* flower

[lilypond.git] / lily / box.cc

diff --git a/lily/box.cc b/lily/box.cc
index 03be5e9a0ab69f830553eeedb91f5d89a88ea01e..bd15a691f9aeeda9a5483874d54e3d068dc05dbf 100644 (file)
--- a/lily/box.cc
+++ b/lily/box.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 #include "box.hh"
@@ -12,29 +12,29 @@
 void
 Box::translate (Offset o)
 {
-  for (Axis i=X_AXIS; i < NO_AXES; incr (i))
+  for (Axis i = X_AXIS; i < NO_AXES; incr (i))
     interval_a_[i] += o[i];
 }
 
 void
 Box::unite (Box b)
 {
-  for (Axis i=X_AXIS; i < NO_AXES; incr (i))
+  for (Axis i = X_AXIS; i < NO_AXES; incr (i))
     interval_a_[i].unite (b[i]);
 }
 
 /**
-  Initialize to empty.
- */
+   Initialize to empty.
+*/
 Box::Box ()
-{        
+{
 }
 
 void
 Box::set_empty ()
 {
   interval_a_[X_AXIS].set_empty ();
-  interval_a_[Y_AXIS].set_empty (); 
+  interval_a_[Y_AXIS].set_empty ();
 }
 
 Box::Box (Interval ix, Interval iy)
@@ -50,7 +50,7 @@ Box::operator[] (Axis a)
 }
 
 Interval
-Box::operator[] (Axis a)const
+Box::operator[] (Axis a) const
 {
   return interval_a_[a];
 }
@@ -61,3 +61,24 @@ Box::scale (Real s)
   interval_a_[X_AXIS] *= s;
   interval_a_[Y_AXIS] *= s;
 }
+
+void
+Box::add_point (Offset o)
+{
+  interval_a_[X_AXIS].add_point (o[X_AXIS]);
+  interval_a_[Y_AXIS].add_point (o[Y_AXIS]);
+}
+
+Offset
+Box::center () const
+{
+  return Offset (interval_a_[X_AXIS].center (),
+                interval_a_[Y_AXIS].center ());
+}
+
+void
+Box::widen (Real x, Real y)
+{
+  interval_a_[X_AXIS].widen (x);
+  interval_a_[Y_AXIS].widen (y);
+}