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/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2015 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team.
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include "system.h"
#include "mem.h"
#include "error.h"
#include "mfileio.h"
#include "pdfparse.h"
#include "pdfobj.h"
#include "pdfcolor.h"
#include "pdfdraw.h"
#include "pdfximage.h"
#include "pdfdev.h"
#include "mpost.h"
#include "specials.h"
#include "spc_util.h"
#include "spc_misc.h"
static int
spc_handler_postscriptbox (struct spc_env *spe, struct spc_arg *ap)
{
int form_id, len;
transform_info ti;
load_options options = {1, 0, NULL};
char filename[256], *fullname;
char buf[512];
FILE *fp;
ASSERT(spe && ap);
if (ap->curptr >= ap->endptr) {
spc_warn(spe, "No width/height/filename given for postscriptbox special.");
return -1;
}
/* input is not NULL terminated */
len = (int) (ap->endptr - ap->curptr);
len = MIN(511, len);
memcpy(buf, ap->curptr, len);
buf[len] = '\0';
transform_info_clear(&ti);
spc_warn(spe, buf);
if (sscanf(buf, "{%lfpt}{%lfpt}{%255[^}]}",
&ti.width, &ti.height, filename) != 3) {
spc_warn(spe, "Syntax error in postscriptbox special?");
return -1;
}
ap->curptr = ap->endptr;
ti.width *= 72.0 / 72.27;
ti.height *= 72.0 / 72.27;
fullname = kpse_find_pict(filename);
if (!fullname) {
spc_warn(spe, "Image file \"%s\" not found.", filename);
return -1;
}
fp = MFOPEN(fullname, FOPEN_R_MODE);
if (!fp) {
spc_warn(spe, "Could not open image file: %s", fullname);
RELEASE(fullname);
return -1;
}
RELEASE(fullname);
ti.flags |= (INFO_HAS_WIDTH|INFO_HAS_HEIGHT);
for (;;) {
const char *p = mfgets(buf, 512, fp);
if (!p)
break;
if (mps_scan_bbox(&p, p + strlen(p), &ti.bbox) >= 0) {
ti.flags |= INFO_HAS_USER_BBOX;
break;
}
}
MFCLOSE(fp);
form_id = pdf_ximage_findresource(filename, options);
if (form_id < 0) {
spc_warn(spe, "Failed to load image file: %s", filename);
return -1;
}
pdf_dev_put_image(form_id, &ti, spe->x_user, spe->y_user);
return 0;
}
static int
spc_handler_null (struct spc_env *spe, struct spc_arg *args)
{
args->curptr = args->endptr;
return 0;
}
static struct spc_handler misc_handlers[] = {
{"postscriptbox", spc_handler_postscriptbox},
{"landscape", spc_handler_null}, /* handled at bop */
{"papersize", spc_handler_null}, /* handled at bop */
{"src:", spc_handler_null}, /* simply ignore */
{"pos:", spc_handler_null}, /* simply ignore */
{"om:", spc_handler_null} /* simply ignore */
};
int
spc_misc_check_special (const char *buffer, int size)
{
const char *p, *endptr;
int i;
p = buffer;
endptr = p + size;
skip_white(&p, endptr);
size = (int) (endptr - p);
for (i = 0;
i < sizeof(misc_handlers)/sizeof(struct spc_handler); i++) {
if (size >= strlen(misc_handlers[i].key) &&
!strncmp(p, misc_handlers[i].key,
strlen(misc_handlers[i].key))) {
return 1;
}
}
return 0;
}
int
spc_misc_setup_handler (struct spc_handler *handle,
struct spc_env *spe, struct spc_arg *args)
{
const char *key;
int i, keylen;
ASSERT(handle && spe && args);
skip_white(&args->curptr, args->endptr);
key = args->curptr;
while (args->curptr < args->endptr &&
isalpha((unsigned char)args->curptr[0])) {
args->curptr++;
}
if (args->curptr < args->endptr &&
args->curptr[0] == ':') {
args->curptr++;
}
keylen = (int) (args->curptr - key);
if (keylen < 1) {
return -1;
}
for (i = 0;
i < sizeof(misc_handlers)/sizeof(struct spc_handler); i++) {
if (keylen == strlen(misc_handlers[i].key) &&
!strncmp(key, misc_handlers[i].key, keylen)) {
skip_white(&args->curptr, args->endptr);
args->command = misc_handlers[i].key;
handle->key = "???:";
handle->exec = misc_handlers[i].exec;
return 0;
}
}
return -1;
}
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