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* Tone map SGILOG TIFF or Radiance picture and output 24-bit RGB TIFF |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <time.h> |
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#include <string.h> |
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#include "rtio.h" |
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#include "platform.h" |
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#include "tiffio.h" |
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#include "color.h" |
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#include "tonemap.h" |
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RGBPRIMP rgbp = stdprims; /* display primaries */ |
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RGBPRIMS myprims; /* overriding display primaries */ |
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double ldmax = 100.; /* maximum display luminance */ |
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double lddyn = 32.; /* display dynamic range */ |
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double lddyn = 100.; /* display dynamic range */ |
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double gamv = 2.2; /* display gamma value */ |
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short ortab[8] = { /* orientation conversion table */ |
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typedef struct { |
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FILE *fp; /* file pointer */ |
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char fmt[32]; /* picture format */ |
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char fmt[MAXFMTLEN]; /* picture format */ |
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double pa; /* pixel aspect ratio */ |
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RESOLU rs; /* picture resolution */ |
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} PICTURE; |
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static int tmap_picture(char *fname, PICTURE *pp); |
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static int tmap_tiff(char *fname, TIFF *tp); |
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static int putimage(uint16 or, uint32 xs, uint32 ys, float xr, float yr, |
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uint16 ru, BYTE *pd); |
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uint16 ru, uby8 *pd); |
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int |
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/* else try opening it */ |
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if ((fp = fopen(fname, "r")) == NULL) |
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return(NULL); |
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SET_FILE_BINARY(fp); |
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/* allocate struct */ |
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if ((pp = (PICTURE *)malloc(sizeof(PICTURE))) == NULL) |
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return(NULL); /* serious error -- should exit? */ |
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uint16 orient; |
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double paspect = (pp->rs.rt & YMAJOR) ? pp->pa : 1./pp->pa; |
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int xsiz, ysiz; |
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< |
BYTE *pix; |
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uby8 *pix; |
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/* read and tone map picture */ |
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if (tmMapPicture(&pix, &xsiz, &ysiz, flags, |
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rgbp, gamv, lddyn, ldmax, fname, pp->fp) != TM_E_OK) |
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float xres, yres; |
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uint16 orient, resunit, phot; |
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int xsiz, ysiz; |
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< |
BYTE *pix; |
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> |
uby8 *pix; |
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/* check to make sure it's SGILOG */ |
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TIFFGetFieldDefaulted(tp, TIFFTAG_PHOTOMETRIC, &phot); |
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if ((phot == PHOTOMETRIC_LOGL) | (phot == PHOTOMETRIC_MINISBLACK)) |
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float xr, |
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float yr, |
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uint16 ru, |
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< |
BYTE *pd |
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> |
uby8 *pd |
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) |
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{ |
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register int y; |