New file |
| | |
| | | // |
| | | // YYTextRunDelegate.h |
| | | // YYText <https://github.com/ibireme/YYText> |
| | | // |
| | | // Created by ibireme on 14/10/14. |
| | | // Copyright (c) 2015 ibireme. |
| | | // |
| | | // This source code is licensed under the MIT-style license found in the |
| | | // LICENSE file in the root directory of this source tree. |
| | | // |
| | | |
| | | #import <UIKit/UIKit.h> |
| | | #import <CoreText/CoreText.h> |
| | | |
| | | NS_ASSUME_NONNULL_BEGIN |
| | | |
| | | /** |
| | | Wrapper for CTRunDelegateRef. |
| | | |
| | | Example: |
| | | |
| | | YYTextRunDelegate *delegate = [YYTextRunDelegate new]; |
| | | delegate.ascent = 20; |
| | | delegate.descent = 4; |
| | | delegate.width = 20; |
| | | CTRunDelegateRef ctRunDelegate = delegate.CTRunDelegate; |
| | | if (ctRunDelegate) { |
| | | /// add to attributed string |
| | | CFRelease(ctRunDelegate); |
| | | } |
| | | |
| | | */ |
| | | @interface YYTextRunDelegate : NSObject <NSCopying, NSCoding> |
| | | |
| | | /** |
| | | Creates and returns the CTRunDelegate. |
| | | |
| | | @discussion You need call CFRelease() after used. |
| | | The CTRunDelegateRef has a strong reference to this YYTextRunDelegate object. |
| | | In CoreText, use CTRunDelegateGetRefCon() to get this YYTextRunDelegate object. |
| | | |
| | | @return The CTRunDelegate object. |
| | | */ |
| | | - (nullable CTRunDelegateRef)CTRunDelegate CF_RETURNS_RETAINED; |
| | | |
| | | /** |
| | | Additional information about the the run delegate. |
| | | */ |
| | | @property (nullable, nonatomic, strong) 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 |