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Diffstat (limited to 'tools/tiffsplit.c')
| -rw-r--r-- | tools/tiffsplit.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/tools/tiffsplit.c b/tools/tiffsplit.c new file mode 100644 index 00000000..4a976794 --- /dev/null +++ b/tools/tiffsplit.c @@ -0,0 +1,230 @@ +/* $Header: /usr/people/sam/tiff/tools/RCS/tiffsplit.c,v 1.11 1995/06/06 23:45:26 sam Exp $ */ + +/* + * Copyright (c) 1992-1995 Sam Leffler + * Copyright (c) 1992-1995 Silicon Graphics, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that (i) the above copyright notices and this permission notice appear in + * all copies of the software and related documentation, and (ii) the names of + * Sam Leffler and Silicon Graphics may not be used in any advertising or + * publicity relating to the software without the specific, prior written + * permission of Sam Leffler and Silicon Graphics. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR + * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, + * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF + * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#if defined(unix) || defined(__unix) +#include "port.h" +#else +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#endif + +#include "tiffio.h" + +#define streq(a,b) (strcmp(a,b) == 0) +#define CopyField(tag, v) \ + if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v) +#define CopyField2(tag, v1, v2) \ + if (TIFFGetField(in, tag, &v1, &v2)) TIFFSetField(out, tag, v1, v2) +#define CopyField3(tag, v1, v2, v3) \ + if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3) + +static char fname[1024+1]; + +static int tiffcp(TIFF*, TIFF*); +static void newfilename(void); +static int cpStrips(TIFF*, TIFF*); +static int cpTiles(TIFF*, TIFF*); + +int +main(int argc, char* argv[]) +{ + TIFF *in, *out; + + if (argc < 2) { + fprintf(stderr, "usage: tiffsplit input.tif [prefix]\n"); + return (-3); + } + if (argc > 2) + strcpy(fname, argv[2]); + in = TIFFOpen(argv[1], "r"); + if (in != NULL) { + do { + char path[1024+1]; + newfilename(); + strcpy(path, fname); + strcat(path, ".tif"); + out = TIFFOpen(path, "w"); + if (out == NULL) + return (-2); + if (!tiffcp(in, out)) + return (-1); + TIFFClose(out); + } while (TIFFReadDirectory(in)); + (void) TIFFClose(in); + } + return (0); +} + +static void +newfilename(void) +{ + static int first = 1; + static long fnum; + static short defname; + static char *fpnt; + + if (first) { + if (fname[0]) { + fpnt = fname + strlen(fname); + defname = 0; + } else { + fname[0] = 'x'; + fpnt = fname + 1; + defname = 1; + } + first = 0; + } +#define MAXFILES 676 + if (fnum == MAXFILES) { + if (!defname || fname[0] == 'z') { + fprintf(stderr, "tiffsplit: too many files.