CADiatonicKey Class Reference

Musical key. More...

#include <diatonickey.h>

Public Types
enum	CAGender { Major , Minor }
enum	CAShape { Natural , Harmonic , Melodic }

Public Member Functions
	CADiatonicKey ()
	CADiatonicKey (const QString &key)
	CADiatonicKey (const int &numberOfAccs, const CAGender &gender)
	CADiatonicKey (const CADiatonicPitch &pitch, const CAGender &gender)
	CADiatonicKey (const CADiatonicPitch &pitch, const CAGender &gender, const CAShape &shape)
bool	operator== (CADiatonicKey)
bool	operator!= (CADiatonicKey p)
void	operator= (const QString &key)
CADiatonicKey	operator+ (CAInterval)
CADiatonicPitch	diatonicPitch ()
const CAGender	gender ()
const CAShape	shape ()
void	setDiatonicPitch (const CADiatonicPitch p)
void	setGender (const CAGender g)
void	setShape (const CAShape s)
int	numberOfAccs ()
QList< int >	accsMatrix ()
int	noteAccs (int noteName)
bool	containsPitch (const CADiatonicPitch &p)

Static Public Member Functions
static const QString	shapeToString (CAShape)
static CAShape	shapeFromString (const QString)
static const QString	genderToString (CAGender)
static CAGender	genderFromString (const QString)
static const QString	diatonicKeyToString (CADiatonicKey k)
static CADiatonicKey	diatonicKeyFromString (const QString)

Private Attributes
CADiatonicPitch	_diatonicPitch
CAGender	_gender
CAShape	_shape

Detailed Description

Musical key.

Copyright (c) 2008, Matevž Jekovec, Canorus development team All Rights Reserved. See AUTHORS for a complete list of authors.

Licensed under the GNU GENERAL PUBLIC LICENSE. See LICENSE.GPL for details.

Copyright (c) 2008, Matevž Jekovec, Canorus development team All Rights Reserved. See AUTHORS for a complete list of authors.

Licensed under the GNU GENERAL PUBLIC LICENSE. See LICENSE.GPL for details.

This is a typical music presentation of the key. For example, C-major, d-minor, e-flat-minor etc.

It consists of two properties:

• diatonic pitch (cis, des etc.)
• gender (major, minor etc.)

Valid range of diatonic pitch for the diatonic key is a positive number ranging from 0 (C) to 6 (B).

See also

CADiatonicPitch

Member Enumeration Documentation

CAGender

enum CADiatonicKey::CAGender

The lower tetrachord of the scale - gender:

• Major
• Minor

Enumerator
Major
Minor

CAShape

enum CADiatonicKey::CAShape

The upper tetrachord of the scale - shape:

• Natural
• Harmonic
• Melodic

Enumerator
Natural
Harmonic
Melodic

Constructor & Destructor Documentation

CADiatonicKey() [1/5]

CADiatonicKey::CADiatonicKey

(

)

References Major, Natural, setDiatonicPitch(), setGender(), and setShape().

Referenced by diatonicKeyFromString(), and operator+().

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CADiatonicKey() [2/5]

CADiatonicKey::CADiatonicKey

(

const QString &

key

)

References operator=().

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CADiatonicKey() [3/5]

CADiatonicKey::CADiatonicKey	(	const int &	numberOfAccs,
		const CAGender &	gender
	)

References gender(), Major, Minor, Natural, setDiatonicPitch(), setGender(), and setShape().

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CADiatonicKey() [4/5]

CADiatonicKey::CADiatonicKey	(	const CADiatonicPitch &	pitch,
		const CAGender &	gender
	)

References gender(), Harmonic, Major, Natural, setDiatonicPitch(), setGender(), and setShape().

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CADiatonicKey() [5/5]

CADiatonicKey::CADiatonicKey	(	const CADiatonicPitch &	pitch,
		const CAGender &	gender,
		const CAShape &	shape
	)

References gender(), setDiatonicPitch(), setGender(), setShape(), and shape().

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Member Function Documentation

accsMatrix()

QList< int > CADiatonicKey::accsMatrix

(

)

Returns a list of accs from C to B for the key signature.

References numberOfAccs().

Referenced by containsPitch(), and noteAccs().

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containsPitch()

bool CADiatonicKey::containsPitch

(

const CADiatonicPitch &

p

)

Returns true, if the given pitch p is a natural note in the key signature; False otherwise.

eg. F# is a natural note in G-major, but not in C-major (ie. F).

References CADiatonicPitch::accs(), accsMatrix(), and CADiatonicPitch::noteName().

Referenced by CADiatonicPitch::diatonicPitchFromMidiPitchKey().

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diatonicKeyFromString()

CADiatonicKey CADiatonicKey::diatonicKeyFromString ( const QString  s )

static

Creates a new diatonic key from the given string.

References CADiatonicKey().

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diatonicKeyToString()

const QString CADiatonicKey::diatonicKeyToString ( CADiatonicKey  k )

static

Generates a readable name of the diatonic key. eg. -3 accidentals & major => "Es" +6 accidentals & minor => "dis"

References gender(), Major, Minor, and numberOfAccs().

