First requirements for reference-area FOs

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@195141 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/org/apache/fop/fo/ReferenceAreaFO.java b/src/org/apache/fop/fo/ReferenceAreaFO.java
new file mode 100644 (file)
index 0000000..1c4dc05
--- /dev/null
+++ b/src/org/apache/fop/fo/ReferenceAreaFO.java
@@ -0,0 +1,21 @@
+package org.apache.fop.fo;
+
+import org.apache.fop.fo.expr.PropertyException;
+
+/*
+ * $Id$
+ *
+ * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
+ * For details on use and redistribution please refer to the
+ * LICENSE file included with these sources.
+ * @author <a href="mailto:pbwest@powerup.com.au">Peter B. West</a>
+ * @version $Revision$ $Name$
+ */
+/**
+ * Base interface for all FOs which are generate reference areas.
+ */
+
+public interface ReferenceAreaFO {
+    public void setWritingMode(int mode);
+    public int getWritingMode();
+}