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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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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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#undef NOPROTO |
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#define NOPROTO 1 |
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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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|
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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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#include "tmaptiff.h" |
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#include "resolu.h" |
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0 |
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}; |
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extern FILE *openpicture(); |
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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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double pa; /* pixel aspect ratio */ |
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RESOLU rs; /* picture resolution */ |
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} PICTURE; |
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|
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//extern PICTURE *openpicture(); |
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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#define closepicture(p) (fclose((p)->fp),free((void *)(p))) |
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|
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static gethfunc headline; |
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|
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static int headline(char *s, void *pp); |
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static PICTURE * openpicture(char *fname); |
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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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|
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|
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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FILE *fin = NULL; |
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PICTURE *pin = NULL; |
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TIFF *tin = NULL; |
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int i; |
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int i, rval; |
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|
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
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switch (argv[i][1]) { |
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goto userr; |
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} |
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if (argc-i < 2) goto userr; |
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if ((fin = openpicture(argv[i])) == NULL && |
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if ((pin = openpicture(argv[i])) == NULL && |
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(tin = TIFFOpen(argv[i], "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open or interpret file \"%s\"\n", |
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argv[0], argv[i]); |
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argv[0], argv[i+1]); |
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exit(1); |
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} |
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if (fin != NULL) { |
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tmap_picture(argv[i], fin); |
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fclose(fin); |
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if (pin != NULL) { |
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rval = tmap_picture(argv[i], pin); |
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closepicture(pin); |
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} else { |
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tmap_tiff(argv[i], tin); |
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rval = tmap_tiff(argv[i], tin); |
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TIFFClose(tin); |
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} |
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TIFFClose(tifout); |
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exit(0); |
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exit(rval==0 ? 0 : 1); |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-h][-s][-c][-l][-b][-g gv][-d ld][-u lm][-p xr yr xg yg xb yb xw yw] input.{tif|pic} output.tif\n", |
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} |
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FILE * |
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openpicture(fname) /* open/check Radiance picture file */ |
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char *fname; |
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static int |
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headline( /* process line from header */ |
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char *s, |
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void *pp |
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) |
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{ |
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register char *cp; |
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|
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for (cp = s; *cp; cp++) |
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if (*cp & 0x80) |
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return(-1); /* non-ascii in header */ |
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if (isaspect(s)) |
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((PICTURE *)pp)->pa *= aspectval(s); |
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else |
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formatval(((PICTURE *)pp)->fmt, s); |
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return(0); |
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} |
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|
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|
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static PICTURE * |
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openpicture( /* open/check Radiance picture file */ |
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char *fname |
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) |
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{ |
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FILE *fp; |
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char inpfmt[32]; |
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int xsiz, ysiz; |
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register PICTURE *pp; |
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register char *cp; |
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/* check filename suffix */ |
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if (fname == NULL) return(NULL); |
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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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/* check format */ |
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strcpy(inpfmt, PICFMT); |
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if (checkheader(fp, inpfmt, NULL) < 0 || |
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fgetresolu(&xsiz, &ysiz, fp) < 0) { |
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fclose(fp); /* failed test -- close file */ |
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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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pp->fp = fp; pp->fmt[0] = '\0'; pp->pa = 1.; |
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/* load header */ |
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if (getheader(fp, headline, pp) < 0) { |
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closepicture(pp); |
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return(NULL); |
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} |
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if (!pp->fmt[0]) /* assume RGBE if unspecified */ |
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strcpy(pp->fmt, COLRFMT); |
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if (!globmatch(PICFMT, pp->fmt) || !fgetsresolu(&pp->rs, fp)) { |
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closepicture(pp); /* failed test -- close file */ |
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return(NULL); |
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} |
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rewind(fp); /* passed test -- rewind file */ |
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return(fp); |
