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1 /* | 1 /* |
2 * Copyright (C) 2006, 2008 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2006, 2008 Apple Computer, Inc. All rights reserved. |
3 * Copyright (C) 2007-2008 Torch Mobile, Inc. | 3 * Copyright (C) 2007-2008 Torch Mobile, Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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38 #include "wtf/Allocator.h" | 38 #include "wtf/Allocator.h" |
39 #include "wtf/Forward.h" | 39 #include "wtf/Forward.h" |
40 #include "wtf/HashMap.h" | 40 #include "wtf/HashMap.h" |
41 #include "wtf/PassRefPtr.h" | 41 #include "wtf/PassRefPtr.h" |
42 #include "wtf/RefPtr.h" | 42 #include "wtf/RefPtr.h" |
43 #include "wtf/text/CString.h" | 43 #include "wtf/text/CString.h" |
44 #include "wtf/text/Unicode.h" | 44 #include "wtf/text/Unicode.h" |
45 #include "wtf/text/WTFString.h" | 45 #include "wtf/text/WTFString.h" |
46 #include <limits.h> | 46 #include <limits.h> |
47 | 47 |
48 #if OS(WIN) | |
49 #include "SkFontMgr.h" | 48 #include "SkFontMgr.h" |
50 #endif | |
51 | 49 |
52 class SkTypeface; | 50 class SkTypeface; |
53 | 51 |
54 namespace blink { | 52 namespace blink { |
55 | 53 |
56 class FontCacheClient; | 54 class FontCacheClient; |
57 class FontFaceCreationParams; | 55 class FontFaceCreationParams; |
58 class FontPlatformData; | 56 class FontPlatformData; |
59 class FontDescription; | 57 class FontDescription; |
60 class OpenTypeVerticalData; | 58 class OpenTypeVerticalData; |
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97 ShapeCache* getShapeCache(const FallbackListCompositeKey&); | 95 ShapeCache* getShapeCache(const FallbackListCompositeKey&); |
98 | 96 |
99 void addClient(FontCacheClient*); | 97 void addClient(FontCacheClient*); |
100 #if !ENABLE(OILPAN) | 98 #if !ENABLE(OILPAN) |
101 void removeClient(FontCacheClient*); | 99 void removeClient(FontCacheClient*); |
102 #endif | 100 #endif |
103 | 101 |
104 unsigned short generation(); | 102 unsigned short generation(); |
105 void invalidate(); | 103 void invalidate(); |
106 | 104 |
| 105 SkFontMgr* fontManager() { return m_fontManager.get(); } |
| 106 static void setFontManager(const RefPtr<SkFontMgr>&); |
| 107 |
107 #if OS(WIN) | 108 #if OS(WIN) |
108 bool useSubpixelPositioning() const { return s_useSubpixelPositioning; } | 109 bool useSubpixelPositioning() const { return s_useSubpixelPositioning; } |
109 SkFontMgr* fontManager() { return m_fontManager.get(); } | |
110 static bool useDirectWrite() { return s_useDirectWrite; } | 110 static bool useDirectWrite() { return s_useDirectWrite; } |
111 static bool antialiasedTextEnabled() { return s_antialiasedTextEnabled; } | 111 static bool antialiasedTextEnabled() { return s_antialiasedTextEnabled; } |
112 static bool lcdTextEnabled() { return s_lcdTextEnabled; } | 112 static bool lcdTextEnabled() { return s_lcdTextEnabled; } |
113 static float deviceScaleFactor() { return s_deviceScaleFactor; } | 113 static float deviceScaleFactor() { return s_deviceScaleFactor; } |
114 static void setUseDirectWrite(bool useDirectWrite) { s_useDirectWrite = useD
irectWrite; } | 114 static void setUseDirectWrite(bool useDirectWrite) { s_useDirectWrite = useD
irectWrite; } |
115 static void setAntialiasedTextEnabled(bool enabled) { s_antialiasedTextEnabl
ed = enabled; } | 115 static void setAntialiasedTextEnabled(bool enabled) { s_antialiasedTextEnabl
ed = enabled; } |
116 static void setLCDTextEnabled(bool enabled) { s_lcdTextEnabled = enabled; } | 116 static void setLCDTextEnabled(bool enabled) { s_lcdTextEnabled = enabled; } |
117 static void setFontManager(const RefPtr<SkFontMgr>&); | |
118 static void setDeviceScaleFactor(float deviceScaleFactor) { s_deviceScaleFac
tor = deviceScaleFactor; } | 117 static void setDeviceScaleFactor(float deviceScaleFactor) { s_deviceScaleFac
tor = deviceScaleFactor; } |
119 static void addSideloadedFontForTesting(SkTypeface*); | 118 static void addSideloadedFontForTesting(SkTypeface*); |
120 // Functions to cache and retrieve the system font metrics. | 119 // Functions to cache and retrieve the system font metrics. |
121 static void setMenuFontMetrics(const wchar_t* familyName, int32_t fontHeight
); | 120 static void setMenuFontMetrics(const wchar_t* familyName, int32_t fontHeight
); |
122 static void setSmallCaptionFontMetrics(const wchar_t* familyName, int32_t fo
ntHeight); | 121 static void setSmallCaptionFontMetrics(const wchar_t* familyName, int32_t fo
ntHeight); |
123 static void setStatusFontMetrics(const wchar_t* familyName, int32_t fontHeig
ht); | 122 static void setStatusFontMetrics(const wchar_t* familyName, int32_t fontHeig
ht); |
124 static int32_t menuFontHeight() { return s_menuFontHeight; } | 123 static int32_t menuFontHeight() { return s_menuFontHeight; } |
