axmol/cocos2dx/label_nodes/CCLabelTTF.cpp

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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****************************************************************************/
#include "CCLabelTTF.h"

namespace cocos2d{
	//
	//CCLabelTTF
	//
	CCLabelTTF * CCLabelTTF::labelWithString(const char *label, CGSize dimensions, UITextAlignment alignment, const char *fontName, float fontSize)
	{
		CCLabelTTF *pRet = new CCLabelTTF();
		if(pRet && pRet->initWithString(label, dimensions, alignment, fontName, fontSize))
		{
			pRet->autorelease();
			return pRet;
		}
		CCX_SAFE_DELETE(pRet)
		return NULL;
	}
	CCLabelTTF * CCLabelTTF::labelWithString(const char *label, const char *fontName, float fontSize)
	{
		CCLabelTTF *pRet = new CCLabelTTF();
		if(pRet && pRet->initWithString(label, fontName, fontSize))
		{
			pRet->autorelease();
			return pRet;
		}
		CCX_SAFE_DELETE(pRet)
		return NULL;
	}

	bool CCLabelTTF::initWithString(const char *label, CGSize dimensions, UITextAlignment alignment, const char *fontName, float fontSize)
	{
		assert(label != NULL);
		if (CCSprite::init())
		{
			m_tDimensions = CGSizeMake( dimensions.width * CC_CONTENT_SCALE_FACTOR(), dimensions.height * CC_CONTENT_SCALE_FACTOR() );
			m_eAlignment = alignment;
			m_sFontName = fontName;
			m_fFontSize = fontSize * CC_CONTENT_SCALE_FACTOR();
			this->setString(label);
			return true;
		}
		return false;
	}
	bool CCLabelTTF::initWithString(const char *label, const char *fontName, float fontSize)
	{
		assert(label != NULL);
		if (CCSprite::init())
		{
			m_tDimensions = CGSizeZero;
			m_sFontName = fontName;
			m_fFontSize = fontSize * CC_CONTENT_SCALE_FACTOR();
			this->setString(label);
			return true;
		}
		return false;
	}
	void CCLabelTTF::setString(const char *label)
	{
		m_sString = string(label);
        
		CCTexture2D *texture;
		if( CGSize::CGSizeEqualToSize( m_tDimensions, CGSizeZero ) )
		{
			texture = new CCTexture2D();
			texture->initWithString(label, m_sFontName.c_str(), m_fFontSize);
		}
		else
		{
			texture = new CCTexture2D();
			texture->initWithString(label, m_tDimensions, m_eAlignment, m_sFontName.c_str(), m_fFontSize);
		}
		this->setTexture(texture);
		texture->release();

        CGRect rect = CGRectZero;
		rect.size = m_pobTexture->getContentSize();
		this->setTextureRect(rect);
	}

	const char* CCLabelTTF::getString(void)
	{
		return m_sString.c_str();
	}

	char * CCLabelTTF::description()
	{
		char *ret = new char[100] ;
		sprintf(ret, "<CCLabelTTF | FontName = %s, FontSize = %.1f>", m_sFontName.c_str(), m_fFontSize);
		return ret;
	}
}// namespace cocos2d