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63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* Copyright (C) 2013 Google, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SKY_ENGINE_PLATFORM_FONTS_CUSTOMFONTDATA_H_
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#define SKY_ENGINE_PLATFORM_FONTS_CUSTOMFONTDATA_H_
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#include <unicode/uchar.h>
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#include "sky/engine/platform/PlatformExport.h"
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#include "sky/engine/platform/fonts/Glyph.h"
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#include "sky/engine/wtf/PassRefPtr.h"
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#include "sky/engine/wtf/RefCounted.h"
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namespace blink {
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struct GlyphData;
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class GlyphPage;
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class SimpleFontData;
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struct WidthIterator;
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class PLATFORM_EXPORT CustomFontData : public RefCounted<CustomFontData> {
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public:
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static PassRefPtr<CustomFontData> create() { return adoptRef(new CustomFontData()); }
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virtual ~CustomFontData() { }
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virtual void beginLoadIfNeeded() const { };
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virtual bool isLoading() const { return false; }
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virtual bool isLoadingFallback() const { return false; }
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virtual bool shouldSkipDrawing() const { return false; }
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virtual void clearFontFaceSource() { }
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virtual bool isSVGFont() const { return false; }
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virtual void initializeFontData(SimpleFontData*, float) { }
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protected:
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CustomFontData() { }
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};
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#define DEFINE_CUSTOM_FONT_DATA_TYPE_CASTS(thisType, predicate) \
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template<typename T> inline thisType* to##thisType(const RefPtr<T>& customFontData) { return to##thisType(customFontData.get()); } \
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DEFINE_TYPE_CASTS(thisType, CustomFontData, customFontData, customFontData->predicate, customFontData.predicate)
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} // namespace blink
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#endif // SKY_ENGINE_PLATFORM_FONTS_CUSTOMFONTDATA_H_
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