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66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
/*
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* Copyright (C) 2007, 2008, 2010, 2011 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/core/css/CSSFontFaceSource.h"
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#include "sky/engine/core/css/CSSFontFace.h"
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#include "sky/engine/platform/fonts/FontCacheKey.h"
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#include "sky/engine/platform/fonts/FontDescription.h"
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#include "sky/engine/platform/fonts/FontFaceCreationParams.h"
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#include "sky/engine/platform/fonts/SimpleFontData.h"
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namespace blink {
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CSSFontFaceSource::CSSFontFaceSource()
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: m_face(nullptr)
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{
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}
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CSSFontFaceSource::~CSSFontFaceSource()
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{
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}
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PassRefPtr<SimpleFontData> CSSFontFaceSource::getFontData(const FontDescription& fontDescription)
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{
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// If the font hasn't loaded or an error occurred, then we've got nothing.
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if (!isValid())
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return nullptr;
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if (isLocal()) {
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// We're local. Just return a SimpleFontData from the normal cache.
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return createFontData(fontDescription);
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}
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// See if we have a mapping in our FontData cache.
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FontCacheKey key = fontDescription.cacheKey(FontFaceCreationParams());
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RefPtr<SimpleFontData>& fontData = m_fontDataTable.add(key.hash(), nullptr).storedValue->value;
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if (!fontData)
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fontData = createFontData(fontDescription);
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return fontData; // No release, because fontData is a reference to a RefPtr that is held in the m_fontDataTable.
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}
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}
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