Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

79 lines
3.2 KiB
Objective-C

//
// ASYogaUtilities.h
// Texture
//
// Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASAvailability.h>
#if YOGA /* YOGA */
#import <AsyncDisplayKit/ASLayout.h>
#import <AsyncDisplayKit/ASLog.h>
#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
// Should pass a string literal, not an NSString as the first argument to ASYogaLog
#define ASYogaLog(x, ...) as_log_verbose(ASLayoutLog(), x, ##__VA_ARGS__);
@interface ASDisplayNode (YogaHelpers)
+ (ASDisplayNode *)yogaNode;
+ (ASDisplayNode *)yogaSpacerNode;
+ (ASDisplayNode *)yogaVerticalStack;
+ (ASDisplayNode *)yogaHorizontalStack;
@end
// pre-order, depth-first
AS_EXTERN void ASDisplayNodePerformBlockOnEveryYogaChild(ASDisplayNode *node, void(^block)(ASDisplayNode *node));
#pragma mark - Yoga Type Conversion Helpers
AS_EXTERN YGAlign yogaAlignItems(ASStackLayoutAlignItems alignItems);
AS_EXTERN YGJustify yogaJustifyContent(ASStackLayoutJustifyContent justifyContent);
AS_EXTERN YGAlign yogaAlignSelf(ASStackLayoutAlignSelf alignSelf);
AS_EXTERN YGFlexDirection yogaFlexDirection(ASStackLayoutDirection direction);
AS_EXTERN float yogaFloatForCGFloat(CGFloat value);
AS_EXTERN float yogaDimensionToPoints(ASDimension dimension);
AS_EXTERN float yogaDimensionToPercent(ASDimension dimension);
AS_EXTERN ASDimension dimensionForEdgeWithEdgeInsets(YGEdge edge, ASEdgeInsets insets);
AS_EXTERN void ASLayoutElementYogaUpdateMeasureFunc(YGNodeRef yogaNode, id <ASLayoutElement> layoutElement);
AS_EXTERN float ASLayoutElementYogaBaselineFunc(YGNodeRef yogaNode, const float width, const float height);
AS_EXTERN YGSize ASLayoutElementYogaMeasureFunc(YGNodeRef yogaNode,
float width, YGMeasureMode widthMode,
float height, YGMeasureMode heightMode);
#pragma mark - Yoga Style Setter Helpers
#define YGNODE_STYLE_SET_DIMENSION(yogaNode, property, dimension) \
if (dimension.unit == ASDimensionUnitPoints) { \
YGNodeStyleSet##property(yogaNode, yogaDimensionToPoints(dimension)); \
} else if (dimension.unit == ASDimensionUnitFraction) { \
YGNodeStyleSet##property##Percent(yogaNode, yogaDimensionToPercent(dimension)); \
} else { \
YGNodeStyleSet##property(yogaNode, YGUndefined); \
}\
#define YGNODE_STYLE_SET_DIMENSION_WITH_EDGE(yogaNode, property, dimension, edge) \
if (dimension.unit == ASDimensionUnitPoints) { \
YGNodeStyleSet##property(yogaNode, edge, yogaDimensionToPoints(dimension)); \
} else if (dimension.unit == ASDimensionUnitFraction) { \
YGNodeStyleSet##property##Percent(yogaNode, edge, yogaDimensionToPercent(dimension)); \
} else { \
YGNodeStyleSet##property(yogaNode, edge, YGUndefined); \
} \
#define YGNODE_STYLE_SET_FLOAT_WITH_EDGE(yogaNode, property, dimension, edge) \
if (dimension.unit == ASDimensionUnitPoints) { \
YGNodeStyleSet##property(yogaNode, edge, yogaDimensionToPoints(dimension)); \
} else if (dimension.unit == ASDimensionUnitFraction) { \
ASDisplayNodeAssert(NO, @"Unexpected Fraction value in applying ##property## values to YGNode"); \
} else { \
YGNodeStyleSet##property(yogaNode, edge, YGUndefined); \
} \
#endif /* YOGA */