diff -r 000000000000 -r d4b49c6c6069 geometry.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/geometry.cpp	Wed Jan 16 15:45:19 2008 +0000
@@ -0,0 +1,41 @@
+#include "geometry.h"
+
+
+QRectF addBBox(QRectF r1, QRectF r2)
+{	
+	// Find smallest QRectF containing given rectangles
+
+	QRectF n;
+	// Set left border
+	if (r1.left() <= r2.left() )
+		n.setLeft(r1.left() );
+	else
+		n.setLeft(r2.left() );
+		
+	// Set top border		
+	if (r1.top() <= r2.top() )
+		n.setTop(r1.top() );
+	else
+		n.setTop(r2.top() );
+		
+	// Set right border
+	if (r1.right() <= r2.right() )
+		n.setRight(r2.right() );
+	else
+		n.setRight(r1.right() );
+		
+	// Set bottom 
+	if (r1.bottom() <= r2.bottom() )
+		n.setBottom(r2.bottom() );
+	else
+		n.setBottom(r1.bottom() );
+	return n;
+}
+
+bool inBox(const QPointF &p, const QRectF &box)
+{
+    if (p.x() >= box.left() && p.x() <= box.right()  
+	&& p.y() <= box.bottom() && p.y() >= box.top() )
+		return true;
+    return false;	
+}