\n"); + exit(1); + } + fname[0]++; + fnum = 0; + } + fpnt[0] = fnum / 26 + 'a'; + fpnt[1] = fnum % 26 + 'a'; + fnum++; +} + +static int +tiffcp(TIFF* in, TIFF* out) +{ + short bitspersample, samplesperpixel, shortv, *shortav; + uint32 w, l; + float floatv; + char *stringv; + uint32 longv; + + CopyField(TIFFTAG_SUBFILETYPE, longv); + CopyField(TIFFTAG_TILEWIDTH, w); + CopyField(TIFFTAG_TILELENGTH, l); + CopyField(TIFFTAG_IMAGEWIDTH, w); + CopyField(TIFFTAG_IMAGELENGTH, l); + CopyField(TIFFTAG_BITSPERSAMPLE, bitspersample); + CopyField(TIFFTAG_COMPRESSION, shortv); + CopyField(TIFFTAG_PREDICTOR, shortv); + CopyField(TIFFTAG_PHOTOMETRIC, shortv); + CopyField(TIFFTAG_THRESHHOLDING, shortv); + CopyField(TIFFTAG_FILLORDER, shortv); + CopyField(TIFFTAG_ORIENTATION, shortv); + CopyField(TIFFTAG_SAMPLESPERPIXEL, samplesperpixel); + CopyField(TIFFTAG_MINSAMPLEVALUE, shortv); + CopyField(TIFFTAG_MAXSAMPLEVALUE, shortv); + CopyField(TIFFTAG_XRESOLUTION, floatv); + CopyField(TIFFTAG_YRESOLUTION, floatv); + CopyField(TIFFTAG_GROUP3OPTIONS, longv); + CopyField(TIFFTAG_GROUP4OPTIONS, longv); + CopyField(TIFFTAG_RESOLUTIONUNIT, shortv); + CopyField(TIFFTAG_PLANARCONFIG, shortv); + CopyField(TIFFTAG_ROWSPERSTRIP, longv); + CopyField(TIFFTAG_XPOSITION, floatv); + CopyField(TIFFTAG_YPOSITION, floatv); + CopyField(TIFFTAG_IMAGEDEPTH, longv); + CopyField(TIFFTAG_TILEDEPTH, longv); + CopyField2(TIFFTAG_EXTRASAMPLES, shortv, shortav); + { uint16 *red, *green, *blue; + CopyField3(TIFFTAG_COLORMAP, red, green, blue); + } + { uint16 shortv2; + CopyField2(TIFFTAG_PAGENUMBER, shortv, shortv2); + } + CopyField(TIFFTAG_ARTIST, stringv); + CopyField(TIFFTAG_IMAGEDESCRIPTION, stringv); + CopyField(TIFFTAG_MAKE, stringv); + CopyField(TIFFTAG_MODEL, stringv); + CopyField(TIFFTAG_SOFTWARE, stringv); + CopyField(TIFFTAG_DATETIME, stringv); + CopyField(TIFFTAG_HOSTCOMPUTER, stringv); + CopyField(TIFFTAG_PAGENAME, stringv); + CopyField(TIFFTAG_DOCUMENTNAME, stringv); + if (TIFFIsTiled(in)) + return (cpTiles(in, out)); + else + return (cpStrips(in, out)); +} + +static int +cpStrips(TIFF* in, TIFF* out) +{ + tsize_t bufsize = TIFFStripSize(in); + unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize); + + if (buf) { + tstrip_t s, ns = TIFFNumberOfStrips(in); + uint32 *bytecounts; + + TIFFGetField(in, TIFFTAG_STRIPBYTECOUNTS, &bytecounts); + for (s = 0; s < ns; s++) { + if (bytecounts[s] > bufsize) { + buf = (unsigned char *)_TIFFrealloc(buf, bytecounts[s]); + if (!buf) + return (0); + bufsize = bytecounts[s]; + } + if (TIFFReadRawStrip(in, s, buf, bytecounts[s]) < 0 || + TIFFWriteRawStrip(out, s, buf, bytecounts[s]) < 0) { + _TIFFfree(buf); + return (0); + } + } + _TIFFfree(buf); + return (1); + } + return (0); +} + +static int +cpTiles(TIFF* in, TIFF* out) +{ + tsize_t bufsize = TIFFTileSize(in); + unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize); + + if (buf) { + ttile_t t, nt = TIFFNumberOfTiles(in); + uint32 *bytecounts; + + TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts); + for (t = 0; t < nt; t++) { + if (bytecounts[t] > bufsize) { + buf = (unsigned char *)_TIFFrealloc(buf, bytecounts[t]); + if (!buf) + return (0); + bufsize = bytecounts[t]; + } + if (TIFFReadRawTile(in, t, buf, bytecounts[t]) < 0 || + TIFFWriteRawTile(out, t, buf, bytecounts[t]) < 0) { + _TIFFfree(buf); + return (0); + } + } + _TIFFfree(buf); + return (1); + } + return (0); +} |