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//! Example demonstrating nested transforms - how parent and child transforms combine.
//!
//! This shows that shape transforms work correctly when containers are nested.
//! Note: Text inside transformed containers is not currently transformed.
use guido::prelude::*;
fn main() {
App::new().run(|app| {
app.add_surface(
SurfaceConfig::new()
.height(200)
.anchor(Anchor::TOP | Anchor::LEFT | Anchor::RIGHT)
.background_color(Color::rgb(0.1, 0.1, 0.15)),
|| {
container()
.layout(
Flex::row()
.spacing(40.0)
.main_alignment(MainAlignment::Center)
.cross_alignment(CrossAlignment::Center),
)
.padding(20.0)
.children([
// Case 0: Parent, child
// Expected: Inner box centered
container()
.width(100.0)
.height(100.0)
.background(Color::rgba(0.8, 0.3, 0.3, 0.5))
.corners(8.0)
.child(
container()
.width(60.0)
.height(60.0)
.background(Color::rgb(0.3, 0.8, 0.3))
.corners(4.0),
),
// Case 1: Parent rotated 30, child scaled 0.7
// Expected: Inner box rotated 30deg AND smaller
container()
.width(100.0)
.height(100.0)
.background(Color::rgba(0.8, 0.3, 0.3, 0.5))
.corners(8.0)
.rotate(30.0)
.child(
container()
.width(60.0)
.height(60.0)
.background(Color::rgb(0.3, 0.8, 0.3))
.corners(4.0)
.scale(0.7),
),
// Case 2: Both parent and child rotated 20deg each
// Expected: Inner box rotated 40deg total
container()
.width(100.0)
.height(100.0)
.background(Color::rgba(0.3, 0.3, 0.8, 0.5))
.corners(8.0)
.rotate(20.0)
.child(
container()
.width(60.0)
.height(60.0)
.background(Color::rgb(0.8, 0.8, 0.3))
.corners(4.0)
.rotate(20.0),
),
// Case 3: Parent scaled 1.3, child rotated 45deg
// Expected: Inner box rotated AND the whole group larger
container()
.width(100.0)
.height(100.0)
.background(Color::rgba(0.8, 0.5, 0.2, 0.5))
.corners(8.0)
.scale(1.3)
.child(
container()
.width(60.0)
.height(60.0)
.background(Color::rgb(0.5, 0.2, 0.8))
.corners(4.0)
.rotate(45.0),
),
// Case 4: Child with NO transform (inherits parent's rotation)
// Expected: Inner box rotated same as parent (30deg)
container()
.width(100.0)
.height(100.0)
.background(Color::rgba(0.2, 0.7, 0.7, 0.5))
.corners(8.0)
.rotate(30.0)
.child(
container()
.width(60.0)
.height(60.0)
.background(Color::rgb(0.7, 0.2, 0.7))
.corners(4.0),
),
])
},
);
});
}