MuseScore/libmscore/groups.h
2013-05-13 19:43:59 +02:00

89 lines
2.5 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2013 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __GROUPS__
#define __GROUPS__
#include "fraction.h"
#include "mscore.h"
#include "durationtype.h"
namespace Ms {
class ChordRest;
class Xml;
class XmlReader;
//---------------------------------------------------------
// GroupNode
//---------------------------------------------------------
struct GroupNode {
int pos; // tick position, division 16
int action; // bits: cccc bbbb aaaa
// cc - 1/64 bb - 1/32 aa - 1/16
// bit pattern xxxx:
// 1 - start new beam
// 2 - start new 1/32 subbeam
// 3 - start new 1/64 subbeam
bool operator==(const GroupNode& g) const { return g.pos == pos && g.action == action; }
};
//---------------------------------------------------------
// Groups
// GroupNodes must be sorted by tick
//---------------------------------------------------------
class Groups : public std::vector<GroupNode> {
public:
Groups() {}
Groups(const std::vector<GroupNode>& l) : std::vector<GroupNode>(l) {}
void write(Xml&) const;
void read(XmlReader&);
BeamMode beamMode(int tick, TDuration::DurationType d) const;
void addStop(int pos, TDuration::DurationType d, BeamMode bm);
bool operator==(const Groups& g) const {
if (g.size() != size())
return false;
for (unsigned i = 0; i < size(); ++i) {
if (!(g[i] == (*this)[i]))
return false;
}
return true;
}
void dump(const char*) const;
static const Groups& endings(const Fraction& f);
static BeamMode endBeam(ChordRest* cr);
};
//---------------------------------------------------------
// NoteGroup
//---------------------------------------------------------
struct NoteGroup {
Fraction timeSig;
Groups endings;
};
} // namespace Ms
Q_DECLARE_METATYPE(Ms::Groups)
#endif