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return(pp); |
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} |
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getpixrat(s, pr) /* get pixel aspect ratio */ |
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char *s; |
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double *pr; |
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static int |
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tmap_picture( /* tone map Radiance picture */ |
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char *fname, |
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register PICTURE *pp |
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) |
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{ |
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if (isaspect(s)) |
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*pr *= aspectval(s); |
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} |
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|
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|
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tmap_picture(fname, fp) /* tone map Radiance picture */ |
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char *fname; |
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FILE *fp; |
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{ |
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double pixrat; |
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int ord; |
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uint16 orient; |
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int xsiz, ysiz; |
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BYTE *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, fp) != TM_E_OK) |
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exit(1); |
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/* get relevant header info. */ |
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rewind(fp); |
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pixrat = 1.; |
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getheader(fp, getpixrat, &pixrat); |
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if ((ord = fgetresolu(&xsiz, &ysiz, fp)) < 0) |
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orient = 0; |
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else |
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for (orient = 8; --orient; ) |
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if (ortab[orient] == ord) |
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break; |
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rgbp, gamv, lddyn, ldmax, fname, pp->fp) != TM_E_OK) |
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return(-1); |
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/* figure out TIFF orientation */ |
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for (orient = 8; --orient; ) |
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if (ortab[orient] == pp->rs.rt) |
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break; |
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orient++; |
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/* put out our image */ |
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putimage(orient, (uint32)xsiz, (uint32)ysiz, 72., 72./pixrat, 2, pix); |
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if (putimage(orient, (uint32)xsiz, (uint32)ysiz, |
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72., 72./pp->pa, 2, pix) != 0) |
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return(-1); |
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/* free data and we're done */ |
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free((char *)pix); |
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free((void *)pix); |
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return(0); |
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} |
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tmap_tiff(fname, tp) /* tone map SGILOG TIFF */ |
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char *fname; |
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TIFF *tp; |
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static int |
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tmap_tiff( /* tone map SGILOG TIFF */ |
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char *fname, |
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TIFF *tp |
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) |
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{ |
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float xres, yres; |
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uint16 orient, resunit, phot; |
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BYTE *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_LOGLUV && phot != PHOTOMETRIC_LOGL) { |
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fprintf(stderr, "%s: TIFF must be in SGILOG format\n", fname); |
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exit(1); |
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} |
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if (phot == PHOTOMETRIC_LOGL) |
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if ((phot == PHOTOMETRIC_LOGL) | (phot == PHOTOMETRIC_MINISBLACK)) |
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flags |= TM_F_BW; |
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/* read and tone map TIFF */ |
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if (tmMapTIFF(&pix, &xsiz, &ysiz, flags, |
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rgbp, gamv, lddyn, ldmax, fname, tp) != TM_E_OK) |
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exit(1); |
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return(-1); |
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/* get relevant tags */ |
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TIFFGetFieldDefaulted(tp, TIFFTAG_RESOLUTIONUNIT, &resunit); |
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TIFFGetFieldDefaulted(tp, TIFFTAG_XRESOLUTION, &xres); |
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TIFFGetFieldDefaulted(tp, TIFFTAG_YRESOLUTION, &yres); |
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TIFFGetFieldDefaulted(tp, TIFFTAG_ORIENTATION, &orient); |
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/* put out our image */ |
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putimage(orient, (uint32)xsiz, (uint32)ysiz, xres, yres, resunit, pix); |
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if (putimage(orient, (uint32)xsiz, (uint32)ysiz, |
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xres, yres, resunit, pix) != 0) |
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return(-1); |
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/* free data and we're done */ |
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free((char *)pix); |
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free((void *)pix); |
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return(0); |
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} |
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|
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putimage(or, xs, ys, xr, yr, ru, pd) /* write out our image */ |
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uint16 or; |
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uint32 xs, ys; |
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float xr, yr; |
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uint16 ru; |
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BYTE *pd; |
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static int |
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putimage( /* write out our image */ |
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uint16 or, |
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uint32 xs, |
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uint32 ys, |
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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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) |
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{ |
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register int y; |
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uint32 rowsperstrip; |
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if (TIFFWriteScanline(tifout, pd + y*3*xs, y, 0) < 0) |
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goto writerr; |
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} |
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return; /* all done! */ |
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return(0); /* all done! */ |
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writerr: |
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fputs("Error writing TIFF output\n", stderr); |
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< |
exit(2); |
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return(-1); |
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} |