1/* 2 * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21#include "config.h" 22#include "FontCustomPlatformData.h" 23 24#include "FontPlatformData.h" 25#include "OpenTypeSanitizer.h" 26#include "SharedBuffer.h" 27#include "WOFFFileFormat.h" 28#include <ApplicationServices/ApplicationServices.h> 29 30namespace WebCore { 31 32FontCustomPlatformData::~FontCustomPlatformData() 33{ 34 CGFontRelease(m_cgFont); 35} 36 37FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontOrientation orientation, FontWidthVariant widthVariant, FontRenderingMode) 38{ 39 return FontPlatformData(m_cgFont, size, bold, italic, orientation, widthVariant); 40} 41 42FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer) 43{ 44 ASSERT_ARG(buffer, buffer); 45 46#if USE(OPENTYPE_SANITIZER) 47 OpenTypeSanitizer sanitizer(buffer); 48 RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize(); 49 if (!transcodeBuffer) 50 return 0; // validation failed. 51 buffer = transcodeBuffer.get(); 52#else 53 RefPtr<SharedBuffer> sfntBuffer; 54 if (isWOFF(buffer)) { 55 Vector<char> sfnt; 56 if (!convertWOFFToSfnt(buffer, sfnt)) 57 return 0; 58 59 sfntBuffer = SharedBuffer::adoptVector(sfnt); 60 buffer = sfntBuffer.get(); 61 } 62#endif 63 64 ATSFontContainerRef containerRef = 0; 65 66 RetainPtr<CFDataRef> bufferData = adoptCF(buffer->createCFData()); 67 RetainPtr<CGDataProviderRef> dataProvider = adoptCF(CGDataProviderCreateWithCFData(bufferData.get())); 68 69 RetainPtr<CGFontRef> cgFontRef = adoptCF(CGFontCreateWithDataProvider(dataProvider.get())); 70 if (!cgFontRef) 71 return 0; 72 73 FontCustomPlatformData* fontCustomPlatformData = new FontCustomPlatformData(containerRef, cgFontRef.leakRef()); 74 return fontCustomPlatformData; 75} 76 77bool FontCustomPlatformData::supportsFormat(const String& format) 78{ 79 return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || equalIgnoringCase(format, "woff"); 80} 81 82} 83