PDFBOX-5660: optimize, as suggested by Valery Bokov; closes #285

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1929178 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java

@@ -183,11 +183,14 @@ public PDColor getInitialColor()
      */
     private COSArray getDefaultRangeArray()
     {
+        COSFloat minus100 = new COSFloat(-100f);
+        COSFloat plus100 = new COSFloat(100f);
         COSArray range = new COSArray();
-        range.add(new COSFloat(-100));
-        range.add(new COSFloat(100));
-        range.add(new COSFloat(-100));
-        range.add(new COSFloat(100));
+        range.add(minus100);
+        range.add(plus100);
+        range.add(minus100);
+        range.add(plus100);
+        System.out.println("getDefaultRangeArray");
         return range;
     }