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Side by Side Diff: sky/engine/platform/fonts/FontPlatformData.h

Issue 714393002: Remove support for MSVC (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 6 years, 1 month ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. 2 * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc.
3 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 3 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
4 * Copyright (C) 2007 Holger Hans Peter Freyther 4 * Copyright (C) 2007 Holger Hans Peter Freyther
5 * Copyright (C) 2007 Pioneer Research Center USA, Inc. 5 * Copyright (C) 2007 Pioneer Research Center USA, Inc.
6 * Copyright (C) 2010, 2011 Brent Fulgham <bfulgham@webkit.org> 6 * Copyright (C) 2010, 2011 Brent Fulgham <bfulgham@webkit.org>
7 * 7 *
8 * This library is free software; you can redistribute it and/or 8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public 9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version. 11 * version 2 of the License, or (at your option) any later version.
12 * 12 *
13 * This library is distributed in the hope that it will be useful, 13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details. 16 * Library General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU Library General Public License 18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to 19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA. 21 * Boston, MA 02110-1301, USA.
22 * 22 *
23 */ 23 */
24 24
25 // FIXME: This is temporary until mac switch to using FontPlatformDataHarfBuzz.h and we merge it with this file. 25 // FIXME: This is temporary until mac switch to using FontPlatformDataHarfBuzz.h and we merge it with this file.
26 #if !OS(MACOSX)
27 #include "platform/fonts/harfbuzz/FontPlatformDataHarfBuzz.h" 26 #include "platform/fonts/harfbuzz/FontPlatformDataHarfBuzz.h"
28
29 #else
30
31 #ifndef FontPlatformData_h
32 #define FontPlatformData_h
33
34 #include "platform/PlatformExport.h"
35 #include "platform/fonts/FontOrientation.h"
36 #include "platform/fonts/FontWidthVariant.h"
37
38 OBJC_CLASS NSFont;
39
40 typedef struct CGFont* CGFontRef;
41 typedef const struct __CTFont* CTFontRef;
42
43 #include <CoreFoundation/CFBase.h>
44 #include <objc/objc-auto.h>
45
46 #include "wtf/Forward.h"
47 #include "wtf/HashTableDeletedValueType.h"
48 #include "wtf/PassRefPtr.h"
49 #include "wtf/RefCounted.h"
50 #include "wtf/RetainPtr.h"
51 #include "wtf/text/StringImpl.h"
52
53 #include "platform/fonts/mac/MemoryActivatedFont.h"
54 #include "third_party/skia/include/core/SkTypeface.h"
55
56 typedef struct CGFont* CGFontRef;
57 typedef const struct __CTFont* CTFontRef;
58 typedef UInt32 FMFont;
59 typedef FMFont ATSUFontID;
60 typedef UInt32 ATSFontRef;
61
62 namespace blink {
63
64 class HarfBuzzFace;
65
66 inline CTFontRef toCTFontRef(NSFont *nsFont) { return reinterpret_cast<CTFontRef >(nsFont); }
67
68 class PLATFORM_EXPORT FontPlatformData {
69 public:
70 FontPlatformData(WTF::HashTableDeletedValueType);
71 FontPlatformData();
72 FontPlatformData(const FontPlatformData&);
73 FontPlatformData(float size, bool syntheticBold, bool syntheticOblique, Font Orientation = Horizontal, FontWidthVariant = RegularWidth);
74 FontPlatformData(NSFont*, float size, bool syntheticBold = false, bool synth eticOblique = false,
75 FontOrientation = Horizontal, FontWidthVariant = RegularWid th);
76 FontPlatformData(CGFontRef, float size, bool syntheticBold, bool syntheticOb lique, FontOrientation, FontWidthVariant);
77
78 ~FontPlatformData();
79
80 NSFont* font() const { return m_font; }
81 void setFont(NSFont*);
82
83 CGFontRef cgFont() const { return m_cgFont.get(); }
84 CTFontRef ctFont() const;
85 SkTypeface* typeface() const;
86
87 bool roundsGlyphAdvances() const;
88 bool allowsLigatures() const;
89
90 String fontFamilyName() const;
91 bool isFixedPitch() const;
92 float size() const { return m_size; }
93 void setSize(float size) { m_size = size; }
94 bool syntheticBold() const { return m_syntheticBold; }
95 bool syntheticOblique() const { return m_syntheticOblique; }
96 bool isColorBitmapFont() const { return m_isColorBitmapFont; }
97 bool isCompositeFontReference() const { return m_isCompositeFontReference; }
98
99 FontOrientation orientation() const { return m_orientation; }
100 FontWidthVariant widthVariant() const { return m_widthVariant; }
101
102 void setOrientation(FontOrientation orientation) { m_orientation = orientati on; }
103
104 HarfBuzzFace* harfBuzzFace();
105
106 unsigned hash() const
107 {
108 ASSERT(m_font || !m_cgFont);
109 uintptr_t hashCodes[3] = { (uintptr_t)m_font, m_widthVariant, static_cas t<uintptr_t>(m_orientation << 2 | m_syntheticBold << 1 | m_syntheticOblique) };
110 return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
111 }
112
113 const FontPlatformData& operator=(const FontPlatformData&);
114
115 bool operator==(const FontPlatformData& other) const
116 {
117 return platformIsEqual(other)
118 && m_size == other.m_size
119 && m_syntheticBold == other.m_syntheticBold
120 && m_syntheticOblique == other.m_syntheticOblique
121 && m_isColorBitmapFont == other.m_isColorBitmapFont
122 && m_isCompositeFontReference == other.m_isCompositeFontReference
123 && m_orientation == other.m_orientation
124 && m_widthVariant == other.m_widthVariant;
125 }
126
127 bool isHashTableDeletedValue() const
128 {
129 return m_font == hashTableDeletedFontValue();
130 }
131
132 #ifndef NDEBUG
133 String description() const;
134 #endif
135
136 private:
137 bool platformIsEqual(const FontPlatformData&) const;
138 void platformDataInit(const FontPlatformData&);
139 const FontPlatformData& platformDataAssign(const FontPlatformData&);
140 #if OS(MACOSX)
141 // Load various data about the font specified by |nsFont| with the size font Size into the following output paramters:
142 // Note: Callers should always take into account that for the Chromium port, |outNSFont| isn't necessarily the same
143 // font as |nsFont|. This because the sandbox may block loading of the origi nal font.
144 // * outNSFont - The font that was actually loaded, for the Chromium port th is may be different than nsFont.
145 // The caller is responsible for calling CFRelease() on this parameter when done with it.
146 // * cgFont - CGFontRef representing the input font at the specified point s ize.
147 void loadFont(NSFont*, float fontSize, NSFont*& outNSFont, CGFontRef&);
148 static NSFont* hashTableDeletedFontValue() { return reinterpret_cast<NSFont *>(-1); }
149 #endif
150
151 public:
152 bool m_syntheticBold;
153 bool m_syntheticOblique;
154 FontOrientation m_orientation;
155 float m_size;
156 FontWidthVariant m_widthVariant;
157
158 private:
159 NSFont* m_font;
160 RetainPtr<CGFontRef> m_cgFont;
161 mutable RetainPtr<CTFontRef> m_CTFont;
162
163 RefPtr<MemoryActivatedFont> m_inMemoryFont;
164 RefPtr<HarfBuzzFace> m_harfBuzzFace;
165 mutable RefPtr<SkTypeface> m_typeface;
166
167 bool m_isColorBitmapFont;
168 bool m_isCompositeFontReference;
169 };
170
171 } // namespace blink
172
173 #endif // FontPlatformData_h
174
175 #endif
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