//

//  YXLabel.h

//

//  Created by YouXianMing on 14-8-23.

//  Copyright (c) 2014年 YouXianMing. All rights reserved.

//

#import <UIKit/UIKit.h>

@interface YXLabel : UIView

@property (nonatomic, strong) NSString *text;       // 文本的文字

@property (nonatomic, strong) UIFont   *font;       // 文本的字体

@property (nonatomic, assign) CGFloat   startScale; // 最初处于alpha = 0状态时的scale值

@property (nonatomic, assign) CGFloat   endScale;   // 最后处于alpha = 0状态时的scale值

@property (nonatomic, strong) UIColor  *backedLabelColor; // 不会消失的那个label的颜色

@property (nonatomic, strong) UIColor  *colorLabelColor;  // 最终会消失的那个label的颜色

- (void)startAnimation;

@end

//

//  YXLabel.m

//

//  Created by YouXianMing on 14-8-23.

//  Copyright (c) 2014年 YouXianMing. All rights reserved.

//

#import "YXLabel.h"

@interface YXLabel ()

@property (nonatomic, strong) UILabel  *backedLabel;

@property (nonatomic, strong) UILabel  *colorLabel;

@end

@implementation YXLabel

- (id)initWithFrame:(CGRect)frame

{

    self = [super initWithFrame:frame];

    if (self)

    {

        _backedLabel = [[UILabel alloc] initWithFrame:self.bounds];

        _colorLabel  = [[UILabel alloc] initWithFrame:self.bounds];

        // 初始时的alpha值为0

        _backedLabel.alpha = ;

        _colorLabel.alpha  = ;

        // 文本居中

        _backedLabel.textAlignment = NSTextAlignmentCenter;

        _colorLabel.textAlignment  = NSTextAlignmentCenter;

        [self addSubview:_backedLabel];

        [self addSubview:_colorLabel];

    }

    return self;

}

- (void)startAnimation

{

    // 判断endScale的值

    if (_endScale == ) {

        _endScale = .f;

    }

    // 开始第一次动画

    [UIView animateWithDuration:

                          delay:

         usingSpringWithDamping:

          initialSpringVelocity:

                        options:UIViewAnimationOptionCurveEaseInOut

                     animations:^{

                         // 恢复正常尺寸

                         _backedLabel.alpha     = .f;

                         _backedLabel.transform = CGAffineTransformMake(, , , , , );

                         _colorLabel.alpha      = .f;

                         _colorLabel.transform  = CGAffineTransformMake(, , , , , );;

                     }

                     completion:^(BOOL finished) {

                         // 开始第二次动画

                         [UIView animateWithDuration:

                                               delay:0.5

                              usingSpringWithDamping:

                               initialSpringVelocity:

                                             options:UIViewAnimationOptionCurveEaseInOut

                                          animations:^{

                                              _colorLabel.alpha     = .f;

                                              _colorLabel.transform = CGAffineTransformMake(_endScale, , , _endScale, , );

                                          }

                                          completion:^(BOOL finished) {

                                          }];

                     }];

}

#pragma mark - 重写setter方法

@synthesize text = _text;

- (void)setText:(NSString *)text

{

    _text             = text;

    _backedLabel.text = text;

    _colorLabel.text  = text;

}

- (NSString *)text

{

    return _text;

}

@synthesize startScale = _startScale;

- (void)setStartScale:(CGFloat)startScale

{

    _startScale = startScale;

    _backedLabel.transform = CGAffineTransformMake(startScale, , , startScale, , );

    _colorLabel.transform  = CGAffineTransformMake(startScale, , , startScale, , );

}

- (CGFloat)startScale

{

    return _startScale;

}

@synthesize font = _font;

- (void)setFont:(UIFont *)font

{

    _font = font;

    _backedLabel.font = font;

    _colorLabel.font  = font;

}

- (UIFont *)font

{

    return _font;

}

@synthesize backedLabelColor = _backedLabelColor;

- (void)setBackedLabelColor:(UIColor *)backedLabelColor

{

    _backedLabelColor = backedLabelColor;

    _backedLabel.textColor = backedLabelColor;

}

@synthesize colorLabelColor = _colorLabelColor;

- (void)setColorLabelColor:(UIColor *)colorLabelColor

{

    _colorLabelColor = colorLabelColor;

    _colorLabel.textColor = colorLabelColor;

}

@end

//

//  RootViewController.m

//  Demo

//

//  Created by YouXianMing on 14-8-22.

//  Copyright (c) 2014年 YouXianMing. All rights reserved.

//

#import "RootViewController.h"

#import "YXLabel.h"

#import "FontPool.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

    self.view.backgroundColor = [UIColor blackColor];

    // 注册字体

    REGISTER_FONT(bundleFont(@"新蒂小丸子小学版.ttf"), @"新蒂小丸子小学版");

    YXLabel *label   = [[YXLabel alloc] initWithFrame:CGRectMake(, , , )];

    label.text       = @"高逼格";

    label.startScale = 0.3f;

    label.endScale   = .f;

    label.backedLabelColor = [UIColor whiteColor];

    label.colorLabelColor  = [UIColor cyanColor];

    label.font       = [UIFont fontWithName:CUSTOM_FONT(@"新蒂小丸子小学版", )

                                       size:.f];

    label.center      = self.view.center;

    [self.view addSubview:label];

    [[GCDQueue mainQueue] execute:^{

        [label startAnimation];

    } afterDelay:NSEC_PER_SEC * ];

}

@end