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

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