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
|
/*
* Copyright (C) 2003,2008 Red Hat, Inc.
* Copyright © 2019, 2020 Christian Persch
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <cstdint>
#include "fwd.hh"
#include "vtetypes.hh"
#include "vteunistr.h"
namespace vte {
namespace view {
class Minifont {
public:
/* Check if a unicode character is actually a graphic character we draw
* ourselves to handle cases where fonts don't have glyphs for them.
*/
static inline constexpr bool
unistr_is_local_graphic(vteunistr const c) noexcept
{
/* Box Drawing & Block Elements */
return ((c >= 0x23b8 && c <= 0x23bd) ||
(c >= 0x2500 && c <= 0x259f) ||
(c >= 0x25e2 && c <= 0x25e5) ||
(c >= 0x1fb00 && c <= 0x1fbebf) ||
(c >= 0x1cc00 && c <= 0x1ceaf));
}
/* Draw the graphic representation of a line-drawing or special graphics
* character.
*/
void draw_graphic(DrawingContext const& context,
vteunistr c,
uint32_t const attr,
vte::color::rgb const* fg,
int x,
int y,
int font_width,
int columns,
int font_height);
}; // class Minifont
} // namespace view
} // namespace vte
|
