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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| // | ||
| // YYFPSLabel.h | ||
| // YYKitExample | ||
| // | ||
| // Created by ibireme on 15/9/3. | ||
| // Copyright (c) 2015 ibireme. All rights reserved. | ||
| // | ||
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| #import <UIKit/UIKit.h> | ||
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| /** | ||
| Show Screen FPS... | ||
| The maximum fps in OSX/iOS Simulator is 60.00. | ||
| The maximum fps on iPhone is 59.97. | ||
| The maxmium fps on iPad is 60.0. | ||
| */ | ||
| @interface YYFPSLabel : UILabel | ||
|
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // | ||
| // YYFPSLabel.m | ||
| // YYKitExample | ||
| // | ||
| // Created by ibireme on 15/9/3. | ||
| // Copyright (c) 2015 ibireme. All rights reserved. | ||
| // | ||
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| #import "YYFPSLabel.h" | ||
| #import "YYWeakProxy.h" | ||
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| #define kSize CGSizeMake(55, 20) | ||
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| @implementation YYFPSLabel { | ||
| CADisplayLink *_link; | ||
| NSUInteger _count; | ||
| NSTimeInterval _lastTime; | ||
| UIFont *_font; | ||
| UIFont *_subFont; | ||
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| NSTimeInterval _llll; | ||
| } | ||
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| - (instancetype)initWithFrame:(CGRect)frame { | ||
| if (frame.size.width == 0 && frame.size.height == 0) { | ||
| frame.size = kSize; | ||
| } | ||
| self = [super initWithFrame:frame]; | ||
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| self.layer.cornerRadius = 5; | ||
| self.clipsToBounds = YES; | ||
| self.textAlignment = NSTextAlignmentCenter; | ||
| self.userInteractionEnabled = NO; | ||
| self.backgroundColor = [UIColor colorWithWhite:0.000 alpha:0.700]; | ||
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| _font = [UIFont fontWithName:@"Menlo" size:14]; | ||
| if (_font) { | ||
| _subFont = [UIFont fontWithName:@"Menlo" size:4]; | ||
| } else { | ||
| _font = [UIFont fontWithName:@"Courier" size:14]; | ||
| _subFont = [UIFont fontWithName:@"Courier" size:4]; | ||
| } | ||
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| _link = [CADisplayLink displayLinkWithTarget:[YYWeakProxy proxyWithTarget:self] selector:@selector(tick:)]; | ||
| [_link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes]; | ||
| return self; | ||
| } | ||
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| - (void)dealloc { | ||
| [_link invalidate]; | ||
| } | ||
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| - (CGSize)sizeThatFits:(CGSize)size { | ||
| return kSize; | ||
| } | ||
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| - (void)tick:(CADisplayLink *)link { | ||
| if (_lastTime == 0) { | ||
| _lastTime = link.timestamp; | ||
| return; | ||
| } | ||
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| _count++; | ||
| NSTimeInterval delta = link.timestamp - _lastTime; | ||
| if (delta < 1) return; | ||
| _lastTime = link.timestamp; | ||
| float fps = _count / delta; | ||
| _count = 0; | ||
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| CGFloat progress = fps / 60.0; | ||
| UIColor *color = [UIColor colorWithHue:0.27 * (progress - 0.2) saturation:1 brightness:0.9 alpha:1]; | ||
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| NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:[NSString stringWithFormat:@"%d FPS",(int)round(fps)]]; | ||
| [text addAttribute:NSForegroundColorAttributeName value:color range:NSMakeRange(0, text.length - 3)]; | ||
| [text addAttribute:NSForegroundColorAttributeName value:[UIColor whiteColor] range:NSMakeRange(text.length - 3, 3)]; | ||
| [text addAttribute:NSFontAttributeName value:_font range:NSMakeRange(0, text.length)]; | ||
| [text addAttribute:NSFontAttributeName value:_subFont range:NSMakeRange(text.length - 4, 1)]; | ||
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| self.attributedText = text; | ||
| } | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // | ||
| // YYWeakProxy.h | ||
| // YYKit <https://github.com/ibireme/YYKit> | ||
| // | ||
| // Created by ibireme on 14/10/18. | ||
| // Copyright (c) 2015 ibireme. | ||
| // | ||
| // This source code is licensed under the MIT-style license found in the | ||
| // LICENSE file in the root directory of this source tree. | ||
