appleguy 465abb1ded [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses). (#1077)
* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses)

With permission of the Facebook Open Source team, we are simplifying the Texture
license so that clients can rely on the Apache 2 terms that most of Texture is
already covered by. This means that code originally forked from AsyncDisplayKit
will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a
PATENTS file.

After getting confirmation that the updates to these core files look good, we'll
propagate this new license header to all files (in this same PR) and get sign-off
from all parties before landing.

* [License] Update all Texture source files to be pure Apache 2.

* Changelog entry for Apache 2 license update.

* Revert "[License] Update all Texture source files to be pure Apache 2."

This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b.

* [License] Update all Texture source files to be pure Apache 2, maintaining copyrights.

* [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
2018-08-28 07:39:18 -07:00

78 lines
3.1 KiB
Objective-C

//
// ASTextLine.h
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: 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>
#import <AsyncDisplayKit/ASTextAttribute.h>
@class ASTextRunGlyphRange;
NS_ASSUME_NONNULL_BEGIN
/**
A text line object wrapped `CTLineRef`, see `ASTextLayout` for more.
*/
@interface ASTextLine : NSObject
+ (instancetype)lineWithCTLine:(CTLineRef)CTLine position:(CGPoint)position vertical:(BOOL)isVertical NS_RETURNS_RETAINED;
@property (nonatomic) NSUInteger index; ///< line index
@property (nonatomic) NSUInteger row; ///< line row
@property (nullable, nonatomic) NSArray<NSArray<ASTextRunGlyphRange *> *> *verticalRotateRange; ///< Run rotate range
@property (nonatomic, readonly) CTLineRef CTLine; ///< CoreText line
@property (nonatomic, readonly) NSRange range; ///< string range
@property (nonatomic, readonly) BOOL vertical; ///< vertical form
@property (nonatomic, readonly) CGRect bounds; ///< bounds (ascent + descent)
@property (nonatomic, readonly) CGSize size; ///< bounds.size
@property (nonatomic, readonly) CGFloat width; ///< bounds.size.width
@property (nonatomic, readonly) CGFloat height; ///< bounds.size.height
@property (nonatomic, readonly) CGFloat top; ///< bounds.origin.y
@property (nonatomic, readonly) CGFloat bottom; ///< bounds.origin.y + bounds.size.height
@property (nonatomic, readonly) CGFloat left; ///< bounds.origin.x
@property (nonatomic, readonly) CGFloat right; ///< bounds.origin.x + bounds.size.width
@property (nonatomic) CGPoint position; ///< baseline position
@property (nonatomic, readonly) CGFloat ascent; ///< line ascent
@property (nonatomic, readonly) CGFloat descent; ///< line descent
@property (nonatomic, readonly) CGFloat leading; ///< line leading
@property (nonatomic, readonly) CGFloat lineWidth; ///< line width
@property (nonatomic, readonly) CGFloat trailingWhitespaceWidth;
@property (nullable, nonatomic, readonly) NSArray<ASTextAttachment *> *attachments; ///< ASTextAttachment
@property (nullable, nonatomic, readonly) NSArray<NSValue *> *attachmentRanges; ///< NSRange(NSValue)
@property (nullable, nonatomic, readonly) NSArray<NSValue *> *attachmentRects; ///< CGRect(NSValue)
@end
typedef NS_ENUM(NSUInteger, ASTextRunGlyphDrawMode) {
/// No rotate.
ASTextRunGlyphDrawModeHorizontal = 0,
/// Rotate vertical for single glyph.
ASTextRunGlyphDrawModeVerticalRotate = 1,
/// Rotate vertical for single glyph, and move the glyph to a better position,
/// such as fullwidth punctuation.
ASTextRunGlyphDrawModeVerticalRotateMove = 2,
};
/**
A range in CTRun, used for vertical form.
*/
@interface ASTextRunGlyphRange : NSObject
@property (nonatomic) NSRange glyphRangeInRun;
@property (nonatomic) ASTextRunGlyphDrawMode drawMode;
+ (instancetype)rangeWithRange:(NSRange)range drawMode:(ASTextRunGlyphDrawMode)mode NS_RETURNS_RETAINED;
@end
NS_ASSUME_NONNULL_END