Removed duplicate code by calculating with mainSize/crossSize
Summary: This PR removes some duplicate code by calculating with ```mainSize```/```crossSize``` and converting that to ```width``` or ```height``` at the end. See #395 . Closes https://github.com/facebook/yoga/pull/396 Reviewed By: astreet Differential Revision: D4564713 Pulled By: emilsjolander fbshipit-source-id: 0b24e69cc9dc75cdf93deeb6c076dcacf134c6d8
This commit is contained in:
Lukas Wöhrl
Facebook Github Bot
parent
1b5eb36e2f
commit
167ac4993a
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@ -1442,8 +1442,7 @@ static void YGNodeComputeFlexBasisForChild(const YGNodeRef node,
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"measure");
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child->layout.computedFlexBasis =
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fmaxf(isMainAxisRow ? child->layout.measuredDimensions[YGDimensionWidth]
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: child->layout.measuredDimensions[YGDimensionHeight],
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fmaxf(child->layout.measuredDimensions[dim[mainAxis]],
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YGNodePaddingAndBorderForAxis(child, mainAxis, parentWidth));
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}
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@ -2310,118 +2309,80 @@ static void YGNodelayoutImpl(const YGNodeRef node,
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deltaFreeSpace -= updatedMainSize - childFlexBasis;
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float childWidth;
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float childHeight;
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YGMeasureMode childWidthMeasureMode;
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YGMeasureMode childHeightMeasureMode;
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const float marginMain =
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YGNodeMarginForAxis(currentRelativeChild, mainAxis, availableInnerWidth);
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const float marginCross =
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YGNodeMarginForAxis(currentRelativeChild, crossAxis, availableInnerWidth);
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const float marginRow =
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YGNodeMarginForAxis(currentRelativeChild, YGFlexDirectionRow, availableInnerWidth);
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const float marginColumn =
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YGNodeMarginForAxis(currentRelativeChild, YGFlexDirectionColumn, availableInnerWidth);
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float childCrossSize;
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float childMainSize = updatedMainSize + marginMain;
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YGMeasureMode childCrossMeasureMode;
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YGMeasureMode childMainMeasureMode = YGMeasureModeExactly;
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if (isMainAxisRow) {
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childWidth = updatedMainSize + marginRow;
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childWidthMeasureMode = YGMeasureModeExactly;
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if (!YGFloatIsUndefined(availableInnerCrossDim) &&
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!YGNodeIsStyleDimDefined(currentRelativeChild,
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YGFlexDirectionColumn,
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availableInnerHeight) &&
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heightMeasureMode == YGMeasureModeExactly &&
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!(isNodeFlexWrap && flexBasisOverflows) &&
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YGNodeAlignItem(node, currentRelativeChild) == YGAlignStretch) {
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childHeight = availableInnerCrossDim;
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childHeightMeasureMode = YGMeasureModeExactly;
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} else if (!YGNodeIsStyleDimDefined(currentRelativeChild,
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YGFlexDirectionColumn,
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availableInnerHeight)) {
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childHeight = availableInnerCrossDim;
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childHeightMeasureMode =
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YGFloatIsUndefined(childHeight) ? YGMeasureModeUndefined : YGMeasureModeAtMost;
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} else {
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childHeight =
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YGValueResolve(currentRelativeChild->resolvedDimensions[YGDimensionHeight],
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availableInnerHeight) +
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marginColumn;
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childHeightMeasureMode =
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YGFloatIsUndefined(childHeight) ? YGMeasureModeUndefined : YGMeasureModeExactly;
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}
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if (!YGFloatIsUndefined(availableInnerCrossDim) &&
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!YGNodeIsStyleDimDefined(currentRelativeChild, crossAxis, availableInnerCrossDim) &&
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measureModeCrossDim == YGMeasureModeExactly &&
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!(isNodeFlexWrap && flexBasisOverflows) &&
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YGNodeAlignItem(node, currentRelativeChild) == YGAlignStretch) {
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childCrossSize = availableInnerCrossDim;
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childCrossMeasureMode = YGMeasureModeExactly;
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} else if (!YGNodeIsStyleDimDefined(currentRelativeChild,
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crossAxis,
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availableInnerCrossDim)) {
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childCrossSize = availableInnerCrossDim;
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childCrossMeasureMode =
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YGFloatIsUndefined(childCrossSize) ? YGMeasureModeUndefined : YGMeasureModeAtMost;
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} else {
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childHeight = updatedMainSize + marginColumn;
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childHeightMeasureMode = YGMeasureModeExactly;
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if (!YGFloatIsUndefined(availableInnerCrossDim) &&
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!YGNodeIsStyleDimDefined(currentRelativeChild,
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YGFlexDirectionRow,
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availableInnerWidth) &&
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widthMeasureMode == YGMeasureModeExactly && !(isNodeFlexWrap && flexBasisOverflows) &&
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YGNodeAlignItem(node, currentRelativeChild) == YGAlignStretch) {
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childWidth = availableInnerCrossDim;
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childWidthMeasureMode = YGMeasureModeExactly;
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} else if (!YGNodeIsStyleDimDefined(currentRelativeChild,
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YGFlexDirectionRow,
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availableInnerWidth)) {
