Swiftgram/AsyncDisplayKit/Details/CoreGraphics+ASConvenience.h
Michael Schneider 6f2c7caac3 [Layout] Improve ASDimensionMake via NSString (#2351)
* Improve ASDimensionMake via NSString

- ASXCTAssertEqualDimensions
- Add support for "auto"
- Assert if given an empty or invalid string

* Address comments

* Add ASCGFloatFromString and ASCGFloatFromNumber

* Rename CGRect+ASConvenience to CoreGraphics+ASConvenience
2016-10-06 16:29:33 -07:00

73 lines
2.2 KiB
Objective-C

//
// CGRect+ASConvenience.h
// AsyncDisplayKit
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#import <Foundation/Foundation.h>
#import <CoreGraphics/CoreGraphics.h>
#import "ASBaseDefines.h"
#import "ASLayoutController.h"
#include "tgmath.h"
#ifndef CGFLOAT_EPSILON
#if CGFLOAT_IS_DOUBLE
#define CGFLOAT_EPSILON DBL_EPSILON
#else
#define CGFLOAT_EPSILON FLT_EPSILON
#endif
#endif
NS_ASSUME_NONNULL_BEGIN
ASDISPLAYNODE_EXTERN_C_BEGIN
ASDISPLAYNODE_INLINE CGFloat ASCGFloatFromString(NSString *string)
{
#if CGFLOAT_IS_DOUBLE
return string.doubleValue;
#else
return string.floatValue;
#endif
}
ASDISPLAYNODE_INLINE CGFloat ASCGFloatFromNumber(NSNumber *number)
{
#if CGFLOAT_IS_DOUBLE
return number.doubleValue;
#else
return number.floatValue;
#endif
}
ASDISPLAYNODE_INLINE BOOL CGSizeEqualToSizeWithIn(CGSize size1, CGSize size2, CGFloat delta)
{
return fabs(size1.width - size2.width) < delta && fabs(size1.height - size2.height) < delta;
};
struct ASDirectionalScreenfulBuffer {
CGFloat positiveDirection; // Positive relative to iOS Core Animation layer coordinate space.
CGFloat negativeDirection;
};
typedef struct ASDirectionalScreenfulBuffer ASDirectionalScreenfulBuffer;
ASDirectionalScreenfulBuffer ASDirectionalScreenfulBufferHorizontal(ASScrollDirection scrollDirection,
ASRangeTuningParameters rangeTuningParameters);
ASDirectionalScreenfulBuffer ASDirectionalScreenfulBufferVertical(ASScrollDirection scrollDirection,
ASRangeTuningParameters rangeTuningParameters);
CGRect CGRectExpandToRangeWithScrollableDirections(CGRect rect,
ASRangeTuningParameters tuningParameters,
ASScrollDirection scrollableDirections,
ASScrollDirection scrollDirection);
ASDISPLAYNODE_EXTERN_C_END
NS_ASSUME_NONNULL_END