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55 lines
1.9 KiB
Objective-C
55 lines
1.9 KiB
Objective-C
//
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// CGRect+ASConvenience.h
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// AsyncDisplayKit
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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 root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#import <Foundation/Foundation.h>
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#import <CoreGraphics/CoreGraphics.h>
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#import "ASBaseDefines.h"
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#import "ASLayoutController.h"
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#include "tgmath.h"
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#ifndef CGFLOAT_EPSILON
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#if CGFLOAT_IS_DOUBLE
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#define CGFLOAT_EPSILON DBL_EPSILON
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#else
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#define CGFLOAT_EPSILON FLT_EPSILON
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#endif
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#endif
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NS_ASSUME_NONNULL_BEGIN
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ASDISPLAYNODE_EXTERN_C_BEGIN
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ASDISPLAYNODE_INLINE BOOL CGSizeEqualToSizeWithIn(CGSize size1, CGSize size2, CGFloat delta)
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{
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return fabs(size1.width - size2.width) < delta && fabs(size1.height - size2.height) < delta;
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};
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struct ASDirectionalScreenfulBuffer {
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CGFloat positiveDirection; // Positive relative to iOS Core Animation layer coordinate space.
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CGFloat negativeDirection;
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};
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typedef struct ASDirectionalScreenfulBuffer ASDirectionalScreenfulBuffer;
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ASDirectionalScreenfulBuffer ASDirectionalScreenfulBufferHorizontal(ASScrollDirection scrollDirection,
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ASRangeTuningParameters rangeTuningParameters);
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ASDirectionalScreenfulBuffer ASDirectionalScreenfulBufferVertical(ASScrollDirection scrollDirection,
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ASRangeTuningParameters rangeTuningParameters);
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CGRect CGRectExpandToRangeWithScrollableDirections(CGRect rect,
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ASRangeTuningParameters tuningParameters,
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ASScrollDirection scrollableDirections,
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ASScrollDirection scrollDirection);
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ASDISPLAYNODE_EXTERN_C_END
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NS_ASSUME_NONNULL_END
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