76 lines
2.3 KiB
Objective-C
76 lines
2.3 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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 <UIKit/UIKit.h>
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#import <React/RCTDefines.h>
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#import <yoga/Yoga.h>
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NS_ASSUME_NONNULL_BEGIN
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@class RCTShadowView;
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typedef NS_ENUM(NSInteger, RCTDisplayType) {
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RCTDisplayTypeNone,
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RCTDisplayTypeFlex,
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RCTDisplayTypeInline,
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};
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struct RCTLayoutMetrics {
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CGRect frame;
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CGRect contentFrame;
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UIEdgeInsets borderWidth;
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RCTDisplayType displayType;
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UIUserInterfaceLayoutDirection layoutDirection;
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};
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typedef struct CG_BOXABLE RCTLayoutMetrics RCTLayoutMetrics;
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struct RCTLayoutContext {
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CGPoint absolutePosition;
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__unsafe_unretained NSHashTable<RCTShadowView *> *_Nonnull affectedShadowViews;
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__unsafe_unretained NSHashTable<NSString *> *_Nonnull other;
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};
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typedef struct CG_BOXABLE RCTLayoutContext RCTLayoutContext;
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static inline BOOL RCTLayoutMetricsEqualToLayoutMetrics(RCTLayoutMetrics a, RCTLayoutMetrics b)
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{
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return
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CGRectEqualToRect(a.frame, b.frame) &&
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CGRectEqualToRect(a.contentFrame, b.contentFrame) &&
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UIEdgeInsetsEqualToEdgeInsets(a.borderWidth, b.borderWidth) &&
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a.displayType == b.displayType &&
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a.layoutDirection == b.layoutDirection;
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}
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RCT_EXTERN RCTLayoutMetrics RCTLayoutMetricsFromYogaNode(YGNodeRef yogaNode);
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/**
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* Converts float values between Yoga and CoreGraphics representations,
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* especially in terms of edge cases.
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*/
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RCT_EXTERN float RCTYogaFloatFromCoreGraphicsFloat(CGFloat value);
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RCT_EXTERN CGFloat RCTCoreGraphicsFloatFromYogaFloat(float value);
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/**
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* Converts compound `YGValue` to simple `CGFloat` value.
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*/
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RCT_EXTERN CGFloat RCTCoreGraphicsFloatFromYogaValue(YGValue value, CGFloat baseFloatValue);
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/**
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* Converts `YGDirection` to `UIUserInterfaceLayoutDirection` and vise versa.
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*/
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RCT_EXTERN YGDirection RCTYogaLayoutDirectionFromUIKitLayoutDirection(UIUserInterfaceLayoutDirection direction);
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RCT_EXTERN UIUserInterfaceLayoutDirection RCTUIKitLayoutDirectionFromYogaLayoutDirection(YGDirection direction);
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/**
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* Converts `YGDisplay` to `RCTDisplayType` and vise versa.
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*/
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RCT_EXTERN YGDisplay RCTYogaDisplayTypeFromReactDisplayType(RCTDisplayType displayType);
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RCT_EXTERN RCTDisplayType RCTReactDisplayTypeFromYogaDisplayType(YGDisplay displayType);
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NS_ASSUME_NONNULL_END
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