Example #1
0
FontAtlas::FontAtlas(Font &theFont) 
: _font(&theFont)
, _currentPageData(nullptr)
, _fontAscender(0)
, _rendererRecreatedListener(nullptr)
, _antialiasEnabled(true)
, _rendererRecreate(false)
{
    _font->retain();

    FontFreeType* fontTTf = dynamic_cast<FontFreeType*>(_font);
    if (fontTTf)
    {
        _commonLineHeight = _font->getFontMaxHeight();
        _fontAscender = fontTTf->getFontAscender();
        auto texture = new (std::nothrow) Texture2D;
        _currentPage = 0;
        _currentPageOrigX = 0;
        _currentPageOrigY = 0;
        _letterPadding = 0;

        if(fontTTf->isDistanceFieldEnabled())
        {
            _letterPadding += 2 * FontFreeType::DistanceMapSpread;    
        }
        _currentPageDataSize = CacheTextureWidth * CacheTextureHeight;
        auto outlineSize = fontTTf->getOutlineSize();
        if(outlineSize > 0)
        {
            _commonLineHeight += 2 * outlineSize;
            _currentPageDataSize *= 2;
        }    

        _currentPageData = new unsigned char[_currentPageDataSize];
        memset(_currentPageData, 0, _currentPageDataSize);

        auto  pixelFormat = outlineSize > 0 ? Texture2D::PixelFormat::AI88 : Texture2D::PixelFormat::A8; 
        texture->initWithData(_currentPageData, _currentPageDataSize, 
            pixelFormat, CacheTextureWidth, CacheTextureHeight, Size(CacheTextureWidth,CacheTextureHeight) );

        addTexture(texture,0);
        texture->release();

#if CC_ENABLE_CACHE_TEXTURE_DATA
        auto eventDispatcher = Director::getInstance()->getEventDispatcher();

        _rendererRecreatedListener = EventListenerCustom::create(EVENT_RENDERER_RECREATED, CC_CALLBACK_1(FontAtlas::listenRendererRecreated, this));
        eventDispatcher->addEventListenerWithFixedPriority(_rendererRecreatedListener, 1);
#endif
    }
}
Example #2
0
FontAtlas::FontAtlas(Font &theFont) 
: _font(&theFont)
, _currentPageData(nullptr)
, _fontAscender(0)
, _toForegroundListener(nullptr)
, _toBackgroundListener(nullptr)
{
    _font->retain();

    FontFreeType* fontTTf = dynamic_cast<FontFreeType*>(_font);
    if (fontTTf)
    {
        _commonLineHeight = _font->getFontMaxHeight();
        _fontAscender = fontTTf->getFontAscender();
        auto texture = new Texture2D;
        _currentPage = 0;
        _currentPageOrigX = 0;
        _currentPageOrigY = 0;
        _letterPadding = 0;

        if(fontTTf->isDistanceFieldEnabled())
        {
            _letterPadding += 2 * FontFreeType::DistanceMapSpread;    
        }
        _currentPageDataSize = CacheTextureWidth * CacheTextureHeight;
        if(fontTTf->getOutlineSize() > 0)
        {
            _currentPageDataSize *= 2;
        }    

        _currentPageData = new unsigned char[_currentPageDataSize];
        memset(_currentPageData, 0, _currentPageDataSize);  
        addTexture(texture,0);
        texture->release();
#if CC_ENABLE_CACHE_TEXTURE_DATA
        auto eventDispatcher = Director::getInstance()->getEventDispatcher();
        _toBackgroundListener = EventListenerCustom::create(EVENT_COME_TO_BACKGROUND, CC_CALLBACK_1(FontAtlas::listenToBackground, this));
        eventDispatcher->addEventListenerWithFixedPriority(_toBackgroundListener, 1);
        _toForegroundListener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, CC_CALLBACK_1(FontAtlas::listenToForeground, this));
        eventDispatcher->addEventListenerWithFixedPriority(_toForegroundListener, 1);
#endif
    }
}