/* $Id: tiffsplit.c,v 1.7 2004-05-25 16:02:22 dron Exp $ */ /* * Copyright (c) 1992-1997 Sam Leffler * Copyright (c) 1992-1997 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. */ #include #include #include #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, TIFFIsBigEndian(in)?"wb":"wl"); 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 lastTurn; 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 17576 if (fnum == MAXFILES) { if (!defname || fname[0] == 'z') { fprintf(stderr, "tiffsplit: too many files.\n"); exit(1); } fname[0]++; fnum = 0; } if (fnum % 676 == 0) { if (fnum != 0) { /* * advance to next letter every 676 pages * condition for 'z'++ will be covered above */ fpnt[0]++; } else { /* * set to 'a' if we are on the very first file */ fpnt[0] = 'a'; } /* * set the value of the last turning point */ lastTurn = fnum; } /* * start from 0 every 676 times (provided by lastTurn) * this keeps us within a-z boundaries */ fpnt[1] = (fnum - lastTurn) / 26 + 'a'; /* * cycle last letter every file, from a-z, then repeat */ fpnt[2] = fnum % 26 + 'a'; fnum++; } static int tiffcp(TIFF* in, TIFF* out) { uint16 bitspersample, samplesperpixel, compression, 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_SAMPLESPERPIXEL, samplesperpixel); CopyField(TIFFTAG_COMPRESSION, compression); if (compression == COMPRESSION_JPEG) { uint16 count; void *table; TIFFGetField(in, TIFFTAG_JPEGTABLES, &count, &table); TIFFSetField(out, TIFFTAG_JPEGTABLES, count, table); } CopyField(TIFFTAG_PHOTOMETRIC, shortv); CopyField(TIFFTAG_PREDICTOR, shortv); CopyField(TIFFTAG_THRESHHOLDING, shortv); CopyField(TIFFTAG_FILLORDER, shortv); CopyField(TIFFTAG_ORIENTATION, shortv); 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); CopyField(TIFFTAG_SAMPLEFORMAT, 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); }