X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=flower%2Finclude%2Foffset.hh;h=cddec1fc00c7cb9acd4c85c7e52c572a3d1dc68c;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=1995dd2554eed232bf9279396ac044a18c4c44ce;hpb=a276a19dc6bd57832db3107f2f2cbb04cb4677b6;p=lilypond.git

diff --git a/flower/include/offset.hh b/flower/include/offset.hh
index 1995dd2554..cddec1fc00 100644
--- a/flower/include/offset.hh
+++ b/flower/include/offset.hh
@@ -1,7 +1,20 @@
 /*
-  offset.hh -- part of GNU LilyPond
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1996--2007 Han-Wen Nienhuys
+  Copyright (C) 1996--2015 Han-Wen Nienhuys
+
+  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 OFFSET_HH
@@ -11,11 +24,6 @@
 #include "std-string.hh"
 #include "real.hh"
 
-class Offset;
-Offset complex_multiply (Offset, Offset);
-Offset complex_divide (Offset, Offset);
-Offset complex_exp (Offset);
-
 /*
   This is a mixture a 2D vector. Sometimes it can
   also be convenient to think of 2D vectors as complex numbers
@@ -70,7 +78,7 @@ public:
 
   Offset &operator /= (Real a)
   {
-    (*this) *= 1/a;
+    (*this) *= 1 / a;
     return *this;
   }
 
@@ -100,15 +108,14 @@ public:
     coordinate_a_[a] = -coordinate_a_[a];
     return *this;
   }
+  Offset direction () const;
+  Offset swapped () const;
 
   Real arg () const;
+  Real angle_degrees () const;
   Real length () const;
   bool is_sane () const;
-  Offset operator *= (Offset z2)
-  {
-    *this = complex_multiply (*this, z2);
-    return *this;
-  }
+  Offset operator *= (Offset z2);
 };
 
 #include "arithmetic-operator.hh"
@@ -116,6 +123,17 @@ IMPLEMENT_ARITHMETIC_OPERATOR (Offset, +);
 IMPLEMENT_ARITHMETIC_OPERATOR (Offset, -);
 IMPLEMENT_ARITHMETIC_OPERATOR (Offset, *);
 
+Offset complex_multiply (Offset, Offset);
+Offset complex_divide (Offset, Offset);
+Offset complex_exp (Offset);
+
+inline Offset
+Offset::operator *= (Offset z2)
+{
+  *this = complex_multiply (*this, z2);
+  return *this;
+}
+
 inline Offset
 operator * (Real o1, Offset o2)
 {