| /* |
| * Copyright (C) 2007 Apple Computer, Inc. |
| * Copyright (c) 2007, 2008, 2009, Google Inc. All rights reserved. |
| * Copyright (C) 2010 Company 100, Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 "platform/fonts/FontCustomPlatformData.h" |
| |
| #include "platform/LayoutTestSupport.h" |
| #include "platform/SharedBuffer.h" |
| #include "platform/fonts/FontCache.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" |
| |
| namespace blink { |
| |
| FontCustomPlatformData::FontCustomPlatformData(PassRefPtr<SkTypeface> typeface) |
| : m_typeface(typeface) |
| { |
| } |
| |
| FontCustomPlatformData::~FontCustomPlatformData() |
| { |
| } |
| |
| FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold, bool italic, FontOrientation orientation, FontWidthVariant) |
| { |
| ASSERT(m_typeface); |
| #if OS(WIN) |
| if (!FontCache::useDirectWrite()) { |
| // FIXME: Skia currently renders synthetic bold and italics with |
| // hinting and without linear metrics on the windows GDI backend |
| // while the DirectWrite backend does the right thing. Using |
| // CreateFromName and specifying the bold/italics style allows |
| // for proper rendering of synthetic style. Once Skia has been |
| // updated this workaround will no longer be needed. |
| // http://crbug.com/332958 |
| bool syntheticBold = bold && !m_typeface->isBold(); |
| bool syntheticItalic = italic && !m_typeface->isItalic(); |
| if (syntheticBold || syntheticItalic) { |
| SkString name; |
| m_typeface->getFamilyName(&name); |
| |
| int style = SkTypeface::kNormal; |
| if (syntheticBold) |
| style |= SkTypeface::kBold; |
| if (syntheticItalic) |
| style |= SkTypeface::kItalic; |
| |
| RefPtr<SkTypeface> typeface = adoptRef(FontCache::fontCache()->fontManager()->legacyCreateTypeface(name.c_str(), static_cast<SkTypeface::Style>(style))); |
| syntheticBold = false; |
| syntheticItalic = false; |
| return FontPlatformData(typeface.release(), "", size, syntheticBold, syntheticItalic, orientation); |
| } |
| } |
| #endif |
| return FontPlatformData(m_typeface.get(), "", size, bold && !m_typeface->isBold(), italic && !m_typeface->isItalic(), orientation); |
| } |
| |
| 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(); |
| |
| RefPtr<SkMemoryStream> stream = adoptRef(new SkMemoryStream(buffer->getAsSkData().get())); |
| #if OS(WIN) |
| RefPtr<SkTypeface> typeface = adoptRef(FontCache::fontCache()->fontManager()->createFromStream(stream.get())); |
| #else |
| RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromStream(stream.get())); |
| #endif |
| if (!typeface) |
| return nullptr; |
| |
| return adoptPtr(new FontCustomPlatformData(typeface.release())); |
| } |
| |
| bool FontCustomPlatformData::supportsFormat(const String& format) |
| { |
| return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || OpenTypeSanitizer::supportsFormat(format); |
| } |
| |
| } // namespace blink |