小说绘上架版本

XiaoShuoHui/WXReader/Verdor/ViewVerdor/BookTransitionAnimated/DZMAnimatedTransitioning.h

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+//
+//  DZMAnimatedTransitioning.h
+//  DZMAnimatedTransitioning
+//
+//  Created by 邓泽淼 on 2017/12/20.
+//  Copyright © 2017年 邓泽淼. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "NSObject+DZM.h"
+
+@interface DZMAnimatedTransitioning : NSObject<UIViewControllerAnimatedTransitioning>
+
+/// 构造方法
+- (instancetype _Nullable)initWithOperation:(UINavigationControllerOperation)operation;
+
+/// 构造方法
+- (instancetype _Nullable)initWithOperation:(UINavigationControllerOperation)operation duration:(float)duration;
+
+@end

XiaoShuoHui/WXReader/Verdor/ViewVerdor/BookTransitionAnimated/DZMAnimatedTransitioning.m

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+//
+//  DZMAnimatedTransitioning.m
+//  DZMAnimatedTransitioning
+//
+//  Created by 邓泽淼 on 2017/12/20.
+//  Copyright © 2017年 邓泽淼. All rights reserved.
+//
+
+#define DZM_TAG_COVER 818
+
+#import "DZMAnimatedTransitioning.h"
+
+static UIImage *coverImage;
+
+@interface DZMAnimatedTransitioning()
+{
+    UIView *contentView;
+}
+
+@property (nonatomic, assign) UINavigationControllerOperation operation;
+
+@property (nonatomic, assign, readonly) float duration;
+
+@end
+
+@implementation DZMAnimatedTransitioning
+
+- (instancetype)initWithOperation:(UINavigationControllerOperation)operation {
+    
+    return [self initWithOperation:operation duration:0.6];
+}
+
+- (instancetype)initWithOperation:(UINavigationControllerOperation)operation duration:(float)duration{
+    
+    self = [super init];
+    
+    if (self) {
+        
+        _duration = duration;
+        
+        _operation = operation;
+    }
+    
+    return self;
+}
+
+- (NSTimeInterval)transitionDuration:(id<UIViewControllerContextTransitioning>)transitionContext {
+    
+    return self.duration;
+}
+
+- (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionContext {
+    
+    if (self.operation == UINavigationControllerOperationPush) {
+        
+        [self push:transitionContext];
+        
+    }else if (self.operation == UINavigationControllerOperationPop) {
+        
+        [self pop:transitionContext];
+        
+    }else{}
+}
+
+- (void)push:(id<UIViewControllerContextTransitioning>)transitionContext {
+    
+    UIViewController *to = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
+    
+    UIViewController *from = [transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
+    
+    UIView *containerView = [transitionContext containerView];
+    
+    UIView *fromView = (from.ATTarget != nil ? from.ATTarget : from.view);
+    
+    CGRect rect = [fromView convertRect:fromView.bounds toView:containerView];
+    
+    contentView = [self GetImageView:[self screenCapture:to.view]];
+    
+    contentView.frame = rect;
+    
+    if (fromView.layer.cornerRadius > 0.0) {
+        
+        contentView.layer.cornerRadius = fromView.layer.cornerRadius;
+        
+        contentView.layer.masksToBounds = YES;
+    }
+    
+    [containerView addSubview:contentView];
+    
+    
+    UIImageView *coverView = [self GetImageView: [self screenCapture:fromView]];
+    
+    coverView.tag = DZM_TAG_COVER;
+    
+    coverView.frame = CGRectMake(rect.origin.x - (rect.size.width / 2), rect.origin.y, rect.size.width, rect.size.height);
+    
+    [containerView addSubview:coverView];
+    
+    coverView.layer.anchorPoint = CGPointMake(0, 0.5);
+    
+    coverView.opaque = YES;
+    
+    coverImage = coverView.image;
+    
+    CATransform3D transform = CATransform3DMakeRotation(- M_PI_2 , 0.0, 1.0, 0.0);
+    
+    transform.m34 = 1.0f / 500.0f;
+    
+    [UIView animateWithDuration:[self transitionDuration:transitionContext] delay:0.0f options:UIViewAnimationOptionCurveEaseInOut animations:^{
+        
+        coverView.frame = to.view.bounds;
+        
+        self->contentView.frame = to.view.bounds;
+        
+        coverView.layer.transform = transform;
+        
+    } completion:^(BOOL finished) {
+        
+        coverView.image = nil;
+        
+        coverView.hidden = YES;
+        
+        [self->contentView removeFromSuperview];
+        
+        [containerView addSubview:to.view];
+        
+        [transitionContext completeTransition:YES];
+    }];
+    
+}
+
+- (void)pop:(id<UIViewControllerContextTransitioning>)transitionContext {
+    
+    UIViewController *to = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
+    
+    UIViewController *from = [transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
+    
+    UIView *containerView = [transitionContext containerView];
+    
+    [containerView addSubview:to.view];
+    
+    contentView = [self GetImageView:[self screenCapture:from.view]];
+    
+    contentView.frame = from.view.bounds;
+    
+    [containerView addSubview:contentView];
+    
+    
+    UIImageView *coverView = [containerView viewWithTag:DZM_TAG_COVER];
+    
+    coverView.image = coverImage;
+    
+    coverView.hidden = NO;
+    
+    [containerView addSubview:coverView];
+    
+    
+    CATransform3D transform = CATransform3DMakeRotation(0.0, 0.0, 1.0, 0.0);
+    
+    transform.m34 = 1.0f / 500.0f;
+    
+    CGFloat book_width = BOOK_WIDTH;
+    CGFloat book_height = BOOK_HEIGHT;
+    
+    [UIView animateWithDuration:[self transitionDuration:transitionContext]  delay:0.0f options:UIViewAnimationOptionBeginFromCurrentState | UIViewAnimationOptionShowHideTransitionViews animations:^{
+        
+        self->contentView.frame = CGRectMake(kHalfMargin, (kGeometricHeight(SCREEN_WIDTH, 3, 1) + kLabelHeight + kMargin + kQuarterMargin + PUB_NAVBAR_HEIGHT), book_width, book_height);
+        
+        coverView.frame = CGRectMake(kHalfMargin, (kGeometricHeight(SCREEN_WIDTH, 3, 1) + kLabelHeight + kMargin + kQuarterMargin + PUB_NAVBAR_HEIGHT), book_width, book_height);
+        
+        coverView.layer.transform = transform;
+        
+    } completion:^(BOOL finished) {
+        
+        [coverView removeFromSuperview];
+        
+        [self->contentView removeFromSuperview];
+        
+        [transitionContext completeTransition:YES];
+    }];
+    
+}
+
+- (UIImageView *)GetImageView:(UIImage *)image {
+    
+    UIImageView *imageView = [[UIImageView alloc] init];
+    
+    imageView.image = image;
+    
+    return imageView;
+}
+
+- (nullable UIImage *)screenCapture:(nullable UIView *)target {
+    
+    if (!target) { return nil; }
+    
+    UIGraphicsBeginImageContextWithOptions(target.frame.size, NO, 0.0);
+    
+    [target.layer renderInContext: UIGraphicsGetCurrentContext()];
+    
+    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
+    
+    UIGraphicsEndImageContext();
+    
+    return image;
+}
+
+@end
+