diff options
author | 2023-03-01 21:34:26 +0100 | |
---|---|---|
committer | 2023-03-01 21:34:26 +0100 | |
commit | 5fd5d1cdf8e5354788dc40729c4565ef377d3bba (patch) | |
tree | 0921efc7dc13a3050e03482147a791f85515f1f2 /graphics/src/widget/canvas/path.rs | |
parent | 3f6e28fa9b1b8d911f765c9efb5249a9e0c942d5 (diff) | |
download | iced-5fd5d1cdf8e5354788dc40729c4565ef377d3bba.tar.gz iced-5fd5d1cdf8e5354788dc40729c4565ef377d3bba.tar.bz2 iced-5fd5d1cdf8e5354788dc40729c4565ef377d3bba.zip |
Implement `Canvas` support for `iced_tiny_skia`
Diffstat (limited to 'graphics/src/widget/canvas/path.rs')
-rw-r--r-- | graphics/src/widget/canvas/path.rs | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/graphics/src/widget/canvas/path.rs b/graphics/src/widget/canvas/path.rs deleted file mode 100644 index aeb2589e..00000000 --- a/graphics/src/widget/canvas/path.rs +++ /dev/null @@ -1,109 +0,0 @@ -//! Build different kinds of 2D shapes. -pub mod arc; - -mod builder; - -#[doc(no_inline)] -pub use arc::Arc; -pub use builder::Builder; - -use crate::widget::canvas::LineDash; - -use iced_native::{Point, Size}; -use lyon::algorithms::walk::{walk_along_path, RepeatedPattern, WalkerEvent}; -use lyon::path::iterator::PathIterator; - -/// An immutable set of points that may or may not be connected. -/// -/// A single [`Path`] can represent different kinds of 2D shapes! -#[derive(Debug, Clone)] -pub struct Path { - raw: lyon::path::Path, -} - -impl Path { - /// Creates a new [`Path`] with the provided closure. - /// - /// Use the [`Builder`] to configure your [`Path`]. - pub fn new(f: impl FnOnce(&mut Builder)) -> Self { - let mut builder = Builder::new(); - - // TODO: Make it pure instead of side-effect-based (?) - f(&mut builder); - - builder.build() - } - - /// Creates a new [`Path`] representing a line segment given its starting - /// and end points. - pub fn line(from: Point, to: Point) -> Self { - Self::new(|p| { - p.move_to(from); - p.line_to(to); - }) - } - - /// Creates a new [`Path`] representing a rectangle given its top-left - /// corner coordinate and its `Size`. - pub fn rectangle(top_left: Point, size: Size) -> Self { - Self::new(|p| p.rectangle(top_left, size)) - } - - /// Creates a new [`Path`] representing a circle given its center - /// coordinate and its radius. - pub fn circle(center: Point, radius: f32) -> Self { - Self::new(|p| p.circle(center, radius)) - } - - #[inline] - pub(crate) fn raw(&self) -> &lyon::path::Path { - &self.raw - } - - #[inline] - pub(crate) fn transformed( - &self, - transform: &lyon::math::Transform, - ) -> Path { - Path { - raw: self.raw.clone().transformed(transform), - } - } -} - -pub(super) fn dashed(path: &Path, line_dash: LineDash<'_>) -> Path { - Path::new(|builder| { - let segments_odd = (line_dash.segments.len() % 2 == 1) - .then(|| [line_dash.segments, line_dash.segments].concat()); - - let mut draw_line = false; - - walk_along_path( - path.raw().iter().flattened(0.01), - 0.0, - lyon::tessellation::StrokeOptions::DEFAULT_TOLERANCE, - &mut RepeatedPattern { - callback: |event: WalkerEvent<'_>| { - let point = Point { - x: event.position.x, - y: event.position.y, - }; - - if draw_line { - builder.line_to(point); - } else { - builder.move_to(point); - } - - draw_line = !draw_line; - - true - }, - index: line_dash.offset, - intervals: segments_odd - .as_deref() - .unwrap_or(line_dash.segments), - }, - ); - }) -} |