From 104f22876843e0ac6888281b93423c70a1df0fb4 Mon Sep 17 00:00:00 2001
From: Simon Cozens <simon@simon-cozens.org>
Date: Sun, 16 May 2021 21:52:33 +0100
Subject: [PATCH] Add transform() method to ContourPoint

---
 src/glyph/mod.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/glyph/mod.rs b/src/glyph/mod.rs
index 6f4b3358..bd14f1cb 100644
--- a/src/glyph/mod.rs
+++ b/src/glyph/mod.rs
@@ -535,6 +535,14 @@ impl ContourPoint {
     pub fn to_kurbo(&self) -> kurbo::Point {
         kurbo::Point::new(self.x as f64, self.y as f64)
     }
+
+    /// Applies a transformation matrix to the point's coordinates
+    pub fn transform(&mut self, transform: AffineTransform) {
+        let new_x = transform.x_scale * self.x + transform.yx_scale * self.y + transform.x_offset;
+        let new_y = transform.xy_scale * self.x + transform.y_scale * self.y + transform.y_offset;
+        self.x = new_x;
+        self.y = new_y;
+    }
 }
 
 impl Component {