//
//  YYViewController.m
//  01-练习使用按钮的frame和center属性
//
//  Created by apple on 14-5-21.
//  Copyright (c) 2014年 itcase. All rights reserved.
//

#import "YYViewController.h"//私有扩展
@interface YYViewController ()@property(nonatomic,weak)IBOutlet UIButton *headImageView;
@end@implementation YYViewController//枚举类型，从1开始
//枚举类型有一个很大的作用，就是用来代替程序中的魔法数字
typedef enum
{ktopbtntag=1,kdownbtntag,krightbtntag,kleftbtntag
}btntag;//viewDidLoad是视图加载完成后调用的方法，通常在此方法中执行视图控制器的初始化工作
- (void)viewDidLoad
{//在viewDidLoad方法中，不要忘记调用父类的方法实现
    [super viewDidLoad];//手写控件代码//一、写一个按钮控件，上面有一张图片//1.使用类创建一个按钮对象// UIButton *headbtn=[[UIButton alloc] initWithFrame:CGRectMake(100 ,100, 100, 100)];//设置按钮对象为自定义型UIButton *headbtn=[UIButton buttonWithType:UIButtonTypeCustom];//2.设置对象的各项属性//(1)位置等通用属性设置headbtn.frame=CGRectMake(100, 100, 100, 100);//(2)设置普通状态下按钮的属性[headbtn setBackgroundImage:[UIImage imageNamed:@"i"] forState:UIControlStateNormal];[headbtn setTitle:@"点我！" forState:UIControlStateNormal];[headbtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];//(3)设置高亮状态下按钮的属性[headbtn setBackgroundImage:[UIImage imageNamed:@"a"] forState:UIControlStateHighlighted];[headbtn setTitle:@"还行吧~" forState:UIControlStateHighlighted];[headbtn setTitleColor:[UIColor blueColor] forState:UIControlStateHighlighted];//3.把对象添加到视图中展现出来
    [self.view addSubview:headbtn];//注意点！self.headImageView=headbtn;//二、写四个控制图片左右上下移动方向的按钮控件/**================向上的按钮=====================*///1.创建按钮对象UIButton *topbtn=[UIButton buttonWithType:UIButtonTypeCustom];//2.设置对象的属性topbtn.frame=CGRectMake(100, 250, 40, 40);[topbtn setBackgroundImage:[UIImage imageNamed:@"top_normal"] forState:UIControlStateNormal];[topbtn setBackgroundImage:[UIImage imageNamed:@"top_highlighted"] forState:UIControlStateHighlighted];[topbtn setTag:1];//3.把控件添加到视图中
    [self.view addSubview:topbtn];//4.按钮的单击控制事件
    [topbtn addTarget:self action:@selector(Click:) forControlEvents:UIControlEventTouchUpInside];/**================向下的按钮=====================*///1.创建按钮对象UIButton *downbtn=[UIButton buttonWithType:UIButtonTypeCustom];//2.设置对象的属性downbtn.frame=CGRectMake(100, 350, 40, 40);[downbtn setBackgroundImage:[UIImage imageNamed:@"bottom_normal"] forState:UIControlStateNormal];[downbtn setBackgroundImage:[UIImage imageNamed:@"bottom_highlighted"] forState:UIControlStateHighlighted];[downbtn setTag:2];//3.把控件添加到视图中
    [self.view addSubview:downbtn];//4.按钮的单击控制事件
    [downbtn addTarget:self action:@selector(Click:) forControlEvents:UIControlEventTouchUpInside];/**================向左的按钮=====================*///1.创建按钮对象UIButton *leftbtn=[UIButton buttonWithType:UIButtonTypeCustom];//2.设置对象的属性leftbtn.frame=CGRectMake(50, 300, 40, 40);[leftbtn setBackgroundImage:[UIImage imageNamed:@"left_normal"] forState:UIControlStateNormal];[leftbtn setBackgroundImage:[UIImage imageNamed:@"left_highlighted"] forState:UIControlStateHighlighted];[leftbtn setTag:4];//3.把控件添加到视图中
    [self.view addSubview:leftbtn];//4.按钮的单击控制事件
    [leftbtn addTarget:self action:@selector(Click:) forControlEvents:UIControlEventTouchUpInside];/**================向右的按钮=====================*///1.创建按钮对象UIButton *rightbtn=[UIButton buttonWithType:UIButtonTypeCustom];//2.设置对象的属性rightbtn.frame=CGRectMake(150, 300, 40, 40);[rightbtn setBackgroundImage:[UIImage imageNamed:@"right_normal"] forState:UIControlStateNormal];[rightbtn setBackgroundImage:[UIImage imageNamed:@"right_highlighted"] forState:UIControlStateHighlighted];[rightbtn setTag:3];//3.把控件添加到视图中
    [self.view addSubview:rightbtn];//4.按钮的单击控制事件
