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git-svn-id: http://moon:8086/svn/software/trunk/libsrc/libtiff_2007@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
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jens
2014-07-19 07:44:42 +00:00
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tools/fax2tiff.c
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/* $Header: /home/cvsroot/libtiff/tools/fax2tiff.c,v 1.1.1.1 2000/06/24 19:10:16 tshead Exp $ */
/*
* Copyright (c) 1990-1997 Sam Leffler
* Copyright (c) 1991-1997 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.
*/
/*
* Convert a CCITT Group 3 FAX file to TIFF Group 3 format.
*/
#include <stdio.h>
#include <stdlib.h> /* should have atof & getopt */
#include "tiffiop.h"
#ifndef BINMODE
#define BINMODE
#endif
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
TIFF *faxTIFF;
#define XSIZE 1728
char rowbuf[TIFFhowmany(XSIZE,8)];
char refbuf[TIFFhowmany(XSIZE,8)];
int verbose;
int stretch;
uint16 badfaxrun;
uint32 badfaxlines;
int copyFaxFile(TIFF* tifin, TIFF* tifout);
static void usage(void);
static tsize_t
DummyReadProc(thandle_t fd, tdata_t buf, tsize_t size)
{
(void) fd; (void) buf; (void) size;
return (0);
}
static tsize_t
DummyWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
{
(void) fd; (void) buf; (void) size;
return (size);
}
int
main(int argc, char* argv[])
{
FILE *in;
TIFF *out = NULL;
TIFFErrorHandler whandler;
int compression = COMPRESSION_CCITTFAX3;
int fillorder = FILLORDER_LSB2MSB;
uint32 group3options = GROUP3OPT_FILLBITS|GROUP3OPT_2DENCODING;
int photometric = PHOTOMETRIC_MINISWHITE;
int mode = FAXMODE_CLASSF;
int rows;
int c;
int pn, npages;
extern int optind;
extern char* optarg;
/* smuggle a descriptor out of the library */
faxTIFF = TIFFClientOpen("(FakeInput)", "w", (thandle_t) -1,
DummyReadProc, DummyWriteProc,
NULL, NULL, NULL, NULL, NULL);
if (faxTIFF == NULL)
return (EXIT_FAILURE);
faxTIFF->tif_mode = O_RDONLY;
TIFFSetField(faxTIFF, TIFFTAG_IMAGEWIDTH, XSIZE);
TIFFSetField(faxTIFF, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(faxTIFF, TIFFTAG_BITSPERSAMPLE, 1);
TIFFSetField(faxTIFF, TIFFTAG_FILLORDER, FILLORDER_LSB2MSB);
TIFFSetField(faxTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(faxTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
TIFFSetField(faxTIFF, TIFFTAG_YRESOLUTION, 196.);
TIFFSetField(faxTIFF, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
/* NB: this is normally setup when a directory is read */
faxTIFF->tif_scanlinesize = TIFFScanlineSize(faxTIFF);
while ((c = getopt(argc, argv, "R:o:2BLMW14cflmpsvwz")) != -1)
switch (c) {
/* input-related options */
case '2': /* input is 2d-encoded */
TIFFSetField(faxTIFF,
TIFFTAG_GROUP3OPTIONS, GROUP3OPT_2DENCODING);
break;
case 'B': /* input has 0 mean black */
TIFFSetField(faxTIFF,
TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
break;
case 'L': /* input has lsb-to-msb fillorder */
TIFFSetField(faxTIFF,
TIFFTAG_FILLORDER, FILLORDER_LSB2MSB);
break;
case 'M': /* input has msb-to-lsb fillorder */
TIFFSetField(faxTIFF,
TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);
break;
case 'R': /* input resolution */
TIFFSetField(faxTIFF,
TIFFTAG_YRESOLUTION, atof(optarg));
break;
case 'W': /* input has 0 mean white */
TIFFSetField(faxTIFF,
TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
break;
/* output-related options */
case '1': /* generate 1d-encoded output */
group3options &= ~GROUP3OPT_2DENCODING;
