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
84
85
86
87
88
89
90
91
|
////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2009-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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.
//
// Octave 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 Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_base_text_renderer_h)
#define octave_base_text_renderer_h 1
#include "octave-config.h"
#include <list>
#include <string>
#include "dMatrix.h"
#include "oct-map.h"
#include "uint8NDArray.h"
#include "text-engine.h"
#include "text-renderer.h"
namespace octave
{
class
base_text_renderer : public text_processor
{
public:
base_text_renderer (void) : text_processor () { }
// No copying!
base_text_renderer (const base_text_renderer&) = delete;
base_text_renderer& operator = (const base_text_renderer&) = delete;
virtual ~base_text_renderer (void) = default;
virtual void
set_anti_aliasing (bool val) = 0;
virtual Matrix
get_extent (text_element *elt, double rotation) = 0;
virtual Matrix
get_extent (const std::string& txt, double rotation,
const caseless_str& interpreter) = 0;
virtual void
set_font (const std::string& name, const std::string& weight,
const std::string& angle, double size) = 0;
virtual octave_map
get_system_fonts (void) = 0;
virtual void set_color (const Matrix& c) = 0;
virtual void
text_to_pixels (const std::string& txt, uint8NDArray& pxls,
Matrix& bbox, int halign, int valign, double rotation,
const caseless_str& interpreter,
bool handle_rotation) = 0;
virtual void
text_to_strlist (const std::string& txt,
std::list<text_renderer::string>& lst,
Matrix& box, int halign, int valign, double rotation,
const caseless_str& interpreter = "tex") = 0;
};
}
#endif
|
