Can i display a portion of an image in iphone application using cocos2d ?

Question

I want to display portion of image not to display the total image.At first display the full image but after a delay time display the a portion of this image. I can not understand how can i do this. Like we can display portion of text by fixing the dimension of Label.But in case of image how can i do that using sprite or other.

Answer 1

[someImage drawInRect:CGRectMake(0, 0, 30, 30)];