axmol/cocos2dx/label_nodes/CCLabelTTF.cpp

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

http://www.cocos2d-x.org

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#include "CCLabelTTF.h"

namespace cocos2d{
	//
	//CCLabelTTF
	//
    CCLabelTTF::CCLabelTTF()
        : m_pFontName(NULL)
        , m_pString(NULL)
		, m_fFontSize(0.0)
		, m_eAlignment(CCTextAlignmentCenter)
    {
    }

    CCLabelTTF::~CCLabelTTF()
    {
		CC_SAFE_DELETE(m_pFontName);
		CC_SAFE_DELETE(m_pString);        
    }

	CCLabelTTF * CCLabelTTF::labelWithString(const char *label, CCSize dimensions, CCTextAlignment alignment, const char *fontName, float fontSize)
	{
		CCLabelTTF *pRet = new CCLabelTTF();
		if(pRet && pRet->initWithString(label, dimensions, alignment, fontName, fontSize))
		{
			pRet->autorelease();
			return pRet;
		}
		CC_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;
		}
		CC_SAFE_DELETE(pRet);
		return NULL;
	}

	bool CCLabelTTF::initWithString(const char *label, CCSize dimensions, CCTextAlignment alignment, const char *fontName, float fontSize)
	{
		assert(label != NULL);
		if (CCSprite::init())
		{
			m_tDimensions = CCSizeMake( dimensions.width * CC_CONTENT_SCALE_FACTOR(), dimensions.height * CC_CONTENT_SCALE_FACTOR() );
			m_eAlignment = alignment;

            if (m_pFontName)
            {
                delete m_pFontName;
                m_pFontName = NULL;
            }
            m_pFontName = new std::string(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 = CCSizeZero;

            if (m_pFontName)
            {
                delete m_pFontName;
                m_pFontName = NULL;
            }
            m_pFontName = new std::string(fontName);

			m_fFontSize = fontSize * CC_CONTENT_SCALE_FACTOR();
			this->setString(label);
			return true;
		}
		return false;
	}
	void CCLabelTTF::setString(const char *label)
	{
        if (m_pString)
        {
            delete m_pString;
            m_pString = NULL;
        }
        m_pString = new std::string(label);
        
		CCTexture2D *texture;
		if( CCSize::CCSizeEqualToSize( m_tDimensions, CCSizeZero ) )
		{
			texture = new CCTexture2D();
			texture->initWithString(label, m_pFontName->c_str(), m_fFontSize);
		}
		else
		{
			texture = new CCTexture2D();
			texture->initWithString(label, m_tDimensions, m_eAlignment, m_pFontName->c_str(), m_fFontSize);
		}
		this->setTexture(texture);
		texture->release();

        CCRect rect = CCRectZero;
		rect.size = m_pobTexture->getContentSize();
		this->setTextureRect(rect);
	}

	const char* CCLabelTTF::getString(void)
	{
		return m_pString->c_str();
	}

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