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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
79 lines
3.2 KiB
Objective-C
79 lines
3.2 KiB
Objective-C
//
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// ASYogaUtilities.h
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// Texture
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//
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// 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 <AsyncDisplayKit/ASAvailability.h>
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#if YOGA /* YOGA */
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#import <AsyncDisplayKit/ASLayout.h>
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#import <AsyncDisplayKit/ASLog.h>
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#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
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// Should pass a string literal, not an NSString as the first argument to ASYogaLog
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#define ASYogaLog(x, ...) as_log_verbose(ASLayoutLog(), x, ##__VA_ARGS__);
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@interface ASDisplayNode (YogaHelpers)
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+ (ASDisplayNode *)yogaNode;
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+ (ASDisplayNode *)yogaSpacerNode;
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+ (ASDisplayNode *)yogaVerticalStack;
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+ (ASDisplayNode *)yogaHorizontalStack;
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@end
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// pre-order, depth-first
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AS_EXTERN void ASDisplayNodePerformBlockOnEveryYogaChild(ASDisplayNode *node, void(^block)(ASDisplayNode *node));
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#pragma mark - Yoga Type Conversion Helpers
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AS_EXTERN YGAlign yogaAlignItems(ASStackLayoutAlignItems alignItems);
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AS_EXTERN YGJustify yogaJustifyContent(ASStackLayoutJustifyContent justifyContent);
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AS_EXTERN YGAlign yogaAlignSelf(ASStackLayoutAlignSelf alignSelf);
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AS_EXTERN YGFlexDirection yogaFlexDirection(ASStackLayoutDirection direction);
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AS_EXTERN float yogaFloatForCGFloat(CGFloat value);
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AS_EXTERN float yogaDimensionToPoints(ASDimension dimension);
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AS_EXTERN float yogaDimensionToPercent(ASDimension dimension);
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AS_EXTERN ASDimension dimensionForEdgeWithEdgeInsets(YGEdge edge, ASEdgeInsets insets);
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AS_EXTERN void ASLayoutElementYogaUpdateMeasureFunc(YGNodeRef yogaNode, id <ASLayoutElement> layoutElement);
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AS_EXTERN float ASLayoutElementYogaBaselineFunc(YGNodeRef yogaNode, const float width, const float height);
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AS_EXTERN YGSize ASLayoutElementYogaMeasureFunc(YGNodeRef yogaNode,
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float width, YGMeasureMode widthMode,
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float height, YGMeasureMode heightMode);
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#pragma mark - Yoga Style Setter Helpers
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#define YGNODE_STYLE_SET_DIMENSION(yogaNode, property, dimension) \
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if (dimension.unit == ASDimensionUnitPoints) { \
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YGNodeStyleSet##property(yogaNode, yogaDimensionToPoints(dimension)); \
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} else if (dimension.unit == ASDimensionUnitFraction) { \
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YGNodeStyleSet##property##Percent(yogaNode, yogaDimensionToPercent(dimension)); \
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} else { \
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YGNodeStyleSet##property(yogaNode, YGUndefined); \
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}\
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#define YGNODE_STYLE_SET_DIMENSION_WITH_EDGE(yogaNode, property, dimension, edge) \
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if (dimension.unit == ASDimensionUnitPoints) { \
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YGNodeStyleSet##property(yogaNode, edge, yogaDimensionToPoints(dimension)); \
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} else if (dimension.unit == ASDimensionUnitFraction) { \
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YGNodeStyleSet##property##Percent(yogaNode, edge, yogaDimensionToPercent(dimension)); \
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} else { \
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YGNodeStyleSet##property(yogaNode, edge, YGUndefined); \
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} \
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#define YGNODE_STYLE_SET_FLOAT_WITH_EDGE(yogaNode, property, dimension, edge) \
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if (dimension.unit == ASDimensionUnitPoints) { \
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YGNodeStyleSet##property(yogaNode, edge, yogaDimensionToPoints(dimension)); \
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} else if (dimension.unit == ASDimensionUnitFraction) { \
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ASDisplayNodeAssert(NO, @"Unexpected Fraction value in applying ##property## values to YGNode"); \
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} else { \
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YGNodeStyleSet##property(yogaNode, edge, YGUndefined); \
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} \
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#endif /* YOGA */
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