/* * 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 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 "GlyphPage.h" #include "Font.h" #include "FontCascade.h" #include <pal/spi/cg/CoreGraphicsSPI.h> #include <pal/spi/cocoa/CoreTextSPI.h> #if !PLATFORM(IOS) #include <ApplicationServices/ApplicationServices.h> #endif namespace WebCore { static bool shouldFillWithVerticalGlyphs(const UChar* buffer, unsigned bufferLength, const Font& font) { if (!font.hasVerticalGlyphs()) return false; for (unsigned i = 0; i < bufferLength; ++i) { if (!FontCascade::isCJKIdeograph(buffer[i])) return true; } return false; } bool GlyphPage::fill(UChar* buffer, unsigned bufferLength) { ASSERT(bufferLength == GlyphPage::size || bufferLength == 2 * GlyphPage::size); const Font& font = this->font(); Vector<CGGlyph, 512> glyphs(bufferLength); unsigned glyphStep = bufferLength / GlyphPage::size; if (shouldFillWithVerticalGlyphs(buffer, bufferLength, font)) CTFontGetVerticalGlyphsForCharacters(font.platformData().ctFont(), buffer, glyphs.data(), bufferLength); else CTFontGetGlyphsForCharacters(font.platformData().ctFont(), buffer, glyphs.data(), bufferLength); bool haveGlyphs = false; for (unsigned i = 0; i < GlyphPage::size; ++i) { if (glyphs[i * glyphStep]) { setGlyphForIndex(i, glyphs[i * glyphStep]); haveGlyphs = true; } } return haveGlyphs; } } // namespace WebCore