@interface QYViewController ()

@property (nonatomic,strong)UIImageView image;
@property (nonatomic) UISlider slider;
@property (nonatomic) UILabel imageNo;
@property (nonatomic) UISlider slider1;
@property (nonatomic) UISwitch *swith;

@end

@implementation QYViewController

• (void)viewDidLoad
  {
  [super viewDidLoad];

_slider = [[UISlider alloc] initWithFrame:CGRectMake( 20, 430, 280, 30)];
_slider.minimumValue = 1;
_slider.maximumValue = 9;
[_slider addTarget:self action:@selector(touch:) forControlEvents:UIControlEventValueChanged];
[self.view addSubview:_slider];


UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 30, 60, 30)];
button.backgroundColor = [UIColor greenColor];
[button setTitle:@"设置" forState:UIControlStateNormal];
[button addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchDown];
[self.view addSubview:button];

_image = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"唯美14.jpg"]];
_image.frame = CGRectMake(0, 0, 320, 480);
[self.view addSubview:_image];

}

-(void)touch:(UISlider *)slider
{

 int aa = floor(_slider.value);
 NSString *imageName = [NSString stringWithFormat:@"唯美%d.png",aa];
_image.image = [UIImage imageNamed:imageName];

_image.frame = CGRectMake(50, 100, 200, 300);

[self.view addSubview:_image];


UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(100, 50, 90, 30)];
label.text = [NSString stringWithFormat:@"%.f/9",_slider.value ];
label.backgroundColor = [UIColor greenColor];
label.textAlignment = NSTextAlignmentCenter;
[self.view addSubview:label];

NSLog(@"%f",_slider.value);

}

-(void)click:(UIButton *)button
{

/*
UIActionSheet *action = [[UIActionSheet alloc] initWithTitle:@ delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"喜欢" otherButtonTitles:@"确认", nil];

[action showInView:self.view];
*/



UIImageView *view1 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 400, 320, 80)];
view1.backgroundColor = [UIColor brownColor];
[self.view addSubview:view1];

_slider1 = [[UISlider alloc] initWithFrame:CGRectMake( 70, 440, 230, 30)];
;
[self.view addSubview:_slider1];

pragma mark 设置开关

_swith = [[UISwitch alloc] initWithFrame:CGRectMake(100, 400, 40, 20)];

// _swith.backgroundColor = [UIColor blueColor];
[_swith addTarget:self action:@selector(swif) forControlEvents:UIControlEventValueChanged];
[self.view addSubview:_swith];

pragma mark 设置Label

UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 400, 50, 30)];
label.text = @"情景模式";
label.textColor = [UIColor blackColor];
label.adjustsFontSizeToFitWidth = YES;
[self.view addSubview:label];

UILabel *label1 = [[UILabel alloc] initWithFrame:CGRectMake(20, 440, 50, 30)];
label1.text = @"图片缩放";
label1.textColor = [UIColor blackColor];
label1.adjustsFontSizeToFitWidth = YES;
[self.view addSubview:label1];

}

-(void)change
{
//transform是NSAffineTransform的类方法，NSAffineTransform类主要实现图形的缩放，旋转和平移操作。在Xcode10.4之后，NSAffineTransform类已经被分割为基础工具包和应用开发框架。

_image.transform = CGAffineTransformMakeScale(_slider1.value, _slider1.value);

}

-(void)swif
{
if (_swith.on) {
self.view.backgroundColor = [UIColor darkGrayColor];
} else{
self.view.backgroundColor = [UIColor whiteColor];
}

}

@end