From a2354cd4e42728f96f010337b4f35d39ff760d8a Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Mon, 2 May 2011 15:42:46 -0700
Subject: [PATCH] image: fix build accidentally deleted one method TBR=rsc

R=rsc
CC=golang-dev
https://golang.org/cl/4438090
---
 src/pkg/image/image.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/pkg/image/image.go b/src/pkg/image/image.go
index 9f205c1701..222d21adef 100644
--- a/src/pkg/image/image.go
+++ b/src/pkg/image/image.go
@@ -280,6 +280,13 @@ func (p *Alpha) At(x, y int) Color {
 	return p.Pix[y*p.Stride+x]
 }
 
+func (p *Alpha) Set(x, y int, c AlphaColor) {
+	if !p.Rect.Contains(Point{x, y}) {
+		return
+	}
+	p.Pix[y*p.Stride+x] = toAlphaColor(c).(AlphaColor)
+}
+
 func (p *Alpha) SetAlpha(x, y int, c AlphaColor) {
 	if !p.Rect.Contains(Point{x, y}) {
 		return