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| author | Laurenz <laurmaedje@gmail.com> | 2023-07-02 19:59:52 +0200 |
|---|---|---|
| committer | Laurenz <laurmaedje@gmail.com> | 2023-07-02 20:07:43 +0200 |
| commit | ebfdb1dafa430786db10dad2ef7d5467c1bdbed1 (patch) | |
| tree | 2bbc24ddb4124c4bb14dec0e536129d4de37b056 /library/src/visualize/line.rs | |
| parent | 3ab19185093d7709f824b95b979060ce125389d8 (diff) | |
Move everything into `crates/` directory
Diffstat (limited to 'library/src/visualize/line.rs')
| -rw-r--r-- | library/src/visualize/line.rs | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/library/src/visualize/line.rs b/library/src/visualize/line.rs deleted file mode 100644 index 62a381a9..00000000 --- a/library/src/visualize/line.rs +++ /dev/null @@ -1,118 +0,0 @@ -use crate::prelude::*; - -/// A line from one point to another. -/// -/// ## Example { #example } -/// ```example -/// #set page(height: 100pt) -/// -/// #line(length: 100%) -/// #line(end: (50%, 50%)) -/// #line( -/// length: 4cm, -/// stroke: 2pt + maroon, -/// ) -/// ``` -/// -/// Display: Line -/// Category: visualize -#[element(Layout)] -pub struct LineElem { - /// The start point of the line. - /// - /// Must be an array of exactly two relative lengths. - #[resolve] - pub start: Axes<Rel<Length>>, - - /// The offset from `start` where the line ends. - #[resolve] - pub end: Option<Axes<Rel<Length>>>, - - /// The line's length. This is only respected if `end` is `none`. - #[resolve] - #[default(Abs::pt(30.0).into())] - pub length: Rel<Length>, - - /// The angle at which the line points away from the origin. This is only - /// respected if `end` is `none`. - pub angle: Angle, - - /// How to stroke the line. This can be: - /// - /// - A length specifying the stroke's thickness. The color is inherited, - /// defaulting to black. - /// - A color to use for the stroke. The thickness is inherited, defaulting - /// to `{1pt}`. - /// - A stroke combined from color and thickness using the `+` operator as - /// in `{2pt + red}`. - /// - A stroke described by a dictionary with any of the following keys: - /// - `paint`: The [color]($type/color) to use for the stroke. - /// - `thickness`: The stroke's thickness as a [length]($type/length). - /// - `cap`: How the line terminates. One of `{"butt"}`, `{"round"}`, or - /// `{"square"}`. - /// - `join`: How sharp turns of a contour are rendered. One of - /// `{"miter"}`, `{"round"}`, or `{"bevel"}`. Not applicable to lines - /// but to [polygons]($func/polygon) or [paths]($func/path). - /// - `miter-limit`: Number at which protruding sharp angles are rendered - /// with a bevel instead. The higher the number, the sharper an angle - /// can be before it is bevelled. Only applicable if `join` is - /// `{"miter"}`. Defaults to `{4.0}`. - /// - `dash`: The dash pattern to use. Can be any of the following: - /// - One of the predefined patterns `{"solid"}`, `{"dotted"}`, - /// `{"densely-dotted"}`, `{"loosely-dotted"}`, `{"dashed"}`, - /// `{"densely-dashed"}`, `{"loosely-dashed"}`, `{"dash-dotted"}`, - /// `{"densely-dash-dotted"}` or `{"loosely-dash-dotted"}` - /// - An [array]($type/array) with alternating lengths for dashes and - /// gaps. You can also use the string `{"dot"}` for a length equal to - /// the line thickness. - /// - A [dictionary]($type/dictionary) with the keys `array` (same as - /// the array above), and `phase` (of type [length]($type/length)), - /// which defines where in the pattern to start drawing. - /// - /// ```example - /// #set line(length: 100%) - /// #stack( - /// spacing: 1em, - /// line(stroke: 2pt + red), - /// line(stroke: (paint: blue, thickness: 4pt, cap: "round")), - /// line(stroke: (paint: blue, thickness: 1pt, dash: "dashed")), - /// line(stroke: (paint: blue, thickness: 1pt, dash: ("dot", 2pt, 4pt, 2pt))), - /// ) - /// ``` - #[resolve] - #[fold] - pub stroke: PartialStroke, -} - -impl Layout for LineElem { - #[tracing::instrument(name = "LineElem::layout", skip_all)] - fn layout( - &self, - _: &mut Vt, - styles: StyleChain, - regions: Regions, - ) -> SourceResult<Fragment> { - let resolve = |axes: Axes<Rel<Abs>>| { - axes.zip(regions.base()).map(|(l, b)| l.relative_to(b)) - }; - - let start = resolve(self.start(styles)); - let delta = - self.end(styles).map(|end| resolve(end) - start).unwrap_or_else(|| { - let length = self.length(styles); - let angle = self.angle(styles); - let x = angle.cos() * length; - let y = angle.sin() * length; - resolve(Axes::new(x, y)) - }); - - let stroke = self.stroke(styles).unwrap_or_default(); - let size = start.max(start + delta).max(Size::zero()); - let target = regions.expand.select(regions.size, size); - - let mut frame = Frame::new(target); - let shape = Geometry::Line(delta.to_point()).stroked(stroke); - frame.push(start.to_point(), FrameItem::Shape(shape, self.span())); - Ok(Fragment::frame(frame)) - } -} |
