4. Small item: Touch What I do! (method Merge)

--------------- viewcontroller.m ---------------

#import "ViewController.h"

@interface viewcontroller ()

@property (weak, nonatomic) iboutlet UIButton *head;

-(ibaction) Moveclick: (UIButton *) sender;

-(ibaction) Rotateclick: (UIButton *) sender;

-(ibaction) Sizechangeclick: (UIButton *) sender;

@end

@implementation Viewcontroller

-(ibaction) Moveclick: (UIButton *) sender

{

CGRect frame = self. head. frame;

Switch (sender.) tag)

{

Case 1:

Frame. Origin. y -= ten;

break;

Case 2:

Frame. Origin. x + = ten;

break;

Case 3:

Frame. Origin. y + = ten;

break;

Case 4:

Frame. Origin. x -= ten;

break;

default:

break;

}

Self. head. frame = frame;

}

-(ibaction) Rotateclick: (UIButton *) sender

{

Switch (sender.) tag) {

case 5 :

            self . head . transform = cgaffinetransformrotate ( self . head . transform ,-m_pi_4 );

break;

Case 6:

            self . head . transform = cgaffinetransformrotate ( self . head . transform , m_pi_4 );

default:

break;

}

}

-(ibaction) Sizechangeclick: (UIButton *) sender

{

CGRect frame = self. head. frame;

Switch (sender.) tag) {

Case 7:

Frame. size. width + = ten;

Frame. size. height + = ten;

break;

Case 8:

Frame. size. width = ten;

Frame. size. height = ten;

break;

default:

break;

}

Self. head. frame = frame;

}

@end

4. Small item: Touch What I do! (method Merge)