| /* |
| * Copyright (C) 2007 Apple Computer, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "FontCustomPlatformData.h" |
| |
| #include <ApplicationServices/ApplicationServices.h> |
| #include "SharedBuffer.h" |
| #include "FontPlatformData.h" |
| |
| namespace WebCore { |
| |
| FontCustomPlatformData::~FontCustomPlatformData() |
| { |
| ATSFontDeactivate(m_atsContainer, NULL, kATSOptionFlagsDefault); |
| CGFontRelease(m_cgFont); |
| } |
| |
| FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic) |
| { |
| return FontPlatformData(m_cgFont, (ATSUFontID)m_atsFont, size, bold, italic); |
| } |
| |
| FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer) |
| { |
| ASSERT_ARG(buffer, buffer); |
| |
| // Use ATS to activate the font. |
| ATSFontContainerRef containerRef = 0; |
| |
| // The value "3" means that the font is private and can't be seen by anyone else. |
| ATSFontActivateFromMemory((void*)buffer->data(), buffer->size(), 3, kATSFontFormatUnspecified, NULL, kATSOptionFlagsDefault, &containerRef); |
| if (!containerRef) |
| return 0; |
| ItemCount fontCount; |
| ATSFontFindFromContainer(containerRef, kATSOptionFlagsDefault, 0, NULL, &fontCount); |
| |
| // We just support the first font in the list. |
| if (fontCount == 0) { |
| ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault); |
| return 0; |
| } |
| |
| ATSFontRef fontRef = 0; |
| ATSFontFindFromContainer(containerRef, kATSOptionFlagsDefault, 1, &fontRef, NULL); |
| if (!fontRef) { |
| ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault); |
| return 0; |
| } |
| |
| CGFontRef cgFontRef = CGFontCreateWithPlatformFont(&fontRef); |
| #ifndef BUILDING_ON_TIGER |
| // Workaround for <rdar://problem/5675504>. |
| if (!CGFontGetNumberOfGlyphs(cgFontRef)) { |
| CFRelease(cgFontRef); |
| cgFontRef = 0; |
| } |
| #endif |
| if (!cgFontRef) { |
| ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault); |
| return 0; |
| } |
| |
| return new FontCustomPlatformData(containerRef, fontRef, cgFontRef); |
| } |
| |
| } |