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/*
* ps.h -- Include file for PostScript routines.
* Copyright (C) 1992 Timothy O. Theisen
*
* 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., 675 Mass Ave, Cambridge, MA 02139, 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
*/
#ifndef __GGV_PS_H__
#define __GGV_PS_H__
#include <stdio.h>
#include <gsio.h>
#include <gstypes.h>
G_BEGIN_DECLS
/* 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, ASCEND, DESCEND, SPECIAL };
#define PSLINELENGTH 257 /* 255 characters + 1 newline + 1 NULL */
struct document {
int epsf; /* Encapsulated PostScript flag. */
char *title; /* Title of document. */
char *date; /* Creation date. */
int pageorder; /* ASCEND, DESCEND, SPECIAL */
long beginheader, endheader; /* offsets into file */
unsigned int lenheader;
long beginpreview, endpreview;
unsigned int lenpreview;
long begindefaults, enddefaults;
unsigned int lendefaults;
long beginprolog, endprolog;
unsigned int lenprolog;
long beginsetup, endsetup;
unsigned int lensetup;
long begintrailer, endtrailer;
unsigned int lentrailer;
int boundingbox[4];
int default_page_boundingbox[4];
int orientation; /* GTK_GS_ORIENTATION_PORTRAIT, GTK_GS_ORIENTATION_LANDSCAPE */
int default_page_orientation; /* GTK_GS_ORIENTATION_PORTRAIT, GTK_GS_ORIENTATION_LANDSCAPE */
unsigned int numsizes;
GtkGSPaperSize *size;
GtkGSPaperSize *default_page_size;
unsigned int numpages;
struct page *pages;
};
struct page {
char *label;
int boundingbox[4];
GtkGSPaperSize *size;
int orientation; /* GTK_GS_ORIENTATION_PORTRAIT, GTK_GS_ORIENTATION_LANDSCAPE */
long begin, end; /* offsets into file */
unsigned int len;
};
/* scans a PostScript file and return a pointer to the document
structure. Returns NULL if file does not Conform to commenting
conventions . */
struct document *psscan(FILE * fileP, int respect_eof, const gchar * fname);
/* free data structure malloc'ed by psscan */
void psfree(struct document *);
/* Copy a portion of the PostScript file */
void pscopy(FILE * from, GtkGSDocSink * to, long begin, long end);
/* Copy a portion of the PostScript file upto a comment */
char *pscopyuntil(FILE * from, GtkGSDocSink * to, long begin, long end,
const char *comment);
/* Copy the headers, marked pages, and trailer to fp */
void pscopydoc(GtkGSDocSink * dest_file, char *src_filename,
struct document *d, int *pagelist);
G_END_DECLS
#endif /* __GGV_PS_H__ */
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