blob: e6f7390954c41dbf1d2c73317464320be0dd79ec (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
//
// Copyright 2007 Johannes Hofmann <Johannes.Hofmann@gmx.de>
//
// This software may be used and distributed according to the terms
// of the GNU General Public License, incorporated herein by reference.
#ifndef GsWidget_H
#define GsWidget_H
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/x.H>
#include "PostscriptDSC.H"
class GsWidget : public Fl_Widget {
private:
PostscriptDSC *dsc;
int gs_win;
Atom atoms[5];
pid_t gs_pid;
int display_x, display_y;
int in_fd, reload_needed;
int zoom_percent;
int initial_width, initial_height;
int feeding;
void resize();
void clear();
protected:
int page;
Fl_Offscreen offscreen;
int xdpi, ydpi;
int paper_x, paper_y;
void draw();
public:
GsWidget(int X,int Y,int W, int H);
~GsWidget();
int open_file(char *f);
int open_file(int fd);
int load();
int load_page(int p);
int reload();
int next();
int prev();
int handleX11(int ev);
int zoom(int p);
int get_page();
int get_pages();
private:
void setProps();
void exec_gs();
void kill_gs();
int fd_copy(int to, int from, size_t len);
bool gs_active();
};
#endif
|
