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Fixing the issue with node dimensions rounding in Yoga 

Reviewed By: emilsjolander

Differential Revision: D5406211

fbshipit-source-id: df1d54ed0805dfc3abbd8f0ceae30f6d8c26d61a
This commit is contained in:
Georgiy Kassabli 2017-07-12 09:27:51 -07:00 committed by Facebook Github Bot
parent 9f87728f5d
commit 820026f69b
1 changed files with 6 additions and 2 deletions
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8
ReactCommon/yoga/yoga/Yoga.c
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@ -3474,8 +3474,12 @@ static void YGRoundToPixelGrid(const YGNodeRef node,
node->layout.position[YGEdgeTop] = node->layout.position[YGEdgeTop] =
YGRoundValueToPixelGrid(nodeTop, pointScaleFactor, false, textRounding); YGRoundValueToPixelGrid(nodeTop, pointScaleFactor, false, textRounding);
const bool hasFractionalWidth = !YGFloatsEqual(fmodf(nodeWidth, 1 / pointScaleFactor), 0); // We multiply dimension by scale factor and if the result is close to the whole number, we don't have any fraction
const bool hasFractionalHeight = !YGFloatsEqual(fmodf(nodeHeight, 1 / pointScaleFactor), 0); // To verify if the result is close to whole number we want to check both floor and ceil numbers
const bool hasFractionalWidth = !YGFloatsEqual(fmodf(nodeWidth * pointScaleFactor, 1.0), 0) &&
!YGFloatsEqual(fmodf(nodeWidth * pointScaleFactor, 1.0), 1.0);
const bool hasFractionalHeight = !YGFloatsEqual(fmodf(nodeHeight * pointScaleFactor, 1.0), 0) &&
!YGFloatsEqual(fmodf(nodeHeight * pointScaleFactor, 1.0), 1.0);
node->layout.dimensions[YGDimensionWidth] = node->layout.dimensions[YGDimensionWidth] =
YGRoundValueToPixelGrid( YGRoundValueToPixelGrid(