From 9c067562fa765cfc49d09cd9b12fbba96d5619fa Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Tue, 18 Feb 2020 08:48:54 +0100
Subject: Write documentation for new `canvas` module

---
 wgpu/src/widget/canvas/path/arc.rs | 44 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 wgpu/src/widget/canvas/path/arc.rs

(limited to 'wgpu/src/widget/canvas/path/arc.rs')

diff --git a/wgpu/src/widget/canvas/path/arc.rs b/wgpu/src/widget/canvas/path/arc.rs
new file mode 100644
index 00000000..343191f1
--- /dev/null
+++ b/wgpu/src/widget/canvas/path/arc.rs
@@ -0,0 +1,44 @@
+//! Build and draw curves.
+use iced_native::{Point, Vector};
+
+/// A segment of a differentiable curve.
+#[derive(Debug, Clone, Copy)]
+pub struct Arc {
+    /// The center of the arc.
+    pub center: Point,
+    /// The radius of the arc.
+    pub radius: f32,
+    /// The start of the segment's angle, clockwise rotation.
+    pub start_angle: f32,
+    /// The end of the segment's angle, clockwise rotation.
+    pub end_angle: f32,
+}
+
+/// An elliptical [`Arc`].
+///
+/// [`Arc`]: struct.Arc.html
+#[derive(Debug, Clone, Copy)]
+pub struct Elliptical {
+    /// The center of the arc.
+    pub center: Point,
+    /// The radii of the arc's ellipse, defining its axes.
+    pub radii: Vector,
+    /// The rotation of the arc's ellipse.
+    pub rotation: f32,
+    /// The start of the segment's angle, clockwise rotation.
+    pub start_angle: f32,
+    /// The end of the segment's angle, clockwise rotation.
+    pub end_angle: f32,
+}
+
+impl From<Arc> for Elliptical {
+    fn from(arc: Arc) -> Elliptical {
+        Elliptical {
+            center: arc.center,
+            radii: Vector::new(arc.radius, arc.radius),
+            rotation: 0.0,
+            start_angle: arc.start_angle,
+            end_angle: arc.end_angle,
+        }
+    }
+}
-- 
cgit