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childWidth = availableInnerCrossDim;
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childWidthMeasureMode =
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YGFloatIsUndefined(childWidth) ? YGMeasureModeUndefined : YGMeasureModeAtMost;
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} else {
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childWidth = YGValueResolve(currentRelativeChild->resolvedDimensions[YGDimensionWidth],
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availableInnerWidth) +
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marginRow;
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childWidthMeasureMode =
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YGFloatIsUndefined(childWidth) ? YGMeasureModeUndefined : YGMeasureModeExactly;
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}
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childCrossSize = YGValueResolve(currentRelativeChild->resolvedDimensions[dim[crossAxis]],
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availableInnerCrossDim) +
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marginCross;
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childCrossMeasureMode =
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YGFloatIsUndefined(childCrossSize) ? YGMeasureModeUndefined : YGMeasureModeExactly;
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}
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if (!YGFloatIsUndefined(currentRelativeChild->style.aspectRatio)) {
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if (isMainAxisRow) {
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childHeight = fmaxf((childWidth - marginRow) / currentRelativeChild->style.aspectRatio,
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YGNodePaddingAndBorderForAxis(currentRelativeChild,
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YGFlexDirectionColumn,
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availableInnerWidth));
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childHeightMeasureMode = YGMeasureModeExactly;
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childCrossSize = fmaxf(
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isMainAxisRow
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? (childMainSize - marginMain) / currentRelativeChild->style.aspectRatio
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: (childMainSize - marginMain) * currentRelativeChild->style.aspectRatio,
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YGNodePaddingAndBorderForAxis(currentRelativeChild, crossAxis, availableInnerWidth));
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childCrossMeasureMode = YGMeasureModeExactly;
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// Parent size constraint should have higher priority than flex
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if (YGNodeIsFlex(currentRelativeChild)) {
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childHeight = fminf((childHeight - marginColumn), availableInnerHeight);
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childWidth = marginRow + childHeight * currentRelativeChild->style.aspectRatio;
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}
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childHeight += marginColumn;
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} else {
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childWidth =
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fmaxf((childHeight - marginColumn) * currentRelativeChild->style.aspectRatio,
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YGNodePaddingAndBorderForAxis(currentRelativeChild,
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YGFlexDirectionRow,
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availableInnerWidth));
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childWidthMeasureMode = YGMeasureModeExactly;
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// Parent size constraint should have higher priority than flex
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if (YGNodeIsFlex(currentRelativeChild)) {
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childWidth = fminf((childWidth - marginRow), availableInnerWidth);
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childHeight = marginColumn + childWidth / currentRelativeChild->style.aspectRatio;
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}
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childWidth += marginRow;
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// Parent size constraint should have higher priority than flex
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if (YGNodeIsFlex(currentRelativeChild)) {
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childCrossSize = fminf(childCrossSize - marginCross, availableInnerCrossDim);
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childMainSize =
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marginMain + (isMainAxisRow
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? childCrossSize * currentRelativeChild->style.aspectRatio
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: childCrossSize / currentRelativeChild->style.aspectRatio);
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}
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childCrossSize += marginCross;
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}
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YGConstrainMaxSizeForMode(
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YGValueResolve(¤tRelativeChild->style.maxDimensions[YGDimensionWidth],
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YGValueResolve(¤tRelativeChild->style.maxDimensions[dim[mainAxis]],
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availableInnerWidth),
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&childWidthMeasureMode,
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&childWidth);
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&childMainMeasureMode,
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&childMainSize);
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YGConstrainMaxSizeForMode(
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YGValueResolve(¤tRelativeChild->style.maxDimensions[YGDimensionHeight],
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YGValueResolve(¤tRelativeChild->style.maxDimensions[dim[crossAxis]],
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availableInnerHeight),
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&childHeightMeasureMode,
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&childHeight);
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&childCrossMeasureMode,
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&childCrossSize);
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const bool requiresStretchLayout =
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!YGNodeIsStyleDimDefined(currentRelativeChild, crossAxis, availableInnerCrossDim) &&
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YGNodeAlignItem(node, currentRelativeChild) == YGAlignStretch;
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const float childWidth = isMainAxisRow ? childMainSize : childCrossSize;
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const float childHeight = !isMainAxisRow ? childMainSize : childCrossSize;
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const YGMeasureMode childWidthMeasureMode =
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isMainAxisRow ? childMainMeasureMode : childCrossMeasureMode;
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const YGMeasureMode childHeightMeasureMode =
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!isMainAxisRow ? childMainMeasureMode : childCrossMeasureMode;
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// Recursively call the layout algorithm for this child with the updated
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// main size.