    [rightbtn addTarget:self action:@selector(Click:) forControlEvents:UIControlEventTouchUpInside];//三、写两个缩放按钮/**================放大的按钮=====================*///1.创建对象UIButton *plusbtn=[UIButton buttonWithType:UIButtonTypeCustom];//2.设置属性plusbtn.frame=CGRectMake(75, 400, 40, 40);[plusbtn setBackgroundImage:[UIImage imageNamed:@"plus_normal"] forState:UIControlStateNormal];[plusbtn setBackgroundImage:[UIImage imageNamed:@"plus_highlighted"] forState:UIControlStateHighlighted];[plusbtn setTag:1];//3.添加到视图
    [self.view addSubview:plusbtn];//4.单击事件
    [plusbtn addTarget:self action:@selector(Zoom:) forControlEvents:UIControlEventTouchUpInside];/**================缩小的按钮=====================*/UIButton *minusbtn=[UIButton buttonWithType:UIButtonTypeCustom];minusbtn.frame=CGRectMake(125, 400, 40, 40);[minusbtn setBackgroundImage:[UIImage imageNamed:@"minus_normal"] forState:UIControlStateNormal];[minusbtn setBackgroundImage:[UIImage imageNamed:@"minus_highlighted"] forState:UIControlStateHighlighted];[minusbtn setTag:0];[self.view addSubview:minusbtn];[minusbtn addTarget:self action:@selector(Zoom:) forControlEvents:UIControlEventTouchUpInside];/**================向左旋转按钮=====================*/UIButton *leftrotatebtn=[UIButton buttonWithType:UIButtonTypeCustom];[leftrotatebtn setFrame:CGRectMake(175, 400, 40, 40)];[leftrotatebtn setBackgroundImage:[UIImage imageNamed:@"left_rotate_normal"] forState:UIControlStateNormal];[leftrotatebtn setBackgroundImage:[UIImage imageNamed:@"left_rotate_highlighted"] forState:UIControlStateHighlighted];[leftrotatebtn setTag:1];[self.view addSubview:leftrotatebtn];[leftrotatebtn addTarget:self action:@selector(Rotate:) forControlEvents:UIControlEventTouchUpInside];/**================向右旋转按钮=====================*/UIButton *rightrotatebtn=[UIButton buttonWithType:UIButtonTypeCustom];[rightrotatebtn setFrame:CGRectMake(225, 400, 40, 40)];[rightrotatebtn setBackgroundImage:[UIImage imageNamed:@"right_rotate_normal"] forState:UIControlStateNormal];[rightrotatebtn setBackgroundImage:[UIImage imageNamed:@"right_rotate_highlighted"] forState:UIControlStateHighlighted];[rightbtn setTag:0];[self.view addSubview:rightrotatebtn];[rightrotatebtn addTarget:self action:@selector(Rotate:) forControlEvents:UIControlEventTouchUpInside];
}//控制方向的多个按钮调用同一个方法
-(void)Click:(UIButton *)button
{//练习使用frame属性//CGRect frame=self.headImageView.frame;/**注意，这里如果控制位置的两个属性frame和center同时使用的话，会出现很好玩的效果，注意分析*///练习使用center属性CGPoint center=self.headImageView.center;switch (button.tag) {case ktopbtntag:center.y-=30;break;case kdownbtntag:center.y+=30;break;case kleftbtntag://发现一个bug,之前的问题是因为少写了break,造成了它们的顺序执行，sorry//center.x=center.x-30;center.x-=50;break;case krightbtntag:center.x+=50;break;}//  self.headImageView.frame=frame;//首尾式设置动画效果
    [UIView beginAnimations:nil context:nil];self.headImageView.center=center;//设置时间[UIView setAnimationDuration:2.0];[UIView commitAnimations];NSLog(@"移动!");}
-(void)Zoom:(UIButton *)btn
{//使用bounds，以中心点位原点进行缩放CGRect bounds = self.headImageView.bounds;if (btn.tag) {bounds.size.height+=30;bounds.size.width+=30;}else{bounds.size.height-=50;bounds.size.width-=50;}//设置首尾动画
    [UIView beginAnimations:nil context:nil];self.headImageView.bounds=bounds;[UIView setAnimationDuration:2.0];[UIView commitAnimations];
}-(void)Rotate:(UIButton *)rotate
{//位移（不累加）//self.headImageView.transform=CGAffineTransformMakeTranslation(50, 200);//缩放//self.headImageView.transform=CGAffineTransformMakeScale(1.2, 10);//在原有的基础上位移（是累加的）//self.headImageView.transform=CGAffineTransformTranslate(self.headImageView.transform, 50, 50);//在原有的基础上进行缩放//self.headImageView.transform=CGAffineTransformScale(self.headImageView.transform, 1.5, 1.6);//在原有的基础上进行旋转if (rotate.tag) {//旋转角度为1/pi，逆时针self.headImageView.transform=CGAffineTransformRotate(self.headImageView.transform, -M_1_PI);}else{//旋转的角度为pi/2，顺时针self.headImageView.transform=CGAffineTransformRotate(self.headImageView.transform, M_PI_2);}}
@end