Fix right/bottom in absolute layout.

Summary:
1, Change bottom to be based� on height of parent.
2, Respect margin value when layout with right/bottom.
Closes https://github.com/facebook/yoga/pull/552

Differential Revision: D5102090

Pulled By: emilsjolander

fbshipit-source-id: dca291413ffc2027d7628f4c8b8eeeb0b4823bc2
This commit is contained in:
yihuang
2017-05-22 02:56:19 -07:00
committed by Facebook Github Bot
parent f4c2b6ae63
commit 629e401deb
6 changed files with 494 additions and 2 deletions

View File

@@ -285,6 +285,30 @@ namespace Facebook.Yoga
root_child1.Width = 50;
root_child1.Height = 50;
root.Insert(1, root_child1);
YogaNode root_child2 = new YogaNode(config);
root_child2.PositionType = YogaPositionType.Absolute;
root_child2.Left = 0;
root_child2.Top = 0;
root_child2.MarginLeft = 10;
root_child2.MarginTop = 10;
root_child2.MarginRight = 10;
root_child2.MarginBottom = 10;
root_child2.Width = 50;
root_child2.Height = 50;
root.Insert(2, root_child2);
YogaNode root_child3 = new YogaNode(config);
root_child3.PositionType = YogaPositionType.Absolute;
root_child3.Right = 0;
root_child3.Bottom = 0;
root_child3.MarginLeft = 10;
root_child3.MarginTop = 10;
root_child3.MarginRight = 10;
root_child3.MarginBottom = 10;
root_child3.Width = 50;
root_child3.Height = 50;
root.Insert(3, root_child3);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
@@ -303,6 +327,16 @@ namespace Facebook.Yoga
Assert.AreEqual(50f, root_child1.LayoutWidth);
Assert.AreEqual(50f, root_child1.LayoutHeight);
Assert.AreEqual(20f, root_child2.LayoutX);
Assert.AreEqual(20f, root_child2.LayoutY);
Assert.AreEqual(50f, root_child2.LayoutWidth);
Assert.AreEqual(50f, root_child2.LayoutHeight);
Assert.AreEqual(30f, root_child3.LayoutX);
Assert.AreEqual(30f, root_child3.LayoutY);
Assert.AreEqual(50f, root_child3.LayoutWidth);
Assert.AreEqual(50f, root_child3.LayoutHeight);
root.StyleDirection = YogaDirection.RTL;
root.CalculateLayout();
@@ -320,6 +354,16 @@ namespace Facebook.Yoga
Assert.AreEqual(40f, root_child1.LayoutY);
Assert.AreEqual(50f, root_child1.LayoutWidth);
Assert.AreEqual(50f, root_child1.LayoutHeight);
Assert.AreEqual(20f, root_child2.LayoutX);
Assert.AreEqual(20f, root_child2.LayoutY);
Assert.AreEqual(50f, root_child2.LayoutWidth);
Assert.AreEqual(50f, root_child2.LayoutHeight);
Assert.AreEqual(30f, root_child3.LayoutX);
Assert.AreEqual(30f, root_child3.LayoutY);
Assert.AreEqual(50f, root_child3.LayoutWidth);
Assert.AreEqual(50f, root_child3.LayoutHeight);
}
[Test]
@@ -745,5 +789,81 @@ namespace Facebook.Yoga
Assert.AreEqual(52f, root.LayoutHeight);
}
[Test]
public void Test_absolute_layout_percentage_bottom_based_on_parent_height()
{
YogaConfig config = new YogaConfig();
YogaNode root = new YogaNode(config);
root.Width = 100;
root.Height = 200;
YogaNode root_child0 = new YogaNode(config);
root_child0.PositionType = YogaPositionType.Absolute;
root_child0.Top = 50.Percent();
root_child0.Width = 10;
root_child0.Height = 10;
root.Insert(0, root_child0);
YogaNode root_child1 = new YogaNode(config);
root_child1.PositionType = YogaPositionType.Absolute;
root_child1.Bottom = 50.Percent();
root_child1.Width = 10;
root_child1.Height = 10;
root.Insert(1, root_child1);
YogaNode root_child2 = new YogaNode(config);
root_child2.PositionType = YogaPositionType.Absolute;
root_child2.Top = 10.Percent();
root_child2.Bottom = 10.Percent();
root_child2.Width = 10;
root.Insert(2, root_child2);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
Assert.AreEqual(0f, root.LayoutX);
Assert.AreEqual(0f, root.LayoutY);
Assert.AreEqual(100f, root.LayoutWidth);
Assert.AreEqual(200f, root.LayoutHeight);
Assert.AreEqual(0f, root_child0.LayoutX);
Assert.AreEqual(100f, root_child0.LayoutY);
Assert.AreEqual(10f, root_child0.LayoutWidth);
Assert.AreEqual(10f, root_child0.LayoutHeight);
Assert.AreEqual(0f, root_child1.LayoutX);
Assert.AreEqual(90f, root_child1.LayoutY);
Assert.AreEqual(10f, root_child1.LayoutWidth);
Assert.AreEqual(10f, root_child1.LayoutHeight);
Assert.AreEqual(0f, root_child2.LayoutX);
Assert.AreEqual(20f, root_child2.LayoutY);
Assert.AreEqual(10f, root_child2.LayoutWidth);
Assert.AreEqual(160f, root_child2.LayoutHeight);
root.StyleDirection = YogaDirection.RTL;
root.CalculateLayout();
Assert.AreEqual(0f, root.LayoutX);
Assert.AreEqual(0f, root.LayoutY);
Assert.AreEqual(100f, root.LayoutWidth);
Assert.AreEqual(200f, root.LayoutHeight);
Assert.AreEqual(90f, root_child0.LayoutX);
Assert.AreEqual(100f, root_child0.LayoutY);
Assert.AreEqual(10f, root_child0.LayoutWidth);
Assert.AreEqual(10f, root_child0.LayoutHeight);
Assert.AreEqual(90f, root_child1.LayoutX);
Assert.AreEqual(90f, root_child1.LayoutY);
Assert.AreEqual(10f, root_child1.LayoutWidth);
Assert.AreEqual(10f, root_child1.LayoutHeight);
Assert.AreEqual(90f, root_child2.LayoutX);
Assert.AreEqual(20f, root_child2.LayoutY);
Assert.AreEqual(10f, root_child2.LayoutWidth);
Assert.AreEqual(160f, root_child2.LayoutHeight);
}
}
}