* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
- * $Id: t4.c,v 1.121 2009/02/03 16:28:40 steveu Exp $
+ * $Id: t4.c,v 1.123 2009/02/05 12:21:36 steveu Exp $
*/
/*
#include "faxfont.h"
+static int encode_row(t4_state_t *s);
+
#if defined(T4_STATE_DEBUGGING)
static void STATE_TRACE(const char *format, ...)
{
uint16_t resunit;
float x_resolution;
float y_resolution;
+ t4_tiff_state_t *t;
+ t = &s->tiff;
/* Prepare the directory entry fully before writing the image, or libtiff complains */
- TIFFSetField(s->tiff_file, TIFFTAG_COMPRESSION, s->output_compression);
- if (s->output_compression == COMPRESSION_CCITT_T4)
+ TIFFSetField(t->tiff_file, TIFFTAG_COMPRESSION, t->output_compression);
+ if (t->output_compression == COMPRESSION_CCITT_T4)
{
- TIFFSetField(s->tiff_file, TIFFTAG_T4OPTIONS, s->output_t4_options);
- TIFFSetField(s->tiff_file, TIFFTAG_FAXMODE, FAXMODE_CLASSF);
+ TIFFSetField(t->tiff_file, TIFFTAG_T4OPTIONS, t->output_t4_options);
+ TIFFSetField(t->tiff_file, TIFFTAG_FAXMODE, FAXMODE_CLASSF);
}
- TIFFSetField(s->tiff_file, TIFFTAG_IMAGEWIDTH, s->image_width);
- TIFFSetField(s->tiff_file, TIFFTAG_BITSPERSAMPLE, 1);
- TIFFSetField(s->tiff_file, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
- TIFFSetField(s->tiff_file, TIFFTAG_SAMPLESPERPIXEL, 1);
- if (s->output_compression == COMPRESSION_CCITT_T4
+ TIFFSetField(t->tiff_file, TIFFTAG_IMAGEWIDTH, s->image_width);
+ TIFFSetField(t->tiff_file, TIFFTAG_BITSPERSAMPLE, 1);
+ TIFFSetField(t->tiff_file, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
+ TIFFSetField(t->tiff_file, TIFFTAG_SAMPLESPERPIXEL, 1);
+ if (t->output_compression == COMPRESSION_CCITT_T4
||
- s->output_compression == COMPRESSION_CCITT_T6)
+ t->output_compression == COMPRESSION_CCITT_T6)
{
- TIFFSetField(s->tiff_file, TIFFTAG_ROWSPERSTRIP, -1L);
+ TIFFSetField(t->tiff_file, TIFFTAG_ROWSPERSTRIP, -1L);
}
else
{
- TIFFSetField(s->tiff_file,
+ TIFFSetField(t->tiff_file,
TIFFTAG_ROWSPERSTRIP,
- TIFFDefaultStripSize(s->tiff_file, 0));
+ TIFFDefaultStripSize(t->tiff_file, 0));
}
- TIFFSetField(s->tiff_file, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- TIFFSetField(s->tiff_file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
- TIFFSetField(s->tiff_file, TIFFTAG_FILLORDER, FILLORDER_LSB2MSB);
+ TIFFSetField(t->tiff_file, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
+ TIFFSetField(t->tiff_file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
+ TIFFSetField(t->tiff_file, TIFFTAG_FILLORDER, FILLORDER_LSB2MSB);
x_resolution = s->x_resolution/100.0f;
y_resolution = s->y_resolution/100.0f;
/* Metric seems the sane thing to use in the 21st century, but a lot of lousy software
gets FAX resolutions wrong, and more get it wrong using metric than using inches. */
#if 0
- TIFFSetField(s->tiff_file, TIFFTAG_XRESOLUTION, x_resolution);
- TIFFSetField(s->tiff_file, TIFFTAG_YRESOLUTION, y_resolution);
+ TIFFSetField(t->tiff_file, TIFFTAG_XRESOLUTION, x_resolution);
+ TIFFSetField(t->tiff_file, TIFFTAG_YRESOLUTION, y_resolution);
resunit = RESUNIT_CENTIMETER;
- TIFFSetField(s->tiff_file, TIFFTAG_RESOLUTIONUNIT, resunit);
+ TIFFSetField(t->tiff_file, TIFFTAG_RESOLUTIONUNIT, resunit);
#else
- TIFFSetField(s->tiff_file, TIFFTAG_XRESOLUTION, floorf(x_resolution*CM_PER_INCH + 0.5f));