break;
case '4': /* generate g4-encoded output */
compression = COMPRESSION_CCITTFAX4;
break;
case 'c': /* generate "classic" g3 format */
mode = FAXMODE_CLASSIC;
break;
case 'f': /* generate Class F format */
mode = FAXMODE_CLASSF;
break;
case 'm': /* output's fillorder is msb-to-lsb */
fillorder = FILLORDER_MSB2LSB;
break;
case 'o':
out = TIFFOpen(optarg, "w");
if (out == NULL)
return EXIT_FAILURE;
break;
case 'p': /* zero pad output scanline EOLs */
group3options &= ~GROUP3OPT_FILLBITS;
break;
case 's': /* stretch image by dup'ng scanlines */
stretch = 1;
break;
case 'w': /* undocumented -- for testing */
photometric = PHOTOMETRIC_MINISBLACK;
break;
case 'z': /* undocumented -- for testing */
compression = COMPRESSION_LZW;
break;
case 'v': /* -v for info */
verbose++;
break;
case '?':
usage();
/*NOTREACHED*/
}
if (out == NULL) {
out = TIFFOpen("fax.tif", "w");
if (out == NULL)
return (EXIT_FAILURE);
}
faxTIFF->tif_readproc = out->tif_readproc; /* XXX */
faxTIFF->tif_writeproc = out->tif_writeproc; /* XXX */
faxTIFF->tif_seekproc = out->tif_seekproc; /* XXX */
faxTIFF->tif_closeproc = out->tif_closeproc; /* XXX */
faxTIFF->tif_sizeproc = out->tif_sizeproc; /* XXX */
faxTIFF->tif_mapproc = out->tif_mapproc; /* XXX */
faxTIFF->tif_unmapproc = out->tif_unmapproc; /* XXX */
npages = argc - optind;
if (npages < 1)
usage();
/* NB: this must be done after directory info is setup */
TIFFSetField(faxTIFF, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX3);
for (pn = 0; optind < argc; pn++, optind++) {
in = fopen(argv[optind], "r" BINMODE);
if (in == NULL) {
fprintf(stderr,
"%s: %s: Can not open\n", argv[0], argv[optind]);
continue;
}
faxTIFF->tif_fd = fileno(in);
faxTIFF->tif_clientdata = (thandle_t) faxTIFF->tif_fd;
faxTIFF->tif_name = argv[optind];
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, XSIZE);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 1);
TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 1);
if (compression == COMPRESSION_CCITTFAX3) {
TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, group3options);
TIFFSetField(out, TIFFTAG_FAXMODE, mode);
}
if (compression == COMPRESSION_CCITTFAX3 ||
compression == COMPRESSION_CCITTFAX4)
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, -1L);
else
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
TIFFDefaultStripSize(out, 0));
TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(out, TIFFTAG_FILLORDER, fillorder);
TIFFSetField(out, TIFFTAG_SOFTWARE, "fax2tiff");
TIFFSetField(out, TIFFTAG_XRESOLUTION, 204.0);
if (!stretch) {
float yres;
TIFFGetField(faxTIFF, TIFFTAG_YRESOLUTION, &yres);
TIFFSetField(out, TIFFTAG_YRESOLUTION, yres);
} else
TIFFSetField(out, TIFFTAG_YRESOLUTION, 196.);
TIFFSetField(out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
TIFFSetField(out, TIFFTAG_PAGENUMBER, pn+1, npages);
if (!verbose)
whandler = TIFFSetWarningHandler(NULL);
rows = copyFaxFile(faxTIFF, out);
fclose(in);
if (!verbose)
(void) TIFFSetWarningHandler(whandler);
TIFFSetField(out, TIFFTAG_IMAGELENGTH, rows);
if (verbose) {
fprintf(stderr, "%s:\n", argv[optind]);
fprintf(stderr, "%d rows in input\n", rows);
fprintf(stderr, "%ld total bad rows\n",
(long) badfaxlines);
fprintf(stderr, "%d max consecutive bad rows\n", badfaxrun);
}
if (compression == COMPRESSION_CCITTFAX3 &&
mode == FAXMODE_CLASSF) {
TIFFSetField(out, TIFFTAG_BADFAXLINES, badfaxlines);
TIFFSetField(out, TIFFTAG_CLEANFAXDATA, badfaxlines ?
