int Bitmap::handler_method_release( int ptr1,void* ptr2 )
{
CCSprite* emubitmap = (CCSprite*)ptr1;
CCRenderTexture* fontRender = (CCRenderTexture*)ptr2;
if (NULL!=emubitmap)
{
CCTexture2D* releaseTexture = emubitmap->getTexture();
emubitmap->release();
CCTextureCache::sharedTextureCache()->removeTexture(releaseTexture);
}
if (NULL!=fontRender)
{
fontRender->release();
}
return 0;
}
// Helper
bool CCLabelTTF::updateTexture()
{
//if(this->isFlipY())
// this->setFlipY(false);
CCTexture2D *tex;
tex = new CCTexture2D();
if (!tex)
return false;
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) || (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
ccFontDefinition texDef = _prepareTextDefinition(true);
tex->initWithString( m_string.c_str(), &texDef );
#else
tex->initWithString( m_string.c_str(),
m_pFontName->c_str(),
m_fFontSize * CC_CONTENT_SCALE_FACTOR(),
CC_SIZE_POINTS_TO_PIXELS(m_tDimensions),
m_hAlignment,
m_vAlignment);
#endif
// set the texture
this->setTexture(tex);
// release it
tex->release();
// set the size in the sprite
CCRect rect =CCRectZero;
rect.size = m_pobTexture->getContentSize();
this->setTextureRect(rect);
/***************************给文字描黑边begin*********************************/
CCPoint prePos = this->getPosition();
ccColor3B color1 = this->getColor();
float strokeValue = 2;
CCSize textureSize = this->getContentSize();
textureSize.width += 2 * strokeValue;
textureSize.height += 2 * strokeValue;
/* 监测OpenGl的错误状态 */
glGetError();
/* 创建一张纹理画布 */
CCRenderTexture *rt = CCRenderTexture::create(textureSize.width, textureSize.height);
if(!rt)
{
CCLog("create render texture failed !!!!");
//addChild(label);
return 0;
}
/* 设置描边的颜色 */
this->setColor(ccBLACK);
/*
*拿到源文字的混色机制，存储以备恢复，并设置新的目标混色机制
*混色机制设为：源颜色透明度（影响亮度）和目标颜色（影响颜色）
*/
ccBlendFunc originalBlend = this->getBlendFunc();
ccBlendFunc func = { GL_SRC_ALPHA, GL_ONE};
this->setBlendFunc(func);
CCPoint anchPoint = this->getAnchorPoint();
/* 这是自定义的一些调整，倾斜了一点 */
this->setAnchorPoint(CCPoint(0.5, 0.5));
//label->setRotationX(15);
/* 张开画布，开始绘画 */
rt->begin();
this->setFlipY(true);
for(int i = 0; i < 360; i += 5)//每变化5度绘制一张
{
float r = CC_DEGREES_TO_RADIANS(i); //度数格式的转换
this->setPosition(CCPoint(textureSize.width * 0.5f + sin(r) * strokeValue,textureSize.height * 0.5f + cos(r) * strokeValue));
/* CCRenderTexture的用法，在begin和end之间visit的纹理，都会画在CCRenderTexture里面 */
this->visit();//画了一次该label
}
/* 恢复原始的label并绘制在最上层 */
this->setColor(color1);
this->setBlendFunc(originalBlend);
this->setPosition(CCPoint(textureSize.width * 0.5f, textureSize.height * 0.5f));
this->visit();
this->setFlipY(false);
/* 在画布上绘制结束，此时会生成一张纹理 */
rt->end();
/* 取出生成的纹理，添加抗锯齿打磨，并返回 */
CCTexture2D *texture = rt->getSprite()->getTexture();
texture->setAntiAliasTexParameters();// setAliasTexParameters();
this->setTexture(texture);
// release it
rt->release();
//set the size in the sprite
rect =CCRectZero;
rect.size = m_pobTexture->getContentSize();
//this->setFlipY(true);
//this->setFlipX(true);
this->setTextureRect(rect);
//if(!this->isFlipY())
// this->setFlipY(true);
this->setAnchorPoint(anchPoint);
this->setColor(color1);
this->setPosition(prePos);
/***************************给文字描黑边end*********************************/
//ok
return true;
}
