use super::*;
use motion_core::{Color, PixelSize, Point, RasterLimits, Size};
use motion_render::RenderPrepare;
fn tile(id: &str, rect: Rect, color: Color) -> VectorItem {
let mut path = VectorPath::filled(Path2D::from_rect(rect).unwrap(), color);
path.id = Some(id.into());
VectorItem::Path(path)
}
#[test]
fn baseline_builder_isolates_cloned_trees_and_preserves_cached_surface() -> motion_core::Result {
let rect = Rect::new(0.0, 0.0, 4.0, 4.0);
let tree = VectorTree::new(
rect,
VectorGroup {
children: vec![tile("tile", rect, Color::WHITE)],
..Default::default()
},
)?;
let surface = tree.surface()?;
let copy = tree.clone().with_baseline(3.0);
assert_eq!(tree.data.baseline, None);
assert_eq!(copy.data.baseline, Some(3.0));
assert!(!Arc::ptr_eq(&tree.data, ©.data));
assert!(Arc::ptr_eq(&surface, ©.surface()?));
assert_eq!(tree.ids(), copy.ids());
assert_eq!(copy.clone().with_baseline(2.0).data.baseline, Some(2.0));
assert_eq!(copy.data.baseline, Some(3.0));
Ok(())
}
#[test]
fn groups_ids_source_order_affine_and_isolation_share_nodes() -> motion_core::Result<()> {
let rect = Rect::new(0.0, 0.0, 2.0, 2.0);
let group = VectorGroup {
id: Some("root".into()),
transform: Transform::scale_non_uniform(2.0, 1.0).then(Transform::translate(1.0, 1.0)),
opacity: 0.5,
clip: Some(Path2D::from_rect(rect)?.into()),
children: vec![tile("a", rect, Color::WHITE), tile("b", rect, Color::WHITE)],
..Default::default()
};
let tree = VectorTree::new(Rect::new(0.0, 0.0, 6.0, 4.0), group)?;
assert_eq!(tree.ids()["root"], Vec::<usize>::new());
assert!(matches!(tree.get("a"), Some(VectorItem::Path(_))));
let node = tree.node();
assert_eq!(
node.measure(ValidationLimits::default())?,
Rect::new(1.0, 1.0, 5.0, 3.0)
);
let frame = node
.compile(
Size::new(6.0, 4.0),
PixelSize::new(6, 4),
ValidationLimits::default(),
)?
.prepare(ValidationLimits::default(), RasterLimits::default())?
.render_linear(RasterLimits::default())?;
assert_eq!(frame.pixel(2, 1), Some([0.5; 4]));
assert_eq!(frame.pixel(0, 0), Some([0.0; 4]));
assert_eq!(
node.clone()
.at(Point::new(9.0, 4.0))
.measure(ValidationLimits::default())?,
Rect::new(7.0, 3.0, 11.0, 5.0)
);
assert!(node.measure(ValidationLimits::default()).is_ok());
let duplicate = VectorGroup {
children: vec![tile("x", rect, Color::WHITE), tile("x", rect, Color::WHITE)],
..Default::default()
};
assert!(VectorTree::new(rect, duplicate).is_err());
let mut root = tree.root().clone();
if let VectorItem::Path(path) = &mut root.children[0] {
path.source = Some(4..5)
};
if let VectorItem::Path(path) = &mut root.children[1] {
path.source = Some(0..1)
};
let ordered = VectorTree::new(rect, root)?;
assert_eq!(ordered.leaves()[0].address, vec![1]);
assert_eq!(ordered.paint_leaves()[0].address, vec![0]);
Ok(())
}
#[cfg(feature = "text")]
#[test]
#[ignore = "requires explicitly supplied MOTION_TEST_FONT; no implicit font discovery"]
fn text_tree_preserves_actual_rich_paragraph_pixels_bounds_and_reading_order()
-> motion_core::Result<()> {
let path = std::env::var_os("MOTION_TEST_FONT")
.ok_or_else(|| std::io::Error::other("Set MOTION_TEST_FONT"))?;
let mut fonts = crate::FontLibrary::new();
fonts.load_file(path)?;
if let Some(path) = std::env::var_os("MOTION_TEST_EMOJI_FONT") {
fonts.load_file(path)?;
}
let context = DrawContext::default().with_fonts(fonts.clone());
let text = crate::Text::rich([
crate::TextSpan::new("Ab ").fill(Color::rgb(235, 30, 75)),
crate::TextSpan::new("12\n\u{05d0}\u{05d1}"),
])
.family("Arial")
.size(18.0)
.stroke(0.3, Color::WHITE)
.fonts(&fonts);
let tree = text.vector_tree(&context)?;
assert_eq!(
tree.node().measure(ValidationLimits::default())?,
text.try_bounds(&context)?
