/* * Copyright (C) 2006 Apple Computer, Inc. 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. * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE 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 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. */ #include "config.h" #include "GlyphMap.h" #include "FontData.h" #include "WebCoreSystemInterface.h" namespace WebCore { bool GlyphMap::fillPage(GlyphPage* page, UChar* buffer, unsigned bufferLength, const FontData* fontData) { CGGlyph glyphs[cGlyphPageSize * 2]; // We pass in either 256 or 512 UTF-16 characters // 256 for U+FFFF and less // 512 (double character surrogates) for U+1000 and above // It is indeed possible to get back 512 glyphs back from the API, so the glyph buffer we pass in must be 512 // If we get back more than 256 glyphs though we'll ignore all the ones after 256, this should not happen // as the only time we pass in 512 characters is when they are surrogates. GSFontGetGlyphsForUnichars(fontData->platformData().font, buffer, glyphs, bufferLength); // Loop through at most 256 glyphs for (unsigned i= 0; i < cGlyphPageSize; i++) page->setGlyphDataForIndex(i, glyphs[i], fontData); return true; } }