axmol/cocos/gui/UILabel.h

/****************************************************************************
 Copyright (c) 2013 cocos2d-x.org
 
 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
 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
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 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,
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 THE SOFTWARE.
 ****************************************************************************/

#ifndef __UILABEL_H__
#define __UILABEL_H__

#include "gui/UIWidget.h"

NS_CC_BEGIN

namespace gui {

/**
*   @js NA
*   @lua NA
*/
class Label : public Widget
{
public:
    /**
     * Default constructor
     */
    Label();
    
    /**
     * Default destructor
     */
    virtual ~Label();
    
    /**
     * Allocates and initializes.
     */
    static Label* create();
    
    /**
     * Changes the string value of label.
     *
     * @param text  string value.
     */
    void setText(const std::string& text);
    
    /**
     * Gets the string value of label.
     *
     * @return text  string value.
     */
    const std::string& getStringValue();
    
    /**
     * Gets the string length of label.
     *
     * @return  string length.
     */
    size_t getStringLength();
    
    /**
     * Sets the font size of label.
     *
     * @param  font size.
     */
    void setFontSize(int size);
    
    /**
     * Sets the font name of label.
     *
     * @param  font name.
     */
    void setFontName(const std::string& name);
    
    /**
     * Sets the touch scale enabled of label.
     *
     * @param  touch scale enabled of label.
     */
    void setTouchScaleChangeEnabled(bool enabled);
    
    /**
     * Gets the touch scale enabled of label.
     *
     * @return  touch scale enabled of label.
     */
    bool isTouchScaleChangeEnabled();
    
    /**
     * Changes both X and Y scale factor of the widget.
     *
     * 1.0 is the default scale factor. It modifies the X and Y scale at the same time.
     *
     * @param scale     The scale factor for both X and Y axis.
     */
    virtual void setScale(float fScale) override;
    
    /**
     * Changes the scale factor on X axis of this widget
     *
     * The deafult value is 1.0 if you haven't changed it before
     *
     * @param fScaleX   The scale factor on X axis.
     */
    virtual void setScaleX(float fScaleX) override;
    
    /**
     * Changes the scale factor on Y axis of this widget
     *
     * The Default value is 1.0 if you haven't changed it before.
     *
     * @param fScaleY   The scale factor on Y axis.
     */
    virtual void setScaleY(float fScaleY) override;
    

    //override "setFlipX" method of widget.
    virtual void setFlipX(bool flipX) override;
    
    //override "setFlipY" method of widget.
    virtual void setFlipY(bool flipY) override;
    
    //override "isFlipX" method of widget.
    virtual bool isFlipX() override;
    
    //override "isFlipY" method of widget.
    virtual bool isFlipY() override;
    
    //override "setAnchorPoint" method of widget.
    virtual void setAnchorPoint(const Point &pt) override;
    
    //override "getContentSize" method of widget.
    virtual const Size& getContentSize() const override;
    
    //override "getVirtualRenderer" method of widget.
    virtual Node* getVirtualRenderer() override;
    
    /**
     * Returns the "class name" of widget.
     */
    virtual std::string getDescription() const override;
    
    void setTextAreaSize(const Size &size);
    void setTextHorizontalAlignment(TextHAlignment alignment);
    void setTextVerticalAlignment(TextVAlignment alignment);    
protected:
    virtual bool init() override;
    virtual void initRenderer() override;
    virtual void onPressStateChangedToNormal() override;
    virtual void onPressStateChangedToPressed() override;
    virtual void onPressStateChangedToDisabled() override;
    virtual void onSizeChanged() override;
    void clickScale(float scaleX, float scaleY);
    void labelScaleChangedWithSize();
    virtual Widget* createCloneInstance() override;
    virtual void copySpecialProperties(Widget* model) override;
protected:
    bool _touchScaleChangeEnabled;
    float _normalScaleValueX;
    float _normalScaleValueY;
    std::string _fontName;
    int _fontSize;
    float _onSelectedScaleOffset;
    LabelTTF* _labelRenderer;
};

}

NS_CC_END

#endif /* defined(__CocoGUI__Label__) */