Baseline support

Summary:
Added baseline support (see #132)

You have the ability for a custom baseline function (```float(*YGBaselineFunc)(YGNodeRef node);```) to return whatever baseline you want.
Closes https://github.com/facebook/yoga/pull/317

Reviewed By: splhack

Differential Revision: D4385061

Pulled By: emilsjolander

fbshipit-source-id: cb8a59a09237c840fa3e21753ab68239997dab0c
This commit is contained in:
Lukas Woehrl
2017-01-06 06:51:56 -08:00
committed by Facebook Github Bot
parent 6d48307c8d
commit c169a98be6
21 changed files with 4628 additions and 16 deletions

View File

@@ -160,3 +160,72 @@ TEST(YogaTest, align_self_flex_end_override_flex_start) {
YGNodeFreeRecursive(root);
}
TEST(YogaTest, align_self_baseline) {
const YGNodeRef root = YGNodeNew();
YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
const YGNodeRef root_child0 = YGNodeNew();
YGNodeStyleSetAlignSelf(root_child0, YGAlignBaseline);
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 50);
YGNodeInsertChild(root, root_child0, 0);
const YGNodeRef root_child1 = YGNodeNew();
YGNodeStyleSetAlignSelf(root_child1, YGAlignBaseline);
YGNodeStyleSetWidth(root_child1, 50);
YGNodeStyleSetHeight(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
const YGNodeRef root_child1_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child1_child0, 50);
YGNodeStyleSetHeight(root_child1_child0, 10);
YGNodeInsertChild(root_child1, root_child1_child0, 0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetLeft(root_child1));
ASSERT_FLOAT_EQ(40, YGNodeLayoutGetTop(root_child1));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child1));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetHeight(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child1_child0));
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetHeight(root_child1_child0));
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1));
ASSERT_FLOAT_EQ(40, YGNodeLayoutGetTop(root_child1));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child1));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetHeight(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1_child0));
ASSERT_FLOAT_EQ(50, YGNodeLayoutGetWidth(root_child1_child0));
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetHeight(root_child1_child0));
YGNodeFreeRecursive(root);
}