#import "buttonCustom.h"#define KimageW 30#define KtitleH 21#define Kpadding 10@interface buttonCustom()@end@implementation buttonCustom- (instancetype)initWithFrame:(CGRect)frame{    if (self = [super initWithFrame:frame]) {        self.titleLabel.textAlignment = NSTextAlignmentCenter;    }    return self;}//set title- (void)setTitle:(NSString *)title forState:(UIControlState)state{    [super setTitle:title forState:state];   }//set image- (void)setImage:(UIImage *)image forState:(UIControlState)state{    [super setImage:image forState:state];    }//custom title rect- (CGRect)titleRectForContentRect:(CGRect)contentRect{    return CGRectMake(0 , Kpadding *2 , self.bounds.size.width, 21 );}//custom image rect- (CGRect)imageRectForContentRect:(CGRect)contentRect{    return CGRectMake(0 , Kpadding ,self.bounds.size.width , KimageW);}@end