1 /* 2 * Copyright (C) 2006, 2007 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 "WebCoreSystemInterface.h" 34 #include <ApplicationServices/ApplicationServices.h> 35 36 namespace WebCore { 37 38 bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) 39 { 40 bool haveGlyphs = false; 41 42 #ifndef BUILDING_ON_TIGER 43 Vector<CGGlyph, 512> glyphs(bufferLength); 44 wkGetGlyphsForCharacters(fontData->platformData().cgFont(), buffer, glyphs.data(), bufferLength); 45 46 for (unsigned i = 0; i < length; ++i) { 47 if (!glyphs[i]) 48 setGlyphDataForIndex(offset + i, 0, 0); 49 else { 50 setGlyphDataForIndex(offset + i, glyphs[i], fontData); 51 haveGlyphs = true; 52 } 53 } 54 #else 55 // Use an array of long so we get good enough alignment. 56 long glyphVector[(GLYPH_VECTOR_SIZE + sizeof(long) - 1) / sizeof(long)]; 57 58 OSStatus status = wkInitializeGlyphVector(GlyphPage::size, &glyphVector); 59 if (status != noErr) 60 // This should never happen, perhaps indicates a bad font! If it does the 61 // font substitution code will find an alternate font. 62 return false; 63 64 wkConvertCharToGlyphs(fontData->m_styleGroup, buffer, bufferLength, &glyphVector); 65 66 unsigned numGlyphs = wkGetGlyphVectorNumGlyphs(&glyphVector); 67 if (numGlyphs != length) { 68 // This should never happen, perhaps indicates a bad font? 69 // If it does happen, the font substitution code will find an alternate font. 70 wkClearGlyphVector(&glyphVector); 71 return false; 72 } 73 74 ATSLayoutRecord* glyphRecord = (ATSLayoutRecord*)wkGetGlyphVectorFirstRecord(glyphVector); 75 for (unsigned i = 0; i < length; i++) { 76 Glyph glyph = glyphRecord->glyphID; 77 if (!glyph) 78 setGlyphDataForIndex(offset + i, 0, 0); 79 else { 80 setGlyphDataForIndex(offset + i, glyph, fontData); 81 haveGlyphs = true; 82 } 83 glyphRecord = (ATSLayoutRecord *)((char *)glyphRecord + wkGetGlyphVectorRecordSize(glyphVector)); 84 } 85 wkClearGlyphVector(&glyphVector); 86 #endif 87 88 return haveGlyphs; 89 } 90 91 } // namespace WebCore 92
