From 69e989f8343811f4edb0457d49c20d8af88191ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Wed, 1 Jun 2011 13:42:22 +0100
Subject: [PATCH] No need to set dst[i + 3] again after changing dA2, since we
 are now only setting it after calling process() from the main loop.

---
 src/util/BlendMode.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/util/BlendMode.js b/src/util/BlendMode.js
index c620a14a..bf5e5d70 100644
--- a/src/util/BlendMode.js
+++ b/src/util/BlendMode.js
@@ -143,22 +143,21 @@ var BlendMode = {
 				// Only differs from Photoshop in low - opacity areas
 				dA2 = sA * dA;
 				demultiply = 255 / dA2;
-				dst[i + 3] = dA2 * 255;
 				dst[i]     = sRA * dA * demultiply;
 				dst[i + 1] = sGA * dA * demultiply;
 				dst[i + 2] = sBA * dA * demultiply;
 			},
 
 			add: function(i) {
-				// Photoshop doesn't simply add the alpha channels; this might be correct wrt SVG 1.2
+				// Photoshop doesn't simply add the alpha channels,
+				// this might be correct wrt SVG 1.2
 				dA2 = min(1, sA + dA);
-				dst[i + 3] = dA2 * 255;
 				demultiply = 255 / dA2;
 				dst[i]     = min(sRA + dRA, 1) * demultiply;
 				dst[i + 1] = min(sGA + dGA, 1) * demultiply;
 				dst[i + 2] = min(sBA + dBA, 1) * demultiply;
 			}
-		}
+		};
 
 		var process = modes[blendMode] || modes.unsupported;