From 8f0a78a8c94a2bba9e8edf054ae194cf7b2d0c7f Mon Sep 17 00:00:00 2001
From: Ivan Smirnov <i.s.smirnov@gmail.com>
Date: Wed, 1 Dec 2021 16:04:04 +0000
Subject: [PATCH] Add Header::n_pixels()

---
 src/header.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/header.rs b/src/header.rs
index 9369b1b..c1cd526 100644
--- a/src/header.rs
+++ b/src/header.rs
@@ -57,4 +57,8 @@ impl Header {
         out.colorspace = v[13].into();
         out
     }
+
+    pub const fn n_pixels(&self) -> usize {
+        (self.width as usize).saturating_mul(self.height as usize)
+    }
 }