Implement Canvas support for iced_tiny_skia

wgpu/src/widget/canvas/geometry.rs

@@ -0,0 +1,24 @@
+use crate::Primitive;
+
+/// A bunch of shapes that can be drawn.
+///
+/// [`Geometry`] can be easily generated with a [`Frame`] or stored in a
+/// [`Cache`].
+///
+/// [`Frame`]: crate::widget::canvas::Frame
+/// [`Cache`]: crate::widget::canvas::Cache
+#[derive(Debug, Clone)]
+pub struct Geometry(Primitive);
+
+impl Geometry {
+    pub(crate) fn from_primitive(primitive: Primitive) -> Self {
+        Self(primitive)
+    }
+
+    /// Turns the [`Geometry`] into a [`Primitive`].
+    ///
+    /// This can be useful if you are building a custom widget.
+    pub fn into_primitive(self) -> Primitive {
+        self.0
+    }
+}