axmol/cocos/ui/UITextAtlas.h

/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

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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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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THE SOFTWARE.
****************************************************************************/

#ifndef __UILABELATLAS_H__
#define __UILABELATLAS_H__

#include "ui/UIWidget.h"

NS_CC_BEGIN

class Label;

namespace ui {
    
/**
 *   @js NA
 *   @lua NA
 */
class TextAtlas : public Widget
{
    
    DECLARE_CLASS_GUI_INFO
    
public:
    /**
     * Default constructor
     */
    TextAtlas();
    
    /**
     * Default destructor
     */
    virtual ~TextAtlas();
    
    /**
     * Allocates and initializes.
     */
    static TextAtlas* create();
    
    /**
     * create a LabelAtlas from a char map file
     */
    static TextAtlas* create(const std::string& stringValue,
                             const std::string& charMapFile,
                             int itemWidth,
                             int itemHeight,
                             const std::string& startCharMap);
    
    /** initializes the LabelAtlas with a string, a char map file(the atlas), the width and height of each element and the starting char of the atlas */
    void setProperty(const std::string& stringValue,
                     const std::string& charMapFile,
                     int itemWidth,
                     int itemHeight,
                     const std::string& startCharMap);
    
    //set string value for labelatlas.
    CC_DEPRECATED_ATTRIBUTE void setStringValue(const std::string& value){this->setString(value);}
    void setString(const std::string& value);
    
    //get string value for labelatlas.
    CC_DEPRECATED_ATTRIBUTE const std::string& getStringValue() const{return this->getString();}
    const std::string& getString() const;
    
    /**
     * Gets the string length of the label.
     * Note: This length will be larger than the raw string length,
     * if you want to get the raw string length, you should call this->getString().size() instead
     *
     * @return  string length.
     */
    ssize_t getStringLength()const;
    
    //override "getVirtualRendererSize" method of widget.
    virtual const Size& getVirtualRendererSize() const override;
    
    //override "getVirtualRenderer" method of widget.
    virtual Node* getVirtualRenderer() override;
    
    /**
     * Returns the "class name" of widget.
     */
    virtual std::string getDescription() const override;
    
    virtual void adaptRenderers() override;
protected:
    virtual void initRenderer() override;
    virtual void onSizeChanged() override;
    virtual void updateTextureColor() override;
    virtual void updateTextureOpacity() override;
    virtual void updateTextureRGBA() override;
    void labelAtlasScaleChangedWithSize();
    virtual Widget* createCloneInstance() override;
    virtual void copySpecialProperties(Widget* model) override;
protected:
    Label* _labelAtlasRenderer;
    std::string _stringValue;
    std::string _charMapFileName;
    int _itemWidth;
    int _itemHeight;
    std::string _startCharMap;
    bool _labelAtlasRendererAdaptDirty;
};

}
NS_CC_END

#endif /* defined(__CocoGUI__LabelAtlas__) */