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| 1 /* | |
| 2 * Copyright (C) 2007 Apple Computer, Inc. | |
| 3 * Copyright (c) 2007, 2008, 2009, Google Inc. All rights reserved. | |
| 4 * Copyright (C) 2010 Company 100, Inc. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are | |
| 8 * met: | |
| 9 * | |
| 10 * * Redistributions of source code must retain the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer. | |
| 12 * * Redistributions in binary form must reproduce the above | |
| 13 * copyright notice, this list of conditions and the following disclaimer | |
| 14 * in the documentation and/or other materials provided with the | |
| 15 * distribution. | |
| 16 * * Neither the name of Google Inc. nor the names of its | |
| 17 * contributors may be used to endorse or promote products derived from | |
| 18 * this software without specific prior written permission. | |
| 19 * | |
| 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 */ | |
| 32 | |
| 33 #include "config.h" | |
| 34 #include "platform/fonts/FontCustomPlatformData.h" | |
| 35 | |
| 36 #include "platform/LayoutTestSupport.h" | |
| 37 #include "platform/SharedBuffer.h" | |
| 38 #include "platform/fonts/FontCache.h" | |
| 39 #include "platform/fonts/FontPlatformData.h" | |
| 40 #include "platform/fonts/opentype/OpenTypeSanitizer.h" | |
| 41 #include "third_party/skia/include/core/SkStream.h" | |
| 42 #include "third_party/skia/include/core/SkTypeface.h" | |
| 43 #include "wtf/PassOwnPtr.h" | |
| 44 | |
| 45 namespace blink { | |
| 46 | |
| 47 FontCustomPlatformData::FontCustomPlatformData(PassRefPtr<SkTypeface> typeface) | |
| 48 : m_typeface(typeface) { }; | |
| 49 | |
| 50 FontCustomPlatformData::~FontCustomPlatformData() | |
| 51 { | |
| 52 } | |
| 53 | |
| 54 FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold,
bool italic, FontOrientation orientation) | |
| 55 { | |
| 56 ASSERT(m_typeface); | |
| 57 #if OS(WIN) | |
| 58 if (!FontCache::useDirectWrite()) { | |
| 59 // FIXME: Skia currently renders synthetic bold and italics with | |
| 60 // hinting and without linear metrics on the windows GDI backend | |
| 61 // while the DirectWrite backend does the right thing. Using | |
| 62 // CreateFromName and specifying the bold/italics style allows | |
| 63 // for proper rendering of synthetic style. Once Skia has been | |
| 64 // updated this workaround will no longer be needed. | |
| 65 // http://crbug.com/332958 | |
| 66 bool syntheticBold = bold && !m_typeface->isBold(); | |
| 67 bool syntheticItalic = italic && !m_typeface->isItalic(); | |
| 68 if (syntheticBold || syntheticItalic) { | |
| 69 SkString name; | |
| 70 m_typeface->getFamilyName(&name); | |
| 71 | |
| 72 int style = SkTypeface::kNormal; | |
| 73 if (syntheticBold) | |
| 74 style |= SkTypeface::kBold; | |
| 75 if (syntheticItalic) | |
| 76 style |= SkTypeface::kItalic; | |
| 77 | |
| 78 RefPtr<SkTypeface> typeface = adoptRef(FontCache::fontCache()->fontM
anager()->legacyCreateTypeface(name.c_str(), static_cast<SkTypeface::Style>(styl
e))); | |
| 79 syntheticBold = false; | |
| 80 syntheticItalic = false; | |
| 81 return FontPlatformData(typeface.release(), "", size, syntheticBold,
syntheticItalic, orientation); | |
| 82 } | |
| 83 } | |
| 84 #endif | |
| 85 return FontPlatformData(m_typeface.get(), "", size, bold && !m_typeface->isB
old(), italic && !m_typeface->isItalic(), orientation); | |
| 86 } | |
| 87 | |
| 88 PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer*
buffer) | |
| 89 { | |
| 90 ASSERT_ARG(buffer, buffer); | |
| 91 | |
| 92 OpenTypeSanitizer sanitizer(buffer); | |
| 93 RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize(); | |
| 94 if (!transcodeBuffer) | |
| 95 return nullptr; // validation failed. | |
| 96 buffer = transcodeBuffer.get(); | |
| 97 | |
| 98 SkMemoryStream* stream = new SkMemoryStream(buffer->getAsSkData().get()); | |
| 99 #if OS(WIN) | |
| 100 RefPtr<SkTypeface> typeface = adoptRef(FontCache::fontCache()->fontManager()
->createFromStream(stream)); | |
| 101 #else | |
| 102 RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromStream(stream))
; | |
| 103 #endif | |
| 104 if (!typeface) | |
| 105 return nullptr; | |
| 106 | |
| 107 return adoptPtr(new FontCustomPlatformData(typeface.release())); | |
| 108 } | |
| 109 | |
| 110 bool FontCustomPlatformData::supportsFormat(const String& format) | |
| 111 { | |
| 112 return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "o
pentype") || OpenTypeSanitizer::supportsFormat(format); | |
| 113 } | |
| 114 | |
| 115 } // namespace blink | |
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Chromium Code Reviews
Issue 1021483004:
Revert of Remove Mac native font type members from FontPlatformData (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master