- TIFFSetField(s->tiff_file, TIFFTAG_YRESOLUTION, floorf(y_resolution*CM_PER_INCH + 0.5f));
+ TIFFSetField(t->tiff_file, TIFFTAG_XRESOLUTION, floorf(x_resolution*CM_PER_INCH + 0.5f));
+ TIFFSetField(t->tiff_file, TIFFTAG_YRESOLUTION, floorf(y_resolution*CM_PER_INCH + 0.5f));
resunit = RESUNIT_INCH;
- TIFFSetField(s->tiff_file, TIFFTAG_RESOLUTIONUNIT, resunit);
+ TIFFSetField(t->tiff_file, TIFFTAG_RESOLUTIONUNIT, resunit);
#endif
/* TODO: add the version of spandsp */
- TIFFSetField(s->tiff_file, TIFFTAG_SOFTWARE, "spandsp");
+ TIFFSetField(t->tiff_file, TIFFTAG_SOFTWARE, "spandsp");
if (gethostname(buf, sizeof(buf)) == 0)
- TIFFSetField(s->tiff_file, TIFFTAG_HOSTCOMPUTER, buf);
+ TIFFSetField(t->tiff_file, TIFFTAG_HOSTCOMPUTER, buf);
#if defined(TIFFTAG_FAXDCS)
- if (s->dcs)
- TIFFSetField(s->tiff_file, TIFFTAG_FAXDCS, s->dcs);
+ if (t->dcs)
+ TIFFSetField(t->tiff_file, TIFFTAG_FAXDCS, t->dcs);
#endif
- if (s->sub_address)
- TIFFSetField(s->tiff_file, TIFFTAG_FAXSUBADDRESS, s->sub_address);
- if (s->far_ident)
- TIFFSetField(s->tiff_file, TIFFTAG_IMAGEDESCRIPTION, s->far_ident);
- if (s->vendor)
- TIFFSetField(s->tiff_file, TIFFTAG_MAKE, s->vendor);
- if (s->model)
- TIFFSetField(s->tiff_file, TIFFTAG_MODEL, s->model);
+ if (t->sub_address)
+ TIFFSetField(t->tiff_file, TIFFTAG_FAXSUBADDRESS, t->sub_address);
+ if (t->far_ident)
+ TIFFSetField(t->tiff_file, TIFFTAG_IMAGEDESCRIPTION, t->far_ident);
+ if (t->vendor)
+ TIFFSetField(t->tiff_file, TIFFTAG_MAKE, t->vendor);
+ if (t->model)
+ TIFFSetField(t->tiff_file, TIFFTAG_MODEL, t->model);
time(&now);
tm = localtime(&now);
tm->tm_hour,
tm->tm_min,
tm->tm_sec);
- TIFFSetField(s->tiff_file, TIFFTAG_DATETIME, buf);
- TIFFSetField(s->tiff_file, TIFFTAG_FAXRECVTIME, now - s->page_start_time);
+ TIFFSetField(t->tiff_file, TIFFTAG_DATETIME, buf);
+ TIFFSetField(t->tiff_file, TIFFTAG_FAXRECVTIME, now - s->page_start_time);
- TIFFSetField(s->tiff_file, TIFFTAG_IMAGELENGTH, s->image_length);
+ TIFFSetField(t->tiff_file, TIFFTAG_IMAGELENGTH, s->image_length);
/* Set the total pages to 1. For any one page document we will get this
right. For multi-page documents we will need to come back and fill in
the right answer when we know it. */
- TIFFSetField(s->tiff_file, TIFFTAG_PAGENUMBER, s->pages_transferred++, 1);
+ TIFFSetField(t->tiff_file, TIFFTAG_PAGENUMBER, s->pages_transferred++, 1);
s->pages_in_file = s->pages_transferred;
- if (s->output_compression == COMPRESSION_CCITT_T4)
+ if (t->output_compression == COMPRESSION_CCITT_T4)
{
if (s->bad_rows)
{
- TIFFSetField(s->tiff_file, TIFFTAG_BADFAXLINES, s->bad_rows);
- TIFFSetField(s->tiff_file, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_REGENERATED);
- TIFFSetField(s->tiff_file, TIFFTAG_CONSECUTIVEBADFAXLINES, s->longest_bad_row_run);
+ TIFFSetField(t->tiff_file, TIFFTAG_BADFAXLINES, s->bad_rows);
+ TIFFSetField(t->tiff_file, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_REGENERATED);
+ TIFFSetField(t->tiff_file, TIFFTAG_CONSECUTIVEBADFAXLINES, s->longest_bad_row_run);
}
else
{
- TIFFSetField(s->tiff_file, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_CLEAN);
+ TIFFSetField(t->tiff_file, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_CLEAN);
}
}
- TIFFSetField(s->tiff_file, TIFFTAG_IMAGEWIDTH, s->image_width);
