1 files changed, 45 insertions, 0 deletions
diff --git a/src/org/apache/fop/fo/pagination/RegionSE.java b/src/org/apache/fop/fo/pagination/RegionSE.java
new file mode 100644
index 000000000..92db1075d
--- /dev/null
+++ b/src/org/apache/fop/fo/pagination/RegionSE.java
@@ -0,0 +1,45 @@
+/*
+ * $Id$
+ * 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.
+ */
+
+package org.apache.fop.fo.pagination;
+
+
+import org.apache.fop.fo.*;
+import org.apache.fop.apps.FOPException;
+
+import java.awt.Rectangle;
+
+public abstract class RegionSE extends RegionBASE {
+
+    protected RegionSE(FONode parent) {
+        super(parent);
+    }
+
+    /**
+     * Adjust the viewport reference rectangle for a region as a function
+     * of precedence.
+     * If  before and after have precedence = true, the start and end
+     * regions only go to the limits of their extents, otherwise
+     * they extend in the BPD to the page reference rectangle
+     * diminish by extend of start and end if present.
+     */
+    protected void adjustIPD(Rectangle refRect) {
+	int yoff = 0;
+	Region before = getSiblingRegion(Region.BEFORE);
+	if (before != null && before.getPrecedence()) {
+	    yoff = before.getExtent();
+	    refRect.translate(0, yoff);
+	}
+	Region after = getSiblingRegion(Region.AFTER);
+	if (after != null && after.getPrecedence()) {
+	    yoff += after.getExtent();
+	}
+	if (yoff > 0) {
+	    refRect.grow(0,-yoff);
+	}
+    }
+}