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Add aspectRatio style property

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Summary: Implement aspect ratio as part of Yoga. Aspect ratio allows users of the library to specify the size of the undefined dimension in terms of an aspect ratio. See test cases for examples.

Reviewed By: gkassabli

Differential Revision: D4211458

fbshipit-source-id: f8d0d318369c7b529ee29e61a52b17d0cf3b396d
This commit is contained in:
Emil Sjolander
2016-11-21 10:12:26 -08:00
committed by Facebook Github Bot
parent b16c22a8f3
commit 55fc795686
9 changed files with 507 additions and 0 deletions
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9
CSSLayout/CSSLayout.h
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@@ -149,6 +149,15 @@ CSS_NODE_STYLE_PROPERTY(float, MinHeight, minHeight);
CSS_NODE_STYLE_PROPERTY(float, MaxWidth, maxWidth);
CSS_NODE_STYLE_PROPERTY(float, MaxHeight, maxHeight);
// Yoga specific properties, not compatible with flexbox specification
// Aspect ratio control the size of the undefined dimension of a node.
// - On a node with a set width/height aspect ratio control the size of the unset dimension
// - On a node with a set flex basis aspect ratio controls the size of the node in the cross axis if unset
// - On a node with a measure function aspect ratio works as though the measure function measures the flex basis
// - On a node with flex grow/shrink aspect ratio controls the size of the node in the cross axis if unset
// - Aspect ratio takes min/max dimensions into account
CSS_NODE_STYLE_PROPERTY(float, AspectRatio, aspectRatio);
CSS_NODE_LAYOUT_PROPERTY(float, Left);
CSS_NODE_LAYOUT_PROPERTY(float, Top);
CSS_NODE_LAYOUT_PROPERTY(float, Right);