From 16b3a5c296ba546af5fd842c213ba840b09b695b Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sat, 16 Nov 2019 16:38:55 +0900
Subject: [PATCH] buffered: Bug fix: Needed to copy pixels when buffering

Updates #983
---
 internal/buffered/image.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/buffered/image.go b/internal/buffered/image.go
index 6414a0a21..7dd9cb956 100644
--- a/internal/buffered/image.go
+++ b/internal/buffered/image.go
@@ -205,7 +205,9 @@ func (i *Image) ReplacePixels(pix []byte) {
 	delayedCommandsM.Lock()
 	if needsToDelayCommands {
 		delayedCommands = append(delayedCommands, func() {
-			i.img.ReplacePixels(pix)
+			copied := make([]byte, len(pix))
+			copy(copied, pix)
+			i.img.ReplacePixels(copied)
 		})
 		delayedCommandsM.Unlock()
 		return