字符串网址NSString到imageRef 到ccsprite

NSURL *url = [NSURLURLWithString:[GameData.login_info.logostringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
NSData *data = [NSDatadataWithContentsOfURL:url];
CFDataRef imgData = (CFDataRef)data;
CGDataProviderRef imgDataProvider = CGDataProviderCreateWithCFData (imgData);
CGImageRef image = CGImageCreateWithPNGDataProvider(imgDataProvider, NULL, true, kCGRenderingIntentDefault);

 

 

-(CCSprite*)URLStrToSprite:(NSString*)URLStr position:(CGPoint)position
{
    NSURL  *url  = [NSURL URLWithString:[URLStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
    NSData *data = [NSData dataWithContentsOfURL:url];
    if(!data)
        return nil;
    UIImage *img = [UIImage imageWithData:data];
    CCTexture2D *textrue = [[CCTexture2D alloc]initWithImage:img resolutionType:kCCResolutionStandard];
    CCSprite *sprite = [CCSprite spriteWithTexture:textrue];
    [textrue release];
    sprite.position  = position;
    return [sprite autorelease];
}