diff options
Diffstat (limited to 'WebCore/platform/graphics/mac/GlyphPageTreeNodeMac.cpp')
-rw-r--r-- | WebCore/platform/graphics/mac/GlyphPageTreeNodeMac.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/mac/GlyphPageTreeNodeMac.cpp b/WebCore/platform/graphics/mac/GlyphPageTreeNodeMac.cpp new file mode 100644 index 0000000..143e665 --- /dev/null +++ b/WebCore/platform/graphics/mac/GlyphPageTreeNodeMac.cpp @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2006, 2007 Apple 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 "GlyphPageTreeNode.h" + +#include "SimpleFontData.h" +#include "WebCoreSystemInterface.h" +#include <ApplicationServices/ApplicationServices.h> + +namespace WebCore { + +bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) +{ + bool haveGlyphs = false; + +#ifndef BUILDING_ON_TIGER + Vector<CGGlyph, 512> glyphs(bufferLength); + wkGetGlyphsForCharacters(fontData->platformData().cgFont(), buffer, glyphs.data(), bufferLength); + + for (unsigned i = 0; i < length; ++i) { + if (!glyphs[i]) + setGlyphDataForIndex(offset + i, 0, 0); + else { + setGlyphDataForIndex(offset + i, glyphs[i], fontData); + haveGlyphs = true; + } + } +#else + // Use an array of long so we get good enough alignment. + long glyphVector[(GLYPH_VECTOR_SIZE + sizeof(long) - 1) / sizeof(long)]; + + OSStatus status = wkInitializeGlyphVector(GlyphPage::size, &glyphVector); + if (status != noErr) + // This should never happen, perhaps indicates a bad font! If it does the + // font substitution code will find an alternate font. + return false; + + wkConvertCharToGlyphs(fontData->m_styleGroup, buffer, bufferLength, &glyphVector); + + unsigned numGlyphs = wkGetGlyphVectorNumGlyphs(&glyphVector); + if (numGlyphs != length) { + // This should never happen, perhaps indicates a bad font? + // If it does happen, the font substitution code will find an alternate font. + wkClearGlyphVector(&glyphVector); + return false; + } + + ATSLayoutRecord* glyphRecord = (ATSLayoutRecord*)wkGetGlyphVectorFirstRecord(glyphVector); + for (unsigned i = 0; i < length; i++) { + Glyph glyph = glyphRecord->glyphID; + if (!glyph) + setGlyphDataForIndex(offset + i, 0, 0); + else { + setGlyphDataForIndex(offset + i, glyph, fontData); + haveGlyphs = true; + } + glyphRecord = (ATSLayoutRecord *)((char *)glyphRecord + wkGetGlyphVectorRecordSize(glyphVector)); + } + wkClearGlyphVector(&glyphVector); +#endif + + return haveGlyphs; +} + +} // namespace WebCore |