);
let render = |node: Node| -> motion_core::Result<motion_render::Bitmap> {
let frame = node
.compile(
Size::new(80.0, 40.0),
PixelSize::new(160, 80),
ValidationLimits::default(),
)?
.prepare(ValidationLimits::default(), RasterLimits::default())?
.render_linear(RasterLimits::default())?;
Ok(motion_render::Bitmap::from_linear(
&frame,
RasterLimits::default(),
)?)
};
assert_eq!(
render(Node::from(text.clone()))?.bytes(),
render(tree.node())?.bytes()
);
assert!(tree.leaves().windows(2).all(
|pair| pair[0].source.as_ref().unwrap().start <= pair[1].source.as_ref().unwrap().start
));
assert_eq!(
render(tree.write(1.0, WriteOptions::default())?)?.bytes(),
render(tree.node())?.bytes()
);
assert_eq!(
render(text.write_with_context(1.0, &context)?)?.bytes(),
render(tree.node())?.bytes()
);
if std::env::var_os("MOTION_TEST_EMOJI_FONT").is_some() {
let emoji = crate::Text::new("A\u{1f600}")
.family("Arial")
.size(18.0)
.fonts(&fonts);
let tree = emoji.vector_tree(&context)?;
assert!(
tree.paint_leaves()
.iter()
.any(|leaf| matches!(leaf.item, VectorItem::Image(_)))
);
let reference = render(Node::from(emoji))?;
let actual = render(tree.node())?;
assert!(
reference
.bytes()
.iter()
.zip(actual.bytes())
.all(|(a, b)| a.abs_diff(*b) <= 1)
);
}
Ok(())
}
#[cfg(feature = "gpu")]
#[test]
#[ignore = "requires actual native GPU; no fonts, window or encoder"]
fn vector_effects_match_cpu_with_clips_images_morphs_and_surface_points() -> motion_core::Result<()>
{
use motion_core::Shape;
let mut group = VectorGroup {
transform: Transform::from_coefficients([1.0, 0.1, 0.2, 1.0, 2.0, 2.0]),
opacity: 0.6,
clip: Some(Path2D::from_rect(Rect::new(0.0, 0.0, 20.0, 16.0))?.into()),
..Default::default()
};
group.children.push(tile(
"shape",
Rect::new(1.0, 1.0, 9.0, 9.0),
Color::rgb(235, 30, 75),
));
let mut picture = VectorImage::new(
Arc::new(crate::ImageAsset::from_rgba8(
2,
1,
vec![255, 0, 0, 128, 0, 0, 255, 255],
)?),
Rect::new(10.0, 2.0, 18.0, 10.0),
);
picture.id = Some("picture".into());
group.children.push(VectorItem::Image(picture));
let tree = VectorTree::new(Rect::new(0.0, 0.0, 32.0, 24.0), group)?;
let mut target = tree.root().clone();
target.transform = Transform::translate(5.0, 4.0);
target.opacity = 0.8;
target.children[0] = VectorItem::Path(VectorPath {
id: Some("shape".into()),
path: Arc::new(
motion_core::Star::new(motion_core::Point::new(7.0, 7.0), 5, 6.0, 2.5).path(),
),
fill: Some((Color::rgb(0, 200, 255).into(), FillRule::NonZero)),
stroke: None,
source: None,
});
target.children.push(tile(
"birth",
Rect::new(17.0, 12.0, 21.0, 16.0),
Color::WHITE,
));
let target = VectorTree::new(tree.view_box(), target)?;
let morph = Morph::new(&tree, &target)?;
let limits = RasterLimits::default();
let mut gpu = motion_render::gpu::Gpu::new()?;
let mut cases = 0;
for progress in [0.0, 0.2, 0.5, 0.8, 1.0, 0.5] {
let points = tree.sample_points(32, 42)?;
let dots =
Node::group(points.iter().map(|point| {
Node::from(motion_core::Circle::new(*point, 0.15).fill(Color::WHITE))
}));
for node in [
tree.node(),
tree.write(progress, WriteOptions::default())?,
morph.sample(progress)?,
dots,
] {
let prepared = node
.compile(
Size::new(32.0, 24.0),
PixelSize::new(64, 48),
ValidationLimits::default(),
)?
.prepare(ValidationLimits::default(), limits)?;
let expected = prepared.render_linear(limits)?;
let actual =
gpu.render(&prepared, motion_render::gpu::Plan::new(&prepared, limits)?)?;
let replay =
gpu.render(&prepared, motion_render::gpu::Plan::new(&prepared, limits)?)?;
assert_eq!(actual.pixels(), replay.pixels());
let a = expected.to_srgb_rgba8(false, limits)?;
let b = actual.to_srgb_rgba8(false, limits)?;
assert!(
a.bytes()
.iter()
.zip(b.bytes())
.all(|(a, b)| a.abs_diff(*b) <= 1),
"case={cases},progress={progress}"
);
cases += 1;
}
}
assert_eq!(cases, 24);
Ok(())
}