1 files changed, 133 insertions, 0 deletions
diff --git a/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp b/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp
new file mode 100644
index 0000000..6b8a5bd
--- a/dev/null
+++ b/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp
@@ -0,0 +1,133 @@
+#include "tonleiterdatahelper.h"
+
+int Note::getOctaveOfNote(int note)
+{
+    int remain=note%12;
+    return (note-remain)/12;
+}
+//****************************************************************************
+QString Note::getNameOfNote(int note)
+{
+    int octave=getOctaveOfNote(note);
+    return notenames[note-12*octave];
+}
+//****************************************************************************
+int Note::getNoteFromName(QString name,int octave)
+{
+    int notevalue=0;
+    for(int a=0;a<12;a++)
+    {
+        if(name==notenames[a])
+        {
+            notevalue=a;
+            break;
+        }
+    }
+    return notevalue+12*octave;
+}
+//****************************************************************************
+int Note::octaveOfBaseNote(int base,int note)
+{
+    int normnote = (note>=base) ? note-base : (12-base)+note;
+    int octave=getOctaveOfNote(normnote);
+    //qDebug("note %d of %d base is norm %d -> ocatve %d",note,base,normnote,octave);
+    return octave;
+}
+//****************************************************************************
+//****************************************************************************
+Instrument::Instrument()
+{
+    name="UNDEFINED";
+    frets=0;
+}
+//****************************************************************************
+Instrument::Instrument(QString name,int frets,QValueList<int> strings)
+:name(name),frets(frets),strings(strings)
+{
+}
+//****************************************************************************
+Instrument::~Instrument()
+{
+}
+//****************************************************************************
+int Instrument::noOfStrings()
+{
+    return (int)strings.count();
+}
+//****************************************************************************
+int Instrument::noOfFrets()
+{
+    return frets;
+}
+//****************************************************************************
+QString Instrument::instName()
+{
+    return name;
+}
+//****************************************************************************
+int Instrument::string(int id)
+{
+    return strings[id];
+}
+//****************************************************************************
+int Instrument::noOfOctaves()
+{
+    int lowest=strings[0];
+    int highest=strings[strings.count()-1]+frets;
+    return (int)((highest-lowest)/12.0);
+}
+//****************************************************************************
+//****************************************************************************
+Scale::Scale()
+{
+    name="UNDEFINED";
+}
+//****************************************************************************
+Scale::Scale(QString name,QValueList<int> halftones)
+:name(name),halftones(halftones)
+{
+}
+//****************************************************************************
+Scale::~Scale()
+{
+}
+//****************************************************************************
+int Scale::noOfHaltones()
+{
+    return (int)halftones.count();
+}
+//****************************************************************************
+int Scale::getHalfTone(int id)
+{
+    if(id>=0 && noOfHaltones()<id)
+    {
+        return halftones[id];
+    }
+    else
+        return 0;
+}
+//****************************************************************************
+QString Scale::scaleName()
+{
+    return name;
+}
+//****************************************************************************
+bool Scale::noteInScale(int base,int note)
+{
+    int octave=Note::getOctaveOfNote(note);
+    note-=12*octave;
+    int normnote = (note>=base) ? note-base : (12-base)+note;
+
+    if(halftones.contains(normnote)>0)
+    {
+        //qDebug("OK : base : %d, note %d -> norm %d",base,note,normnote);
+        return true;
+    }
+    else
+    {
+        //qDebug("BAD : base : %d, note %d -> norm %d",base,note,normnote);
+        return false;
+    }
+}
+//****************************************************************************
+//****************************************************************************