Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'

git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0e
git-subtree-split: 02bedc1281

submodules/AsyncDisplayKit/Source/Private/TextExperiment/String/ASTextRunDelegate.h

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+//
+//  ASTextRunDelegate.h
+//  Texture
+//
+//  Copyright (c) Pinterest, Inc.  All rights reserved.
+//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
+//
+
+#import <UIKit/UIKit.h>
+#import <CoreText/CoreText.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ Wrapper for CTRunDelegateRef.
+ 
+ Example:
+ 
+ ASTextRunDelegate *delegate = [ASTextRunDelegate new];
+ delegate.ascent = 20;
+ delegate.descent = 4;
+ delegate.width = 20;
+ CTRunDelegateRef ctRunDelegate = delegate.CTRunDelegate;
+ if (ctRunDelegate) {
+   /// add to attributed string
+   CFRelease(ctRunDelegate);
+ }
+ 
+ */
+@interface ASTextRunDelegate : NSObject <NSCopying, NSCoding>
+
+/**
+ Creates and returns the CTRunDelegate.
+ 
+ @discussion You need call CFRelease() after used.
+ The CTRunDelegateRef has a strong reference to this ASTextRunDelegate object.
+ In CoreText, use CTRunDelegateGetRefCon() to get this ASTextRunDelegate object.
+ 
+ @return The CTRunDelegate object.
+ */
+- (nullable CTRunDelegateRef)CTRunDelegate CF_RETURNS_RETAINED;
+
+/**
+ Additional information about the the run delegate.
+ */
+@property (nullable, nonatomic) NSDictionary *userInfo;
+
+/**
+ The typographic ascent of glyphs in the run.
+ */
+@property (nonatomic) CGFloat ascent;
+
+/**
+ The typographic descent of glyphs in the run.
+ */
+@property (nonatomic) CGFloat descent;
+
+/**
+ The typographic width of glyphs in the run.
+ */
+@property (nonatomic) CGFloat width;
+
+@end
+
+NS_ASSUME_NONNULL_END