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YGLayoutNodeInternal(currentRelativeChild,
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@ -2630,59 +2591,36 @@ static void YGNodelayoutImpl(const YGNodeRef node,
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if (alignItem == YGAlignStretch &&
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child->style.margin[leading[crossAxis]].unit != YGUnitAuto &&
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child->style.margin[trailing[crossAxis]].unit != YGUnitAuto) {
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const bool isCrossSizeDefinite =
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(isMainAxisRow &&
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YGNodeIsStyleDimDefined(child, YGFlexDirectionColumn, availableInnerHeight)) ||
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(!isMainAxisRow &&
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YGNodeIsStyleDimDefined(child, YGFlexDirectionRow, availableInnerWidth));
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float childWidth;
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float childHeight;
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YGMeasureMode childWidthMeasureMode = YGMeasureModeExactly;
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YGMeasureMode childHeightMeasureMode = YGMeasureModeExactly;
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const float marginRow =
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YGNodeMarginForAxis(child, YGFlexDirectionRow, availableInnerWidth);
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const float marginColumn =
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YGNodeMarginForAxis(child, YGFlexDirectionColumn, availableInnerWidth);
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if (isMainAxisRow) {
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childWidth = child->layout.measuredDimensions[YGDimensionWidth];
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if (!YGFloatIsUndefined(child->style.aspectRatio)) {
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childHeight = marginColumn + childWidth / child->style.aspectRatio;
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} else {
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childHeight = crossDim;
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}
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childWidth += marginRow;
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} else {
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childHeight = child->layout.measuredDimensions[YGDimensionHeight];
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if (!YGFloatIsUndefined(child->style.aspectRatio)) {
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childWidth = marginRow + childHeight * child->style.aspectRatio;
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} else {
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childWidth = crossDim;
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}
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childHeight += marginColumn;
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}
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YGConstrainMaxSizeForMode(YGValueResolve(&child->style.maxDimensions[YGDimensionWidth],
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availableInnerWidth),
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&childWidthMeasureMode,
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&childWidth);
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YGConstrainMaxSizeForMode(YGValueResolve(&child->style.maxDimensions[YGDimensionHeight],
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availableInnerHeight),
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&childHeightMeasureMode,
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&childHeight);
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// If the child defines a definite size for its cross axis, there's
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// no need to stretch.
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if (!isCrossSizeDefinite) {
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childWidthMeasureMode =
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if (!YGNodeIsStyleDimDefined(child, crossAxis, availableInnerCrossDim)) {
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float childMainSize = child->layout.measuredDimensions[dim[mainAxis]];
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float childCrossSize =
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!YGFloatIsUndefined(child->style.aspectRatio)
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? ((YGNodeMarginForAxis(child, crossAxis, availableInnerWidth) +
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(isMainAxisRow ? childMainSize / child->style.aspectRatio
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: childMainSize * child->style.aspectRatio)))
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: crossDim;
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childMainSize += YGNodeMarginForAxis(child, mainAxis, availableInnerWidth);
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YGMeasureMode childMainMeasureMode = YGMeasureModeExactly;
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YGMeasureMode childCrossMeasureMode = YGMeasureModeExactly;
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YGConstrainMaxSizeForMode(YGValueResolve(&child->style.maxDimensions[dim[mainAxis]],
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availableInnerMainDim),
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&childMainMeasureMode,
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&childMainSize);
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YGConstrainMaxSizeForMode(YGValueResolve(&child->style.maxDimensions[dim[crossAxis]],
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availableInnerCrossDim),
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&childCrossMeasureMode,
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&childCrossSize);
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const float childWidth = isMainAxisRow ? childMainSize : childCrossSize;
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const float childHeight = !isMainAxisRow ? childMainSize : childCrossSize;
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const YGMeasureMode childWidthMeasureMode =
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YGFloatIsUndefined(childWidth) ? YGMeasureModeUndefined : YGMeasureModeExactly;
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childHeightMeasureMode =
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const YGMeasureMode childHeightMeasureMode =
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YGFloatIsUndefined(childHeight) ? YGMeasureModeUndefined : YGMeasureModeExactly;
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YGLayoutNodeInternal(child,
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@ -2769,7 +2707,7 @@ static void YGNodelayoutImpl(const YGNodeRef node,
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uint32_t endIndex = 0;
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for (uint32_t i = 0; i < lineCount; i++) {
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uint32_t startIndex = endIndex;
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const uint32_t startIndex = endIndex;
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uint32_t ii;
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// compute the line's height and find the endIndex
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