+ TIFFSetField(t->tiff_file, TIFFTAG_IMAGEWIDTH, s->image_width);
return 0;
}
/*- End of function --------------------------------------------------------*/
-static void update_row_bit_info(t4_state_t *s)
-{
- if (s->row_bits > s->max_row_bits)
- s->max_row_bits = s->row_bits;
- if (s->row_bits < s->min_row_bits)
- s->min_row_bits = s->row_bits;
- s->row_bits = 0;
-}
-/*- End of function --------------------------------------------------------*/
-
static int test_resolution(int res_unit, float actual, float expected)
{
if (res_unit == RESUNIT_INCH)
float x_resolution;
float y_resolution;
int i;
+ t4_tiff_state_t *t;
+ t = &s->tiff;
parm = 0;
- TIFFGetField(s->tiff_file, TIFFTAG_BITSPERSAMPLE, &parm);
+ TIFFGetField(t->tiff_file, TIFFTAG_BITSPERSAMPLE, &parm);
if (parm != 1)
return -1;
parm = 0;
- TIFFGetField(s->tiff_file, TIFFTAG_IMAGEWIDTH, &parm);
+ TIFFGetField(t->tiff_file, TIFFTAG_IMAGEWIDTH, &parm);
s->image_width = parm;
s->bytes_per_row = (s->image_width + 7)/8;
parm = 0;
- TIFFGetField(s->tiff_file, TIFFTAG_IMAGELENGTH, &parm);
+ TIFFGetField(t->tiff_file, TIFFTAG_IMAGELENGTH, &parm);
s->image_length = parm;
x_resolution = 0.0f;
- TIFFGetField(s->tiff_file, TIFFTAG_XRESOLUTION, &x_resolution);
+ TIFFGetField(t->tiff_file, TIFFTAG_XRESOLUTION, &x_resolution);
y_resolution = 0.0f;
- TIFFGetField(s->tiff_file, TIFFTAG_YRESOLUTION, &y_resolution);
+ TIFFGetField(t->tiff_file, TIFFTAG_YRESOLUTION, &y_resolution);
res_unit = RESUNIT_INCH;
- TIFFGetField(s->tiff_file, TIFFTAG_RESOLUTIONUNIT, &res_unit);
+ TIFFGetField(t->tiff_file, TIFFTAG_RESOLUTIONUNIT, &res_unit);
/* Allow a little range for the X resolution in centimeters. The spec doesn't pin down the
precise value. The other value should be exact. */
static int open_tiff_input_file(t4_state_t *s, const char *file)
{
- if ((s->tiff_file = TIFFOpen(file, "r")) == NULL)
+ if ((s->tiff.tiff_file = TIFFOpen(file, "r")) == NULL)
return -1;
return 0;
}
/*- End of function --------------------------------------------------------*/
+static int read_tiff_image(t4_state_t *s)
+{
+ int row;
+ int image_length;
+
+ image_length = 0;
+ TIFFGetField(s->tiff.tiff_file, TIFFTAG_IMAGELENGTH, &image_length);
+ for (row = 0; row < image_length; row++)
+ {
+ if (TIFFReadScanline(s->tiff.tiff_file, s->row_buf, row, 0) <= 0)
+ {
+ span_log(&s->logging, SPAN_LOG_WARNING, "%s: Read error at row %d.\n", s->file, row);
+ break;
+ }
+ if (encode_row(s))
+ return -1;
+ }
+ return image_length;
+}
+/*- End of function --------------------------------------------------------*/
+
static int close_tiff_input_file(t4_state_t *s)
{
- TIFFClose(s->tiff_file);
- s->tiff_file = NULL;
+ TIFFClose(s->tiff.tiff_file);
+ s->tiff.tiff_file = NULL;
if (s->file)
free((char *) s->file);
s->file = NULL;
static int open_tiff_output_file(t4_state_t *s, const char *file)
{
- if ((s->tiff_file = TIFFOpen(file, "w")) == NULL)
+ if ((s->tiff.tiff_file = TIFFOpen(file, "w")) == NULL)
return -1;
return 0;
}
/*- End of function --------------------------------------------------------*/
+static void write_tiff_image(t4_state_t *s)
+{
+ /* Set up the TIFF directory info... */
+ set_tiff_directory_info(s);
+ /* ..and then write the image... */
+ if (TIFFWriteEncodedStrip(s->tiff.tiff_file, 0, s->image_buffer, s->image_length*s->bytes_per_row) < 0)