125 static const AtomicString& menuFontFamily() { return *s_smallCaptionFontFami
lyName; } | 124 static const AtomicString& menuFontFamily() { return *s_smallCaptionFontFami
lyName; } |
126 static int32_t smallCaptionFontHeight() { return s_smallCaptionFontHeight; } | 125 static int32_t smallCaptionFontHeight() { return s_smallCaptionFontHeight; } |
127 static const AtomicString& smallCaptionFontFamily() { return *s_smallCaption
FontFamilyName; } | 126 static const AtomicString& smallCaptionFontFamily() { return *s_smallCaption
FontFamilyName; } |
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171 | 170 |
172 // FIXME: This method should eventually be removed. | 171 // FIXME: This method should eventually be removed. |
173 FontPlatformData* getFontPlatformData(const FontDescription&, const FontFace
CreationParams&, bool checkingAlternateName = false); | 172 FontPlatformData* getFontPlatformData(const FontDescription&, const FontFace
CreationParams&, bool checkingAlternateName = false); |
174 | 173 |
175 // These methods are implemented by each platform. | 174 // These methods are implemented by each platform. |
176 PassOwnPtr<FontPlatformData> createFontPlatformData(const FontDescription&,
const FontFaceCreationParams&, float fontSize); | 175 PassOwnPtr<FontPlatformData> createFontPlatformData(const FontDescription&,
const FontFaceCreationParams&, float fontSize); |
177 | 176 |
178 // Implemented on skia platforms. | 177 // Implemented on skia platforms. |
179 PassRefPtr<SkTypeface> createTypeface(const FontDescription&, const FontFace
CreationParams&, CString& name); | 178 PassRefPtr<SkTypeface> createTypeface(const FontDescription&, const FontFace
CreationParams&, CString& name); |
180 | 179 |
| 180 #if OS(ANDROID) || OS(LINUX) |
| 181 static AtomicString getFamilyNameForCharacter(SkFontMgr*, UChar32, const Fon
tDescription&, FontFallbackPriority); |
| 182 #endif |
| 183 |
181 PassRefPtr<SimpleFontData> fallbackOnStandardFontStyle(const FontDescription
&, UChar32); | 184 PassRefPtr<SimpleFontData> fallbackOnStandardFontStyle(const FontDescription
&, UChar32); |
182 | 185 |
183 // Don't purge if this count is > 0; | 186 // Don't purge if this count is > 0; |
184 int m_purgePreventCount; | 187 int m_purgePreventCount; |
185 | 188 |
| 189 RefPtr<SkFontMgr> m_fontManager; |
| 190 |
| 191 static SkFontMgr* s_fontManager; |
| 192 |
186 #if OS(WIN) | 193 #if OS(WIN) |
187 RefPtr<SkFontMgr> m_fontManager; | |
188 static bool s_useDirectWrite; | 194 static bool s_useDirectWrite; |
189 static bool s_antialiasedTextEnabled; | 195 static bool s_antialiasedTextEnabled; |
190 static bool s_lcdTextEnabled; | 196 static bool s_lcdTextEnabled; |
191 static SkFontMgr* s_fontManager; | |
192 static float s_deviceScaleFactor; | 197 static float s_deviceScaleFactor; |
193 static bool s_useSubpixelPositioning; | 198 static bool s_useSubpixelPositioning; |
194 static HashMap<String, RefPtr<SkTypeface>>* s_sideloadedFonts; | 199 static HashMap<String, RefPtr<SkTypeface>>* s_sideloadedFonts; |
195 // The system font metrics cache. | 200 // The system font metrics cache. |
196 static AtomicString* s_menuFontFamilyName; | 201 static AtomicString* s_menuFontFamilyName; |
197 static int32_t s_menuFontHeight; | 202 static int32_t s_menuFontHeight; |
198 static AtomicString* s_smallCaptionFontFamilyName; | 203 static AtomicString* s_smallCaptionFontFamilyName; |
199 static int32_t s_smallCaptionFontHeight; | 204 static int32_t s_smallCaptionFontHeight; |
200 static AtomicString* s_statusFontFamilyName; | 205 static AtomicString* s_statusFontFamilyName; |
201 static int32_t s_statusFontHeight; | 206 static int32_t s_statusFontHeight; |
202 #endif | 207 #endif |
203 | 208 |
204 friend class SimpleFontData; // For fontDataFromFontPlatformData | 209 friend class SimpleFontData; // For fontDataFromFontPlatformData |
205 friend class FontFallbackList; | 210 friend class FontFallbackList; |
206 }; | 211 }; |
207 | 212 |
208 class PLATFORM_EXPORT FontCachePurgePreventer { | 213 class PLATFORM_EXPORT FontCachePurgePreventer { |
209 USING_FAST_MALLOC(FontCachePurgePreventer); | 214 USING_FAST_MALLOC(FontCachePurgePreventer); |
210 WTF_MAKE_NONCOPYABLE(FontCachePurgePreventer); | 215 WTF_MAKE_NONCOPYABLE(FontCachePurgePreventer); |
211 public: | 216 public: |
212 FontCachePurgePreventer() { FontCache::fontCache()->disablePurging(); } | 217 FontCachePurgePreventer() { FontCache::fontCache()->disablePurging(); } |
213 ~FontCachePurgePreventer() { FontCache::fontCache()->enablePurging(); } | 218 ~FontCachePurgePreventer() { FontCache::fontCache()->enablePurging(); } |
214 }; | 219 }; |
215 | 220 |
216 } // namespace blink | 221 } // namespace blink |
217 | 222 |
218 #endif | 223 #endif |
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