OC的frame、center、transform

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// ViewController.m

// 08085按钮操作复习

// Created by weibiao on 15-8-8.

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[superviewDidLoad];

}

- (void)didReceiveMemoryWarning {

[superdidReceiveMemoryWarning];

}

- (IBAction)transform:(id)sender {

第一种：以frame来进行变换

//动画头部

[UIView beginAnimations:nil context:nil];

//设置动画时间

[UIView setAnimationDuration:1.0];

//不能对UIButton的frame直接操作

CGRect tempRect = _header.frame;

//sender是id类型，不能用点语法，只能用getter语法

switch ([sender tag]) {

case 1:

tempRect.origin.y-=kTranslation;

break;

case 2:

tempRect.origin.x+=kTranslation;

break;

case 3:

tempRect.origin.y+=kTranslation;

break;

case 4:

tempRect.origin.x-=kTranslation;

break;

default:

break;

}

// if ([sender tag] == 1){//进行上移

// tempRect.origin.y = tempRect.origin.y-kTranslation;

// }

// else if ([sender tag] == 2){

// tempRect.origin.x = tempRect.origin.x - kTranslation;

// }

// else if ([sender tag] == 3){

// tempRect.origin.y = tempRect.origin.y + kTranslation;

// }

// else if ([sender tag] == 4){

// tempRect.origin.x = tempRect.origin.x + kTranslation;

// }

_header.frame = tempRect;

[UIView commitAnimations];

/*第二种：以center属性来进行变换

//center属性是一个中心点，需要设置一个CGPoint对象

CGPoint p =_header.center;//CGPoint是一个结构体，不需要用*

//设置动画

[UIViewbeginAnimations:nilcontext:nil];//动画头部，属于类方法

// [UIView setAnimationDelay:2.0];//setAnimationDelay:方法是延迟动作执行时间

// [UIView setAnimationBeginsFromCurrentState:NO];//作用待查

// [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];//作用待查

// [UIView setAnimationDelegate:nil];//作用待查

[UIViewsetAnimationDuration:1.0];

[UIViewsetAnimationRepeatAutoreverses:YES];

[UIViewsetAnimationRepeatCount:2];//一个动作重复执行多次

[UIViewsetAnimationsEnabled:YES];//待查

switch ([sender tag]) {

case 1:

p.y -=40;

break;

case 2:

p.x +=40;

break;

case 3:

p.y+=40;

break;

case 4:

p.x-=40;

break;

default:

break;

}

self.header.center = p;

[UIViewcommitAnimations];

return ;

}

- (IBAction)rotation:(id)sender {

// [sender superview];获得父控件对象

// NSLog(@"%@",[sender superview]);

// self.header.transform = CGAffineTransformMakeRotation(M_PI_4);

//设置动画

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDuration:1.0];

switch ([sender tag]) {

case 1:

self.header.transform =CGAffineTransformRotate(self.header.transform, -M_PI_4);

break;

case 2:

self.header.transform =CGAffineTransformRotate(self.header.transform,M_PI_4);

default:

break;

}

// self.header.transform = CGAffineTransformRotate(self.header.transform, M_PI_4);

if ([sender tag] ==3) {

self.header.transform = CGAffineTransformScale(self.header.transform,0.8, 0.8);

}

else if ([sendertag] == 4) {

self.header.transform =CGAffineTransformScale(self.header.transform,1.2, 1.2);

}

[UIViewcommitAnimations];

}

@end

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