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-rw-r--r--graphics/src/widget/canvas/path.rs79
1 files changed, 79 insertions, 0 deletions
diff --git a/graphics/src/widget/canvas/path.rs b/graphics/src/widget/canvas/path.rs
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+++ b/graphics/src/widget/canvas/path.rs
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+//! Build different kinds of 2D shapes.
+pub mod arc;
+
+mod builder;
+
+#[doc(no_inline)]
+pub use arc::Arc;
+pub use builder::Builder;
+
+use iced_native::{Point, Size};
+
+/// An immutable set of points that may or may not be connected.
+///
+/// A single [`Path`] can represent different kinds of 2D shapes!
+///
+/// [`Path`]: struct.Path.html
+#[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`].
+ ///
+ /// [`Path`]: struct.Path.html
+ /// [`Builder`]: struct.Builder.html
+ 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.
+ ///
+ /// [`Path`]: struct.Path.html
+ 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`.
+ ///
+ /// [`Path`]: struct.Path.html
+ 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.
+ ///
+ /// [`Path`]: struct.Path.html
+ 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.transformed(transform),
+ }
+ }
+}