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create temporary TIFF file.

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This commit is contained in:
Eric Smith
2002-01-01 05:02:44 +00:00
parent c9d179a17e
commit c2df2f8946
2 changed files with 148 additions and 32 deletions
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90
t2p.c
View File

@@ -1,7 +1,7 @@
/*
* tiffg4: reencode a bilevel TIFF file as a single-strip TIFF Class F Group 4
* Main program
* $Id: t2p.c,v 1.8 2001/12/31 19:44:40 eric Exp $
* $Id: t2p.c,v 1.9 2001/12/31 21:02:44 eric Exp $
* Copyright 2001 Eric Smith <eric@brouhaha.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -22,6 +22,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <tiffio.h>
#include <panda/functions.h>
#include <panda/constants.h>
@@ -33,6 +35,13 @@
#include "tiff2pdf.h"
#define POINTS_PER_INCH 72
/* page size limited by Acrobat Reader to 45 inches on a side */
#define PAGE_MAX_INCHES 45
#define PAGE_MAX_POINTS (PAGE_MAX_INCHES * POINTS_PER_INCH)
typedef struct output_file_t
{
struct output_file_t *next;
@@ -166,10 +175,23 @@ boolean process_page (int image, /* range 1 .. n */
u16 planar_config;
u16 resolution_unit;
float x_resolution, y_resolution;
int width_points, height_points; /* really 1/72 inch units rather than
points */
char *buffer;
u32 row;
panda_page *page;
int tiff_temp_fd;
char tiff_temp_fn [] = "/var/tmp/tiff2pdf-XXXXXX\0";
TIFF *tiff_temp;
char pagesize [26]; /* Needs to hold two ints of four characters (0..3420),
two zeros, three spaces, two brackets, and a NULL.
Added an extra ten characters just in case. */
if (! TIFFSetDirectory (in, image - 1))
{
fprintf (stderr, "can't find page %d of input file\n", image);
@@ -243,21 +265,33 @@ boolean process_page (int image, /* range 1 .. n */
goto fail;
}
#if 0
TIFFSetField (out->pdf, TIFFTAG_IMAGELENGTH, image_length);
TIFFSetField (out->pdf, TIFFTAG_IMAGEWIDTH, image_width);
TIFFSetField (out->pdf, TIFFTAG_PLANARCONFIG, planar_config);
tiff_temp_fd = mkstemp (tiff_temp_fn);
if (tiff_temp_fd < 0)
{
fprintf (stderr, "can't create temporary TIFF file\n");
goto fail;
}
TIFFSetField (out->pdf, TIFFTAG_ROWSPERSTRIP, image_length);
tiff_temp = TIFFFdOpen (tiff_temp_fd, tiff_temp_fn, "w");
if (! out)
{
fprintf (stderr, "can't open temporary TIFF file '%s'\n", tiff_temp_fn);
goto fail;
}
TIFFSetField (out->pdf, TIFFTAG_RESOLUTIONUNIT, resolution_unit);
TIFFSetField (out->pdf, TIFFTAG_XRESOLUTION, x_resolution);
TIFFSetField (out->pdf, TIFFTAG_YRESOLUTION, y_resolution);
TIFFSetField (tiff_temp, TIFFTAG_IMAGELENGTH, image_length);
TIFFSetField (tiff_temp, TIFFTAG_IMAGEWIDTH, image_width);
TIFFSetField (tiff_temp, TIFFTAG_PLANARCONFIG, planar_config);
TIFFSetField (out->pdf, TIFFTAG_BITSPERSAMPLE, bits_per_sample);
TIFFSetField (out->pdf, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField (out->pdf, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
#endif
TIFFSetField (tiff_temp, TIFFTAG_ROWSPERSTRIP, image_length);
TIFFSetField (tiff_temp, TIFFTAG_RESOLUTIONUNIT, resolution_unit);
TIFFSetField (tiff_temp, TIFFTAG_XRESOLUTION, x_resolution);
TIFFSetField (tiff_temp, TIFFTAG_YRESOLUTION, y_resolution);
TIFFSetField (tiff_temp, TIFFTAG_BITSPERSAMPLE, bits_per_sample);
TIFFSetField (tiff_temp, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField (tiff_temp, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
buffer = _TIFFmalloc (TIFFScanlineSize (in));
if (! buffer)
@@ -269,12 +303,36 @@ boolean process_page (int image, /* range 1 .. n */
for (row = 0; row < image_length; row++)
{
TIFFReadScanline (in, buffer, row, 0);
#if 0
TIFFWriteScanline (out->pdf, buffer, row, 0);
#endif
TIFFWriteScanline (tiff_temp, buffer, row, 0);
}
_TIFFfree (buffer);
TIFFClose (tiff_temp);
height_points = (image_width / x_resolution) * POINTS_PER_INCH;
width_points = (image_length / y_resolution) * POINTS_PER_INCH;
if ((height_points > PAGE_MAX_POINTS) || (width_points > PAGE_MAX_POINTS))
{
fprintf (stdout, "image too large (max %d inches on a side\n", PAGE_MAX_INCHES);
goto fail;
}
printf ("height_points %d, width_points %d\n", height_points, width_points);
sprintf (pagesize, "[0 0 %d %d]", width_points, height_points);
page = panda_newpage (out->pdf, pagesize);
panda_imagebox (out->pdf,
page,
0, /* top */
0, /* left */
height_points, /* bottom */
width_points, /* right */
tiff_temp_fn,
panda_image_tiff);
unlink (tiff_temp_fn);
return (1);

