| /* |
| * 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 |