new branch muse2, first checkin

1 files changed, 99 insertions, 0 deletions

diff --git a/muse2/muse/pos.h b/muse2/muse/pos.h
new file mode 100644
index 00000000..33c08f6b
--- /dev/null
+++ b/muse2/muse/pos.h
@@ -0,0 +1,99 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: pos.h,v 1.8 2004/07/14 15:27:26 wschweer Exp $
+//
+//  (C) Copyright 2000 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __POS_H__
+#define __POS_H__
+
+class Xml;
+class QString;
+
+//---------------------------------------------------------
+//   Pos
+//    depending on type _tick or _frame is a cached
+//    value. When the tempomap changes, all cached values
+//    are invalid. Sn is used to check for tempomap
+//    changes.
+//---------------------------------------------------------
+
+class Pos {
+   public:
+      enum TType { TICKS, FRAMES };
+
+   private:
+      TType _type;
+      mutable int sn;
+      mutable unsigned _tick;
+      mutable unsigned _frame;
+
+   public:
+      Pos();
+      Pos(const Pos&);
+      Pos(int,int,int);
+      Pos(int,int,int,int);
+      Pos(unsigned, bool ticks=true);
+      Pos(const QString&);
+      void dump(int n = 0) const;
+      void mbt(int*, int*, int*) const;
+      void msf(int*, int*, int*, int*) const;
+
+      void invalidSn()  { sn = -1; }
+
+      TType  type() const     { return _type; }
+      void   setType(TType t);
+
+      Pos& operator+=(Pos a);
+      Pos& operator+=(int a);
+
+      bool operator>=(const Pos& s) const;
+      bool operator>(const Pos& s) const;
+      bool operator<(const Pos& s) const;
+      bool operator<=(const Pos& s) const;
+      bool operator==(const Pos& s) const;
+
+      friend Pos operator+(Pos a, Pos b);
+      friend Pos operator+(Pos a, int b);
+
+      unsigned tick() const;
+      unsigned frame() const;
+      void setTick(unsigned);
+      void setFrame(unsigned);
+
+      void write(int level, Xml&, const char*) const;
+      void read(Xml& xml, const char*);
+      bool isValid() const { return true; }
+      static bool isValid(int m, int b, int t);
+      static bool isValid(int, int, int, int);
+      };
+
+//---------------------------------------------------------
+//   PosLen
+//---------------------------------------------------------
+
+class PosLen : public Pos {
+      mutable unsigned _lenTick;
+      mutable unsigned _lenFrame;
+      mutable int sn;
+
+   public:
+      PosLen();
+      PosLen(const PosLen&);
+      void dump(int n = 0) const;
+
+      void write(int level, Xml&, const char*) const;
+      void read(Xml& xml, const char*);
+      void setLenTick(unsigned);
+      void setLenFrame(unsigned);
+      unsigned lenTick() const;
+      unsigned lenFrame() const;
+      Pos end() const;
+      unsigned endTick() const    { return end().tick(); }
+      unsigned endFrame() const   { return end().frame(); }
+      void setPos(const Pos&);
+      };
+
+#endif