56 lines
1.8 KiB
Objective-C
56 lines
1.8 KiB
Objective-C
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTUIUtils.h"
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#import "RCTUtils.h"
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RCTDimensions RCTGetDimensions(CGFloat fontScale)
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{
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UIScreen *mainScreen = UIScreen.mainScreen;
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CGSize screenSize = mainScreen.bounds.size;
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UIView *mainWindow;
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mainWindow = RCTKeyWindow();
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CGSize windowSize = mainWindow.bounds.size;
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RCTDimensions result;
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typeof(result.screen) dimsScreen = {
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.width = screenSize.width, .height = screenSize.height, .scale = mainScreen.scale, .fontScale = fontScale};
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typeof(result.window) dimsWindow = {
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.width = windowSize.width, .height = windowSize.height, .scale = mainScreen.scale, .fontScale = fontScale};
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result.screen = dimsScreen;
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result.window = dimsWindow;
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return result;
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}
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CGFloat RCTGetMultiplierForContentSizeCategory(UIContentSizeCategory category)
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{
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static NSDictionary<NSString *, NSNumber *> *multipliers = nil;
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static dispatch_once_t token;
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dispatch_once(&token, ^{
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multipliers = @{
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UIContentSizeCategoryExtraSmall : @0.823,
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UIContentSizeCategorySmall : @0.882,
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UIContentSizeCategoryMedium : @0.941,
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UIContentSizeCategoryLarge : @1.0,
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UIContentSizeCategoryExtraLarge : @1.118,
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UIContentSizeCategoryExtraExtraLarge : @1.235,
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UIContentSizeCategoryExtraExtraExtraLarge : @1.353,
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UIContentSizeCategoryAccessibilityMedium : @1.786,
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UIContentSizeCategoryAccessibilityLarge : @2.143,
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UIContentSizeCategoryAccessibilityExtraLarge : @2.643,
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UIContentSizeCategoryAccessibilityExtraExtraLarge : @3.143,
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UIContentSizeCategoryAccessibilityExtraExtraExtraLarge : @3.571
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};
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});
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double value = multipliers[category].doubleValue;
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return value > 0.0 ? value : 1.0;
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}
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