axmol/cocos2dx/label_nodes/CCLabelTTF.h

/****************************************************************************
Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2008-2010 Ricardo Quesada

http://www.cocos2d-x.org

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#ifndef __CCLABELTTF_H__
#define __CCLABELTTF_H__

#include "CCSprite.h"
#include "CCTexture2D.h"

NS_CC_BEGIN

/** @brief CCLabelTTF is a subclass of CCTextureNode that knows how to render text labels
*
* All features from CCTextureNode are valid in CCLabelTTF
*
* CCLabelTTF objects are slow. Consider using CCLabelAtlas or CCLabelBMFont instead.
*/
class CC_DLL CCLabelTTF : public CCSprite, public CCLabelProtocol
{
public:
    CCLabelTTF();
    virtual ~CCLabelTTF();
    const char* description();    
    
    /** creates a CCLabelTTF with a font name and font size in points
    @warning: This interface will be deprecated in future.
    */
    static CCLabelTTF * labelWithString(const char *string, const char *fontName, float fontSize);
    
    /** creates a CCLabelTTF from a fontname, horizontal alignment, dimension in points,  and font size in points.
     @warning: This interface will be deprecated in future.
     @since v1.0
     */
    static CCLabelTTF * labelWithString(const char *string, const CCSize& dimensions, CCTextAlignment hAlignment, 
                                        const char *fontName, float fontSize);
    
    /** creates a CCLabel from a fontname, alignment, dimension in points and font size in points
    @warning: This interface will be deprecated in future.
    */
    static CCLabelTTF * labelWithString(const char *string, const CCSize& dimensions, CCTextAlignment hAlignment, 
                                        CCVerticalTextAlignment vAlignment, const char *fontName, float fontSize);
    
    /** creates a CCLabelTTF with a font name and font size in points*/
    static CCLabelTTF * create(const char *string, const char *fontName, float fontSize);
    
    /** creates a CCLabelTTF from a fontname, horizontal alignment, dimension in points,  and font size in points.
     @since v1.0
     */
    static CCLabelTTF * create(const char *string, const CCSize& dimensions, CCTextAlignment hAlignment, 
                                        const char *fontName, float fontSize);
    
    /** creates a CCLabel from a fontname, alignment, dimension in points and font size in points*/
    static CCLabelTTF * create(const char *string, const CCSize& dimensions, CCTextAlignment hAlignment, 
                                        CCVerticalTextAlignment vAlignment, const char *fontName, float fontSize);

    /** initializes the CCLabelTTF with a font name, alignment, dimension and font size */
    bool initWithString(const char *string, const CCSize& dimensions, CCTextAlignment hAlignment, const char *fontName, float fontSize);
    
    /** initializes the CCLabelTTF with a font name, alignment, dimension and font size */
    bool initWithString(const char *string, const CCSize& dimensions, CCTextAlignment hAlignment, 
                        CCVerticalTextAlignment vAlignment, const char *fontName, float fontSize);
    
    /** initializes the CCLabelTTF with a font name and font size */
    bool initWithString(const char *string, const char *fontName, float fontSize);
    
    /** initializes the CCLabelTTF */
    bool init();
    /** Creates an label.
     */
    static CCLabelTTF * node();

    /** changes the string to render
    * @warning Changing the string is as expensive as creating a new CCLabelTTF. To obtain better performance use CCLabelAtlas
    */
    virtual void setString(const char *label);
    virtual const char* getString(void);
    
    CCTextAlignment getHorizontalAlignment();
    void setHorizontalAlignment(CCTextAlignment alignment);
    
    CCVerticalTextAlignment getVerticalAlignment();
    void setVerticalAlignment(CCVerticalTextAlignment verticalAlignment);
    
    CCSize getDimensions();
    void setDimensions(CCSize &dim);
    
    float getFontSize();
    void setFontSize(float fontSize);
    
    const char* getFontName();
    void setFontName(const char *fontName);

private:
    void updateTexture();
protected:
    /** Dimensions of the label in Points */
    CCSize m_tDimensions;
    /** The alignment of the label */
    CCTextAlignment         m_hAlignment;
    /** The vertical alignment of the label */
    CCVerticalTextAlignment m_vAlignment;
    /** Font name used in the label */
    std::string * m_pFontName;
    /** Font size of the label */
    float m_fFontSize;
    
    std::string m_string;
};

NS_CC_END

#endif //__CCLABEL_H__