CLEANFAXDATA_REGENERATED : CLEANFAXDATA_CLEAN);
TIFFSetField(out, TIFFTAG_CONSECUTIVEBADFAXLINES, badfaxrun);
}
TIFFWriteDirectory(out);
}
TIFFClose(out);
return (EXIT_SUCCESS);
}
int
copyFaxFile(TIFF* tifin, TIFF* tifout)
{
uint32 row;
uint16 badrun;
int ok;
tifin->tif_rawdatasize = TIFFGetFileSize(tifin);
tifin->tif_rawdata = _TIFFmalloc(tifin->tif_rawdatasize);
if (!ReadOK(tifin, tifin->tif_rawdata, tifin->tif_rawdatasize)) {
TIFFError(tifin->tif_name, "%s: Read error at scanline 0");
return (0);
}
tifin->tif_rawcp = tifin->tif_rawdata;
tifin->tif_rawcc = tifin->tif_rawdatasize;
(*tifin->tif_setupdecode)(tifin);
(*tifin->tif_predecode)(tifin, (tsample_t) 0);
tifin->tif_row = 0;
badfaxlines = 0;
badfaxrun = 0;
_TIFFmemset(refbuf, 0, sizeof (refbuf));
row = 0;
badrun = 0; /* current run of bad lines */
while (tifin->tif_rawcc > 0) {
ok = (*tifin->tif_decoderow)(tifin, (tdata_t) rowbuf,
sizeof (rowbuf), 0);
if (!ok) {
badfaxlines++;
badrun++;
/* regenerate line from previous good line */
_TIFFmemcpy(rowbuf, refbuf, sizeof (rowbuf));
} else {
if (badrun > badfaxrun)
badfaxrun = badrun;
badrun = 0;
_TIFFmemcpy(refbuf, rowbuf, sizeof (rowbuf));
}
tifin->tif_row++;
if (TIFFWriteScanline(tifout, rowbuf, row, 0) < 0) {
fprintf(stderr, "%s: Write error at row %ld.\n",
tifout->tif_name, (long) row);
break;
}
row++;
if (stretch) {
if (TIFFWriteScanline(tifout, rowbuf, row, 0) < 0) {
fprintf(stderr, "%s: Write error at row %ld.\n",
tifout->tif_name, (long) row);
break;
}
row++;
}
}
if (badrun > badfaxrun)
badfaxrun = badrun;
_TIFFfree(tifin->tif_rawdata);
return (row);
}
char* stuff[] = {
"usage: fax2tiff [options] input.g3...",
"where options are:",
" -2 input data is 2d encoded",
" -B input data has min 0 means black",
" -L input data has LSB2MSB bit order (default)",
" -M input data has MSB2LSB bit order",
" -W input data has min 0 means white (default)",
" -R # input data has # resolution (lines/inch) (default is 196)",
"",
" -o out.tif write output to out.tif",
" -1 generate 1d-encoded output (default is G3 2d)",
" -4 generate G4-encoded output (default is G3 2D)",
" -c generate \"classic\" TIFF format (default is TIFF/F)",
" -f generate TIFF Class F (TIFF/F) format (default)",
" -m output fill order is MSB2LSB (default is LSB2MSB)",
" -p do not byte-align EOL codes in output (default is byte-align)",
" -s stretch image by duplicating scanlines",
" -v print information about conversion work",
NULL
};
static void
usage(void)
{
char buf[BUFSIZ];
int i;
setbuf(stderr, buf);
for (i = 0; stuff[i] != NULL; i++)
fprintf(stderr, "%s\n", stuff[i]);
exit(EXIT_FAILURE);
}