From d64882ffbf73522afe16cb8c9b65f279598beff5 Mon Sep 17 00:00:00 2001
From: Guillaume DALLENNE <dallenneguillaume@gmail.com>
Date: Sat, 29 Aug 2020 01:50:49 +0200
Subject: [PATCH] add Color::rgb_u8 and Color::rgba_u8 (#381)

---
 crates/bevy_render/src/color.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/crates/bevy_render/src/color.rs b/crates/bevy_render/src/color.rs
index c747a5838fd5b..25e7ff299d5fc 100644
--- a/crates/bevy_render/src/color.rs
+++ b/crates/bevy_render/src/color.rs
@@ -37,6 +37,21 @@ impl Color {
     pub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Color {
         Color { r, g, b, a }
     }
+
+    pub fn rgb_u8(r: u8, g: u8, b: u8) -> Color {
+        Color::rgba_u8(r, g, b, u8::MAX)
+    }
+
+    // Float operations in const fn are not stable yet
+    // see https://github.com/rust-lang/rust/issues/57241
+    pub fn rgba_u8(r: u8, g: u8, b: u8, a: u8) -> Color {
+        Color::rgba(
+            r as f32 / u8::MAX as f32,
+            g as f32 / u8::MAX as f32,
+            b as f32 / u8::MAX as f32,
+            a as f32 / u8::MAX as f32,
+        )
+    }
 }
 
 impl Default for Color {