/* $Id: tiffsplit.c,v 1.22 2011-10-22 17:03:01 bfriesen 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 "tif_config.h"

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "tiffio.h"

#ifndef HAVE_GETOPT

extern int getopt(int, char**, char*);

#endif

#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)

#define PATH_LENGTH 8192

static const char TIFF_SUFFIX[] = ".tif";

static char fname[PATH_LENGTH];

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, "%s\n\n", TIFFGetVersion());

fprintf(stderr, "usage: tiffsplit input.tif [prefix]\n");

return (-3);

}

if (argc > 2) {

strncpy(fname, argv[2], sizeof(fname));

fname[sizeof(fname) - 1] = '\0';

}

in = TIFFOpen(argv[1], "r");

if (in != NULL) {

do {

size_t path_len;

char *path;

newfilename();

path_len = strlen(fname) + sizeof(TIFF_SUFFIX);

path = (char *) _TIFFmalloc(path_len);

strncpy(path, fname, path_len);

path[path_len - 1] = '\0';

strncat(path, TIFF_SUFFIX, path_len - strlen(path) - 1);

out = TIFFOpen(path, TIFFIsBigEndian(in)?"wb":"wl");

_TIFFfree(path);

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] = (char)((fnum - lastTurn) / 26) + 'a';

/*

* cycle last letter every file, from a-z, then repeat

*/

fpnt[2] = (char)(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) {

uint32 count = 0;

void *table = NULL;

if (TIFFGetField(in, TIFFTAG_JPEGTABLES, &count, &table)

&& count > 0 && table) {

TIFFSetField(out, TIFFTAG_JPEGTABLES, count, table);

}

}

uint32 count = 0;

CopyField(TIFFTAG_PHOTOMETRIC, shortv);

CopyField2(TIFFTAG_PREDICTOR, count, 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);

CopyField2(TIFFTAG_GROUP3OPTIONS, count, 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, shortv);

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);

CopyField(TIFFTAG_BADFAXLINES, longv);

CopyField(TIFFTAG_CLEANFAXDATA, longv);

CopyField(TIFFTAG_CONSECUTIVEBADFAXLINES, longv);

CopyField(TIFFTAG_FAXRECVPARAMS, longv);

CopyField(TIFFTAG_FAXRECVTIME, longv);

CopyField(TIFFTAG_FAXSUBADDRESS, stringv);

CopyField(TIFFTAG_FAXDCS, stringv);

if (TIFFIsTiled(in))

return (cpTiles(in, out));

else

return (cpStrips(in, out));

}

static int

cpStrips(TIFF* in, TIFF* out)

{

tmsize_t bufsize = TIFFStripSize(in);

unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);

if (buf) {

tstrip_t s, ns = TIFFNumberOfStrips(in);

uint64 *bytecounts;

if (!TIFFGetField(in, TIFFTAG_STRIPBYTECOUNTS, &bytecounts)) {

fprintf(stderr, "tiffsplit: strip byte counts are missing\n");

return (0);

}

for (s = 0; s < ns; s++) {

if (bytecounts[s] > (uint64)bufsize) {

buf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[s]);

if (!buf)

return (0);

bufsize = (tmsize_t)bytecounts[s];

}

if (TIFFReadRawStrip(in, s, buf, (tmsize_t)bytecounts[s]) < 0 ||

TIFFWriteRawStrip(out, s, buf, (tmsize_t)bytecounts[s]) < 0) {

_TIFFfree(buf);

return (0);

}

}

_TIFFfree(buf);

return (1);

}

return (0);

}

static int

cpTiles(TIFF* in, TIFF* out)

{

tmsize_t bufsize = TIFFTileSize(in);

unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);

if (buf) {

ttile_t t, nt = TIFFNumberOfTiles(in);

uint64 *bytecounts;

if (!TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts)) {

fprintf(stderr, "tiffsplit: tile byte counts are missing\n");

return (0);

}

for (t = 0; t < nt; t++) {

if (bytecounts[t] > (uint64) bufsize) {

buf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[t]);

if (!buf)

return (0);

bufsize = (tmsize_t)bytecounts[t];

}

if (TIFFReadRawTile(in, t, buf, (tmsize_t)bytecounts[t]) < 0 ||

TIFFWriteRawTile(out, t, buf, (tmsize_t)bytecounts[t]) < 0) {

_TIFFfree(buf);

return (0);

}

}

_TIFFfree(buf);

return (1);

}

return (0);

}

/* vim: set ts=8 sts=8 sw=8 noet: */

/*

* Local Variables:

* mode: c

* c-basic-offset: 8

* fill-column: 78

* End:

*/