# HG changeset patch
# User robcast
# Date 1447161432 -3600
# Node ID 1edc05d955cba1bd06c340b60650f507be4af755
# Parent  69c777285d582d8a583f0fbd8d3b77d13e13f571
make sure prepareScaleParams is only called once.

diff -r 69c777285d58 -r 1edc05d955cb common/src/main/java/digilib/image/ImageJobDescription.java
--- a/common/src/main/java/digilib/image/ImageJobDescription.java	Sun Nov 08 18:40:38 2015 +0100
+++ b/common/src/main/java/digilib/image/ImageJobDescription.java	Tue Nov 10 14:17:12 2015 +0100
@@ -798,7 +798,9 @@
     public Rectangle2D getOuterImgArea() throws IOException, ImageOpException {
         if (outerImgArea == null) {
         	// calculate scale parameters
-        	prepareScaleParams();
+        	if (imgArea == null) {
+        		prepareScaleParams();
+        	}
             // start with imgArea
             outerImgArea = imgArea;