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1 /*
2 * GhostviewP.h -- Private header file for Ghostview widget.
3 * Copyright (C) 1992 Timothy O. Theisen
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 *
19 * Author: Tim Theisen Systems Programmer
20 * Internet: tim@cs.wisc.edu Department of Computer Sciences
21 * UUCP: uwvax!tim University of Wisconsin-Madison
22 * Phone: (608)262-0438 1210 West Dayton Street
23 * FAX: (608)262-9777 Madison, WI 53706
24 */
25
26 #ifndef _GhostviewP_h
27 #define _GhostviewP_h
28
29 #include "Ghostview.h"
30 #include <X11/Xmu/Atoms.h>
31 #include <X11/Xmu/CharSet.h>
32 #include <stdio.h>
33
34 typedef struct {
35 AtomPtr ghostview;
36 AtomPtr next;
37 AtomPtr page;
38 AtomPtr done;
39 } GhostviewClassPart;
40
41 typedef struct _GhostviewClassRec {
42 CoreClassPart core_class;
43 GhostviewClassPart ghostview_class;
44 } GhostviewClassRec;
45
46 extern GhostviewClassRec ghostviewClassRec;
47
48 /* structure to describe section of file to send to ghostscript */
49 struct record_list {
50 FILE *fp;
51 long begin;
52 unsigned int len;
53 Boolean seek_needed;
54 Boolean close;
55 struct record_list *next;
56 };
57
58 typedef struct {
59 /* resources */
60 Cursor cursor;
61 Cursor busy_cursor;
62 XtCallbackList callback;
63 XtCallbackList message_callback;
64 XtCallbackList output_callback;
65 String interpreter;
66 Boolean quiet;
67 Boolean use_bpixmap;
68 String preload;
69 String filename;
70 XtPageOrientation orientation;
71 float xdpi;
72 float ydpi;
73 int llx;
74 int lly;
75 int urx;
76 int ury;
77 int left_margin;
78 int bottom_margin;
79 int right_margin;
80 int top_margin;
81 /* private state */
82 GC gc; /* GC used to clear window */
83 Window mwin; /* destination of ghostsript messages */
84 Boolean disable_start; /* whether to fork ghostscript */
85 int interpreter_pid;/* pid of ghostscript, -1 if none */
86 struct record_list *ps_input; /* pointer it gs input queue */
87 char *input_buffer; /* pointer to input buffer */
88 unsigned int bytes_left; /* bytes left in section */
89 #ifndef VMS
90 char *input_buffer_ptr; /* pointer into input buffer */
91 unsigned int buffer_bytes_left; /* bytes left in buffer */
92 #endif
93 int interpreter_input; /* fd gs stdin, -1 if None */
94 int interpreter_output; /* fd gs stdout, -1 if None */
95 #ifndef VMS
96 int interpreter_error; /* fd gs stderr, -1 if None */
97 XtInputId interpreter_input_id; /* XtInputId for above */
98 XtInputId interpreter_output_id; /* XtInputId for above */
99 XtInputId interpreter_error_id; /* XtInputId for above */
100 #else /* VMS */
101 short interpreter_input_iosb[4]; /* I/O Status Blocks */
102 short interpreter_output_iosb[4]; /* for each mailbox */
103 char *output_buffer; /* pointer to output buffer */
104 #endif /* VMS */
105 Dimension gs_width; /* Width of window at last Setup() */
106 Dimension gs_height; /* Height of window at last Setup() */
107 Boolean busy; /* Is gs busy drawing? */
108 Boolean changed; /* something changed since Setup()? */
109 } GhostviewPart;
110
111 typedef struct _GhostviewRec {
112 CorePart core;
113 GhostviewPart ghostview;
114 } GhostviewRec;
115
116 #endif /* _GhostviewP_h */