Swiftgram/AsyncDisplayKit/Layout/ASRatioLayoutSpec.h
Huy Nguyen 2149d44990 Fix naming convetion:
- "Layout node" is changed to "layout spec".
- Update tests.
- Update Kittens sample.
2015-07-01 18:13:44 +07:00

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911 B
Objective-C

/*
* 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 <AsyncDisplayKit/ASLayoutSpec.h>
#import <AsyncDisplayKit/ASLayoutable.h>
/**
Ratio layout spec
For when the content should respect a certain inherent ratio but can be scaled (think photos or videos)
The ratio passed is the ratio of height / width you expect
For a ratio 0.5, the spec will have a flat rectangle shape
_ _ _ _
| |
|_ _ _ _|
For a ratio 2.0, the spec will be twice as tall as it is wide
_ _
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| |
| |
|_ _|
**/
@interface ASRatioLayoutSpec : ASLayoutSpec
+ (instancetype)newWithRatio:(CGFloat)ratio child:(id<ASLayoutable>)child;
@end