/* $Id: fax2tiff.c,v 1.28 2017-10-29 18:28:45 bfriesen 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 or 4 FAX file to TIFF Group 3 or 4 format. */ #include "tif_config.h" #include #include /* should have atof & getopt */ #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_FCNTL_H # include #endif #ifdef HAVE_IO_H # include #endif #ifdef NEED_LIBPORT # include "libport.h" #endif #include "tiffiop.h" #ifndef EXIT_SUCCESS # define EXIT_SUCCESS 0 #endif #ifndef EXIT_FAILURE # define EXIT_FAILURE 1 #endif #define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3) TIFF *faxTIFF; char *rowbuf; char *refbuf; uint32 xsize = 1728; int verbose; int stretch; uint16 badfaxrun; uint32 badfaxlines; int copyFaxFile(TIFF* tifin, TIFF* tifout); static void usage(void); /* Struct to carry client data. Note that it does not appear that the client data is actually used in this program. */ typedef struct _FAX_Client_Data { #if defined(_WIN32) && defined(USE_WIN32_FILEIO) intptr_t fh; /* Operating system file handle */ #else int fd; /* Integer file descriptor */ #endif } FAX_Client_Data; int main(int argc, char* argv[]) { FILE *in; TIFF *out = NULL; FAX_Client_Data client_data; TIFFErrorHandler whandler = NULL; int compression_in = COMPRESSION_CCITTFAX3; int compression_out = COMPRESSION_CCITTFAX3; int fillorder_in = FILLORDER_LSB2MSB; int fillorder_out = FILLORDER_LSB2MSB; uint32 group3options_in = 0; /* 1d-encoded */ uint32 group3options_out = 0; /* 1d-encoded */ uint32 group4options_in = 0; /* compressed */ uint32 group4options_out = 0; /* compressed */ uint32 defrowsperstrip = (uint32) 0; uint32 rowsperstrip; int photometric_in = PHOTOMETRIC_MINISWHITE; int photometric_out = PHOTOMETRIC_MINISWHITE; int mode = FAXMODE_CLASSF; int rows; int c; int pn, npages; float resY = 196.0; #if !HAVE_DECL_OPTARG extern int optind; extern char* optarg; #endif while ((c = getopt(argc, argv, "R:X:o:r:1234ABLMPUW5678abcflmprsuvwz?")) != -1) switch (c) { /* input-related options */ case '3': /* input is g3-encoded */ compression_in = COMPRESSION_CCITTFAX3; break; case '4': /* input is g4-encoded */ compression_in = COMPRESSION_CCITTFAX4; break; case 'U': /* input is uncompressed (g3 and g4) */ group3options_in |= GROUP3OPT_UNCOMPRESSED; group4options_in |= GROUP4OPT_UNCOMPRESSED; break; case '1': /* input is 1d-encoded (g3 only) */ group3options_in &= ~GROUP3OPT_2DENCODING; break; case '2': /* input is 2d-encoded (g3 only) */ group3options_in |= GROUP3OPT_2DENCODING; break; case 'P': /* input has not-aligned EOL (g3 only) */ group3options_in &= ~GROUP3OPT_FILLBITS; break; case 'A': /* input has aligned EOL (g3 only) */ group3options_in |= GROUP3OPT_FILLBITS; break; case 'W': /* input has 0 mean white */ photometric_in = PHOTOMETRIC_MINISWHITE; break; case 'B': /* input has 0 mean black */ photometric_in = PHOTOMETRIC_MINISBLACK; break; case 'L': /* input has lsb-to-msb fillorder */ fillorder_in = FILLORDER_LSB2MSB; break; case 'M': /* input has msb-to-lsb fillorder */ fillorder_in = FILLORDER_MSB2LSB; break; case 'R': /* input resolution */ resY = (float) atof(optarg); break; case 'X': /* input width */ xsize = (uint32) atoi(optarg); break; /* output-related options */ case '7': /* generate g3-encoded output */ compression_out = COMPRESSION_CCITTFAX3; break; case '8': /* generate g4-encoded output */ compression_out = COMPRESSION_CCITTFAX4; break; case 'u': /* generate uncompressed output (g3 and g4) */ group3options_out |= GROUP3OPT_UNCOMPRESSED; group4options_out |= GROUP4OPT_UNCOMPRESSED; break; case '5': /* generate 1d-encoded output (g3 only) */ group3options_out &= ~GROUP3OPT_2DENCODING; break; case '6': /* generate 2d-encoded output (g3 only) */ group3options_out |= GROUP3OPT_2DENCODING; 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_out = FILLORDER_MSB2LSB; break; case 'l': /* output's fillorder is lsb-to-msb */ fillorder_out = FILLORDER_LSB2MSB; break; case 'o': out = TIFFOpen(optarg, "w"); if (out == NULL) { fprintf(stderr, "%s: Can not create or open %s\n", argv[0], optarg); return EXIT_FAILURE; } break; case 'a': /* generate EOL-aligned output (g3 only) */ group3options_out |= GROUP3OPT_FILLBITS; break; case 'p': /* generate not EOL-aligned output (g3 only) */ group3options_out &= ~GROUP3OPT_FILLBITS; break; case 'r': /* rows/strip */ defrowsperstrip = atol(optarg); break; case 's': /* stretch image by dup'ng scanlines */ stretch = 1; break; case 'w': /* undocumented -- for testing */ photometric_out = PHOTOMETRIC_MINISWHITE; break; case 'b': /* undocumented -- for testing */ photometric_out = PHOTOMETRIC_MINISBLACK; break; case 'z': /* undocumented -- for testing */ compression_out = COMPRESSION_LZW; break; case 'v': /* -v for info */ verbose++; break; case '?': usage(); /*NOTREACHED*/ } npages = argc - optind; if (npages < 1) usage(); rowbuf = _TIFFmalloc(TIFFhowmany8(xsize)); refbuf = _TIFFmalloc(TIFFhowmany8(xsize)); if (rowbuf == NULL || refbuf == NULL) { fprintf(stderr, "%s: Not enough memory\n", argv[0]); return (EXIT_FAILURE); } if (out == NULL) { out = TIFFOpen("fax.tif", "w"); if (out == NULL) { fprintf(stderr, "%s: Can not create fax.tif\n", argv[0]); return (EXIT_FAILURE); } } faxTIFF = TIFFClientOpen("(FakeInput)", "w", /* TIFFClientOpen() fails if we don't set existing value here */ TIFFClientdata(out), TIFFGetReadProc(out), TIFFGetWriteProc(out), TIFFGetSeekProc(out), TIFFGetCloseProc(out), TIFFGetSizeProc(out), TIFFGetMapFileProc(out), TIFFGetUnmapFileProc(out)); if (faxTIFF == NULL) { fprintf(stderr, "%s: Can not create fake input file\n", argv[0]); return (EXIT_FAILURE); } TIFFSetMode(faxTIFF, O_RDONLY); TIFFSetField(faxTIFF, TIFFTAG_IMAGEWIDTH, xsize); TIFFSetField(faxTIFF, TIFFTAG_SAMPLESPERPIXEL, 1); TIFFSetField(faxTIFF, TIFFTAG_BITSPERSAMPLE, 1); TIFFSetField(faxTIFF, TIFFTAG_FILLORDER, fillorder_in); TIFFSetField(faxTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); TIFFSetField(faxTIFF, TIFFTAG_PHOTOMETRIC, photometric_in); TIFFSetField(faxTIFF, TIFFTAG_YRESOLUTION, resY); TIFFSetField(faxTIFF, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH); /* NB: this must be done after directory info is setup */ TIFFSetField(faxTIFF, TIFFTAG_COMPRESSION, compression_in); if (compression_in == COMPRESSION_CCITTFAX3) TIFFSetField(faxTIFF, TIFFTAG_GROUP3OPTIONS, group3options_in); else if (compression_in == COMPRESSION_CCITTFAX4) TIFFSetField(faxTIFF, TIFFTAG_GROUP4OPTIONS, group4options_in); for (pn = 0; optind < argc; pn++, optind++) { in = fopen(argv[optind], "rb"); if (in == NULL) { fprintf(stderr, "%s: %s: Can not open\n", argv[0], argv[optind]); continue; } #if defined(_WIN32) && defined(USE_WIN32_FILEIO) client_data.fh = _get_osfhandle(fileno(in)); #else client_data.fd = fileno(in); #endif TIFFSetClientdata(faxTIFF, (thandle_t) &client_data); TIFFSetFileName(faxTIFF, (const char*)argv[optind]); TIFFSetField(out, TIFFTAG_IMAGEWIDTH, xsize); TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 1); TIFFSetField(out, TIFFTAG_COMPRESSION, compression_out); TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric_out); TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 1); switch (compression_out) { /* g3 */ case COMPRESSION_CCITTFAX3: TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, group3options_out); TIFFSetField(out, TIFFTAG_FAXMODE, mode); rowsperstrip = (defrowsperstrip)?defrowsperstrip:(uint32)-1L; break; /* g4 */ case COMPRESSION_CCITTFAX4: