初始化

cocos2d-x/cocos/2d/CCTTFLabelRenderer.h

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+/****************************************************************************
+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
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+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);
+        
+        void setJsComponent(se::Object *component);
+        
+        se::Object *getJsComponent() const {return _componentObj;}
+        
+    private:
+
+        void genStringLayout();
+
+        void renderIfChange();
+        void doRender();
+
+        std::string getString();
+        std::string getFontPath();
+        
+        std::unique_ptr<LabelLayout> _stringLayout;
+        se::Object *_selfObj = nullptr;
+        se::Object *_componentObj = nullptr;
+        
+        //export arraybuffer to js
+        LabelRendererConfig *_cfg =  nullptr;
+        LabelLayoutInfo *_layoutInfo = nullptr;
+
+        cocos2d::renderer::NodeProxy* _nodeProxy = nullptr;
+        cocos2d::renderer::EffectVariant * _effect = nullptr;
+
+    };
+}
+
+#endif