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
|
//--------------------------------------------------------------------------------------
// LenMus Phonascus: The teacher of music
// Copyright (c) 2002-2007 Cecilio Salmeron
//
// This program 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 2 of the License, or (at your option) any later version.
//
// 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., 51 Franklin Street,
// Fifth Floor, Boston, MA 02110-1301, USA.
//
// For any comment, suggestion or feature request, please contact the manager of
// the project at cecilios@users.sourceforge.net
//
//-------------------------------------------------------------------------------------
/*! @file TimeSignature.h
@brief Header file for class lmTimeSignature
@ingroup score_kernel
*/
#ifdef __GNUG__
// #pragma interface
#endif
#ifndef __TIMESIGNATURE_H__ //to avoid nested includes
#define __TIMESIGNATURE_H__
//------------------------------------------------------------------------------------------------
// lmTimeSignature object
//------------------------------------------------------------------------------------------------
class lmTimeSignature: public lmStaffObj
{
public:
//constructors and destructor
//constructor for types eTS_Common, eTS_Cut and eTS_SenzaMisura
lmTimeSignature(ETimeSignatureType nType, lmVStaff* pVStaff, bool fVisible = true);
//constructor for type eTS_SingleNumber
lmTimeSignature(int nSingleNumber, lmVStaff* pVStaff, bool fVisible = true);
//constructors for type eTS_Normal
lmTimeSignature(int nBeats, int nBeatType, lmVStaff* pVStaff, bool fVisible = true);
lmTimeSignature(ETimeSignature nTimeSign, lmVStaff* pVStaff, bool fVisible = true);
//constructor for type eTS_Composite
lmTimeSignature(int nNumBeats, int nBeats[], int nBeatType, lmVStaff* pVStaff,
bool fVisible = true);
//constructor for type eTS_Multiple
lmTimeSignature(int nNumFractions, int nBeats[], int nBeatType[], lmVStaff* pVStaff,
bool fVisible = true);
~lmTimeSignature() {}
//implementation of virtual methods defined in abstract base class lmStaffObj
void DrawObject(bool fMeasuring, lmPaper* pPaper, wxColour colorC, bool fHighlight);
wxBitmap* GetBitmap(double rScale);
void MoveDragImage(lmPaper* pPaper, wxDragImage* pDragImage, lmDPoint& ptOffset,
const lmUPoint& ptLog, const lmUPoint& dragStartPosL, const lmDPoint& ptPixels);
lmUPoint EndDrag(const lmUPoint& pos);
// debugging
wxString Dump();
wxString SourceLDP();
wxString SourceXML();
//rendering related methods
lmLUnits DrawAt(bool fMeasuring, lmPaper* pPaper, lmUPoint pos, wxColour colorC = *wxBLACK);
//sound related methods
void AddMidiEvent(lmSoundManager* pSM, float rMeasureStartTime, int nMeasure);
private:
void PrepareGlyphs();
// get fixed measures and values that depend on lmTimeSignature type
lmTenths GetSelRectHeight();
lmTenths GetSelRectShift();
lmTenths GetGlyphOffset();
wxString GetLenMusChar();
lmLUnits DrawTimeSignature(bool fMeasuring, lmPaper* pPaper, wxColour colorC = *wxBLACK);
// member variables
// attributes
ETimeSignatureType m_nType;
int m_nNumFractions; // for type eTS_Multiple and eTS_Normal
//eTS_Normal = 1, // it is a single fraction
//eTS_Common, // it is 4/4 but represented by a C symbol
//eTS_Cut, // it is 2/4 but represented by a C/ simbol
//sTS_SingleNumber, // it is a single number with an implied denominator
//eTS_Multiple, // multiple fractions, i.e.: 2/4 + 3/8
//eTS_Composite, // composite fraction, i.e.: 3+2/8
//eTS_SenzaMisura // no time signature is present
int m_nBeats;
int m_nBeatType;
lmLUnits m_xPosTop; //x position for Beats or single char (i.e. common time)
lmLUnits m_xPosBottom; //x position for BeatsType
};
//
// global functions related to TimeSignatures
//
extern int GetNumUnitsFromTimeSignType(ETimeSignature nTimeSign);
extern int GetBeatTypeFromTimeSignType(ETimeSignature nTimeSign);
extern int GetNumBeatsFromTimeSignType(ETimeSignature nTimeSign);
extern float GetBeatDuration(ETimeSignature nTimeSign);
extern float GetBeatDuration(int nBeatType);
extern float GetMeasureDuration(ETimeSignature nTimeSign);
//extern bool IsBinaryTimeSignature(ETimeSignature nTimeSign);
#endif // __TIMESIGNATURE_H__
|