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Eric Smith 2001-12-29 17:44:57 +00:00
parent baeb6c45b9
commit 2897b33920
5 changed files with 494 additions and 0 deletions
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238
t2p.c Normal file
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/*
* tiffg4: reencode a bilevel TIFF file as a single-strip TIFF Class F Group 4
* Main program
* $Id: t2p.c,v 1.1 2001/12/29 09:44:24 eric Exp $
* Copyright 2001 Eric Smith <eric@brouhaha.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. Note that permission is
* not granted to redistribute this program under the terms of any
* other version of the General Public License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
*/
#include <stdio.h>
#include <tiffio.h>
#include <panda/functions.h>
#include <panda/constants.h>
#include "type.h"
#include "bitblt.h"
#include "parser.tab.h"
#include "tiff2pdf.h"
TIFF *in;
panda_pdf *out;
boolean close_tiff_input_file (void)
{
if (in)
TIFFClose (in);
in = NULL;
return (1);
}
boolean open_tiff_input_file (char *name)
{
if (in)
close_tiff_input_file ();
in = TIFFOpen (name, "r");
if (! in)
{
fprintf (stderr, "can't open input file '%s'\n", name);
return (0);
}
return (1);
}
boolean close_pdf_output_file (void)
{
if (out)
panda_close (out);
out = NULL;
return (1);
}
boolean open_pdf_output_file (char *name)
{
if (out)
close_pdf_output_file ();
out = panda_open (name, "w");
if (! out)
{
return (0);
}
return (1);
}
boolean process_page (int image) /* range 1 .. n */
{
u32 image_length, image_width;
#ifdef CHECK_DEPTH
u32 image_depth;
#endif
u16 bits_per_sample;
u16 planar_config;
u16 resolution_unit;
float x_resolution, y_resolution;
char *buffer;
u32 row;
if (! TIFFSetDirectory (in, image - 1))
{
fprintf (stderr, "can't find page %d of input file\n", image);
goto fail;
}
if (1 != TIFFGetField (in, TIFFTAG_IMAGELENGTH, & image_length))
{
fprintf (stderr, "can't get image length\n");
goto fail;
}
if (1 != TIFFGetField (in, TIFFTAG_IMAGEWIDTH, & image_width))
{
fprintf (stderr, "can't get image width\n");
goto fail;
}
#ifdef CHECK_DEPTH
if (1 != TIFFGetField (in, TIFFTAG_IMAGEDEPTH, & image_depth))
{
fprintf (stderr, "can't get image depth\n");
goto fail;
}
#endif
if (1 != TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, & bits_per_sample))
{
fprintf (stderr, "can't get bits per sample\n");
goto fail;
}
if (1 != TIFFGetField (in, TIFFTAG_PLANARCONFIG, & planar_config))
planar_config = 1;
printf ("image length %u width %u, "
#ifdef CHECK_DEPTH
"depth %u, "
#endif
"planar config %u\n",
image_length, image_width,
#ifdef CHECK_DEPTH
image_depth,
#endif
planar_config);
if (1 != TIFFGetField (in, TIFFTAG_RESOLUTIONUNIT, & resolution_unit))
resolution_unit = 2;
if (1 != TIFFGetField (in, TIFFTAG_XRESOLUTION, & x_resolution))
x_resolution = 300;
if (1 != TIFFGetField (in, TIFFTAG_YRESOLUTION, & y_resolution))
y_resolution = 300;
printf ("resolution unit %u, x resolution %f, y resolution %f\n",
resolution_unit, x_resolution, y_resolution);
#ifdef CHECK_DEPTH
if (image_depth != 1)
{
fprintf (stderr, "image depth %u, must be 1\n", image_depth);
goto fail;
}
#endif
if (bits_per_sample != 1)
{
fprintf (stderr, "bits per sample %u, must be 1\n", bits_per_sample);
goto fail;
}
if (planar_config != 1)
{
fprintf (stderr, "planar config %u, must be 1\n", planar_config);
goto fail;
}
#if 0
TIFFSetField (out, TIFFTAG_IMAGELENGTH, image_length);
TIFFSetField (out, TIFFTAG_IMAGEWIDTH, image_width);
TIFFSetField (out, TIFFTAG_PLANARCONFIG, planar_config);
TIFFSetField (out, TIFFTAG_ROWSPERSTRIP, image_length);
TIFFSetField (out, TIFFTAG_RESOLUTIONUNIT, resolution_unit);
TIFFSetField (out, TIFFTAG_XRESOLUTION, x_resolution);
TIFFSetField (out, TIFFTAG_YRESOLUTION, y_resolution);
TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, bits_per_sample);
TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
#endif
buffer = _TIFFmalloc (TIFFScanlineSize (in));
if (! buffer)
{
fprintf (stderr, "failed to allocate buffer\n");
goto fail;
}
for (row = 0; row < image_length; row++)
{
TIFFReadScanline (in, buffer, row, 0);
#if 0
TIFFWriteScanline (out, buffer, row, 0);
#endif
}
_TIFFfree (buffer);
return (1);
fail:
return (0);
}
int main (int argc, char *argv[])
{
FILE *spec;
int result = 0;
panda_init ();
if (argc != 2)
{
fprintf (stderr, "usage: %s spec\n", argv [0]);
result = 1;
goto fail;
}
spec = fopen (argv [2], "r");
if (! spec)
{
fprintf (stderr, "can't open spec file '%s'\n", argv [2]);
result = 3;
goto fail;
}
yyparse ();
fail:
close_tiff_input_file ();
close_pdf_output_file ();
return (result);
}

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t2p.h Normal file
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boolean open_tiff_input_file (char *name);
boolean close_tiff_input_file (void);
boolean open_pdf_output_file (char *name);
boolean close_pdf_output_file (void);
boolean process_page (int image); /* range 1 .. n */

