, sl.w, width); |
| 200 |
|
|
break; |
| 201 |
|
|
case TC_RGBFLOAT: |
| 202 |
|
|
err = tmCvColors(*lpp + y*width, |
| 203 |
|
|
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
| 204 |
|
|
(COLOR *)sl.f, width); |
| 205 |
|
|
break; |
| 206 |
|
|
case TC_GRYFLOAT: |
| 207 |
|
|
err = tmCvGrays(*lpp + y*width, sl.f, width); |
| 208 |
|
|
break; |
| 209 |
|
|
case TC_RGBSHORT: |
| 210 |
|
|
err = tmCvRGB48(*lpp + y*width, |
| 211 |
greg |
3.1 |
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp+y*3*width, |
| 212 |
greg |
3.3 |
(uint16 (*)[3])sl.w, width, DEFGAM); |
| 213 |
|
|
break; |
| 214 |
|
|
case TC_GRYSHORT: |
| 215 |
|
|
err = tmCvGray16(*lpp + y*width, sl.w, width, DEFGAM); |
| 216 |
|
|
break; |
| 217 |
|
|
default: |
| 218 |
|
|
err = TM_E_CODERR1; |
| 219 |
|
|
break; |
| 220 |
|
|
} |
| 221 |
greg |
3.1 |
if (err != TM_E_OK) |
| 222 |
|
|
break; |
| 223 |
|
|
} |
| 224 |
|
|
done: /* clean up */ |
| 225 |
|
|
if (tp == NULL) |
| 226 |
|
|
TIFFClose(tif); |
| 227 |
|
|
if (sl.p != NULL) |
| 228 |
|
|
free(sl.p); |
| 229 |
|
|
if (err != TM_E_OK) { /* free buffers on error */ |
| 230 |
|
|
if (*lpp != NULL) |
| 231 |
|
|
free((MEM_PTR)*lpp); |
| 232 |
|
|
*lpp = NULL; |
| 233 |
|
|
if (cpp != TM_NOCHROMP) { |
| 234 |
|
|
if (*cpp != TM_NOCHROM) |
| 235 |
|
|
free((MEM_PTR)*cpp); |
| 236 |
|
|
*cpp = NULL; |
| 237 |
|
|
} |
| 238 |
|
|
*xp = *yp = 0; |
| 239 |
|
|
returnErr(err); |
| 240 |
|
|
} |
| 241 |
|
|
returnOK; |
| 242 |
|
|
} |
| 243 |
|
|
|
| 244 |
|
|
|
| 245 |
|
|
/* |
| 246 |
|
|
* Load and tone-map a SGILOG TIFF. |
| 247 |
|
|
* Beware of greyscale input -- you must check the PHOTOMETRIC tag to |
| 248 |
|
|
* determine that the returned array contains only grey values, not RGB. |
| 249 |
|
|
* As in tmMapPicture(), grey values are also returned if flags&TM_F_BW. |
| 250 |
|
|
*/ |
| 251 |
|
|
int |
| 252 |
greg |
3.3 |
tmMapTIFF(BYTE **psp, int *xp, int *yp, int flags, RGBPRIMP monpri, |
| 253 |
|
|
double gamval, double Lddyn, double Ldmax, char *fname, TIFF *tp) |
| 254 |
greg |
3.1 |
{ |
| 255 |
|
|
char *funcName = fname==NULL ? "tmMapTIFF" : fname; |
| 256 |
|
|
TMbright *lp; |
| 257 |
|
|
BYTE *cp; |
| 258 |
|
|
int err; |
| 259 |
|
|
/* check arguments */ |
| 260 |
schorsch |
3.4 |
if ((psp == NULL) | (xp == NULL) | (yp == NULL) | (monpri == NULL) | |
| 261 |
|
|
((fname == NULL) & (tp == NULL))) |
| 262 |
greg |
3.1 |
returnErr(TM_E_ILLEGAL); |
| 263 |
|
|
if (gamval < MINGAM) gamval = DEFGAM; |
| 264 |
|
|
if (Lddyn < MINLDDYN) Lddyn = DEFLDDYN; |
| 265 |
|
|
if (Ldmax < MINLDMAX) Ldmax = DEFLDMAX; |
| 266 |
|
|
if (flags & TM_F_BW) monpri = stdprims; |
| 267 |
|
|
/* initialize tone mapping */ |
| 268 |
|
|
if (tmInit(flags, monpri, gamval) == NULL) |
| 269 |
|
|
returnErr(TM_E_NOMEM); |
| 270 |
|
|
/* load and convert TIFF */ |
| 271 |
|
|
cp = TM_NOCHROM; |
| 272 |
|
|
err = tmLoadTIFF(&lp, flags&TM_F_BW ? TM_NOCHROMP : &cp, |
| 273 |
|
|
xp, yp, fname, tp); |
| 274 |
|
|
if (err != TM_E_OK) { |
| 275 |
|
|
tmDone(NULL); |
| 276 |
|
|
return(err); |
| 277 |
|
|
} |
| 278 |
|
|
if (cp == TM_NOCHROM) { |
| 279 |
|
|
*psp = (BYTE *)malloc(*xp * *yp * sizeof(BYTE)); |
| 280 |
|
|
if (*psp == NULL) { |
| 281 |
|
|
free((MEM_PTR)lp); |
| 282 |
|
|
tmDone(NULL); |
| 283 |
|
|
returnErr(TM_E_NOMEM); |
| 284 |
|
|
} |
| 285 |
|
|
} else |
| 286 |
|
|
*psp = cp; |
| 287 |
|
|
/* compute color mapping */ |
| 288 |
|
|
err = tmAddHisto(lp, *xp * *yp, 1); |
| 289 |
|
|
if (err != TM_E_OK) |
| 290 |
|
|
goto done; |
| 291 |
|
|
err = tmComputeMapping(gamval, Lddyn, Ldmax); |
| 292 |
|
|
if (err != TM_E_OK) |
| 293 |
|
|
goto done; |
| 294 |
|
|
/* map pixels */ |
| 295 |
|
|
err = tmMapPixels(*psp, lp, cp, *xp * *yp); |
| 296 |
|
|
|
| 297 |
|
|
done: /* clean up */ |
| 298 |
|
|
free((MEM_PTR)lp); |
| 299 |
|
|
tmDone(NULL); |
| 300 |
|
|
if (err != TM_E_OK) { /* free memory on error */ |
| 301 |
|
|
free((MEM_PTR)*psp); |
| 302 |
|
|
*psp = NULL; |
| 303 |
|
|
*xp = *yp = 0; |
| 304 |
|
|
returnErr(err); |
| 305 |
|
|
} |
| 306 |
|
|
returnOK; |
| 307 |
|
|
} |
