二手车信息

Pods/TYCyclePagerView/TYCyclePagerViewDemo/TYCyclePagerView/TYCyclePagerTransformLayout.h

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+//
+//  TYCyclePagerViewLayout.h
+//  TYCyclePagerViewDemo
+//
+//  Created by tany on 2017/6/19.
+//  Copyright © 2017年 tany. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef NS_ENUM(NSUInteger, TYCyclePagerTransformLayoutType) {
+    TYCyclePagerTransformLayoutNormal,
+    TYCyclePagerTransformLayoutLinear,
+    TYCyclePagerTransformLayoutCoverflow,
+};
+
+@class TYCyclePagerTransformLayout;
+@protocol TYCyclePagerTransformLayoutDelegate <NSObject>
+
+// initialize layout attributes
+- (void)pagerViewTransformLayout:(TYCyclePagerTransformLayout *)pagerViewTransformLayout initializeTransformAttributes:(UICollectionViewLayoutAttributes *)attributes;
+
+// apply layout attributes
+- (void)pagerViewTransformLayout:(TYCyclePagerTransformLayout *)pagerViewTransformLayout applyTransformToAttributes:(UICollectionViewLayoutAttributes *)attributes;
+
+@end
+
+
+@interface TYCyclePagerViewLayout : NSObject
+
+@property (nonatomic, assign) CGSize itemSize;
+@property (nonatomic, assign) CGFloat itemSpacing;
+@property (nonatomic, assign) UIEdgeInsets sectionInset;
+
+@property (nonatomic, assign) TYCyclePagerTransformLayoutType layoutType;
+
+@property (nonatomic, assign) CGFloat minimumScale; // sacle default 0.8
+@property (nonatomic, assign) CGFloat minimumAlpha; // alpha default 1.0
+@property (nonatomic, assign) CGFloat maximumAngle; // angle is % default 0.2
+
+@property (nonatomic, assign) BOOL isInfiniteLoop;  // infinte scroll
+@property (nonatomic, assign) CGFloat rateOfChange; // scale and angle change rate
+@property (nonatomic, assign) BOOL adjustSpacingWhenScroling; 
+
+/**
+ pageView cell item vertical centering
+ */
+@property (nonatomic, assign) BOOL itemVerticalCenter;
+
+/**
+ first and last item horizontalc enter, when isInfiniteLoop is NO
+ */
+@property (nonatomic, assign) BOOL itemHorizontalCenter;
+
+// sectionInset
+@property (nonatomic, assign, readonly) UIEdgeInsets onlyOneSectionInset;
+@property (nonatomic, assign, readonly) UIEdgeInsets firstSectionInset;
+@property (nonatomic, assign, readonly) UIEdgeInsets lastSectionInset;
+@property (nonatomic, assign, readonly) UIEdgeInsets middleSectionInset;
+
+@end
+
+
+@interface TYCyclePagerTransformLayout : UICollectionViewFlowLayout
+
+@property (nonatomic, strong) TYCyclePagerViewLayout *layout;
+
+@property (nonatomic, weak, nullable) id<TYCyclePagerTransformLayoutDelegate> delegate;
+
+@end
+
+NS_ASSUME_NONNULL_END