TIFFSetField(out, TIFFTAG_GROUP4OPTIONS, group4options_out); TIFFSetField(out, TIFFTAG_FAXMODE, mode); rowsperstrip = (defrowsperstrip)?defrowsperstrip:(uint32)-1L; break; default: rowsperstrip = (defrowsperstrip) ? defrowsperstrip : TIFFDefaultStripSize(out, 0); } TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip); TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); TIFFSetField(out, TIFFTAG_FILLORDER, fillorder_out); TIFFSetField(out, TIFFTAG_SOFTWARE, "fax2tiff"); TIFFSetField(out, TIFFTAG_XRESOLUTION, 204.0); if (!stretch) { TIFFGetField(faxTIFF, TIFFTAG_YRESOLUTION, &resY); TIFFSetField(out, TIFFTAG_YRESOLUTION, resY); } else TIFFSetField(out, TIFFTAG_YRESOLUTION, 196.); TIFFSetField(out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH); TIFFSetField(out, TIFFTAG_PAGENUMBER, pn, 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_out == 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); _TIFFfree(rowbuf); _TIFFfree(refbuf); return (EXIT_SUCCESS); } int copyFaxFile(TIFF* tifin, TIFF* tifout) { uint32 row; uint32 linesize = TIFFhowmany8(xsize); uint16 badrun; int ok; tifin->tif_rawdatasize = (tmsize_t)TIFFGetFileSize(tifin); if (tifin->tif_rawdatasize == 0) { TIFFError(tifin->tif_name, "Empty input file"); return (0); } tifin->tif_rawdata = _TIFFmalloc(tifin->tif_rawdatasize); if (tifin->tif_rawdata == NULL) { TIFFError(tifin->tif_name, "Not enough memory"); return (0); } if (!ReadOK(tifin, tifin->tif_rawdata, tifin->tif_rawdatasize)) { TIFFError(tifin->tif_name, "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, linesize); row = 0; badrun = 0; /* current run of bad lines */ while (tifin->tif_rawcc > 0) { ok = (*tifin->tif_decoderow)(tifin, (tdata_t) rowbuf, linesize, 0); if (!ok) { badfaxlines++; badrun++; /* regenerate line from previous good line */ _TIFFmemcpy(rowbuf, refbuf, linesize); } else { if (badrun > badfaxrun) badfaxrun = badrun; badrun = 0; _TIFFmemcpy(refbuf, rowbuf, linesize); } 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.raw...", "where options are:", " -3 input data is G3-encoded [default]", " -4 input data is G4-encoded", " -U input data is uncompressed (G3 or G4)", " -1 input data is 1D-encoded (G3 only) [default]", " -2 input data is 2D-encoded (G3 only)", " -P input is not EOL-aligned (G3 only) [default]", " -A input is EOL-aligned (G3 only)", " -M input data has MSB2LSB bit order", " -L input data has LSB2MSB bit order [default]", " -B input data has min 0 means black", " -W input data has min 0 means white [default]", " -R # input data has # resolution (lines/inch) [default is 196]", " -X # input data has # width [default is 1728]", "", " -o out.tif write output to out.tif", " -7 generate G3-encoded output [default]", " -8 generate G4-encoded output", " -u generate uncompressed output (G3 or G4)", " -5 generate 1D-encoded output (G3 only)", " -6 generate 2D-encoded output (G3 only) [default]", " -p generate not EOL-aligned output (G3 only)", " -a generate EOL-aligned output (G3 only) [default]", " -c generate \"classic\" TIFF format", " -f generate TIFF Class F (TIFF/F) format [default]", " -m output fill order is MSB2LSB", " -l output fill order is LSB2MSB [default]", " -r # make each strip have no more than # rows", " -s stretch image by duplicating scanlines", " -v print information about conversion work", " -z generate LZW compressed output", NULL }; static void usage(void) { char buf[BUFSIZ]; int i; setbuf(stderr, buf); fprintf(stderr, "%s\n\n", TIFFGetVersion()); for (i = 0; stuff[i] != NULL; i++) fprintf(stderr, "%s\n", stuff[i]); exit(EXIT_FAILURE); } /* vim: set ts=8 sts=8 sw=8 noet: */ /* * Local Variables: * mode: c * c-basic-offset: 8 * fill-column: 78 * End: */