// // AsyncDisplayKit+Debug.h // AsyncDisplayKit // // Created by Hannah Troisi on 3/7/16. // // 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 #import 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