blob: 3e9f9ad205277c9cb82e6c1f546be5a85baac815 (
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
|
/*************************************************************************
** PSPreviewFilter.h **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2015 Martin Gieseking <martin.gieseking@uos.de> **
** **
** 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 this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#ifndef DVISVGM_PSPREVIEWFILTER_H
#define DVISVGM_PSPREVIEWFILTER_H
#include <string>
#include <vector>
#include "BoundingBox.h"
#include "PSFilter.h"
struct SpecialActions;
class PSPreviewFilter : public PSFilter
{
public:
PSPreviewFilter (PSInterpreter &psi);
void activate ();
void execute (const char *code, size_t len);
bool active () const {return _active;}
std::string version () const {return _version;}
bool tightpage () const {return _tightpage;}
void setDviScaleFactor (double dvi2bp) {_dvi2bp = dvi2bp;}
bool getBorders (double &left, double &right, double &top, double &bottom) const;
void assignBorders (BoundingBox &bbox) const;
bool getBoundingBox (BoundingBox &bbox) const;
double height () const;
double depth () const;
double width () const;
private:
std::string _version; ///< version string of preview package
bool _active; ///< true if filter is active
bool _tightpage; ///< true if tightpage option was given
double _dvi2bp; ///< factor to convert dvi units to PS points
std::vector<int> _boxExtents;
};
#endif
|