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default root node to size of parent contraints 

Reviewed By: dshahidehpour

Differential Revision: D4634616

fbshipit-source-id: 089eb4313c5bb810a6ff56f158cd19cec71808ec
This commit is contained in:
Emil Sjolander 2017-03-01 07:10:00 -08:00 committed by Facebook Github Bot
parent 6b738d1b2e
commit 23f2f5f239
2 changed files with 9 additions and 13 deletions
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10
React/Views/RCTRootShadowView.m
View File

@ -33,16 +33,6 @@
float availableWidth = _availableSize.width == INFINITY ? YGUndefined : _availableSize.width;
float availableHeight = _availableSize.height == INFINITY ? YGUndefined : _availableSize.height;
YGUnit widthUnit = YGNodeStyleGetWidth(self.yogaNode).unit;
if (widthUnit == YGUnitUndefined || widthUnit == YGUnitAuto) {
YGNodeStyleSetWidthPercent(self.yogaNode, 100);
}
YGUnit heightUnit = YGNodeStyleGetHeight(self.yogaNode).unit;
if (heightUnit == YGUnitUndefined || heightUnit == YGUnitAuto) {
YGNodeStyleSetHeightPercent(self.yogaNode, 100);
}
YGNodeCalculateLayout(self.yogaNode, availableWidth, availableHeight, _baseDirection);
NSMutableSet<RCTShadowView *> *viewsWithNewFrame = [NSMutableSet set];

12
ReactCommon/yoga/yoga/Yoga.c
View File

@ -3251,7 +3251,7 @@ static void YGRoundToPixelGrid(const YGNodeRef node) {
float fractialTop = fmodf(nodeTop, gPointScaleFactor);
float roundedLeft = nodeLeft - fractialLeft;
float roundedTop = nodeTop - fractialTop;
// To do the actual rounding we check if leftover fraction is bigger or equal than half of the grid step
if (fractialLeft >= gPointScaleFactor / 2.0) {
roundedLeft += gPointScaleFactor;
@ -3263,13 +3263,13 @@ static void YGRoundToPixelGrid(const YGNodeRef node) {
}
node->layout.position[YGEdgeLeft] = roundedLeft;
node->layout.position[YGEdgeTop] = roundedTop;
// Now we round width and height in the same way accounting for fractial leftovers from rounding position
const float adjustedWidth = fractialLeft + node->layout.dimensions[YGDimensionWidth];
const float adjustedHeight = fractialTop + node->layout.dimensions[YGDimensionHeight];
float roundedWidth = adjustedWidth - fmodf(adjustedWidth, gPointScaleFactor);
float roundedHeight = adjustedHeight - fmodf(adjustedHeight, gPointScaleFactor);
if (adjustedWidth - roundedWidth >= gPointScaleFactor / 2.0) {
roundedWidth += gPointScaleFactor;
}
@ -3307,6 +3307,9 @@ void YGNodeCalculateLayout(const YGNodeRef node,
} else if (YGValueResolve(&node->style.maxDimensions[YGDimensionWidth], parentWidth) >= 0.0f) {
width = YGValueResolve(&node->style.maxDimensions[YGDimensionWidth], parentWidth);
widthMeasureMode = YGMeasureModeAtMost;
} else {
width = parentWidth;
widthMeasureMode = YGFloatIsUndefined(width) ? YGMeasureModeUndefined : YGMeasureModeExactly;
}
float height = YGUndefined;
@ -3319,6 +3322,9 @@ void YGNodeCalculateLayout(const YGNodeRef node,
0.0f) {
height = YGValueResolve(&node->style.maxDimensions[YGDimensionHeight], parentHeight);
heightMeasureMode = YGMeasureModeAtMost;
} else {
height = parentHeight;
heightMeasureMode = YGFloatIsUndefined(height) ? YGMeasureModeUndefined : YGMeasureModeExactly;
}
if (YGLayoutNodeInternal(node,