author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 11 May 2010 17:13:44 +0300 | |
branch | RCL_3 |
changeset 70 | 8bfb9186a8b8 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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* its contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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#ifndef GlyphBuffer_h |
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#define GlyphBuffer_h |
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#include "FloatSize.h" |
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#if PLATFORM(CG) |
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#include <ApplicationServices/ApplicationServices.h> |
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#elif PLATFORM(CAIRO) |
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#include <cairo.h> |
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#endif |
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#include <wtf/Vector.h> |
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namespace WebCore { |
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typedef unsigned short Glyph; |
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class FontData; |
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#if PLATFORM(CG) |
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typedef Glyph GlyphBufferGlyph; |
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typedef CGSize GlyphBufferAdvance; |
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#elif PLATFORM(CAIRO) |
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typedef cairo_glyph_t GlyphBufferGlyph; |
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typedef FloatSize GlyphBufferAdvance; |
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#elif PLATFORM(QT) |
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typedef unsigned short GlyphBufferGlyph; |
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typedef FloatSize GlyphBufferAdvance; |
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#elif PLATFORM(SYMBIAN) |
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// FIXME just making this compile |
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typedef int GlyphBufferGlyph; |
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typedef int GlyphBufferAdvance; |
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#endif |
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class GlyphBuffer { |
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public: |
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bool isEmpty() const { return m_fontData.isEmpty(); } |
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int size() const { return m_fontData.size(); } |
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void clear() |
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{ |
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m_fontData.clear(); |
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m_glyphs.clear(); |
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m_advances.clear(); |
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#if PLATFORM(WIN) |
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m_offsets.clear(); |
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#endif |
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} |
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GlyphBufferGlyph* glyphs(int from) { return m_glyphs.data() + from; } |
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GlyphBufferAdvance* advances(int from) { return m_advances.data() + from; } |
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const GlyphBufferGlyph* glyphs(int from) const { return m_glyphs.data() + from; } |
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const GlyphBufferAdvance* advances(int from) const { return m_advances.data() + from; } |
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const FontData* fontDataAt(int index) const { return m_fontData[index]; } |
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void swap(int index1, int index2) |
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{ |
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const FontData* f = m_fontData[index1]; |
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m_fontData[index1] = m_fontData[index2]; |
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m_fontData[index2] = f; |
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GlyphBufferGlyph g = m_glyphs[index1]; |
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m_glyphs[index1] = m_glyphs[index2]; |
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m_glyphs[index2] = g; |
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GlyphBufferAdvance s = m_advances[index1]; |
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m_advances[index1] = m_advances[index2]; |
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m_advances[index2] = s; |
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#if PLATFORM(WIN) |
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FloatSize offset = m_offsets[index1]; |
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m_offsets[index1] = m_offsets[index2]; |
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m_offsets[index2] = offset; |
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#endif |
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} |
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Glyph glyphAt(int index) const |
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{ |
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#if PLATFORM(CG) || PLATFORM(QT) |
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return m_glyphs[index]; |
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#elif PLATFORM(CAIRO) |
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return m_glyphs[index].index; |
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#elif PLATFORM(SYMBIAN) |
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return -1; // make the compiler happy |
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#endif |
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} |
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115 |
|
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float advanceAt(int index) const |
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{ |
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118 |
#if PLATFORM(CG) |
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return m_advances[index].width; |
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#elif PLATFORM(CAIRO) || PLATFORM(QT) |
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return m_advances[index].width(); |
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#elif PLATFORM(SYMBIAN) |
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return -1; // make the compiler happy |
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#endif |
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} |
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126 |
|
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FloatSize offsetAt(int index) const |
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{ |
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#if PLATFORM(WIN) |
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return m_offsets[index]; |
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#else |
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return FloatSize(); |
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#endif |
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} |
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|
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void add(Glyph glyph, const FontData* font, float width, const FloatSize* offset = 0) |
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{ |
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m_fontData.append(font); |
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#if PLATFORM(CG) |
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m_glyphs.append(glyph); |
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CGSize advance; |
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advance.width = width; |
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advance.height = 0; |
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m_advances.append(advance); |
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#elif PLATFORM(CAIRO) |
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cairo_glyph_t cairoGlyph; |
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cairoGlyph.index = glyph; |
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m_glyphs.append(cairoGlyph); |
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m_advances.append(FloatSize(width, 0)); |
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#elif PLATFORM(QT) |
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m_glyphs.append(glyph); |
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m_advances.append(FloatSize(width, 0)); |
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#endif |
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#if PLATFORM(WIN) |
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if (offset) |
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m_offsets.append(*offset); |
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else |
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m_offsets.append(FloatSize()); |
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#endif |
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} |
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|
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private: |
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Vector<const FontData*, 2048> m_fontData; |
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Vector<GlyphBufferGlyph, 2048> m_glyphs; |
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Vector<GlyphBufferAdvance, 2048> m_advances; |
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#if PLATFORM(WIN) |
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Vector<FloatSize, 2048> m_offsets; |
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#endif |
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}; |
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|
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} |
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#endif |