Fix lastRow bug.

It was introduced by 99ffc9991e00210d9f4c2dc1a97fee5021553264.

diff --git a/pdf.js b/pdf.js
index 797416c39baacb79c5be51e7caccf1af419b0a89..ff87078b2ef9a83456e8da9bc6f78b7b4274cfc3 100644 (file)
--- a/pdf.js
+++ b/pdf.js
@@ -825,7 +825,7 @@ var PredictorStream = (function() {
         currentRow[i] = rawBytes[i];
       for (; i < rowBytes; ++i) {
         var up = prevRow[i];
-        var upLeft = lastRow[i - pixBytes];
+        var upLeft = prevRow[i - pixBytes];
         var left = currentRow[i - pixBytes];
         var p = left + up - upLeft;