Implement Canvas support for iced_tiny_skia

graphics/src/widget/canvas/path.rs

@@ -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),
-            },
-        );
-    })
-}