#import "ViewController.h"

#define WIDTH 50

#define PHOTO_HEIGHT 150

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

    CALayer *layer=[CALayer layer];

    layer.bounds=CGRectMake(, , PHOTO_HEIGHT, PHOTO_HEIGHT);

    layer.position=CGPointMake(, );

    layer.backgroundColor=[UIColor redColor].CGColor;

    layer.cornerRadius=PHOTO_HEIGHT/;

    layer.masksToBounds=YES;

    layer.borderColor=[UIColor whiteColor].CGColor;

    layer.borderWidth=;

    layer.delegate=self;

    [self.view.layer addSublayer:layer];

    [layer setNeedsDisplay];

}

-(void)drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx

{

    CGContextSaveGState(ctx);

    CGContextScaleCTM(ctx, , -);

    CGContextTranslateCTM(ctx, , -PHOTO_HEIGHT);

    UIImage *image=[UIImage imageNamed:@""];

    CGContextDrawImage(ctx, CGRectMake(, , PHOTO_HEIGHT, PHOTO_HEIGHT), image.CGImage);

    CGContextRestoreGState(ctx);

}