axmol/cocos2dx/include/CCLabel.h

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Copyright (c) 2010 cocos2d-x.org

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#ifndef __CCLABEL_H__
#define __CCLABEL_H__
#include "CCSprite.h"
#include "CCTexture2D.h"

namespace cocos2d{

	/** CCLabel is a subclass of CCTextureNode that knows how to render text labels
	*
	* All features from CCTextureNode are valid in CCLabel
	*
	* CCLabel objects are slow. Consider using CCLabelAtlas or CCBitmapFontAtlas instead.
	*/
	class CCX_DLL CCLabel : public CCSprite, public CCLabelProtocol
	{
	public:
		CCLabel()
			:m_sFontName("")
		{}
		virtual ~CCLabel(){ m_sFontName.clear(); }
		char * description();
		/** creates a CCLabel from a fontname, alignment, dimension and font size */
		static CCLabel * labelWithString(const char *label, CGSize dimensions, UITextAlignment alignment, const char *fontName, float fontSize);
		/** creates a CCLabel from a fontname and font size */
		static CCLabel * labelWithString(const char *label, const char *fontName, float fontSize);
		/** initializes the CCLabel with a font name, alignment, dimension and font size */
		CCLabel * initWithString(const char *label, CGSize dimensions, UITextAlignment alignment, const char *fontName, float fontSize);
		/** initializes the CCLabel with a font name and font size */
		CCLabel * initWithString(const char *label, const char *fontName, float fontSize);

		/** changes the string to render
		* @warning Changing the string is as expensive as creating a new CCLabel. To obtain better performance use CCLabelAtlas
		*/
		virtual void setString(const char *label);

		virtual CCLabelProtocol* convertToLabelProtocol() { return (CCLabelProtocol*)this; }
	protected:
		CGSize m_tDimensions;
		UITextAlignment m_eAlignment;
		std::string m_sFontName;
		float m_fFontSize;
	};

} //namespace cocos2d
#endif //__CCLABEL_H__