238
tumble.c Normal file
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/*
* tiffg4: reencode a bilevel TIFF file as a single-strip TIFF Class F Group 4
* Main program
* $Id: tumble.c,v 1.1 2001/12/29 09:44:24 eric Exp $
* Copyright 2001 Eric Smith <eric@brouhaha.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. Note that permission is
* not granted to redistribute this program under the terms of any
* other version of the General Public License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
*/
#include <stdio.h>
#include <tiffio.h>
#include <panda/functions.h>
#include <panda/constants.h>
#include "type.h"
#include "bitblt.h"
#include "parser.tab.h"
#include "tiff2pdf.h"
TIFF *in;
panda_pdf *out;
boolean close_tiff_input_file (void)
{
if (in)
TIFFClose (in);
in = NULL;
return (1);
}
boolean open_tiff_input_file (char *name)
{
if (in)
close_tiff_input_file ();
in = TIFFOpen (name, "r");
if (! in)
{
fprintf (stderr, "can't open input file '%s'\n", name);
return (0);
}
return (1);
}
boolean close_pdf_output_file (void)
{
if (out)
panda_close (out);
out = NULL;
return (1);
}
boolean open_pdf_output_file (char *name)
{
if (out)
close_pdf_output_file ();
out = panda_open (name, "w");
if (! out)
{
return (0);
}
return (1);
}
boolean process_page (int image) /* range 1 .. n */
{
u32 image_length, image_width;
#ifdef CHECK_DEPTH
u32 image_depth;
#endif
u16 bits_per_sample;
u16 planar_config;
u16 resolution_unit;
float x_resolution, y_resolution;
char *buffer;
u32 row;
if (! TIFFSetDirectory (in, image - 1))
{
fprintf (stderr, "can't find page %d of input file\n", image);
goto fail;
}
if (1 != TIFFGetField (in, TIFFTAG_IMAGELENGTH, & image_length))
{
fprintf (stderr, "can't get image length\n");
goto fail;
}
if (1 != TIFFGetField (in, TIFFTAG_IMAGEWIDTH, & image_width))
{
fprintf (stderr, "can't get image width\n");
goto fail;
}
#ifdef CHECK_DEPTH
if (1 != TIFFGetField (in, TIFFTAG_IMAGEDEPTH, & image_depth))
{
fprintf (stderr, "can't get image depth\n");
goto fail;
}
#endif
if (1 != TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, & bits_per_sample))
{
fprintf (stderr, "can't get bits per sample\n");
goto fail;
}
if (1 != TIFFGetField (in, TIFFTAG_PLANARCONFIG, & planar_config))
planar_config = 1;
printf ("image length %u width %u, "
#ifdef CHECK_DEPTH
"depth %u, "
#endif
"planar config %u\n",
image_length, image_width,
#ifdef CHECK_DEPTH
image_depth,
#endif
planar_config);
if (1 != TIFFGetField (in, TIFFTAG_RESOLUTIONUNIT, & resolution_unit))
resolution_unit = 2;
if (1 != TIFFGetField (in, TIFFTAG_XRESOLUTION, & x_resolution))
x_resolution = 300;
if (1 != TIFFGetField (in, TIFFTAG_YRESOLUTION, & y_resolution))
y_resolution = 300;
printf ("resolution unit %u, x resolution %f, y resolution %f\n",
resolution_unit, x_resolution, y_resolution);
#ifdef CHECK_DEPTH
if (image_depth != 1)
{
fprintf (stderr, "image depth %u, must be 1\n", image_depth);
goto fail;
}
#endif
if (bits_per_sample != 1)
{
fprintf (stderr, "bits per sample %u, must be 1\n", bits_per_sample);
goto fail;
}
if (planar_config != 1)
{
fprintf (stderr, "planar config %u, must be 1\n", planar_config);
goto fail;
}
#if 0
TIFFSetField (out, TIFFTAG_IMAGELENGTH, image_length);
TIFFSetField (out, TIFFTAG_IMAGEWIDTH, image_width);
TIFFSetField (out, TIFFTAG_PLANARCONFIG, planar_config);
TIFFSetField (out, TIFFTAG_ROWSPERSTRIP, image_length);
TIFFSetField (out, TIFFTAG_RESOLUTIONUNIT, resolution_unit);
TIFFSetField (out, TIFFTAG_XRESOLUTION, x_resolution);
TIFFSetField (out, TIFFTAG_YRESOLUTION, y_resolution);
TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, bits_per_sample);
TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
#endif
buffer = _TIFFmalloc (TIFFScanlineSize (in));
if (! buffer)
{
fprintf (stderr, "failed to allocate buffer\n");
goto fail;
}
for (row = 0; row < image_length; row++)
{
TIFFReadScanline (in, buffer, row, 0);
#if 0
TIFFWriteScanline (out, buffer, row, 0);
#endif
}
_TIFFfree (buffer);
return (1);
fail:
return (0);
}
int main (int argc, char *argv[])
{
FILE *spec;
int result = 0;
panda_init ();
if (argc != 2)
{
fprintf (stderr, "usage: %s spec\n", argv [0]);
result = 1;
goto fail;
}
spec = fopen (argv [2], "r");
if (! spec)
{
fprintf (stderr, "can't open spec file '%s'\n", argv [2]);
result = 3;
goto fail;
}
yyparse ();
fail:
close_tiff_input_file ();
close_pdf_output_file ();
return (result);
}

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tumble.h Normal file
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boolean open_tiff_input_file (char *name);
boolean close_tiff_input_file (void);
boolean open_pdf_output_file (char *name);
boolean close_pdf_output_file (void);
boolean process_page (int image); /* range 1 .. n */

4
type.h Normal file
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typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef int boolean;