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/*
* ps.h -- Include file for PostScript routines.
* Copyright (C) 1992 Timothy O. Theisen
* Copyright (C) 2004 Jose E. Marchesi
*
* 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 3 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 GNU gv; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Tim Theisen Systems Programmer
* Internet: tim@cs.wisc.edu Department of Computer Sciences
* UUCP: uwvax!tim University of Wisconsin-Madison
* Phone: (608)262-0438 1210 West Dayton Street
* FAX: (608)262-9777 Madison, WI 53706
*/
/* Constants used to index into the bounding box array. */
#define LLX 0
#define LLY 1
#define URX 2
#define URY 3
/* Constants used to store keywords that are scanned. */
/* NONE is not a keyword, it tells when a field was not set */
/*
enum {ATEND = -1, NONE = 0, PORTRAIT, LANDSCAPE, ASCEND, DESCEND, SPECIAL};
*/
#define ATEND (-1)
#define NONE 0
#define PORTRAIT 1
#define LANDSCAPE 2
#define SEASCAPE 3
#define UPSIDEDOWN 4
#define ASCEND 5
#define DESCEND 6
#define SPECIAL 7
#define AUTOMATIC 8
#define PSLINELENGTH 257 /* 255 characters + 1 newline + 1 NULL */
typedef struct document {
#ifdef GV_CODE
int structured; /* toc will be useful */
int labels_useful; /* page labels are distinguishable, hence useful */
#endif
int epsf; /* Encapsulated PostScript flag. */
char *title; /* Title of document. */
char *date; /* Creation date. */
int pageorder; /* ASCEND, DESCEND, SPECIAL */
gv_off_t beginheader, endheader, beginpreview, endpreview, begindefaults, enddefaults,
beginprolog, endprolog, beginsetup, endsetup, begintrailer, endtrailer;
gv_off_t lenheader;
gv_off_t lenpreview;
gv_off_t lendefaults;
gv_off_t lenprolog;
gv_off_t lensetup;
gv_off_t lentrailer;
int boundingbox[4];
int default_page_boundingbox[4];
int orientation; /* PORTRAIT, LANDSCAPE */
int default_page_orientation; /* PORTRAIT, LANDSCAPE */
int nummedia;
struct documentmedia *media;
Media default_page_media;
int numpages;
struct page *pages;
} *Document;
struct page {
char *label;
int boundingbox[4];
struct documentmedia *media;
int orientation; /* PORTRAIT, LANDSCAPE */
gv_off_t begin, end; /* offsets into file */
gv_off_t len;
};
/* scans a PostScript file and return a pointer to the document
structure. Returns NULL if file does not Conform to commenting
conventions . */
#define SCANSTYLE_NORMAL 0
#define SCANSTYLE_IGNORE_EOF (1<<0)
#define SCANSTYLE_IGNORE_DSC (1<<1)
Document psscan (
FILE **,
char *,
char *,
char **,
char *,
char **,
char *,
int, /* scanstyle */
int /* gv_gs_scanDir */
);
void psfree (
struct document *
);
extern void pscopydoc (
FILE *,
char *,
Document,
char *
);
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