+ span_log(&s->logging, SPAN_LOG_WARNING, "%s: Error writing TIFF strip.\n", s->file);
+ /* ...then the directory entry, and libtiff is happy. */
+ TIFFWriteDirectory(s->tiff.tiff_file);
+}
+/*- End of function --------------------------------------------------------*/
+
static int close_tiff_output_file(t4_state_t *s)
{
int i;
+ t4_tiff_state_t *t;
+ t = &s->tiff;
/* Perform any operations needed to tidy up a written TIFF file before
closure. */
if (s->pages_transferred > 1)
need to set the correct total page count associated with each page. */
for (i = 0; i < s->pages_transferred; i++)
{
- TIFFSetDirectory(s->tiff_file, (tdir_t) i);
- TIFFSetField(s->tiff_file, TIFFTAG_PAGENUMBER, i, s->pages_transferred);
- TIFFWriteDirectory(s->tiff_file);
+ TIFFSetDirectory(t->tiff_file, (tdir_t) i);
+ TIFFSetField(t->tiff_file, TIFFTAG_PAGENUMBER, i, s->pages_transferred);
+ TIFFWriteDirectory(t->tiff_file);
}
}
- TIFFClose(s->tiff_file);
- s->tiff_file = NULL;
+ TIFFClose(t->tiff_file);
+ t->tiff_file = NULL;
if (s->file)
{
/* Try not to leave a file behind, if we didn't receive any pages to
}
/*- End of function --------------------------------------------------------*/
+static void update_row_bit_info(t4_state_t *s)
+{
+ if (s->row_bits > s->max_row_bits)
+ s->max_row_bits = s->row_bits;
+ if (s->row_bits < s->min_row_bits)
+ s->min_row_bits = s->row_bits;
+ s->row_bits = 0;
+}
+/*- End of function --------------------------------------------------------*/
+
#if defined(__i386__) || defined(__x86_64__) || defined(__ppc__) || defined(__powerpc__)
static __inline__ int run_length(unsigned int bits)
{
}
else
{
- /* Set up the TIFF directory info... */
- set_tiff_directory_info(s);
- /* ..and then write the image... */
- if (TIFFWriteEncodedStrip(s->tiff_file, 0, s->image_buffer, s->image_length*s->bytes_per_row) < 0)
- span_log(&s->logging, SPAN_LOG_WARNING, "%s: Error writing TIFF strip.\n", s->file);
- /* ...then the directory entry, and libtiff is happy. */
- TIFFWriteDirectory(s->tiff_file);
+ write_tiff_image(s);
}
s->rx_bits = 0;
s->rx_skip_bits = 0;
static __inline__ void drop_rx_bits(t4_state_t *s, int bits)
{
/* Only remove one bit right now. The rest need to be removed step by step,
- checking for a misaligned EOL along the way. */
+ checking for a misaligned EOL along the way. This is time consuming, but
+ if we don't do it a single bit error can severely damage an image. */
s->row_bits += bits;
s->rx_skip_bits += (bits - 1);
s->rx_bits--;
SPAN_DECLARE(t4_state_t *) t4_rx_init(t4_state_t *s, const char *file, int output_encoding)
{
+ if (s == NULL)
+ {
+ if ((s = (t4_state_t *) malloc(sizeof(*s))) == NULL)
+ return NULL;
+ }
memset(s, 0, sizeof(*s));
span_log_init(&s->logging, SPAN_LOG_NONE, NULL);
span_log_set_protocol(&s->logging, "T.4");
switch (output_encoding)
{
case T4_COMPRESSION_ITU_T4_1D:
- s->output_compression = COMPRESSION_CCITT_T4;
- s->output_t4_options = GROUP3OPT_FILLBITS;
+ s->tiff.output_compression = COMPRESSION_CCITT_T4;
+ s->tiff.output_t4_options = GROUP3OPT_FILLBITS;
break;
case T4_COMPRESSION_ITU_T4_2D:
- s->output_compression = COMPRESSION_CCITT_T4;
- s->output_t4_options = GROUP3OPT_FILLBITS | GROUP3OPT_2DENCODING;
+ s->tiff.output_compression = COMPRESSION_CCITT_T4;