90
tumble.c
View File

@@ -1,7 +1,7 @@
/*
* tiffg4: reencode a bilevel TIFF file as a single-strip TIFF Class F Group 4
* Main program
* $Id: tumble.c,v 1.8 2001/12/31 19:44:40 eric Exp $
* $Id: tumble.c,v 1.9 2001/12/31 21:02:44 eric Exp $
* Copyright 2001 Eric Smith <eric@brouhaha.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -22,6 +22,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <tiffio.h>
#include <panda/functions.h>
#include <panda/constants.h>
@@ -33,6 +35,13 @@
#include "tiff2pdf.h"
#define POINTS_PER_INCH 72
/* page size limited by Acrobat Reader to 45 inches on a side */
#define PAGE_MAX_INCHES 45
#define PAGE_MAX_POINTS (PAGE_MAX_INCHES * POINTS_PER_INCH)
typedef struct output_file_t
{
struct output_file_t *next;
@@ -166,10 +175,23 @@ boolean process_page (int image, /* range 1 .. n */
u16 planar_config;
u16 resolution_unit;
float x_resolution, y_resolution;
int width_points, height_points; /* really 1/72 inch units rather than
points */
char *buffer;
u32 row;
panda_page *page;
int tiff_temp_fd;
char tiff_temp_fn [] = "/var/tmp/tiff2pdf-XXXXXX\0";
TIFF *tiff_temp;
char pagesize [26]; /* Needs to hold two ints of four characters (0..3420),
two zeros, three spaces, two brackets, and a NULL.
Added an extra ten characters just in case. */
if (! TIFFSetDirectory (in, image - 1))
{
fprintf (stderr, "can't find page %d of input file\n", image);
@@ -243,21 +265,33 @@ boolean process_page (int image, /* range 1 .. n */
goto fail;
}
#if 0
TIFFSetField (out->pdf, TIFFTAG_IMAGELENGTH, image_length);
TIFFSetField (out->pdf, TIFFTAG_IMAGEWIDTH, image_width);
TIFFSetField (out->pdf, TIFFTAG_PLANARCONFIG, planar_config);
tiff_temp_fd = mkstemp (tiff_temp_fn);
if (tiff_temp_fd < 0)
{
fprintf (stderr, "can't create temporary TIFF file\n");
goto fail;
}
TIFFSetField (out->pdf, TIFFTAG_ROWSPERSTRIP, image_length);
tiff_temp = TIFFFdOpen (tiff_temp_fd, tiff_temp_fn, "w");
if (! out)
{
fprintf (stderr, "can't open temporary TIFF file '%s'\n", tiff_temp_fn);
goto fail;
}
TIFFSetField (out->pdf, TIFFTAG_RESOLUTIONUNIT, resolution_unit);
TIFFSetField (out->pdf, TIFFTAG_XRESOLUTION, x_resolution);
TIFFSetField (out->pdf, TIFFTAG_YRESOLUTION, y_resolution);
TIFFSetField (tiff_temp, TIFFTAG_IMAGELENGTH, image_length);
TIFFSetField (tiff_temp, TIFFTAG_IMAGEWIDTH, image_width);
TIFFSetField (tiff_temp, TIFFTAG_PLANARCONFIG, planar_config);
TIFFSetField (out->pdf, TIFFTAG_BITSPERSAMPLE, bits_per_sample);
TIFFSetField (out->pdf, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField (out->pdf, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
#endif
TIFFSetField (tiff_temp, TIFFTAG_ROWSPERSTRIP, image_length);
TIFFSetField (tiff_temp, TIFFTAG_RESOLUTIONUNIT, resolution_unit);
TIFFSetField (tiff_temp, TIFFTAG_XRESOLUTION, x_resolution);
TIFFSetField (tiff_temp, TIFFTAG_YRESOLUTION, y_resolution);
TIFFSetField (tiff_temp, TIFFTAG_BITSPERSAMPLE, bits_per_sample);
TIFFSetField (tiff_temp, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField (tiff_temp, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
buffer = _TIFFmalloc (TIFFScanlineSize (in));
if (! buffer)
@@ -269,12 +303,36 @@ boolean process_page (int image, /* range 1 .. n */
for (row = 0; row < image_length; row++)
{
TIFFReadScanline (in, buffer, row, 0);
#if 0
TIFFWriteScanline (out->pdf, buffer, row, 0);
#endif
TIFFWriteScanline (tiff_temp, buffer, row, 0);
}
_TIFFfree (buffer);
TIFFClose (tiff_temp);
height_points = (image_width / x_resolution) * POINTS_PER_INCH;
width_points = (image_length / y_resolution) * POINTS_PER_INCH;
if ((height_points > PAGE_MAX_POINTS) || (width_points > PAGE_MAX_POINTS))
{
fprintf (stdout, "image too large (max %d inches on a side\n", PAGE_MAX_INCHES);
goto fail;
}
printf ("height_points %d, width_points %d\n", height_points, width_points);
sprintf (pagesize, "[0 0 %d %d]", width_points, height_points);
page = panda_newpage (out->pdf, pagesize);
panda_imagebox (out->pdf,
page,
0, /* top */
0, /* left */
height_points, /* bottom */
width_points, /* right */
tiff_temp_fn,
panda_image_tiff);
unlink (tiff_temp_fn);
return (1);