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Diffstat (limited to 'library/src/layout/transform.rs')
| -rw-r--r-- | library/src/layout/transform.rs | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/library/src/layout/transform.rs b/library/src/layout/transform.rs deleted file mode 100644 index a57a5edc..00000000 --- a/library/src/layout/transform.rs +++ /dev/null @@ -1,194 +0,0 @@ -use typst::geom::Transform; - -use crate::prelude::*; - -/// Moves content without affecting layout. -/// -/// The `move` function allows you to move content while the layout still 'sees' -/// it at the original positions. Containers will still be sized as if the -/// content was not moved. -/// -/// ## Example { #example } -/// ```example -/// #rect(inset: 0pt, move( -/// dx: 6pt, dy: 6pt, -/// rect( -/// inset: 8pt, -/// fill: white, -/// stroke: black, -/// [Abra cadabra] -/// ) -/// )) -/// ``` -/// -/// Display: Move -/// Category: layout -#[element(Layout)] -pub struct MoveElem { - /// The horizontal displacement of the content. - pub dx: Rel<Length>, - - /// The vertical displacement of the content. - pub dy: Rel<Length>, - - /// The content to move. - #[required] - pub body: Content, -} - -impl Layout for MoveElem { - #[tracing::instrument(name = "MoveElem::layout", skip_all)] - fn layout( - &self, - vt: &mut Vt, - styles: StyleChain, - regions: Regions, - ) -> SourceResult<Fragment> { - let pod = Regions::one(regions.base(), Axes::splat(false)); - let mut frame = self.body().layout(vt, styles, pod)?.into_frame(); - let delta = Axes::new(self.dx(styles), self.dy(styles)).resolve(styles); - let delta = delta.zip(regions.base()).map(|(d, s)| d.relative_to(s)); - frame.translate(delta.to_point()); - Ok(Fragment::frame(frame)) - } -} - -/// Rotates content without affecting layout. -/// -/// Rotates an element by a given angle. The layout will act as if the element -/// was not rotated. -/// -/// ## Example { #example } -/// ```example -/// #stack( -/// dir: ltr, -/// spacing: 1fr, -/// ..range(16) -/// .map(i => rotate(24deg * i)[X]), -/// ) -/// ``` -/// -/// Display: Rotate -/// Category: layout -#[element(Layout)] -pub struct RotateElem { - /// The amount of rotation. - /// - /// ```example - /// #rotate(-1.571rad)[Space!] - /// ``` - /// - #[positional] - pub angle: Angle, - - /// The origin of the rotation. - /// - /// If, for instance, you wanted the bottom left corner of the rotated - /// element to stay aligned with the baseline, you would set it to `bottom + - /// left` instead. - /// - /// ```example - /// #set text(spacing: 8pt) - /// #let square = square.with(width: 8pt) - /// - /// #box(square()) - /// #box(rotate(30deg, origin: center, square())) - /// #box(rotate(30deg, origin: top + left, square())) - /// #box(rotate(30deg, origin: bottom + right, square())) - /// ``` - #[resolve] - #[fold] - #[default(Align::CENTER_HORIZON)] - pub origin: Axes<Option<GenAlign>>, - - /// The content to rotate. - #[required] - pub body: Content, -} - -impl Layout for RotateElem { - #[tracing::instrument(name = "RotateElem::layout", skip_all)] - fn layout( - &self, - vt: &mut Vt, - styles: StyleChain, - regions: Regions, - ) -> SourceResult<Fragment> { - let pod = Regions::one(regions.base(), Axes::splat(false)); - let mut frame = self.body().layout(vt, styles, pod)?.into_frame(); - let Axes { x, y } = - self.origin(styles).zip(frame.size()).map(|(o, s)| o.position(s)); - let ts = Transform::translate(x, y) - .pre_concat(Transform::rotate(self.angle(styles))) - .pre_concat(Transform::translate(-x, -y)); - frame.transform(ts); - Ok(Fragment::frame(frame)) - } -} - -/// Scales content without affecting layout. -/// -/// Lets you mirror content by specifying a negative scale on a single axis. -/// -/// ## Example { #example } -/// ```example -/// #set align(center) -/// #scale(x: -100%)[This is mirrored.] -/// ``` -/// -/// Display: Scale -/// Category: layout -#[element(Layout)] -pub struct ScaleElem { - /// The horizontal scaling factor. - /// - /// The body will be mirrored horizontally if the parameter is negative. - #[parse( - let all = args.find()?; - args.named("x")?.or(all) - )] - #[default(Ratio::one())] - pub x: Ratio, - - /// The vertical scaling factor. - /// - /// The body will be mirrored vertically if the parameter is negative. - #[parse(args.named("y")?.or(all))] - #[default(Ratio::one())] - pub y: Ratio, - - /// The origin of the transformation. - /// - /// ```example - /// A#box(scale(75%)[A])A \ - /// B#box(scale(75%, origin: bottom + left)[B])B - /// ``` - #[resolve] - #[fold] - #[default(Align::CENTER_HORIZON)] - pub origin: Axes<Option<GenAlign>>, - - /// The content to scale. - #[required] - pub body: Content, -} - -impl Layout for ScaleElem { - #[tracing::instrument(name = "ScaleElem::layout", skip_all)] - fn layout( - &self, - vt: &mut Vt, - styles: StyleChain, - regions: Regions, - ) -> SourceResult<Fragment> { - let pod = Regions::one(regions.base(), Axes::splat(false)); - let mut frame = self.body().layout(vt, styles, pod)?.into_frame(); - let Axes { x, y } = - self.origin(styles).zip(frame.size()).map(|(o, s)| o.position(s)); - let transform = Transform::translate(x, y) - .pre_concat(Transform::scale(self.x(styles), self.y(styles))) - .pre_concat(Transform::translate(-x, -y)); - frame.transform(transform); - Ok(Fragment::frame(frame)) - } -} |