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46 lines
1.8 KiB
Objective-C
46 lines
1.8 KiB
Objective-C
//
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// ASScrollDirection.h
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <Foundation/Foundation.h>
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#import <CoreGraphics/CGAffineTransform.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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typedef NS_OPTIONS(NSInteger, ASScrollDirection) {
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ASScrollDirectionNone = 0,
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ASScrollDirectionRight = 1 << 0,
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ASScrollDirectionLeft = 1 << 1,
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ASScrollDirectionUp = 1 << 2,
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ASScrollDirectionDown = 1 << 3
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};
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AS_EXTERN const ASScrollDirection ASScrollDirectionHorizontalDirections;
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AS_EXTERN const ASScrollDirection ASScrollDirectionVerticalDirections;
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AS_EXTERN BOOL ASScrollDirectionContainsVerticalDirection(ASScrollDirection scrollDirection);
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AS_EXTERN BOOL ASScrollDirectionContainsHorizontalDirection(ASScrollDirection scrollDirection);
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AS_EXTERN BOOL ASScrollDirectionContainsRight(ASScrollDirection scrollDirection);
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AS_EXTERN BOOL ASScrollDirectionContainsLeft(ASScrollDirection scrollDirection);
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AS_EXTERN BOOL ASScrollDirectionContainsUp(ASScrollDirection scrollDirection);
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AS_EXTERN BOOL ASScrollDirectionContainsDown(ASScrollDirection scrollDirection);
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AS_EXTERN ASScrollDirection ASScrollDirectionApplyTransform(ASScrollDirection scrollDirection, CGAffineTransform transform);
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NS_ASSUME_NONNULL_END
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