works well

1 files changed, 15 insertions, 1 deletions

diff --git a/lvc/src/impls.rs b/lvc/src/impls.rs
index 0801361..00614c9 100644
--- a/lvc/src/impls.rs
+++ b/lvc/src/impls.rs
@@ -88,7 +88,10 @@ impl Index<P2> for Frame {
     type Output = Pixel;
     #[inline]
     fn index(&self, P2 { x, y }: P2) -> &Self::Output {
-        &self.pixels[x as usize + (y as usize * self.size.x as usize)]
+        &self
+            .pixels
+            .get(x as usize + (y as usize * self.size.x as usize))
+            .unwrap_or(&Pixel { r: 0, g: 0, b: 0 })
     }
 }
 impl IndexMut<P2> for Frame {
@@ -97,3 +100,14 @@ impl IndexMut<P2> for Frame {
         &mut self.pixels[x as usize + (y as usize * self.size.x as usize)]
     }
 }
+
+pub trait ToArray {
+    type Output;
+    fn to_array(self) -> [Self::Output; 2];
+}
+impl<A> ToArray for (A, A) {
+    type Output = A;
+    fn to_array(self) -> [A; 2] {
+        [self.0, self.1]
+    }
+}