From 91ca4b143db20394a07906b58e5c292cf4ead3f1 Mon Sep 17 00:00:00 2001
From: Tayfun Yasar <ysrtayfun@gmail.com>
Date: Sat, 23 Nov 2024 01:40:59 +0300
Subject: [PATCH] add error message (#694)

---
 src/contours.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/contours.rs b/src/contours.rs
index dcdafb3b..0a74294d 100644
--- a/src/contours.rs
+++ b/src/contours.rs
@@ -147,8 +147,10 @@ where
                     let mut pos3 = curr;
 
                     loop {
-                        contour_points
-                            .push(Point::new(cast(pos3.x).unwrap(), cast(pos3.y).unwrap()));
+                        contour_points.push(Point::new(
+                            cast(pos3.x).expect("Generic Type Parameter T should be bigger than width."),
+                            cast(pos3.y).expect("Generic Type Parameter T should be bigger than height."),
+                        ));
                         rotate_to_value(&mut diffs, pos2.to_i32() - pos3.to_i32());
                         let pos4 = diffs
                             .iter()