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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. |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 */ | 28 */ |
| 29 | 29 |
| 30 #ifndef FontCache_h | 30 #ifndef FontCache_h |
| 31 #define FontCache_h | 31 #define FontCache_h |
| 32 | 32 |
| 33 #include "platform/PlatformExport.h" | 33 #include "platform/PlatformExport.h" |
| 34 #include "platform/fonts/FallbackListCompositeKey.h" | 34 #include "platform/fonts/FallbackListCompositeKey.h" |
| 35 #include "platform/fonts/FontCacheKey.h" | 35 #include "platform/fonts/FontCacheKey.h" |
| 36 #include "platform/fonts/FontFaceCreationParams.h" | 36 #include "platform/fonts/FontFaceCreationParams.h" |
| 37 #include "platform/fonts/FontFallbackPriority.h" | 37 #include "platform/fonts/FontFallbackPriority.h" |
| 38 #include "third_party/skia/include/core/SkRefCnt.h" |
| 38 #include "wtf/Allocator.h" | 39 #include "wtf/Allocator.h" |
| 39 #include "wtf/Forward.h" | 40 #include "wtf/Forward.h" |
| 40 #include "wtf/HashMap.h" | 41 #include "wtf/HashMap.h" |
| 41 #include "wtf/PassRefPtr.h" | 42 #include "wtf/PassRefPtr.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 #include <memory> | 47 #include <memory> |
| 48 | 48 |
| 49 #include "SkFontMgr.h" | 49 #include "SkFontMgr.h" |
| 50 | 50 |
| 51 class SkTypeface; | 51 class SkTypeface; |
| 52 | 52 |
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| 99 // be valid for the duration of the current session, as controlled by | 99 // be valid for the duration of the current session, as controlled by |
| 100 // disable/enablePurging. | 100 // disable/enablePurging. |
| 101 ShapeCache* getShapeCache(const FallbackListCompositeKey&); | 101 ShapeCache* getShapeCache(const FallbackListCompositeKey&); |
| 102 | 102 |
| 103 void addClient(FontCacheClient*); | 103 void addClient(FontCacheClient*); |
| 104 | 104 |
| 105 unsigned short generation(); | 105 unsigned short generation(); |
| 106 void invalidate(); | 106 void invalidate(); |
| 107 | 107 |
| 108 SkFontMgr* fontManager() { return m_fontManager.get(); } | 108 SkFontMgr* fontManager() { return m_fontManager.get(); } |
| 109 static void setFontManager(const RefPtr<SkFontMgr>&); | 109 static void setFontManager(const sk_sp<SkFontMgr>&); |
| 110 | 110 |
| 111 #if OS(WIN) | 111 #if OS(WIN) |
| 112 static bool antialiasedTextEnabled() { return s_antialiasedTextEnabled; } | 112 static bool antialiasedTextEnabled() { return s_antialiasedTextEnabled; } |
| 113 static bool lcdTextEnabled() { return s_lcdTextEnabled; } | 113 static bool lcdTextEnabled() { return s_lcdTextEnabled; } |
| 114 static float deviceScaleFactor() { return s_deviceScaleFactor; } | 114 static float deviceScaleFactor() { return s_deviceScaleFactor; } |
| 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 setDeviceScaleFactor(float deviceScaleFactor) { s_deviceScaleFac
tor = deviceScaleFactor; } | 117 static void setDeviceScaleFactor(float deviceScaleFactor) { s_deviceScaleFac
tor = deviceScaleFactor; } |
| 118 static void addSideloadedFontForTesting(SkTypeface*); | 118 static void addSideloadedFontForTesting(SkTypeface*); |
| 119 // Functions to cache and retrieve the system font metrics. | 119 // Functions to cache and retrieve the system font metrics. |
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| 170 } | 170 } |
| 171 | 171 |
| 172 // FIXME: This method should eventually be removed. | 172 // FIXME: This method should eventually be removed. |
| 173 FontPlatformData* getFontPlatformData(const FontDescription&, const FontFace
CreationParams&, bool checkingAlternateName = false); | 173 FontPlatformData* getFontPlatformData(const FontDescription&, const FontFace
CreationParams&, bool checkingAlternateName = false); |
| 174 | 174 |
| 175 // These methods are implemented by each platform. | 175 // These methods are implemented by each platform. |
| 176 std::unique_ptr<FontPlatformData> createFontPlatformData(const FontDescripti
