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/* $Header$
This is dvipdfm, a DVI to PDF translator.
Copyright (C) 1998, 1999 by Mark A. Wicks
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 02111-1307 USA
The author may be contacted via the e-mail address
mwicks@kettering.edu
*/
#include <stdio.h>
#include "system.h"
#include "config.h"
#include "mem.h"
#include "mfileio.h"
#include "pdfobj.h"
#include "psimage.h"
#include "epdf.h"
static char * distiller_template = NULL;
void set_distiller_template (char *s)
{
distiller_template = NEW (strlen(s)+1, char);
strcpy (distiller_template, s);
return;
}
#define need(n) { unsigned k=(n); \
if (size+k>max_size) { \
max_size += k+128; \
result=RENEW(result,max_size,char); \
}}
static char *last_dot (char *s)
{
char *end;
end = s+strlen(s);
while (--end > s) {
if (*end == '.')
return end;
}
return NULL;
}
#ifdef HAVE_SYSTEM /* No need to build a command line if we don't
have system() */
static char *build_command_line (char *psname, char *pdfname)
{
char *result = NULL, *current;
int size = 0, max_size = 0;
if (distiller_template) {
need(strlen(distiller_template)+1);
for (current =distiller_template; *current != 0; current ++) {
if (*current == '%') {
switch (*(++current)) {
case 'o': /* Output file name */
need(strlen(pdfname));
strcpy (result+size, pdfname);
size+=strlen(pdfname);
break;
case 'i': /* Input filename */
need(strlen(psname));
strcpy (result+size, psname);
size+=strlen(psname);
break;
case 'b':
{
char *last;
need(strlen(psname));
if ((last = last_dot (psname))) {
strncpy (result+size, psname, last-psname);
size += last-psname;
} else {
strcpy (result+size, psname);
size += strlen(psname);
}
}
case 0:
break;
case '%':
result[size++] = '%';
}
} else {
result[size++] = *current;
}
result[size] = 0;
}
} else {
fprintf (stderr, "\nConfig file contains no template to perform PS -> PDF conversion\n");
}
return result;
}
#endif
pdf_obj *ps_include (char *file_name,
struct xform_info *p,
char *res_name, double x_user, double y_user)
{
#ifdef HAVE_SYSTEM
pdf_obj *result = NULL;
char *tmp, *cmd;
FILE *pdf_file = NULL;
/* Get a full qualified tmp name */
tmp = tmpnam (NULL);
if ((cmd = build_command_line (file_name, tmp))) {
if (!system (cmd) && (pdf_file = MFOPEN (tmp, FOPEN_RBIN_MODE))) {
result = pdf_include_page (pdf_file, p, res_name);
} else {
fprintf (stderr, "\nConversion via ->%s<- failed\n", cmd);
}
if (pdf_file) {
MFCLOSE (pdf_file);
remove (tmp);
}
RELEASE (cmd);
}
return result;
#else
fprintf (stderr, "\n\nCannot include PS/EPS files unless you have and enable system() command.\n");
return NULL;
#endif
}
int check_for_ps (FILE *image_file)
{
rewind (image_file);
mfgets (work_buffer, WORK_BUFFER_SIZE, image_file);
if (!strncmp (work_buffer, "%!", 2))
return 1;
return 0;
}
void psimage_close(void)
{
if (distiller_template)
RELEASE (distiller_template);
}
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