mirror of
https://github.com/smallmain/cocos-enhance-kit.git
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97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/****************************************************************************
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Copyright (c) 2020 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "2d/CCFontFreetype.h"
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#include "2d/CCFontAtlas.h"
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#include <unordered_map>
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#include <memory>
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#include "base/ccConfig.h"
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#if CC_ENABLE_TTF_LABEL_RENDERER
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#define CC_TTF_LABELATLAS_ENABLE_GC 1
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namespace cocos2d {
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class TTFLabelAtlasCache;
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struct LabelLayoutInfo;
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// font atlas of specific size font
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class TTFLabelAtlas {
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public:
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TTFLabelAtlas(const std::string &, float, LabelLayoutInfo *info);
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inline FontAtlas * getFontAtlas() const { return _fontAtlas.get(); }
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inline FontFreeType * getTTF() const { return _ttfFont.get(); }
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float getFontSize() const { return _fontSize; }
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bool init();
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private:
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std::string _fontName;
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float _fontSize = 0.f;
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//weak reference
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LabelLayoutInfo *_info = nullptr;
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std::shared_ptr<FontAtlas> _fontAtlas;
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std::shared_ptr<FontFreeType> _ttfFont;
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friend class TTFLabelAtlasCache;
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};
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class TTFLabelAtlasCache {
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public:
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static TTFLabelAtlasCache* getInstance();
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static void destroyInstance();
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void reset();
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std::shared_ptr<TTFLabelAtlas> load(const std::string &font, float fontSize, LabelLayoutInfo* info);
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void unload(TTFLabelAtlas *);
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protected:
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std::string cacheKeyFor(const std::string &font, int fontSize, LabelLayoutInfo *info);
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TTFLabelAtlasCache() {}
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private:
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#if CC_TTF_LABELATLAS_ENABLE_GC
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std::unordered_map< std::string, std::weak_ptr< TTFLabelAtlas>> _cache;
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#else
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std::unordered_map< std::string, std::shared_ptr< TTFLabelAtals>> _cache;
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#endif
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};
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}
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#endif
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