Fix page-count with systems-per-page.

[lilypond.git] / lily / box.cc

diff --git a/lily/box.cc b/lily/box.cc
index f82325d20bc8b7650db5ca14f69426dbc2dc8ef1..7b80d67f153461a7c3a4fab58b2eac7cd6bde93c 100644 (file)
--- a/lily/box.cc
+++ b/lily/box.cc
@@ -1,56 +1,63 @@
 /*
-  box.cc -- implement Box
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1996--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1996--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "box.hh"
-#include "array.hh"
 
 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.
- */
-Box::Box()
-{        
+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)
 {
-  x() = ix;
-  y() = iy;
+  x () = ix;
+  y () = iy;
 }
 
 Interval &
-Box::operator[] (Axis a)
+Box::operator [] (Axis a)
 {
   return interval_a_[a];
 }
 
 Interval
-Box::operator[] (Axis a)const
+Box::operator [] (Axis a) const
 {
   return interval_a_[a];
 }
@@ -61,3 +68,45 @@ 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);
+}
+
+/****************************************************************/
+
+#include "ly-smobs.icc"
+
+IMPLEMENT_SIMPLE_SMOBS (Box);
+IMPLEMENT_TYPE_P (Box, "ly:box?");
+IMPLEMENT_DEFAULT_EQUAL_P (Box);
+
+SCM
+Box::mark_smob (SCM /* x */)
+{
+  return SCM_EOL;
+}
+
+int
+Box::print_smob (SCM /* x */, SCM p, scm_print_state*)
+{
+  scm_puts ("#<Box>", p);
+  return 1;
+}