/* * Copyright (C) 2006 George Staikos <staikos@kde.org> * Copyright (C) 2006 Dirk Mueller <mueller@kde.org> * Copyright (C) 2006 Zack Rusin <zack@kde.org> * Copyright (C) 2007 Ryan Leavengood <leavengood@gmail.com> * * All rights reserved. * * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR * 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. */ #include "config.h" #include "GlyphPageTreeNode.h" #include "SimpleFontData.h" #include <wtf/Assertions.h> #include <wtf/unicode/Unicode.h> namespace WebCore { bool GlyphPage::fill(unsigned offset, unsigned length, UChar* characterBuffer, unsigned bufferLength, const SimpleFontData* fontData) { bool isUtf16 = bufferLength != GlyphPage::size; bool haveGlyphs = false; for (unsigned i = 0; i < GlyphPage::size; i++) { UChar32 character; if (isUtf16) { UChar lead = characterBuffer[i * 2]; UChar trail = characterBuffer[i * 2 + 1]; character = U16_GET_SUPPLEMENTARY(lead, trail); } else character = characterBuffer[i]; if (!character) setGlyphDataForIndex(offset + i, 0, 0); else { haveGlyphs = true; setGlyphDataForIndex(offset + i, character, fontData); } } return haveGlyphs; } } // namespace WebCore