From a66b45f6c2f07a4fbaba567e170d594956e4c82d Mon Sep 17 00:00:00 2001
From: Daniel Oom <daoo314@gmail.com>
Date: Tue, 26 Mar 2024 21:53:24 +0100
Subject: [PATCH] Implement ImageBuffer::add_mut

---
 src/image_buffer.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/image_buffer.rs b/src/image_buffer.rs
index 506c0918..3690b7c1 100644
--- a/src/image_buffer.rs
+++ b/src/image_buffer.rs
@@ -49,6 +49,13 @@ impl ImageBuffer {
         )
     }
 
+    pub fn add_mut(&mut self, rhs: Self) {
+        self.0
+            .iter_mut()
+            .zip(rhs.0.iter())
+            .for_each(|(a, b)| *a += *b)
+    }
+
     pub fn add_pixel_mut(&mut self, x: u32, y: u32, value: [f32; 3]) {
         self.0[(x, y)][0] += value[0];
         self.0[(x, y)][1] += value[1];