Add feature to use percentage as value unit

Summary:
Adds the feature to use percentage as a value unit.

You can use the function ```YGPx(float)``` and ```YGPercent(float)``` for convenience.

I did some benchmarks:

```
Without Percentage Feature - Release x86:

Stack with flex: median: 0.000000 ms, stddev: 0.146683 ms
Align stretch in undefined axis: median: 0.000000 ms, stddev: 0.136525 ms
Nested flex: median: 0.000000 ms, stddev: 0.490101 ms
Huge nested layout: median: 23.000000 ms, stddev: 0.928291 ms

Stack with flex: median: 0.000000 ms, stddev: 0.170587 ms
Align stretch in undefined axis: median: 0.000000 ms, stddev: 0.143384 ms
Nested flex: median: 0.000000 ms, stddev: 0.477791 ms
Huge nested layout: median: 22.000000 ms, stddev: 2.129779 ms

With Percentage Feature - Release x86:

Stack with flex: median: 0.000000 ms, stddev: 0.132951 ms
Align stretch in undefined axis: median: 0.000000 ms, stddev: 0.136525 ms
Nested flex: median: 0.000000 ms, stddev: 0.489570 ms
Huge nested layout: median: 21.000000 ms, stddev: 1.390476 ms
Closes https://github.com/facebook/yoga/pull/258

Reviewed By: dshahidehpour

Differential Revision: D4361945

Pulled By: emilsjolander

fbshipit-source-id: a8f5bc63ad352eb9410d792729e56664468cd76a
This commit is contained in:
Lukas Woehrl
2017-01-02 05:20:37 -08:00
committed by Facebook Github Bot
parent 6f462a72bf
commit a85bd4ad2a
48 changed files with 4948 additions and 1209 deletions

View File

@@ -21,16 +21,16 @@ namespace Facebook.Yoga
public void Test_flex_basis_flex_grow_column()
{
YogaNode root = new YogaNode();
root.Width = 100f;
root.Height = 100f;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode();
root_child0.FlexGrow = 1f;
root_child0.FlexBasis = 50f;
root_child0.FlexGrow = 1;
root_child0.FlexBasis = 50;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode();
root_child1.FlexGrow = 1f;
root_child1.FlexGrow = 1;
root.Insert(1, root_child1);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -74,16 +74,16 @@ namespace Facebook.Yoga
{
YogaNode root = new YogaNode();
root.FlexDirection = YogaFlexDirection.Row;
root.Width = 100f;
root.Height = 100f;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode();
root_child0.FlexGrow = 1f;
root_child0.FlexBasis = 50f;
root_child0.FlexGrow = 1;
root_child0.FlexBasis = 50;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode();
root_child1.FlexGrow = 1f;
root_child1.FlexGrow = 1;
root.Insert(1, root_child1);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -126,16 +126,16 @@ namespace Facebook.Yoga
public void Test_flex_basis_flex_shrink_column()
{
YogaNode root = new YogaNode();
root.Width = 100f;
root.Height = 100f;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode();
root_child0.FlexShrink = 1f;
root_child0.FlexBasis = 100f;
root_child0.FlexShrink = 1;
root_child0.FlexBasis = 100;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode();
root_child1.FlexBasis = 50f;
root_child1.FlexBasis = 50;
root.Insert(1, root_child1);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -179,16 +179,16 @@ namespace Facebook.Yoga
{
YogaNode root = new YogaNode();
root.FlexDirection = YogaFlexDirection.Row;
root.Width = 100f;
root.Height = 100f;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode();
root_child0.FlexShrink = 1f;
root_child0.FlexBasis = 100f;
root_child0.FlexShrink = 1;
root_child0.FlexBasis = 100;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode();
root_child1.FlexBasis = 50f;
root_child1.FlexBasis = 50;
root.Insert(1, root_child1);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -231,22 +231,22 @@ namespace Facebook.Yoga
public void Test_flex_shrink_to_zero()
{
YogaNode root = new YogaNode();
root.Height = 75f;
root.Height = 75;
YogaNode root_child0 = new YogaNode();
root_child0.Width = 50f;
root_child0.Height = 50f;
root_child0.Width = 50;
root_child0.Height = 50;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode();
root_child1.FlexShrink = 1f;
root_child1.Width = 50f;
root_child1.Height = 50f;
root_child1.FlexShrink = 1;
root_child1.Width = 50;
root_child1.Height = 50;
root.Insert(1, root_child1);
YogaNode root_child2 = new YogaNode();
root_child2.Width = 50f;
root_child2.Height = 50f;
root_child2.Width = 50;
root_child2.Height = 50;
root.Insert(2, root_child2);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -299,23 +299,23 @@ namespace Facebook.Yoga
public void Test_flex_basis_overrides_main_size()
{
YogaNode root = new YogaNode();
root.Width = 100f;
root.Height = 100f;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode();
root_child0.FlexGrow = 1f;
root_child0.FlexBasis = 50f;
root_child0.Height = 20f;
root_child0.FlexGrow = 1;
root_child0.FlexBasis = 50;
root_child0.Height = 20;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode();
root_child1.FlexGrow = 1f;
root_child1.Height = 10f;
root_child1.FlexGrow = 1;
root_child1.Height = 10;
root.Insert(1, root_child1);
YogaNode root_child2 = new YogaNode();
root_child2.FlexGrow = 1f;
root_child2.Height = 10f;
root_child2.FlexGrow = 1;
root_child2.Height = 10;
root.Insert(2, root_child2);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -368,15 +368,15 @@ namespace Facebook.Yoga
public void Test_flex_grow_shrink_at_most()
{
YogaNode root = new YogaNode();
root.Width = 100f;
root.Height = 100f;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode();
root.Insert(0, root_child0);
YogaNode root_child0_child0 = new YogaNode();
root_child0_child0.FlexGrow = 1f;
root_child0_child0.FlexShrink = 1f;
root_child0_child0.FlexGrow = 1;
root_child0_child0.FlexShrink = 1;
root_child0.Insert(0, root_child0_child0);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();