X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fbezier.hh;h=88ff5dbbbf6f2c9f69f6496a96383bfc7d996956;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=0b6e1f2283705c6bcf5e4f6af9a32df620f0a563;hpb=e24df7c27635dc996c466295eacf2981bddccaf7;p=lilypond.git

diff --git a/lily/include/bezier.hh b/lily/include/bezier.hh
index 0b6e1f2283..88ff5dbbbf 100644
--- a/lily/include/bezier.hh
+++ b/lily/include/bezier.hh
@@ -1,57 +1,74 @@
 /*
-  bezier.hh -- declare Bezier and Bezier_bow
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1998--2014 Jan Nieuwenhuizen <janneke@gnu.org>
+
+  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/>.
 */
 
 #ifndef BEZIER_HH
 #define BEZIER_HH
 
-
 #include "interval.hh"
 #include "offset.hh"
 #include "polynomial.hh"
 
 /**
-  Simple bezier curve
- */
+   Simple bezier curve
+*/
 class Bezier
 {
 public:
   void assert_sanity () const;
-  void scale (Real x,Real y);
+  void scale (Real x, Real y);
   void reverse ();
   void rotate (Real);
   void translate (Offset);
+  void subdivide (Real, Bezier *, Bezier *) const;
+  Bezier extract (Real, Real) const;
 
   Real get_other_coordinate (Axis a, Real x) const;
-  Array<Real> solve_point (Axis, Real coordinate) const;
-  Array<Real> solve_derivative (Offset) const;
-  Interval extent (Axis)const;
+  vector<Real> get_other_coordinates (Axis a, Real x) const;
+  vector<Real> solve_point (Axis, Real coordinate) const;
+  Real minmax (Axis, Real, Real, Direction) const;
+  vector<Real> solve_derivative (Offset) const;
+  Interval extent (Axis) const;
+  Interval control_point_extent (Axis) const;
+
   Polynomial polynomial (Axis)const;
   Offset curve_point (Real t) const;
+  Real slope_at_point (Real t) const;
+  Real curve_coordinate (Real t, Axis) const;
 
   static const int CONTROL_COUNT = 4;
 
   /*
     Bezier curves always have 4 control points. Making this into an
-    Array<> gives unnecessary overhead, and makes debugging a royal
+    vector<> gives unnecessary overhead, and makes debugging a royal
     pain.  */
 
-  
   Offset control_[4];
 };
 
-void scale (Array<Offset>* array, Real xscale, Real yscale);
-void rotate (Array<Offset>* array, Real phi);
-void translate (Array<Offset>* array, Offset o);
-
-
+void scale (vector<Offset> *array, Real xscale, Real yscale);
+void rotate (vector<Offset> *array, Real phi);
+void translate (vector<Offset> *array, Offset o);
 
 Bezier slur_shape (Real width, Real height_limit,
-		   Real height_proportion);
-Real slur_height (Real width, Real height_limit, Real height_proportion); 
-void get_slur_indent_height (Real * indent, Real *height, Real width, Real h_inf, Real r_0);
+                   Real height_proportion);
+Real slur_height (Real width, Real height_limit, Real height_proportion);
+void get_slur_indent_height (Real *indent, Real *height, Real width, Real h_inf, Real r_0);
 
 #endif // BEZIER_HH