| // | ||
|
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| #import <Foundation/Foundation.h> | ||
|
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| /** | ||
| A proxy used to hold a weak object. | ||
| It can be used to avoid retain cycles, such as the target in NSTimer or CADisplayLink. | ||
| sample code: | ||
| @implementation MyView { | ||
| NSTimer *_timer; | ||
| } | ||
| - (void)initTimer { | ||
| YYWeakProxy *proxy = [YYWeakProxy proxyWithTarget:self]; | ||
| _timer = [NSTimer timerWithTimeInterval:0.1 target:proxy selector:@selector(tick:) userInfo:nil repeats:YES]; | ||
| } | ||
| - (void)tick:(NSTimer *)timer {...} | ||
| @end | ||
| */ | ||
| @interface YYWeakProxy : NSProxy | ||
|
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| /** | ||
| The proxy target. | ||
| */ | ||
| @property (nonatomic, weak, readonly) id target; | ||
|
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| /** | ||
| Creates a new weak proxy for target. | ||
| @param target Target object. | ||
| @return A new proxy object. | ||
| */ | ||
| - (instancetype)initWithTarget:(id)target; | ||
|
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| /** | ||
| Creates a new weak proxy for target. | ||
| @param target Target object. | ||
| @return A new proxy object. | ||
| */ | ||
| + (instancetype)proxyWithTarget:(id)target; | ||
|
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // | ||
| // YYWeakProxy.m | ||
| // YYKit <https://github.com/ibireme/YYKit> | ||
| // | ||
| // Created by ibireme on 14/10/18. | ||
| // Copyright (c) 2015 ibireme. | ||
| // | ||
| // This source code is licensed under the MIT-style license found in the | ||
| // LICENSE file in the root directory of this source tree. | ||
| // | ||
|
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| #import "YYWeakProxy.h" | ||
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| @implementation YYWeakProxy | ||
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| - (instancetype)initWithTarget:(id)target { | ||
| _target = target; | ||
| return self; | ||
| } | ||
|
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| + (instancetype)proxyWithTarget:(id)target { | ||
| return [[YYWeakProxy alloc] initWithTarget:target]; | ||
| } | ||
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| - (id)forwardingTargetForSelector:(SEL)selector { | ||
| return _target; | ||
| } | ||
|
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| - (void)forwardInvocation:(NSInvocation *)invocation { | ||
| void *null = NULL; | ||
| [invocation setReturnValue:&null]; | ||
| } | ||
|
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| - (NSMethodSignature *)methodSignatureForSelector:(SEL)selector { | ||
| return [NSObject instanceMethodSignatureForSelector:@selector(init)]; | ||
| } | ||
|
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| - (BOOL)respondsToSelector:(SEL)aSelector { | ||
| return [_target respondsToSelector:aSelector]; | ||
| } | ||
|
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| - (BOOL)isEqual:(id)object { | ||
| return [_target isEqual:object]; | ||
| } | ||
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| - (NSUInteger)hash { | ||
| return [_target hash]; | ||
| } | ||
|
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| - (Class)superclass { | ||
| return [_target superclass]; | ||
| } | ||
|
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| - (Class)class { | ||
| return [_target class]; | ||
| } | ||
|
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| - (BOOL)isKindOfClass:(Class)aClass { | ||
| return [_target isKindOfClass:aClass]; | ||
| } | ||
|
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| - (BOOL)isMemberOfClass:(Class)aClass { | ||
| return [_target isMemberOfClass:aClass]; | ||
| } | ||
|
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| - (BOOL)conformsToProtocol:(Protocol *)aProtocol { | ||
| return [_target conformsToProtocol:aProtocol]; | ||
| } | ||
|
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| - (BOOL)isProxy { | ||
| return YES; | ||
| } | ||
|
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| - (NSString *)description { | ||
| return [_target description]; | ||
| } | ||
|
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| - (NSString *)debugDescription { | ||
| return [_target debugDescription]; | ||
| } | ||
|
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| @end |