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* [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.
53 lines
1.9 KiB
Objective-C
53 lines
1.9 KiB
Objective-C
//
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// ASTextKitFontSizeAdjuster.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASTextKitAttributes.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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@class ASTextKitContext;
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AS_SUBCLASSING_RESTRICTED
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@interface ASTextKitFontSizeAdjuster : NSObject
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@property (nonatomic) CGSize constrainedSize;
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/**
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* Creates a class that will return a scale factor the will make a string fit inside the constrained size.
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*
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* "Fitting" means that both the longest word in the string will fit without breaking in the constrained
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* size's width AND that the entire string will try to fit within attribute's maximumLineCount. The amount
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* that the string will scale is based upon the attribute's pointSizeScaleFactors. If the string cannot fit
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* in the given width/number of lines, the smallest scale factor will be returned.
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*
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* @param context The text kit context
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* @param constrainedSize The constrained size to render into
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* @param textComponentAttributes The renderer's text attributes
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*/
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- (instancetype)initWithContext:(ASTextKitContext *)context
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constrainedSize:(CGSize)constrainedSize
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textKitAttributes:(const ASTextKitAttributes &)textComponentAttributes;
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/**
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* Returns the best fit scale factor for the text
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*/
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- (CGFloat)scaleFactor;
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/**
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* Takes all of the attributed string attributes dealing with size (font size, line spacing, kerning, etc) and
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* scales them by the scaleFactor. I wouldn't be surprised if I missed some in here.
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*/
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+ (void)adjustFontSizeForAttributeString:(NSMutableAttributedString *)attrString withScaleFactor:(CGFloat)scaleFactor;
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@end
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NS_ASSUME_NONNULL_END
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