yoga 0.5.0

Rust bindings for Facebook's Yoga, a Flexbox layout engine
Documentation 
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#[macro_use]
extern crate yoga;

use yoga::{prelude::*, Align, Direction, FlexDirection, Node, NodeRef, Undefined};

#[test]
fn test_align_baseline_customer_func() {
    extern "C" fn baseline_func(_: NodeRef, _: f32, _: f32) -> f32 {
        10.0
    }

    let mut root = Node::new();

    style!(root,
        FlexDirection(FlexDirection::Row),
        AlignItems(Align::Baseline),
        Width(100 pt),
        Height(100 pt)
    );

    let mut root_child_0 = Node::new();

    style!(root_child_0,
        Width(50 pt),
        Height(50 pt)
    );

    let mut root_child_1 = Node::new();

    style!(root_child_1,
        Width(50 pt),
        Height(20 pt)
    );

    let mut root_child_1_child_0 = Node::new();
    root_child_1_child_0.set_baseline_func(Some(baseline_func));

    style!(root_child_1_child_0,
        Width(50 pt),
        Height(20 pt)
    );

    root.insert_child(&mut root_child_0, 0);
    root.insert_child(&mut root_child_1, 1);

    root_child_1.insert_child(&mut root_child_1_child_0, 0);

    root.calculate_layout(Undefined, Undefined, Direction::LTR);

    let root_layout = root.get_layout();
    let child_0_layout = root_child_0.get_layout();
    let child_1_layout = root_child_1.get_layout();
    let child_1_child_0_layout = root_child_1_child_0.get_layout();

    assert_eq!(0.0, root_layout.left());
    assert_eq!(0.0, root_layout.top());
    assert_eq!(100.0, root_layout.width());
    assert_eq!(100.0, root_layout.height());

    assert_eq!(0.0, child_0_layout.left());
    assert_eq!(0.0, child_0_layout.top());
    assert_eq!(50.0, child_0_layout.width());
    assert_eq!(50.0, child_0_layout.height());

    assert_eq!(50.0, child_1_layout.left());
    assert_eq!(40.0, child_1_layout.top());
    assert_eq!(50.0, child_1_layout.width());
    assert_eq!(20.0, child_1_layout.height());

    assert_eq!(0.0, child_1_child_0_layout.left());
    assert_eq!(0.0, child_1_child_0_layout.top());
    assert_eq!(50.0, child_1_child_0_layout.width());
    assert_eq!(20.0, child_1_child_0_layout.height());
}