+ s->tiff.output_t4_options = GROUP3OPT_FILLBITS | GROUP3OPT_2DENCODING;
break;
case T4_COMPRESSION_ITU_T6:
- s->output_compression = COMPRESSION_CCITT_T6;
- s->output_t4_options = 0;
+ s->tiff.output_compression = COMPRESSION_CCITT_T6;
+ s->tiff.output_t4_options = 0;
break;
}
uint32_t *bufptr;
span_log(&s->logging, SPAN_LOG_FLOW, "Start rx page - compression %d\n", s->line_encoding);
- if (s->tiff_file == NULL)
+ if (s->tiff.tiff_file == NULL)
return -1;
/* Calculate the scanline/tile width. */
}
/*- End of function --------------------------------------------------------*/
-SPAN_DECLARE(int) t4_rx_delete(t4_state_t *s)
+SPAN_DECLARE(int) t4_rx_end(t4_state_t *s)
{
- if (t4_rx_end(s))
+ if (!s->rx)
return -1;
+ if (s->tiff.tiff_file)
+ close_tiff_output_file(s);
free_buffers(s);
- free(s);
return 0;
}
/*- End of function --------------------------------------------------------*/
-SPAN_DECLARE(int) t4_rx_end(t4_state_t *s)
+SPAN_DECLARE(int) t4_rx_free(t4_state_t *s)
{
- if (!s->rx)
+ if (t4_rx_end(s))
return -1;
- if (s->tiff_file)
- close_tiff_output_file(s);
- free_buffers(s);
+ free(s);
return 0;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(void) t4_rx_set_dcs(t4_state_t *s, const char *dcs)
{
- s->dcs = (dcs && dcs[0]) ? dcs : NULL;
+ s->tiff.dcs = (dcs && dcs[0]) ? dcs : NULL;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(void) t4_rx_set_sub_address(t4_state_t *s, const char *sub_address)
{
- s->sub_address = (sub_address && sub_address[0]) ? sub_address : NULL;
+ s->tiff.sub_address = (sub_address && sub_address[0]) ? sub_address : NULL;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(void) t4_rx_set_far_ident(t4_state_t *s, const char *ident)
{
- s->far_ident = (ident && ident[0]) ? ident : NULL;
+ s->tiff.far_ident = (ident && ident[0]) ? ident : NULL;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(void) t4_rx_set_vendor(t4_state_t *s, const char *vendor)
{
- s->vendor = vendor;
+ s->tiff.vendor = vendor;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(void) t4_rx_set_model(t4_state_t *s, const char *model)
{
- s->model = model;
+ s->tiff.model = model;
}
/*- End of function --------------------------------------------------------*/
{
int run_space;
+ if (s == NULL)
+ {
+ if ((s = (t4_state_t *) malloc(sizeof(*s))) == NULL)
+ return NULL;
+ }
memset(s, 0, sizeof(*s));
span_log_init(&s->logging, SPAN_LOG_NONE, NULL);
span_log_set_protocol(&s->logging, "T.4");
tm.tm_hour,
tm.tm_min,
s->header_info,
- s->local_ident,
+ s->tiff.local_ident,
s->pages_transferred + 1);
}
/*- End of function --------------------------------------------------------*/
int repeats;
int pattern;
int row_bufptr;
- int parm;
int run_space;
int len;
+ int this_image_width;
char *t;
char header[132 + 1];
uint8_t *bufptr8;
span_log(&s->logging, SPAN_LOG_FLOW, "Start tx page %d\n", s->pages_transferred);
if (s->pages_transferred > s->stop_page)
return -1;
- if (s->tiff_file == NULL)
- return -1;
- if (!TIFFSetDirectory(s->tiff_file, (tdir_t) s->pages_transferred))
+ if (s->tiff.tiff_file == NULL)
return -1;
+ this_image_width = 0;
+ if (s->row_read_handler == NULL)
+ {
+ if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->pages_transferred))
+ return -1;