Referenced by CAMusElementFactory::configureFunctionMark(), CAKeySignatureCtl::on_uiKeySig_activated(), CAKeySignatureUI::populateComboBox(), CALayoutEngine::reposit(), CATransposeView::show(), CAMainWin::updateFMToolBar(), and CAKeySignatureUI::updateKeySigToolBar().

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diatonicPitch()

CADiatonicPitch CADiatonicKey::diatonicPitch ( )

inline

References _diatonicPitch.

Referenced by CADiatonicPitch::diatonicPitchFromMidiPitchKey(), CACanorusMLExport::exportDiatonicKey(), CALilyPondExport::exportVoiceImpl(), CAKeybdInput::matchPitchToKey(), numberOfAccs(), operator+(), operator==(), CATranspose::reinterpretAccidentals(), and CATranspose::transposeByKeySig().

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gender()

const CAGender CADiatonicKey::gender ( )

inline

References _gender.

Referenced by CADiatonicKey(), diatonicKeyToString(), CADiatonicPitch::diatonicPitchFromMidiPitchKey(), CACanorusMLExport::exportDiatonicKey(), CAMusicXmlExport::exportKeySig(), CALilyPondExport::exportVoiceImpl(), genderFromString(), genderToString(), CAPlayback::loopUntilPlayable(), numberOfAccs(), CAKeySignatureCtl::on_uiKeySig_activated(), operator+(), operator=(), operator==(), and CATranspose::reinterpretAccidentals().

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genderFromString()

CADiatonicKey::CAGender CADiatonicKey::genderFromString ( const QString  gender )

static

References gender(), Major, and Minor.

Referenced by CAMusicXmlImport::readAttributes(), and CACanorusMLImport::startElement().

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genderToString()

const QString CADiatonicKey::genderToString ( CAGender  gender )

static

References gender(), Major, and Minor.

Referenced by CACanorusMLExport::exportDiatonicKey().

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noteAccs()

int CADiatonicKey::noteAccs

(

int

noteName

)

Returns number of accidentals for the given note. Eg. If we call noteAccs(17) in D-Major, it returns 1, because 17 is a note F and D-Major has Fis.

References accsMatrix().

Referenced by CAMainWin::scoreViewKeyPress().

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numberOfAccs()

int CADiatonicKey::numberOfAccs

(

)

References CADiatonicPitch::accs(), diatonicPitch(), gender(), Major, and CADiatonicPitch::noteName().

Referenced by accsMatrix(), diatonicKeyToString(), CAMusicXmlExport::exportKeySig(), CAPlayback::loopUntilPlayable(), CAKeySignatureCtl::on_uiKeySig_activated(), CATranspose::reinterpretAccidentals(), and CAKeySignature::updateAccidentals().

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operator!=()

bool CADiatonicKey::operator!= ( CADiatonicKey  p )

inline

References operator==().

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operator+()

CADiatonicKey CADiatonicKey::operator+

(

CAInterval

interval

)

Transposes the key for the given interval. The new pitch is correctly bounded.

References CADiatonicKey(), diatonicPitch(), gender(), CADiatonicPitch::noteName(), CADiatonicPitch::setNoteName(), and shape().

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operator=()

void CADiatonicKey::operator=

(

const QString &

key

)

References gender(), Harmonic, Major, Minor, Natural, setDiatonicPitch(), setGender(), and setShape().

Referenced by CADiatonicKey().

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operator==()

bool CADiatonicKey::operator==

(

CADiatonicKey

k

)

References diatonicPitch(), and gender().

Referenced by operator!=().

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setDiatonicPitch()

void CADiatonicKey::setDiatonicPitch ( const CADiatonicPitch  p )

inline

References _diatonicPitch.

Referenced by CADiatonicKey(), CACanorusMLImport::endElement(), and operator=().

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setGender()

void CADiatonicKey::setGender ( const CAGender  g )

inline

References _gender.

Referenced by CADiatonicKey(), and operator=().

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setShape()

void CADiatonicKey::setShape ( const CAShape  s )

inline

References _shape.

Referenced by CADiatonicKey(), and operator=().

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shape()

const CAShape CADiatonicKey::shape ( )

inline

References _shape.

Referenced by CADiatonicKey(), operator+(), shapeFromString(), and shapeToString().

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shapeFromString()

CADiatonicKey::CAShape CADiatonicKey::shapeFromString ( const QString  shape )

static

References Harmonic, Melodic, Natural, and shape().

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shapeToString()

const QString CADiatonicKey::shapeToString ( CAShape  shape )

static

References Harmonic, Melodic, Natural, and shape().

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Member Data Documentation

_diatonicPitch

CADiatonicPitch CADiatonicKey::_diatonicPitch

private

Referenced by diatonicPitch(), and setDiatonicPitch().

_gender

CAGender CADiatonicKey::_gender

private

Referenced by gender(), and setGender().

_shape

CAShape CADiatonicKey::_shape

private

Referenced by setShape(), and shape().

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The documentation for this class was generated from the following files:

• /home/iurt/rpmbuild/BUILD/canorus-0.7.3svn20190422/src/score/diatonickey.h
• /home/iurt/rpmbuild/BUILD/canorus-0.7.3svn20190422/src/score/diatonickey.cpp