2019-11-11 16:39:27 +04:00

38 lines
1.4 KiB
Objective-C

//
// ASScrollDirection.h
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <Foundation/Foundation.h>
#import <CoreGraphics/CGAffineTransform.h>
#import <AsyncDisplayKit/ASBaseDefines.h>
NS_ASSUME_NONNULL_BEGIN
typedef NS_OPTIONS(NSInteger, ASScrollDirection) {
ASScrollDirectionNone = 0,
ASScrollDirectionRight = 1 << 0,
ASScrollDirectionLeft = 1 << 1,
ASScrollDirectionUp = 1 << 2,
ASScrollDirectionDown = 1 << 3
};
AS_EXTERN const ASScrollDirection ASScrollDirectionHorizontalDirections;
AS_EXTERN const ASScrollDirection ASScrollDirectionVerticalDirections;
AS_EXTERN BOOL ASScrollDirectionContainsVerticalDirection(ASScrollDirection scrollDirection);
AS_EXTERN BOOL ASScrollDirectionContainsHorizontalDirection(ASScrollDirection scrollDirection);
AS_EXTERN BOOL ASScrollDirectionContainsRight(ASScrollDirection scrollDirection);
AS_EXTERN BOOL ASScrollDirectionContainsLeft(ASScrollDirection scrollDirection);
AS_EXTERN BOOL ASScrollDirectionContainsUp(ASScrollDirection scrollDirection);
AS_EXTERN BOOL ASScrollDirectionContainsDown(ASScrollDirection scrollDirection);
AS_EXTERN ASScrollDirection ASScrollDirectionApplyTransform(ASScrollDirection scrollDirection, CGAffineTransform transform);
NS_ASSUME_NONNULL_END