+ TIFFGetField(s->tiff.tiff_file, TIFFTAG_IMAGEWIDTH, &this_image_width);
+ }
s->image_size = 0;
s->tx_bitstream = 0;
s->tx_bits = 0;
s->row_is_2d = (s->line_encoding == T4_COMPRESSION_ITU_T6);
s->rows_to_next_1d_row = s->max_rows_to_next_1d_row - 1;
- /* Allow for pages being of different width */
- parm = 0;
- TIFFGetField(s->tiff_file, TIFFTAG_IMAGEWIDTH, &parm);
- run_space = (parm + 4)*sizeof(uint32_t);
- if (parm != s->image_width)
+ /* Allow for pages being of different width. */
+ run_space = (this_image_width + 4)*sizeof(uint32_t);
+ if (this_image_width != s->image_width)
{
- s->image_width = parm;
+ s->image_width = this_image_width;
s->bytes_per_row = (s->image_width + 7)/8;
if ((bufptr = (uint32_t *) realloc(s->cur_runs, run_space)) == NULL)
}
else
{
- s->image_length = 0;
- TIFFGetField(s->tiff_file, TIFFTAG_IMAGELENGTH, &s->image_length);
- for (row = 0; row < s->image_length; row++)
- {
- if (TIFFReadScanline(s->tiff_file, s->row_buf, row, 0) <= 0)
- {
- span_log(&s->logging, SPAN_LOG_WARNING, "%s: Read error at row %d.\n", s->file, row);
- break;
- }
- if (encode_row(s))
- return -1;
- }
+ if ((s->image_length = read_tiff_image(s)) < 0)
+ return -1;
}
if (s->line_encoding == T4_COMPRESSION_ITU_T6)
{
span_log(&s->logging, SPAN_LOG_FLOW, "Checking for the existance of page %d\n", s->pages_transferred + 1);
if (s->pages_transferred >= s->stop_page)
return -1;
- if (s->tiff_file == NULL)
+ if (s->tiff.tiff_file == NULL)
return -1;
if (s->pages_in_file >= 0)
{
}
else
{
- if (!TIFFSetDirectory(s->tiff_file, (tdir_t) s->pages_transferred + 1))
- return -1;
+ if (s->row_read_handler == NULL)
+ {
+ if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->pages_transferred + 1))
+ return -1;
+ }
}
return 0;
}
}
/*- End of function --------------------------------------------------------*/
-SPAN_DECLARE(int) t4_tx_delete(t4_state_t *s)
+SPAN_DECLARE(int) t4_tx_end(t4_state_t *s)
{
- if (t4_tx_end(s))
+ if (s->rx)
return -1;
+ if (s->tiff.tiff_file)
+ close_tiff_input_file(s);
free_buffers(s);
- free(s);
return 0;
}
/*- End of function --------------------------------------------------------*/
-SPAN_DECLARE(int) t4_tx_end(t4_state_t *s)
+SPAN_DECLARE(int) t4_tx_free(t4_state_t *s)
{
- if (s->rx)
+ if (t4_tx_end(s))
return -1;
- if (s->tiff_file)
- close_tiff_input_file(s);
- free_buffers(s);
+ free(s);
return 0;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(void) t4_tx_set_local_ident(t4_state_t *s, const char *ident)
{
- s->local_ident = (ident && ident[0]) ? ident : NULL;
+ s->tiff.local_ident = (ident && ident[0]) ? ident : NULL;
}
/*- End of function --------------------------------------------------------*/
trusted? Some files say 0. Actually searching for the last page is
more reliable. */
max = 0;
- while (TIFFSetDirectory(s->tiff_file, (tdir_t) max))
- max++;
+ if (s->row_write_handler == NULL)
+ {
+ while (TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) max))
+ max++;
+ /* Back to the previous page */
+ if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->pages_transferred))
+ return -1;
+ }
s->pages_in_file = max;
- /* Back to the previous page */
- if (!TIFFSetDirectory(s->tiff_file, (tdir_t) s->pages_transferred))
- return -1;
return max;
}
/*- End of function --------------------------------------------------------*/