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| 1 /* | |
| 2 * Copyright (C) 2006, 2007 Apple Computer, Inc. | |
| 3 * Copyright (c) 2006, 2007, 2008, 2009, Google Inc. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are | |
| 7 * met: | |
| 8 * | |
| 9 * * Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * * Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following disclaimer | |
| 13 * in the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * * Neither the name of Google Inc. nor the names of its | |
| 16 * contributors may be used to endorse or promote products derived from | |
| 17 * this software without specific prior written permission. | |
| 18 * | |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 #ifndef FontPlatformDataChromiumWin_h | |
| 33 #define FontPlatformDataChromiumWin_h | |
| 34 | |
| 35 #include "SkPaint.h" | |
| 36 #include "SkTypeface.h" | |
| 37 #include "SkTypeface_win.h" | |
| 38 #include "core/platform/graphics/opentype/OpenTypeVerticalData.h" | |
| 39 #include "platform/SharedBuffer.h" | |
| 40 #include "platform/fonts/FontOrientation.h" | |
| 41 #include "wtf/Forward.h" | |
| 42 #include "wtf/HashTableDeletedValueType.h" | |
| 43 #include "wtf/OwnPtr.h" | |
| 44 #include "wtf/PassRefPtr.h" | |
| 45 #include "wtf/RefCounted.h" | |
| 46 #include "wtf/RefPtr.h" | |
| 47 #include "wtf/text/StringImpl.h" | |
| 48 | |
| 49 #include <usp10.h> | |
| 50 | |
| 51 typedef struct HFONT__ *HFONT; | |
| 52 | |
| 53 namespace WebCore { | |
| 54 | |
| 55 // Return a typeface associated with the hfont, and return its size and | |
| 56 // lfQuality from the hfont's LOGFONT. | |
| 57 PassRefPtr<SkTypeface> CreateTypefaceFromHFont(HFONT, int* size, int* paintTextF
lags); | |
| 58 | |
| 59 class FontDescription; | |
| 60 class GraphicsContext; | |
| 61 class HarfBuzzFace; | |
| 62 | |
| 63 class FontPlatformData { | |
| 64 public: | |
| 65 // Used for deleted values in the font cache's hash tables. The hash table | |
| 66 // will create us with this structure, and it will compare other values | |
| 67 // to this "Deleted" one. It expects the Deleted one to be differentiable | |
| 68 // from the NULL one (created with the empty constructor), so we can't just | |
| 69 // set everything to NULL. | |
| 70 FontPlatformData(WTF::HashTableDeletedValueType); | |
| 71 FontPlatformData(); | |
| 72 #if ENABLE(GDI_FONTS_ON_WINDOWS) | |
| 73 // This constructor takes ownership of the HFONT | |
| 74 FontPlatformData(HFONT, float size, FontOrientation); | |
| 75 #endif | |
| 76 FontPlatformData(float size, bool bold, bool oblique); | |
| 77 FontPlatformData(const FontPlatformData&); | |
| 78 FontPlatformData(const FontPlatformData&, float textSize); | |
| 79 FontPlatformData(PassRefPtr<SkTypeface>, const char* name, float textSize, b
ool fakeBold, bool fakeItalic, FontOrientation = Horizontal); | |
| 80 | |
| 81 void setupPaint(SkPaint*, GraphicsContext* = 0) const; | |
| 82 | |
| 83 FontPlatformData& operator=(const FontPlatformData&); | |
| 84 | |
| 85 bool isHashTableDeletedValue() const { return m_isHashTableDeletedValue; } | |
| 86 | |
| 87 ~FontPlatformData(); | |
| 88 | |
| 89 bool isFixedPitch() const; | |
| 90 float size() const { return m_textSize; } | |
| 91 #if USE(HARFBUZZ) | |
| 92 HarfBuzzFace* harfBuzzFace() const; | |
| 93 #else | |
| 94 HFONT hfont() const { return m_font ? m_font->hfont() : 0; } | |
