From 29871f72f1a1dd641069615743a2e425225f1c0d Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Thu, 5 Jan 2017 14:50:09 +0100
Subject: [PATCH] minor change

---
 color.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/color.go b/color.go
index 032f406..c0f7f1e 100644
--- a/color.go
+++ b/color.go
@@ -66,7 +66,9 @@ func (c NRGBA) RGBA() (r, g, b, a uint32) {
 }
 
 // NRGBAModel converts colors to NRGBA format.
-var NRGBAModel = color.ModelFunc(func(c color.Color) color.Color {
+var NRGBAModel = color.ModelFunc(nrgbaModel)
+
+func nrgbaModel(c color.Color) color.Color {
 	if c, ok := c.(NRGBA); ok {
 		return c
 	}
@@ -80,4 +82,4 @@ var NRGBAModel = color.ModelFunc(func(c color.Color) color.Color {
 		float64(b) / float64(a),
 		float64(a) / 0xffff,
 	}
-})
+}
-- 
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