*** empty log message ***

[lilypond.git] / lily / include / molecule.hh

diff --git a/lily/include/molecule.hh b/lily/include/molecule.hh
index 41eb304160eea9bb66c784634e4db1b5da2ea353..eedacf62a9fd1c9f01de291b6f171b6b306059cb 100644 (file)
--- a/lily/include/molecule.hh
+++ b/lily/include/molecule.hh
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 #ifndef MOLECULE_HH
 #define MOLECULE_HH
@@ -37,38 +37,32 @@
 
     Empty molecules have empty dimensions.  If add_at_edge is used to
     init the molecule, we assume that
-    DIMENSIONS = (Interval(0,0),Interval(0,0)
+    DIMENSIONS = (Interval (0,0),Interval (0,0)
 */
-class Molecule {
+class Molecule
+{
+  friend SCM ly_molecule_set_extent_x (SCM, SCM, SCM);
+  
   Box dim_;
   SCM expr_;
-
   
-  DECLARE_SIMPLE_SMOBS(Molecule,);  
+  DECLARE_SIMPLE_SMOBS (Molecule,);  
 public:
   Molecule (Box, SCM s);
-  Molecule();
+  Molecule ();
 
 
   SCM smobbed_copy () const;
   SCM get_expr () const;
 
   /**
-     Set dimensions to empty, or to (Interval(0,0),Interval(0,0) */
+     Set dimensions to empty, or to (Interval (0,0),Interval (0,0) */
   void set_empty (bool);
-  void add_at_edge (Axis a, Direction d, const Molecule &m, Real padding);
+  void add_at_edge (Axis a, Direction d, const Molecule &m, Real padding,
+                   Real minimum);
   void add_molecule (Molecule const &m);
   void translate (Offset);
-  
-  /**
-     align D direction in axis A.
-
-     If D == CENTER, then move the dimension(A).center() to (0,0)
-
-     Else, move so dimension(A)[D] == 0.0
-     
-   */
-  void align_to (Axis a, Direction d);
+  void align_to (Axis a, Real x);
   void translate_axis (Real,Axis);
   
   Interval extent (Axis) const;
@@ -77,7 +71,7 @@ public:
      codify THIS into a Scheme expression.
    */
   SCM create_scheme () const;
-  bool empty_b() const;
+  bool empty_b () const;
 
 
   static SCM ly_get_molecule_extent (SCM mol, SCM axis);
@@ -86,8 +80,8 @@ public:
 };
 
 
-Molecule *unsmob_molecule (SCM);
-SCM fontify_atom (Font_metric*, SCM atom);
+DECLARE_UNSMOB(Molecule,molecule);
+SCM fontify_atom (Font_metric const*, SCM atom);
 
 Molecule create_molecule (SCM brew_molecule);