From 3e5b13abeba6c40665e62cd995e750a478cc9485 Mon Sep 17 00:00:00 2001
From: srowen <srowen@59b500cc-1b3d-0410-9834-0bbf25fbcc57>
Date: Mon, 25 Feb 2008 23:22:01 +0000
Subject: [PATCH] Take more advantage of TRY_HARDER

git-svn-id: https://zxing.googlecode.com/svn/trunk@233 59b500cc-1b3d-0410-9834-0bbf25fbcc57
---
 core/src/com/google/zxing/oned/AbstractOneDReader.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/src/com/google/zxing/oned/AbstractOneDReader.java b/core/src/com/google/zxing/oned/AbstractOneDReader.java
index 756d28a7f..f107a4852 100644
--- a/core/src/com/google/zxing/oned/AbstractOneDReader.java
+++ b/core/src/com/google/zxing/oned/AbstractOneDReader.java
@@ -40,6 +40,8 @@ public abstract class AbstractOneDReader implements OneDReader {
 
   public final Result decode(MonochromeBitmapSource image, Hashtable hints) throws ReaderException {
 
+    boolean tryHarder = hints != null && hints.contains(DecodeHintType.TRY_HARDER);
+
     int width = image.getWidth();
     int height = image.getHeight();
 
@@ -53,7 +55,8 @@ public abstract class AbstractOneDReader implements OneDReader {
     // that moving up and down by about 1/16 of the image is pretty good.
     int middle = height >> 1;
     int rowStep = Math.max(1, height >> 4);
-    for (int x = 0; x < 7; x++) {
+    int maxLines = tryHarder ? 15 : 7;
+    for (int x = 0; x < maxLines; x++) {
 
       int rowStepsAboveOrBelow = (x + 1) >> 1;
       boolean isAbove = (x & 0x01) == 0; // i.e. is x even?
@@ -68,7 +71,7 @@ public abstract class AbstractOneDReader implements OneDReader {
       try {
         return decodeRow(rowNumber, row, hints);
       } catch (ReaderException re) {
-        if (hints != null && hints.contains(DecodeHintType.TRY_HARDER)) {
+        if (tryHarder) {
           row.reverse(); // try scanning the row backwards
           try {
             return decodeRow(rowNumber, row, hints);