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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(CAIRO) || USE(SKIA)
#include <optional>
#include <wtf/NeverDestroyed.h>
#if USE(CAIRO)
#include "CairoUniquePtr.h"
#elif USE(SKIA)
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_BEGIN
#include <skia/core/SkFont.h>
#include <skia/core/SkFontTypes.h>
#include <skia/core/SkSurfaceProps.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_END
#endif
#if PLATFORM(GTK) && !USE(GTK4)
static constexpr bool s_followSystemSettingsDefault = true;
#else
static constexpr bool s_followSystemSettingsDefault = false;
#endif
namespace WebCore {
class FontRenderOptions {
friend class NeverDestroyed<FontRenderOptions>;
public:
WEBCORE_EXPORT static FontRenderOptions& singleton();
enum class Hinting {
None,
Slight,
Medium,
Full
};
enum class Antialias {
None,
Normal,
Subpixel
};
enum class SubpixelOrder {
Unknown,
HorizontalRGB,
HorizontalBGR,
VerticalRGB,
VerticalBGR
};
void setHinting(std::optional<Hinting>);
void setAntialias(std::optional<Antialias>);
void setSubpixelOrder(std::optional<SubpixelOrder>);
void setFollowSystemSettings(std::optional<bool> followSystemSettings) { m_followSystemSettings = followSystemSettings.value_or(s_followSystemSettingsDefault); }
#if USE(CAIRO)
const cairo_font_options_t* fontOptions() const { return m_fontOptions.get(); }
#elif USE(SKIA)
SkFontHinting hinting() const;
SkFont::Edging antialias() const;
SkPixelGeometry subpixelOrder() const;
void setUseSubpixelPositioning(bool enable) { m_useSubpixelPositioning = enable; }
bool useSubpixelPositioning() const;
#endif
WEBCORE_EXPORT void disableHintingForTesting();
bool isHintingDisabledForTesting() const { return m_isHintingDisabledForTesting; }
private:
FontRenderOptions();
~FontRenderOptions() = default;
#if USE(CAIRO)
CairoUniquePtr<cairo_font_options_t> m_fontOptions;
#elif USE(SKIA)
SkFontHinting m_hinting { SkFontHinting::kNormal };
SkFont::Edging m_antialias { SkFont::Edging::kAntiAlias };
SkPixelGeometry m_subpixelOrder { kUnknown_SkPixelGeometry };
bool m_useSubpixelPositioning { false };
#endif
bool m_followSystemSettings { s_followSystemSettingsDefault };
bool m_isHintingDisabledForTesting { false };
};
} // namespace WebCore
#endif // USE(CAIRO) || USE(SKIA)
|
