Swiftgram/Source/Debug/AsyncDisplayKit+Debug.h
Garrett Moon 8013e25524 Update license v2 (#67)
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2017-04-24 16:59:57 -07:00

62 lines
2.4 KiB
Objective-C

//
// AsyncDisplayKit+Debug.h
// Texture
//
// 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 /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASControlNode.h>
#import <AsyncDisplayKit/ASImageNode.h>
NS_ASSUME_NONNULL_BEGIN
@interface ASImageNode (Debugging)
/**
* Enables an ASImageNode debug label that shows the ratio of pixels in the source image to those in
* the displayed bounds (including cropRect). This helps detect excessive image fetching / downscaling,
* as well as upscaling (such as providing a URL not suitable for a Retina device). For dev purposes only.
* Specify YES to show the label on all ASImageNodes with non-1.0x source-to-bounds pixel ratio.
*/
@property (class, nonatomic) BOOL shouldShowImageScalingOverlay;
@end
@interface ASControlNode (Debugging)
/**
* Class method to enable a visualization overlay of the tappable area on the ASControlNode. For app debugging purposes only.
* NOTE: GESTURE RECOGNIZERS, (including tap gesture recognizers on a control node) WILL NOT BE VISUALIZED!!!
* Overlay = translucent GREEN color,
* edges that are clipped by the tappable area of any parent (their bounds + hitTestSlop) in the hierarchy = DARK GREEN BORDERED EDGE,
* edges that are clipped by clipToBounds = YES of any parent in the hierarchy = ORANGE BORDERED EDGE (may still receive touches beyond
* overlay rect, but can't be visualized).
* Specify YES to make this debug feature enabled when messaging the ASControlNode class.
*/
@property (class, nonatomic) BOOL enableHitTestDebug;
@end
@interface ASDisplayNode (RangeDebugging)
/**
* Enable a visualization overlay of the all table/collection tuning parameters. For dev purposes only.
* To use, set this in the AppDelegate --> ASDisplayNode.shouldShowRangeDebugOverlay = YES
*/
@property (class, nonatomic) BOOL shouldShowRangeDebugOverlay;
@end
NS_ASSUME_NONNULL_END