| 95 #endif | |
| 96 SkTypeface* typeface() const { return m_typeface.get(); } | |
| 97 SkFontID uniqueID() const { return m_typeface->uniqueID(); } | |
| 98 int paintTextFlags() const { return m_paintTextFlags; } | |
| 99 | |
| 100 String fontFamilyName() const; | |
| 101 | |
| 102 FontOrientation orientation() const { return m_orientation; } | |
| 103 void setOrientation(FontOrientation orientation) { m_orientation = orientati
on; } | |
| 104 | |
| 105 #if ENABLE(GDI_FONTS_ON_WINDOWS) | |
| 106 unsigned hash() const | |
| 107 { | |
| 108 return m_font ? m_font->hash() : NULL; | |
| 109 } | |
| 110 #else | |
| 111 unsigned hash() const; | |
| 112 #endif | |
| 113 | |
| 114 bool operator==(const FontPlatformData&) const; | |
| 115 | |
| 116 #if ENABLE(OPENTYPE_VERTICAL) | |
| 117 PassRefPtr<OpenTypeVerticalData> verticalData() const; | |
| 118 PassRefPtr<SharedBuffer> openTypeTable(uint32_t table) const; | |
| 119 #endif | |
| 120 | |
| 121 #ifndef NDEBUG | |
| 122 String description() const; | |
| 123 #endif | |
| 124 | |
| 125 #if !USE(HARFBUZZ) | |
| 126 SCRIPT_FONTPROPERTIES* scriptFontProperties() const; | |
| 127 SCRIPT_CACHE* scriptCache() const { return &m_scriptCache; } | |
| 128 static bool ensureFontLoaded(HFONT); | |
| 129 #endif | |
| 130 | |
| 131 private: | |
| 132 #if !USE(HARFBUZZ) | |
| 133 // We refcount the internal HFONT so that FontPlatformData can be | |
| 134 // efficiently copied. WebKit depends on being able to copy it, and we | |
| 135 // don't really want to re-create the HFONT. | |
| 136 class RefCountedHFONT : public RefCounted<RefCountedHFONT> { | |
| 137 public: | |
| 138 static PassRefPtr<RefCountedHFONT> create(HFONT hfont) | |
| 139 { | |
| 140 return adoptRef(new RefCountedHFONT(hfont)); | |
| 141 } | |
| 142 | |
| 143 ~RefCountedHFONT(); | |
| 144 | |
| 145 HFONT hfont() const { return m_hfont; } | |
| 146 unsigned hash() const | |
| 147 { | |
| 148 return StringHasher::hashMemory<sizeof(HFONT)>(&m_hfont); | |
| 149 } | |
| 150 | |
| 151 bool operator==(const RefCountedHFONT& other) const | |
| 152 { | |
| 153 return m_hfont == other.m_hfont; | |
| 154 } | |
| 155 | |
| 156 private: | |
| 157 // The create() function assumes there is already a refcount of one | |
| 158 // so it can do adoptRef. | |
| 159 RefCountedHFONT(HFONT hfont) : m_hfont(hfont) | |
| 160 { | |
| 161 } | |
| 162 | |
| 163 HFONT m_hfont; | |
| 164 }; | |
| 165 | |
| 166 RefPtr<RefCountedHFONT> m_font; | |
| 167 #endif // !USE(HARFBUZZ) | |
| 168 float m_textSize; // Point size of the font in pixels. | |
| 169 FontOrientation m_orientation; | |
| 170 bool m_fakeBold; | |
| 171 bool m_fakeItalic; | |
| 172 | |
| 173 RefPtr<SkTypeface> m_typeface; | |
| 174 int m_paintTextFlags; | |
| 175 | |
| 176 #if USE(HARFBUZZ) | |
| 177 mutable RefPtr<HarfBuzzFace> m_harfBuzzFace; | |
| 178 #else | |
| 179 mutable SCRIPT_CACHE m_scriptCache; | |
| 180 mutable OwnPtr<SCRIPT_FONTPROPERTIES> m_scriptFontProperties; | |
| 181 #endif | |
| 182 | |
| 183 bool m_isHashTableDeletedValue; | |
| 184 }; | |
| 185 | |
| 186 } // WebCore | |
| 187 | |
| 188 #endif // FontPlatformDataChromiumWin_h | |
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Chromium Code Reviews
Issue 26679003:
Move platform/graphics/chromium/* to platform/graphics/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master