| /* |
| * Copyright (C) 2013 Google, Inc. |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef SKY_ENGINE_PLATFORM_FONTS_CUSTOMFONTDATA_H_ |
| #define SKY_ENGINE_PLATFORM_FONTS_CUSTOMFONTDATA_H_ |
| |
| #include <unicode/uchar.h> |
| #include "sky/engine/platform/PlatformExport.h" |
| #include "sky/engine/platform/fonts/Glyph.h" |
| #include "sky/engine/wtf/PassRefPtr.h" |
| #include "sky/engine/wtf/RefCounted.h" |
| |
| namespace blink { |
| |
| struct GlyphData; |
| class GlyphPage; |
| class SimpleFontData; |
| struct WidthIterator; |
| |
| class PLATFORM_EXPORT CustomFontData : public RefCounted<CustomFontData> { |
| public: |
| static PassRefPtr<CustomFontData> create() { return adoptRef(new CustomFontData()); } |
| |
| virtual ~CustomFontData() { } |
| |
| virtual void beginLoadIfNeeded() const { }; |
| virtual bool isLoading() const { return false; } |
| virtual bool isLoadingFallback() const { return false; } |
| virtual bool shouldSkipDrawing() const { return false; } |
| virtual void clearFontFaceSource() { } |
| |
| virtual bool isSVGFont() const { return false; } |
| virtual void initializeFontData(SimpleFontData*, float) { } |
| |
| protected: |
| CustomFontData() { } |
| }; |
| |
| #define DEFINE_CUSTOM_FONT_DATA_TYPE_CASTS(thisType, predicate) \ |
| template<typename T> inline thisType* to##thisType(const RefPtr<T>& customFontData) { return to##thisType(customFontData.get()); } \ |
| DEFINE_TYPE_CASTS(thisType, CustomFontData, customFontData, customFontData->predicate, customFontData.predicate) |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_PLATFORM_FONTS_CUSTOMFONTDATA_H_ |