reduced running through matrix once

JOSM · Oct 9, 2014 · 7316682 · 7316682
1 parent 5f1ab93
commit 7316682
Showing 1 changed file with 2 additions and 10 deletions.
diff --git a/src/org/openstreetmap/josm/plugins/areaselector/ImageAnalyzer.java b/src/org/openstreetmap/josm/plugins/areaselector/ImageAnalyzer.java
@@ -606,23 +606,15 @@ public boolean[][] applyKernelDiff(boolean [][] src, int[] kernel){
 		// apply the kernel to get edge pixels
 		boolean[][] dest=applyKernel(src,kernel);
 
-
-
 		// and now erase the found pixels
 		boolean[][] erased=new boolean[src.length][src[0].length];
-		// make a deep copy 
-		for(int y=0;y<src.length;y++){
-			for (int x=0; x<src[y].length; x++){
-				erased[y][x]=src[y][x];
-			}
-		}
-
-
 		for(int y=0;y<dest.length;y++){
 			for (int x=0; x<dest[y].length; x++){
 
 				if(dest[y][x]){
 					erased[y][x]=false;
+				}else {
+					erased[y][x]=src[y][x];
 				}
 			}
 		}