Picture separation-split into two pieces

@interface viewcontroller ()

@property (nonatomic,strong)Uiimageview *topimageview;

@property(nonatomic,strong)Uiimageview *bottomimageview;

@end

@implementation Viewcontroller

-(void) viewdidload {

[Super viewdidload];

additional setup after loading the view, typically from a nib.

UILabel *label=[[UILabel alloc]initwithframe:cgrectmake( )];

Label. textcolor=[uicolor redcolor];

Label. textalignment=nstextalignmentcenter;

Label. text=@ " you See me " ;

[self. View addsubview: label];

UIImage *imagetop=[UIImage imagenamed:@ "1111.jpg"];

// region clipping based on created image (key code)

    cgimageref reftopimg= cgimagecreatewithimageinrect (Imagetop. Cgimagecgrectmake (0 Span class= "S5" >0 Size. Width Size. Height/2

_topimageview=[[uiimageview alloc]initwithframe:cgrectmake(0 , 0, 375, 667/2)];

_topimageview. Image=[UIImage imagewithcgimage: reftopimg];

[self. View addsubview:_topimageview];

    cgimageref refbottomimg= cgimagecreatewithimageinrect (Imagetop. Cgimagecgrectmake (0size. Height/2 Size. Width Size. Height/2

_bottomimageview=[[uiimageview alloc]initwithframe:cgrectmake(0 , 667/2, 375, 667/2)];

_bottomimageview. Image=[UIImage imagewithcgimage: refbottomimg];

[self. View addsubview:_bottomimageview];

}

-(void) Touchesbegan: (nsset<uitouch *> *) touches withevent: (uievent *) event

{

[UIView animatewithduration:1 animations: ^{

_topimageview. Frame=cgrectmake(0,-667/2, 375, 667/2);

_bottomimageview. Frame=cgrectmake(0, 667, 375, 667/2);

}];

}

Picture separation-split into two pieces