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| 1 /* | |
| 2 * Copyright (C) 2012 Koji Ishii <kojiishi@gmail.com> | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 23 */ | |
| 24 | |
| 25 #ifndef OpenTypeVerticalData_h | |
| 26 #define OpenTypeVerticalData_h | |
| 27 | |
| 28 #if ENABLE(OPENTYPE_VERTICAL) | |
| 29 | |
| 30 #include "platform/fonts/Glyph.h" | |
| 31 #include "wtf/HashMap.h" | |
| 32 #include "wtf/PassRefPtr.h" | |
| 33 #include "wtf/RefCounted.h" | |
| 34 #include "wtf/Vector.h" | |
| 35 | |
| 36 namespace WebCore { | |
| 37 | |
| 38 class FontPlatformData; | |
| 39 class GlyphPage; | |
| 40 class SimpleFontData; | |
| 41 | |
| 42 class OpenTypeVerticalData : public RefCounted<OpenTypeVerticalData> { | |
| 43 public: | |
| 44 static PassRefPtr<OpenTypeVerticalData> create(const FontPlatformData& platf
ormData) | |
| 45 { | |
| 46 return adoptRef(new OpenTypeVerticalData(platformData)); | |
| 47 } | |
| 48 | |
| 49 bool isOpenType() const { return !m_advanceWidths.isEmpty(); } | |
| 50 bool hasVerticalMetrics() const { return !m_advanceHeights.isEmpty(); } | |
| 51 float advanceHeight(const SimpleFontData*, Glyph) const; | |
| 52 void getVerticalTranslationsForGlyphs(const SimpleFontData*, const Glyph*, s
ize_t, float* outXYArray) const; | |
| 53 void substituteWithVerticalGlyphs(const SimpleFontData*, GlyphPage*, unsigne
d offset, unsigned length) const; | |
| 54 | |
| 55 bool inFontCache() const { return m_inFontCache; } | |
| 56 void setInFontCache(bool inFontCache) { m_inFontCache = inFontCache; } | |
| 57 | |
| 58 private: | |
| 59 explicit OpenTypeVerticalData(const FontPlatformData&); | |
| 60 | |
| 61 void loadMetrics(const FontPlatformData&); | |
| 62 void loadVerticalGlyphSubstitutions(const FontPlatformData&); | |
| 63 bool hasVORG() const { return !m_vertOriginY.isEmpty(); } | |
| 64 | |
| 65 HashMap<Glyph, Glyph> m_verticalGlyphMap; | |
| 66 Vector<uint16_t> m_advanceWidths; | |
| 67 Vector<uint16_t> m_advanceHeights; | |
| 68 Vector<int16_t> m_topSideBearings; | |
| 69 int16_t m_defaultVertOriginY; | |
| 70 HashMap<Glyph, int16_t> m_vertOriginY; | |
| 71 | |
| 72 bool m_inFontCache; // for mark & sweep in FontCache::purgeInactiveFontData(
) | |
| 73 }; | |
| 74 | |
| 75 } // namespace WebCore | |
| 76 | |
| 77 #endif // ENABLE(OPENTYPE_VERTICAL) | |
| 78 | |
| 79 #endif // OpenTypeVerticalData_h | |
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Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk