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//卡类的头文件

#import "OWCardView.h"

@implementation OWCardView;

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        self.layer.contents      = (id) [UIImage imageNamed:@"4.png"].CGImage;
        self.layer.shadowColor   = [UIColor whiteColor].CGColor;
        self.layer.shadowOpacity = 0.3;
    }
    return self;
}


- (void) moveCard:(float)xPoint along:(float)yPoint
{
    CGRect someRect = CGRectMake(xPoint, yPoint, 72, 96);

    [UIView animateWithDuration: 3.5
                          delay: 0.3
                        options: UIViewAnimationCurveEaseOut
                     animations: ^{ self.frame = someRect;}
                     completion: ^(BOOL finished) { }];
}


@end


// part of the Implementation in the view controller's viewDidLoad

[...]
     CGRect myImageRect = CGRectMake(20.0f, 20.0f, 72.0f, 96.0f); …