UIImage 이미지 자른 후 다른 이미지와 합치기

 //get character image

CGImageRef tmp = CGImageCreateWithImageInRect( [_uc.image CGImage], CGRectMake(0, 28, 100, 95)); 

UIImage *_character = [UIImage resizeImage:[UIImage imageWithCGImage:tmp] width:72 height:72];

UIImage *_bg = [UIImage imageNamed:@"characterbox_bg.png"];

//combine background image + character image

UIGraphicsBeginImageContext(_bg.size);

[_bg drawInRect:CGRectMake(0, 0, _bg.size.width, _bg.size.height)];

[_character drawInRect:CGRectMake(0, 0, _character.size.width, _character.size.height)];

UIImage *_result_img = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

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CCSprite *sprite =  [CCSprite spriteWithTexture:

 [[CCTexture2D alloc] initWithImage:

  [_u.image imageByScalingAndCroppingForSize:CGSizeMake(95, 95) withTargetPoint:CGPointMake(5, 5)]]];