From df0f77b91c7a24c5d40aac999853994a0875e44a Mon Sep 17 00:00:00 2001
From: Joshua Granick <jgranick@users.noreply.github.com>
Date: Tue, 20 Nov 2018 08:57:32 -0800
Subject: [PATCH] Skip pixel translation in blur if no offset or strength
 change

---
 src/lime/_internal/graphics/ImageDataUtil.hx | 42 ++++++++++----------
 1 file changed, 22 insertions(+), 20 deletions(-)

diff --git a/src/lime/_internal/graphics/ImageDataUtil.hx b/src/lime/_internal/graphics/ImageDataUtil.hx
index 1b6e3e005..e03b4bafd 100644
--- a/src/lime/_internal/graphics/ImageDataUtil.hx
+++ b/src/lime/_internal/graphics/ImageDataUtil.hx
@@ -781,30 +781,32 @@ class ImageDataUtil {
 			bIndex += 2;
 		}
 
-		var x: Int;
-		var y: Int;
-		if (offset <= 0) {
-			y = 0;
-			while (y < h) {
-				x = 0;
-				while (x < w) {
-					translatePixel(imgB, sourceImage.rect, image.rect, destPoint, x, y, strength);
-					x += 1;
+		var x:Int;
+		var y:Int;
+		if (offset != 0 || strength != 1) {
+			if (offset <= 0) {
+				y = 0;
+				while (y < h) {
+					x = 0;
+					while (x < w) {
+						translatePixel(imgB, sourceImage.rect, image.rect, destPoint, x, y, strength);
+						x += 1;
+					}
+					y += 1;
 				}
-				y += 1;
-			}
-		} else {
-			y = h-1;
-			while (y >= 0 ) {
-				x = w-1;
-				while (x >= 0) {
-					translatePixel(imgB, sourceImage.rect, image.rect, destPoint, x, y, strength);
-					x -= 1;
+			} else {
+				y = h-1;
+				while (y >= 0 ) {
+					x = w-1;
+					while (x >= 0) {
+						translatePixel(imgB, sourceImage.rect, image.rect, destPoint, x, y, strength);
+						x -= 1;
+					}
+					y -= 1;
 				}
-				y -= 1;
 			}
 		}
-		
+
 		image.dirty = true;
 		image.version++;
 		sourceImage.dirty = true;