Main.storyboard
//
// ViewController.m
// 7A11.图层的transform属性
//
// Created by huan on 16/2/4.
// Copyright © 2016年 huanxi. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *imageView;
@property (weak, nonatomic) IBOutlet UIView *redView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.redView.layer.contents = (id)[UIImage imageNamed:@"papa"].CGImage;
}
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
//学习形变的属性
//缩放
//第三个参数sz 看不到效果
// self.redView.layer.transform = CATransform3DMakeScale(1.5, 1.5, 1.5);
//旋转
//1,0,0 x轴旋转
//0,1,0 y轴旋转
//0,0,1 z轴旋转
// self.redView.layer.transform = CATransform3DMakeRotation(M_PI_4, 0, 0, 1);
//平移
// self.redView.layer.transform = CATransform3DMakeTranslation(10, 10, 0);
//使用kvc的方法 改变 属性值
// [self.redView.layer setValue:[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.5, 1.5, 1)] forKey:@"transform"];
#warning transform里面有更具体的形变属性
//缩放
//transform.scale.x 代表x方向上
//transform.scale.y 代表y方向上
// [self.redView.layer setValue:@1.5 forKeyPath:@"transform.scale.x"];
//旋转
// transform.rotation.z z轴旋转
// [self.redView.layer setValue:@(M_PI_4) forKeyPath:@"transform.rotation.z"];
//平移
//transform.translation.x x方向移动
// [self.redView.layer setValue:@(20)forKeyPath:@"transform.translation.x"];
//不具体指定x还是y方向的移动
// [self.redView.layer setValue:[NSValue valueWithCGPoint:CGPointMake(20, 20)] forKeyPath:@"transform.translation"];
#warning kvc设置不仅限于transform属性，只要layer有的属性,都设置
[self.redView.layer setValue:[NSValue valueWithCGRect:CGRectMake(0, 0, 200, 200)] forKeyPath:@"bounds"];
}
@end
结果
