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//
//  UIScrollView+zoomToCenterWithScale.h
//  locationme
//
//  Created by 金燕赖 on 14-6-22.
//  Copyright (c) 2014年 ljy. All rights reserved.
//

#import <UIKit/UIKit.h>

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//CGDisplayIOServicePort is depreciated in OS 10.9 – so you have to use IOServiceGetMatchingServices to get the service parameter for IODisplaySetFloatParameter.

- (void) setBrightnessTo: (float) level
{

    io_iterator_t iterator;
    kern_return_t result = IOServiceGetMatchingServices(kIOMasterPortDefault,
                                                        IOServiceMatching("IODisplayConnect"),
                                                        &iterator);

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    expression = [NSExpression expressionForFunction:@"distanceToLocation:fromLocation:" 
                    arguments:@[
                                [NSExpression expressionForConstantValue:to ], 
                                [NSExpression expressionForConstantValue:from ] 
                                ]
                ];
    result = (NSNumber *)[expression expressionValueWithObject:nil context:nil];

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    predicate = [NSPredicate predicateWithFormat:@"distanceToLocation:fromLocation:(%@, %@) =< %@", 
                  toLocation, 
                  fromLocation, 
                  expectedDistance 
                ];

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@implementation UIView (PSPDFKitAdditions)

- (UIViewController *)pspdf_closestViewController {
    UIResponder *responder = self;
    while ((responder = [responder nextResponder])) {
        if ([responder isKindOfClass:UIViewController.class]) break;
    }
    return (UIViewController *)responder;
}

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PSPDF_EXTERN BOOL PSPDFIsBlock(id _Nullable block) {
    static Class blockClass;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        blockClass = [^{} class];
        while ([blockClass superclass] != NSObject.class) {
            blockClass = [blockClass superclass];
        }
    });

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// The trick is to copy the DeviceSupport folder from the beta to the stable version.

cp -r /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/10.0\ \(14A5261u\) /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/

// Then restart Xcode. You might need to do that for every beta of iOS 10/Xcode 8.

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#import <UIKit/UIKit.h>

@interface UIColor (isLight)

- (CGFloat)lightness;
- (CGFloat)perceivedLightness;
- (CGFloat)perceivedLightnessW3C;
- (BOOL)isLight;
- (BOOL)isPerceivedLightW3C;
- (BOOL)isPerceivedLight;

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- (void)presentOverViewController:(ASViewController *)viewController
{
    if ([[UIDevice currentDevice].systemVersion integerValue] >= 8) {
        //For iOS 8
        viewController.providesPresentationContextTransitionStyle = YES;
        viewController.definesPresentationContext = YES;
        viewController.modalPresentationStyle = UIModalPresentationOverCurrentContext;
        [viewController presentViewController:self animated:NO completion:nil];
    }
    else

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- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
    [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
    
    //The device has already rotated, that's why this method is being called.
    UIDeviceOrientation deviceOrientation   = [[UIDevice currentDevice] orientation];
    //fixes orientation mismatch (between UIDeviceOrientation and UIInterfaceOrientation)
    UIInterfaceOrientation toOrientation;
    switch (deviceOrientation) {
        case UIDeviceOrientationUnknown:
            toOrientation = UIInterfaceOrientationUnknown;