1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
//=============================================================================
// AL
// Audio Utility Library
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#ifndef __POS_H__
#define __POS_H__
#include "sig.h"
namespace AL {
class Xml;
enum TType { TICKS, FRAMES };
//---------------------------------------------------------
// 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:
private:
TType _type;
mutable int sn;
mutable unsigned _tick;
mutable unsigned _frame;
public:
Pos();
Pos(int measure, int beat, int tick);
Pos(int minute, int sec, int frame, int subframe);
Pos(unsigned, TType type = TICKS);
Pos(const QString&);
void dump(int n = 0) const;
unsigned time(TType t) const { return t == TICKS ? tick() : frame(); }
void mbt(int* measure, int* beat, int* tick) const;
void msf(int* minute, int* sec, int* frame, int* subframe) const;
TimeSignature timesig() const;
void snap(int);
void upSnap(int);
void downSnap(int);
Pos snaped(int) const;
Pos upSnaped(int) const;
Pos downSnaped(int) const;
void invalidSn() { sn = -1; }
TType type() const { return _type; }
void setType(TType t);
Pos& operator+=(const Pos& a);
Pos& operator+=(int a);
Pos& operator-=(const 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;
bool operator!=(const Pos& s) const;
friend Pos operator+(const Pos& a, const Pos& b);
friend Pos operator-(const Pos& a, const Pos& b);
friend Pos operator+(const Pos& a, int b);
friend Pos operator-(const Pos& a, int b);
unsigned tick() const;
unsigned frame() const;
void setTick(unsigned);
void setFrame(unsigned);
void write(Xml&, const char*) const;
void read(QDomNode);
bool isValid() const { return true; }
};
//---------------------------------------------------------
// 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(Xml&, const char*) const;
void read(QDomNode);
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&);
bool operator==(const PosLen& s) const;
};
}
#endif
|