on&, const FontFaceCreationParams&, float fontSize); | 176 std::unique_ptr<FontPlatformData> createFontPlatformData(const FontDescripti
on&, const FontFaceCreationParams&, float fontSize); |
| 177 std::unique_ptr<FontPlatformData> scaleFontPlatformData(const FontPlatformDa
ta&, const FontDescription&, const FontFaceCreationParams&, float fontSize); | 177 std::unique_ptr<FontPlatformData> scaleFontPlatformData(const FontPlatformDa
ta&, const FontDescription&, const FontFaceCreationParams&, float fontSize); |
| 178 | 178 |
| 179 // Implemented on skia platforms. | 179 // Implemented on skia platforms. |
| 180 PassRefPtr<SkTypeface> createTypeface(const FontDescription&, const FontFace
CreationParams&, CString& name); | 180 sk_sp<SkTypeface> createTypeface(const FontDescription&, const FontFaceCreat
ionParams&, CString& name); |
| 181 | 181 |
| 182 #if OS(ANDROID) || OS(LINUX) | 182 #if OS(ANDROID) || OS(LINUX) |
| 183 static AtomicString getFamilyNameForCharacter(SkFontMgr*, UChar32, const Fon
tDescription&, FontFallbackPriority); | 183 static AtomicString getFamilyNameForCharacter(SkFontMgr*, UChar32, const Fon
tDescription&, FontFallbackPriority); |
| 184 #endif | 184 #endif |
| 185 | 185 |
| 186 PassRefPtr<SimpleFontData> fallbackOnStandardFontStyle(const FontDescription
&, UChar32); | 186 PassRefPtr<SimpleFontData> fallbackOnStandardFontStyle(const FontDescription
&, UChar32); |
| 187 | 187 |
| 188 // Don't purge if this count is > 0; | 188 // Don't purge if this count is > 0; |
| 189 int m_purgePreventCount; | 189 int m_purgePreventCount; |
| 190 | 190 |
| 191 RefPtr<SkFontMgr> m_fontManager; | 191 sk_sp<SkFontMgr> m_fontManager; |
| 192 | 192 |
| 193 static SkFontMgr* s_staticFontManager; | 193 static SkFontMgr* s_staticFontManager; |
| 194 | 194 |
| 195 #if OS(WIN) | 195 #if OS(WIN) |
| 196 static bool s_antialiasedTextEnabled; | 196 static bool s_antialiasedTextEnabled; |
| 197 static bool s_lcdTextEnabled; | 197 static bool s_lcdTextEnabled; |
| 198 static float s_deviceScaleFactor; | 198 static float s_deviceScaleFactor; |
| 199 static HashMap<String, RefPtr<SkTypeface>>* s_sideloadedFonts; | 199 static HashMap<String, sk_sp<SkTypeface>>* s_sideloadedFonts; |
| 200 // The system font metrics cache. | 200 // The system font metrics cache. |
| 201 static AtomicString* s_menuFontFamilyName; | 201 static AtomicString* s_menuFontFamilyName; |
| 202 static int32_t s_menuFontHeight; | 202 static int32_t s_menuFontHeight; |
| 203 static AtomicString* s_smallCaptionFontFamilyName; | 203 static AtomicString* s_smallCaptionFontFamilyName; |
| 204 static int32_t s_smallCaptionFontHeight; | 204 static int32_t s_smallCaptionFontHeight; |
| 205 static AtomicString* s_statusFontFamilyName; | 205 static AtomicString* s_statusFontFamilyName; |
| 206 static int32_t s_statusFontHeight; | 206 static int32_t s_statusFontHeight; |
| 207 static bool s_useSkiaFontFallback; | 207 static bool s_useSkiaFontFallback; |
| 208 #endif | 208 #endif |
| 209 | 209 |
| 210 friend class SimpleFontData; // For fontDataFromFontPlatformData | 210 friend class SimpleFontData; // For fontDataFromFontPlatformData |
| 211 friend class FontFallbackList; | 211 friend class FontFallbackList; |
| 212 }; | 212 }; |
| 213 | 213 |
| 214 class PLATFORM_EXPORT FontCachePurgePreventer { | 214 class PLATFORM_EXPORT FontCachePurgePreventer { |
| 215 USING_FAST_MALLOC(FontCachePurgePreventer); | 215 USING_FAST_MALLOC(FontCachePurgePreventer); |
| 216 WTF_MAKE_NONCOPYABLE(FontCachePurgePreventer); | 216 WTF_MAKE_NONCOPYABLE(FontCachePurgePreventer); |
| 217 public: | 217 public: |
| 218 FontCachePurgePreventer() { FontCache::fontCache()->disablePurging(); } | 218 FontCachePurgePreventer() { FontCache::fontCache()->disablePurging(); } |
| 219 ~FontCachePurgePreventer() { FontCache::fontCache()->enablePurging(); } | 219 ~FontCachePurgePreventer() { FontCache::fontCache()->enablePurging(); } |
| 220 }; | 220 }; |
| 221 | 221 |
| 222 } // namespace blink | 222 } // namespace blink |
| 223 | 223 |
| 224 #endif | 224 #endif |
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