_images _spirits addImageFromFile:: addImageFromPath:: addPNGFromResource:: addSVGFromResource:: clearCachedData getImageFromSVGFile:maxSize: getImageSize: imagePath loadImage: playPath setCurrentImage:newName:

getImageSize:() - (CGSize) getImageSize: (NSString *)  name 根据名称查找图像大小 这是这个函数的调用关系图: