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