//
// ViewController.m
// Layer
//
// Created by City--Online on 15/4/9.
// Copyright (c) 2015年 City--Online. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIButton *btn=[UIButton buttonWithType:UIButtonTypeSystem];
btn.frame=CGRectMake(150, 250, 50, 80);
[btn setTitle:@"按钮" forState:UIControlStateNormal];
[btn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
[btn addTarget:self action:@selector(btnclick:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
//图层属性
self.myview=[[UIView alloc]init];
self.myview.frame=CGRectMake(100, 100, 100, 100);
//设置背景色
self.myview.layer.backgroundColor=[UIColor redColor].CGColor;
//设置边框宽度
self.myview.layer.borderWidth=5;
//设置圆角
self.myview.layer.cornerRadius=20;
//设置透明度
self.myview.layer.opacity=0.9;
//设置内容 id类型
self.myview.layer.contents=(id)[UIImage imageNamed:@"test.jpg"].CGImage;
//设置边框颜色
self.myview.layer.borderColor=[UIColor greenColor].CGColor;
//设置超过自图层的部分剪掉,否则设置圆角后contents中图片的四个角的部分还会显示出来 当设置此属性为yes时,阴影看不到
self.myview.layer.masksToBounds=YES;
//设置阴影颜色
self.myview.layer.shadowColor=[UIColor blackColor].CGColor;
// 设置阴影偏移量 width正往右 height正往下
self.myview.layer.shadowOffset=CGSizeMake(5, 15);
//设置阴影透明度 默认0
self.myview.layer.shadowOpacity=1.0;
[self.view addSubview:self.myview];
//图层创建
CALayer *calayer=[[CALayer alloc]init];
// calayer.frame=CGRectMake(220, 100, 100, 100);
calayer.bounds=CGRectMake(0, 0, 100, 100);
calayer.position=CGPointMake(260, 150);
calayer.backgroundColor=[UIColor redColor].CGColor;
calayer.contents=(id)[UIImage imageNamed:@"test.jpg"].CGImage;
calayer.masksToBounds=YES;
calayer.cornerRadius=20;
calayer.borderWidth=5;
[self.view.layer addSublayer:calayer];
}
-(void)btnclick:(id)sender
{
//有时候UIView和CALayer都能解决同样的问题,UIView和CAlayer用什么比较好?
//UIView继承UIResponder,可以响应用户事件,CAlayer的话是没继承UIResponder,没有响应,CAlayer是轻量的
//2d旋转变化
// self.myview.transform=CGAffineTransformMakeTranslation(100, 100);//UIView变化
// self.myview.layer.affineTransform=CGAffineTransformMakeTranslation(100, 100);//clayer变换
//
// self.myview.layer.transform=CATransform3DMakeScale(2,2,0);//缩放
// self.myview.layer.transform=CATransform3DMakeTranslation(20,20,0);//平移
// self.myview.layer.transform=CATransform3DMakeRotation(3.1415926, 1, 1, 0.5);//旋转
//kvox 设置
NSValue *v=[NSValue valueWithCATransform3D:CATransform3DMakeTranslation(100, 20, 0)];
[self.myview.layer setValue:v forKeyPath:@"transform"];
// 如果是只需要设置在某一个方向上的移动,可以参考下面的代码
// [self.myview.layer setValue:@(-100) forKeyPath:@"transform.translation.x"];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end