ios_project/proj.ios_mac/cocos2d-x/cocos/2d/CCTTFLabelRenderer.h

/****************************************************************************
Copyright (c) 2020 Xiamen Yaji Software Co., Ltd.

http://www.cocos.com

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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The above copyright notice and this permission notice shall be included in
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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THE SOFTWARE.
****************************************************************************/
#pragma once


#include "base/ccMacros.h"
#include "2d/CCTTFTypes.h"
#include "base/ccConfig.h"
#include <memory>

#if CC_ENABLE_TTF_LABEL_RENDERER

namespace se {
    class Object;
}

namespace cocos2d {

    namespace renderer {
        class Texture2D;
        class Effect;
        class EffectVariant;
        class NodeProxy;
    }
    class LabelLayout;

    class LabelRenderer : public cocos2d::Ref {

    private:
        enum UpdateFlags {
            UPDATE_CONTENT = 1 << 0,
            UPDATE_FONT = 1 << 1,
            UPDATE_EFFECT = 1 << 2
        };

        
    public:

        struct LabelRendererConfig {
            uint32_t updateFlags = 0xFFFFFFFF;
            float fontSize = 20.0f;
            float fontSizeRetina = 0.0f;
        };
        
        LabelRenderer();

        virtual ~LabelRenderer();

        void bindNodeProxy(cocos2d::renderer::NodeProxy* node);

        void setEffect(cocos2d::renderer::EffectVariant* effect);

        void render();
 
        void bindSharedBlock(se::Object *selfObj, void *cfg, void *layout);
        
    private:

        void genStringLayout();

        void renderIfChange();
        void doRender();

        std::string getString();
        std::string getFontPath();
        
        std::unique_ptr<LabelLayout> _stringLayout;
        se::Object *_selfObj = nullptr;
        //export arraybuffer to js
        LabelRendererConfig *_cfg =  nullptr;
        LabelLayoutInfo *_layoutInfo = nullptr;

        cocos2d::renderer::NodeProxy* _nodeProxy = nullptr;
        cocos2d::renderer::EffectVariant * _effect = nullptr;

    };
}

#endif