/* * Copyright (C) 2012 Koji Ishii <kojiishi@gmail.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef OpenTypeVerticalData_h #define OpenTypeVerticalData_h #if ENABLE(OPENTYPE_VERTICAL) #include "Glyph.h" #include <wtf/HashMap.h> #include <wtf/RefCounted.h> #include <wtf/Vector.h> namespace WebCore { class Font; class FontPlatformData; class GlyphPage; class OpenTypeVerticalData : public RefCounted<OpenTypeVerticalData> { public: static RefPtr<OpenTypeVerticalData> create(const FontPlatformData&); bool hasVerticalMetrics() const { return !m_advanceHeights.isEmpty(); } float advanceHeight(const Font*, Glyph) const; void getVerticalTranslationsForGlyphs(const Font*, const Glyph*, size_t, float* outXYArray) const; void substituteWithVerticalGlyphs(const Font*, GlyphPage*) const; private: explicit OpenTypeVerticalData(const FontPlatformData&, Vector<uint16_t>&& advanceWidths); void loadMetrics(const FontPlatformData&); void loadVerticalGlyphSubstitutions(const FontPlatformData&); bool hasVORG() const { return !m_vertOriginY.isEmpty(); } HashMap<Glyph, Glyph> m_verticalGlyphMap; Vector<uint16_t> m_advanceWidths; Vector<uint16_t> m_advanceHeights; Vector<int16_t> m_topSideBearings; int16_t m_defaultVertOriginY { 0 }; HashMap<Glyph, int16_t> m_vertOriginY; }; } // namespace WebCore #endif // ENABLE(OPENTYPE_VERTICAL) #endif // OpenTypeVerticalData_h