1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "GlyphPageTreeNode.h" 31 32 #include "SimpleFontData.h" 33 #include <WebKitSystemInterface/WebKitSystemInterface.h> 34 35 namespace WebCore { 36 37 bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) 38 { 39 // bufferLength will be greater than the requested number of glyphs if the buffer contains surrogate pairs. 40 // We won't support this for now. 41 if (bufferLength > length) 42 return false; 43 44 bool haveGlyphs = false; 45 CGGlyph localGlyphBuffer[GlyphPage::size]; 46 wkGetGlyphs(fontData->platformData().cgFont(), buffer, localGlyphBuffer, bufferLength); 47 for (unsigned i = 0; i < length; i++) { 48 Glyph glyph = localGlyphBuffer[i]; 49 if (!glyph) 50 setGlyphDataForIndex(offset + i, 0, 0); 51 else { 52 setGlyphDataForIndex(offset + i, glyph, fontData); 53 haveGlyphs = true; 54 } 55 } 56 return haveGlyphs; 57 } 58 59 } 60
