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-rw-r--r--src/library/layout/transform.rs116
1 files changed, 0 insertions, 116 deletions
diff --git a/src/library/layout/transform.rs b/src/library/layout/transform.rs
deleted file mode 100644
index a73a1827..00000000
--- a/src/library/layout/transform.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-use crate::geom::Transform;
-use crate::library::prelude::*;
-
-/// Move content without affecting layout.
-#[derive(Debug, Hash)]
-pub struct MoveNode {
- /// The offset by which to move the content.
- pub delta: Axes<Rel<Length>>,
- /// The content that should be moved.
- pub child: Content,
-}
-
-#[node(LayoutInline)]
-impl MoveNode {
- fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
- let dx = args.named("dx")?.unwrap_or_default();
- let dy = args.named("dy")?.unwrap_or_default();
- Ok(Self {
- delta: Axes::new(dx, dy),
- child: args.expect("body")?,
- }
- .pack())
- }
-}
-
-impl LayoutInline for MoveNode {
- fn layout_inline(
- &self,
- world: Tracked<dyn World>,
- regions: &Regions,
- styles: StyleChain,
- ) -> SourceResult<Vec<Frame>> {
- let mut frames = self.child.layout_inline(world, regions, styles)?;
-
- let delta = self.delta.resolve(styles);
- for frame in &mut frames {
- let delta = delta.zip(frame.size()).map(|(d, s)| d.relative_to(s));
- frame.translate(delta.to_point());
- }
-
- Ok(frames)
- }
-}
-
-/// Transform content without affecting layout.
-#[derive(Debug, Hash)]
-pub struct TransformNode<const T: TransformKind> {
- /// Transformation to apply to the content.
- pub transform: Transform,
- /// The content that should be transformed.
- pub child: Content,
-}
-
-/// Rotate content without affecting layout.
-pub type RotateNode = TransformNode<ROTATE>;
-
-/// Scale content without affecting layout.
-pub type ScaleNode = TransformNode<SCALE>;
-
-#[node(LayoutInline)]
-impl<const T: TransformKind> TransformNode<T> {
- /// The origin of the transformation.
- #[property(resolve)]
- pub const ORIGIN: Axes<Option<RawAlign>> = Axes::default();
-
- fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
- let transform = match T {
- ROTATE => {
- let angle = args.named_or_find("angle")?.unwrap_or_default();
- Transform::rotate(angle)
- }
- SCALE | _ => {
- let all = args.find()?;
- let sx = args.named("x")?.or(all).unwrap_or(Ratio::one());
- let sy = args.named("y")?.or(all).unwrap_or(Ratio::one());
- Transform::scale(sx, sy)
- }
- };
-
- Ok(Self { transform, child: args.expect("body")? }.pack())
- }
-}
-
-impl<const T: TransformKind> LayoutInline for TransformNode<T> {
- fn layout_inline(
- &self,
- world: Tracked<dyn World>,
- regions: &Regions,
- styles: StyleChain,
- ) -> SourceResult<Vec<Frame>> {
- let origin = styles.get(Self::ORIGIN).unwrap_or(Align::CENTER_HORIZON);
- let mut frames = self.child.layout_inline(world, regions, styles)?;
-
- for frame in &mut frames {
- let Axes { x, y } = origin.zip(frame.size()).map(|(o, s)| o.position(s));
- let transform = Transform::translate(x, y)
- .pre_concat(self.transform)
- .pre_concat(Transform::translate(-x, -y));
-
- frame.transform(transform);
- }
-
- Ok(frames)
- }
-}
-
-/// Kinds of transformations.
-///
-/// The move transformation is handled separately.
-pub type TransformKind = usize;
-
-/// A rotational transformation.
-const ROTATE: TransformKind = 1;
-
-/// A scale transformation.
-const SCALE: TransformKind = 2;