SPAN_DECLARE(t4_rx_state_t *) t4_rx_init(t4_rx_state_t *s, const char *file, int supported_output_compressions)
{
bool alloced;
alloced = false;
if (s == NULL)
{
if ((s = (t4_rx_state_t *) span_alloc(sizeof(*s))) == NULL)
return NULL;
alloced = true;
}
#if defined(SPANDSP_SUPPORT_TIFF_FX)
TIFF_FX_init();
#endif
memset(s, 0, sizeof(*s));
span_log_init(&s->logging, SPAN_LOG_NONE, NULL);
span_log_set_protocol(&s->logging, "T.4");
span_log(&s->logging, SPAN_LOG_FLOW, "Start rx document\n");
s->supported_tiff_compressions = supported_output_compressions;
#if !defined(SPANDSP_SUPPORT_T88)
s->supported_tiff_compressions &= ~T4_COMPRESSION_T88;
#endif
#if !defined(SPANDSP_SUPPORT_T43)
s->supported_tiff_compressions &= ~T4_COMPRESSION_T43;
#endif
#if !defined(SPANDSP_SUPPORT_T45)
s->supported_tiff_compressions &= ~T4_COMPRESSION_T45;
#endif
/* Set some default values */
s->metadata.x_resolution = T4_X_RESOLUTION_R8;
s->metadata.y_resolution = T4_Y_RESOLUTION_FINE;
s->current_page = 0;
s->current_decoder = 0;
/* Default handler */
s->row_handler = tiff_row_write_handler;
s->row_handler_user_data = s;
if (file)
{
s->tiff.pages_in_file = 0;
if (open_tiff_output_file(s, file) < 0)
{
if (alloced)
span_free(s);
return NULL;
}
/* Save the file name for logging reports. */
s->tiff.file = strdup(file);
}
return s;
}
SPAN_DECLARE(t4_rx_state_t *) t4_rx_init(t4_rx_state_t *s, const char *file, int output_encoding)
{
int allocated;
allocated = FALSE;
if (s == NULL)
{
if ((s = (t4_rx_state_t *) malloc(sizeof(*s))) == NULL)
return NULL;
allocated = TRUE;
}
#if defined(SPANDSP_SUPPORT_TIFF_FX)
TIFF_FX_init();
#endif
memset(s, 0, sizeof(*s));
span_log_init(&s->logging, SPAN_LOG_NONE, NULL);
span_log_set_protocol(&s->logging, "T.4");
span_log(&s->logging, SPAN_LOG_FLOW, "Start rx document\n");
/* Only provide for one form of coding throughout the file, even though the
coding on the wire could change between pages. */
s->tiff.output_encoding = output_encoding;
/* Set some default values */
s->metadata.x_resolution = T4_X_RESOLUTION_R8;
s->metadata.y_resolution = T4_Y_RESOLUTION_FINE;
s->current_page = 0;
/* Default handler */
s->row_handler = tiff_row_write_handler;
s->row_handler_user_data = s;
if (file)
{
s->tiff.pages_in_file = 0;
if (open_tiff_output_file(s, file) < 0)
{
if (allocated)
free(s);
return NULL;
}
/* Save the file name for logging reports. */
s->tiff.file = strdup(file);
}
return s;
}
