iris-ai
f9423855e1
Reviewed-on: iris/iris#16 Reviewed-by: iris <2+iris@noreply.localhost> Co-authored-by: iris-ai <4+iris-ai@noreply.localhost>
28 lines
998 B
Rust
28 lines
998 B
Rust
//! What a drawing can be taken out of, and what it cannot.
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use iris::core::{Remap, UiRegion, UiScalar, UiSpan};
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/// A box `size` tall whose top is `rel` of the way down the window.
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fn fixed(rel: f32, size: f32) -> UiRegion {
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UiRegion::new(
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UiSpan::FULL,
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UiSpan::new(UiScalar { rel, abs: 0.0 }, UiScalar { rel, abs: size }),
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)
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}
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#[test]
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fn a_fixed_box_can_be_carried_but_not_stretched() {
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let from = fixed(0.0, 164.0);
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assert!(Remap::new(from, UiRegion::FULL).is_none());
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assert!(Remap::new(from, fixed(0.5, 164.0)).is_some());
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assert!(Remap::new(from, fixed(0.0, 98.0)).is_none());
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}
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#[test]
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fn a_relative_box_can_be_stretched_to_any_other() {
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let remap = Remap::new(UiRegion::FULL, fixed(0.0, 98.0)).expect("relative boxes remap");
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// A part that filled the window keeps filling what replaced it, which is
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// exactly what `outside` could not say for a box of a fixed length.
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assert_eq!(remap.apply(UiRegion::FULL), fixed(0.0, 98.0));
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}
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