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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#include "config.h" |
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#include "GlyphWidthMap.h" |
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|
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namespace WebCore |
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{ |
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|
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float GlyphWidthMap::widthForGlyph(Glyph g) |
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{ |
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unsigned pageNumber = (g / GlyphWidthPage::size); |
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GlyphWidthPage* page = locatePage(pageNumber); |
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if (page) |
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return page->widthForGlyph(g); |
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return cGlyphWidthUnknown; |
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} |
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|
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void GlyphWidthMap::setWidthForGlyph(Glyph glyph, float width) |
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{ |
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unsigned pageNumber = (glyph / GlyphWidthPage::size); |
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GlyphWidthPage* page = locatePage(pageNumber); |
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if (page) |
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page->setWidthForGlyph(glyph, width); |
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} |
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|
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inline GlyphWidthMap::GlyphWidthPage* GlyphWidthMap::locatePage(unsigned pageNumber) |
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{ |
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GlyphWidthPage* page; |
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if (pageNumber == 0) { |
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if (m_filledPrimaryPage) |
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return &m_primaryPage; |
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page = &m_primaryPage; |
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m_filledPrimaryPage = true; |
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} else { |
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if (m_pages) { |
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GlyphWidthPage* result = m_pages->get(pageNumber); |
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if (result) |
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return result; |
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} |
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page = new GlyphWidthPage; |
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if (!m_pages) |
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m_pages = new HashMap<int, GlyphWidthPage*>; |
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m_pages->set(pageNumber, page); |
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} |
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// Fill in the whole page with the unknown glyph width value. |
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for (unsigned i = 0; i < GlyphWidthPage::size; i++) |
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page->setWidthForIndex(i, cGlyphWidthUnknown); |
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return page; |
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} |
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} |