From e0615451b48e1ca3524a4d964174c4ff33349374 Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Sun, 9 Apr 2017 23:03:30 +0200
Subject: [PATCH] add RGB and Alpha functions
---
color.go | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/color.go b/color.go
index 46e6c30..94b2b65 100644
--- a/color.go
+++ b/color.go
@@ -9,6 +9,16 @@ type RGBA struct {
R, G, B, A float64
}
+// RGB returns a fully opaque RGBA color with the given RGB values.
+func RGB(r, g, b float64) RGBA {
+ return RGBA{r, g, b, 1}
+}
+
+// Alpha returns a while RGBA color with the given alpha component.
+func Alpha(a float64) RGBA {
+ return RGBA{a, a, a, a}
+}
+
// Add adds color d to color c component-wise and returns the result (the components are not
// clamped).
func (c RGBA) Add(d RGBA) RGBA {
--
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