| /* |
| * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. |
| * |
| * 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 "platform/fonts/FontCustomPlatformData.h" |
| |
| #include "platform/SharedBuffer.h" |
| #include "platform/fonts/FontPlatformData.h" |
| #include "platform/fonts/opentype/OpenTypeSanitizer.h" |
| #include "third_party/skia/include/core/SkStream.h" |
| #include "third_party/skia/include/core/SkTypeface.h" |
| #include "wtf/PassOwnPtr.h" |
| |
| #include <ApplicationServices/ApplicationServices.h> |
| |
| namespace blink { |
| |
| FontCustomPlatformData::FontCustomPlatformData(CGFontRef cgFont, PassRefPtr<SkTypeface> typeface) |
| : m_cgFont(AdoptCF, cgFont) |
| , m_typeface(typeface) |
| { |
| } |
| |
| FontCustomPlatformData::~FontCustomPlatformData() |
| { |
| } |
| |
| FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold, bool italic, FontOrientation orientation, FontWidthVariant widthVariant) |
| { |
| return FontPlatformData(m_cgFont.get(), size, bold, italic, orientation, widthVariant); |
| } |
| |
| PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer) |
| { |
| ASSERT_ARG(buffer, buffer); |
| |
| OpenTypeSanitizer sanitizer(buffer); |
| RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize(); |
| if (!transcodeBuffer) |
| return nullptr; // validation failed. |
| buffer = transcodeBuffer.get(); |
| |
| RetainPtr<CFDataRef> bufferData(AdoptCF, CFDataCreate(0, reinterpret_cast<const UInt8*>(buffer->data()), buffer->size())); |
| RetainPtr<CGDataProviderRef> dataProvider(AdoptCF, CGDataProviderCreateWithCFData(bufferData.get())); |
| RetainPtr<CGFontRef> cgFontRef(AdoptCF, CGFontCreateWithDataProvider(dataProvider.get())); |
| if (!cgFontRef) |
| return nullptr; |
| |
| // It's unclear whether this is used. It seems like it has the effect of priming the cache. |
| // Since we store this anyways, it might be worthwhile just plumbing this to FontMac.cpp in |
| // a more obvious way. |
| // FIXME: Remove this, add an explicit use, or add a comment explaining why this exists. |
| RefPtr<SkMemoryStream> stream = adoptRef(new SkMemoryStream(buffer->getAsSkData().get())); |
| RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromStream(stream.get())); |
| if (!typeface) |
| return nullptr; |
| |
| return adoptPtr(new FontCustomPlatformData(cgFontRef.leakRef(), typeface.release())); |
| } |
| |
| bool FontCustomPlatformData::supportsFormat(const String& format) |
| { |
| return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || OpenTypeSanitizer::supportsFormat(format); |
| } |
| |
| } // namespace blink |