code.delx.au - virtualtones/blob - stringinstrument.h

   1 // stringinstrument.h - A stringed instrument simulator
   2 // Written by James Bunton <james@delx.net.au>
   3 // Licensed under the GPL, see COPYING.txt for more details
   4
   5
   6 #ifndef STRINGINSTRUMENT_H
   7 #define STRINGINSTRUMENT_H
   8
   9 #include <qwidget.h>
  10 #include <qpixmap.h>
  11 #include <qpainter.h>
  12 #include <qtimer.h>
  13 #include <QWidget>
  14 #include <QPixmap>
  15 #include <QPainter>
  16 #include <QTimer>
  17
  18 #include "instrument.h"
  19
  20
  21
  22 class StringInstrument : public Instrument
  23 {
  24 Q_OBJECT
  25         public:
  26                 StringInstrument(QWidget *parent);
  27                 ~StringInstrument();
  28
  29         private slots:
  30                 void emitSounds();
  31
  32         protected:
  33                 QString generateHelp();
  34                 void paintEvent(QPaintEvent *);
  35                 void keyPressEvent(QKeyEvent *);
  36                 void keyReleaseEvent(QKeyEvent *);
  37
  38
  39                 virtual void setNotes(int array[4])=0; // Set the base string notes
  40
  41                 QPixmap background;
  42
  43                 // Keys
  44                 bool down[4][4];
  45                 // down[1][3] == true, means that when the D string is bowed, G will be played
  46                 // First dimension is the string, second is the modifier
  47                 bool downFudge[4];
  48                 // Fudge keys. They're at the beginning of each string and do not play a note by themself
  49                 // downFudge[0] is '~', [1] is tab, etc.. They allow access to sharps
  50
  51                 bool bow[4][4];
  52                 // bow[1][4] == true means that the D string will be bowed at the highest volume
  53                 // First dimension is the string to be bowed, second is the volume
  54
  55                 int stringnote[4];
  56                 // Base notes for each string
  57
  58
  59                 // The volumes and notes to play for each string
  60                 int oldVolume[4];
  61                 int oldNote[4];
  62                 int volume[4];
  63                 int note[4];
  64 };
  65
  66
  67 class ViolinInstrument : public StringInstrument
  68 {
  69 public:
  70         ViolinInstrument(QWidget *parent);
  71         ~ViolinInstrument() {};
  72 protected:
  73         void setNotes(int array[4]);
  74 };
  75
  76
  77 class ViolaInstrument : public StringInstrument
  78 {
  79 public:
  80         ViolaInstrument(QWidget *parent);
  81         ~ViolaInstrument() {};
  82 protected:
  83         void setNotes(int array[4]);
  84 };
  85
  86
  87 class CelloInstrument : public StringInstrument
  88 {
  89 public:
  90         CelloInstrument(QWidget *parent);
  91         ~CelloInstrument() {};
  92 protected:
  93         void setNotes(int array[4]);
  94 };
  95
  96
  97 class ContrabassInstrument : public StringInstrument
  98 {
  99 public:
 100         ContrabassInstrument(QWidget *parent);
 101         ~ContrabassInstrument() {};
 102 protected:
 103         void setNotes(int array[4]);
 104 };
 105
 106
 107
 108 #endif