CADrawableStaff Class Reference

#include <drawablestaff.h>

Inheritance diagram for CADrawableStaff:

List of all members.

Public Member Functions
	CADrawableStaff (CAStaff *staff, double x, double y)
void	draw (QPainter *, const CADrawSettings s)
CADrawableStaff *	clone ()
CAStaff *	staff ()
double	lineSpace ()
double	calculateCenterYCoord (int pitch, CAClef *clef)
double	calculateCenterYCoord (CANote *note, CAClef *clef)
double	calculateCenterYCoord (CANote *note, double x)
double	calculateCenterYCoord (int pitch, double x)
double	calculateCenterYCoord (double y)
int	calculatePitch (double x, double y)
void	addClef (CADrawableClef *clef)
void	addKeySignature (CADrawableKeySignature *keySig)
void	addTimeSignature (CADrawableTimeSignature *keySig)
bool	removeClef (CADrawableClef *clef)
bool	removeKeySignature (CADrawableKeySignature *keySig)
bool	removeTimeSignature (CADrawableTimeSignature *keySig)
CAClef *	getClef (double x)
CAKeySignature *	getKeySignature (double x)
CATimeSignature *	getTimeSignature (double x)
int	getAccs (double x, int pitch)
void	addMElement (CADrawableMusElement *elt)
int	removeMElement (CADrawableMusElement *elt)
Private Attributes
QList< CADrawableClef * >	_drawableClefList
QList< CADrawableKeySignature * >	_drawableKeySignatureList
QList< CADrawableTimeSignature * >	_drawableTimeSignatureList
Static Private Attributes
static const double	STAFFLINE_WIDTH = 0.8

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Constructor & Destructor Documentation

CADrawableStaff::CADrawableStaff	(	CAStaff *	staff,
		double	x,
		double	y
	)

References CADrawableContext::_drawableContextType, CADrawableContext::DrawableStaff, CADrawable::setHeight(), and CADrawable::setWidth().

Referenced by clone().

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Member Function Documentation

void CADrawableStaff::addClef

(

CADrawableClef *

clef

)

Adds a clef clef to the clef list for faster search of the current clef in the staff.

References _drawableClefList, and CADrawable::xPos().

Referenced by addMElement().

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void CADrawableStaff::addKeySignature

(

CADrawableKeySignature *

keySig

)

Adds a key signature keySig to the key signatures list for faster search of the current key signature in the staff.

References _drawableKeySignatureList, and CADrawable::xPos().

Referenced by addMElement().

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void CADrawableStaff::addMElement

(

CADrawableMusElement *

elt

)

[virtual]

Reimplemented from CADrawableContext.

References CADrawableContext::_drawableMusElementList, addClef(), addKeySignature(), addTimeSignature(), CADrawableMusElement::DrawableClef, CADrawableMusElement::DrawableKeySignature, CADrawableMusElement::drawableMusElementType(), and CADrawableMusElement::DrawableTimeSignature.

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void CADrawableStaff::addTimeSignature

(

CADrawableTimeSignature *

timeSig

)

Adds a time signature timeSig to the time signatures list for faster search of the current time signature in the staff.

References _drawableTimeSignatureList, and CADrawable::xPos().

Referenced by addMElement().

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double CADrawableStaff::calculateCenterYCoord	(	int	pitch,
		CAClef *	clef
	)

Returns the center Y coordinate of the given note in this staff.

Parameters:

pitch	Note pitch which the following coordinates are being calculated for.
clef	Corresponding clef.

Returns:

Center of a space/line of a staff in absolute world units.

References CAClef::c1(), CADrawable::height(), lineSpace(), and CADrawable::yPos().

Referenced by CADrawableKeySignature::CADrawableKeySignature(), and calculateCenterYCoord().

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double CADrawableStaff::calculateCenterYCoord	(	CANote *	note,
		CAClef *	clef
	)

This is an overloaded member function, provided for convenience.

Returns the center Y coordinate of the given note in this staff.

Parameters:

note	Note which the following coordinates are being calculated.
clef	Corresponding clef.

Returns:

Center of a space/line of a staff in absolute world units.

References calculateCenterYCoord(), CANote::diatonicPitch(), and CADiatonicPitch::noteName().

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double CADrawableStaff::calculateCenterYCoord	(	CANote *	note,
		double	x
	)

This is an overloaded member function, provided for convenience.

Returns the center Y coordinate of the given note in this staff.

Parameters:

note	Note which the following coordinates are being calculated.
x	X coordinate of the note.

Returns:

Center of a space/line of a staff in absolute world units.

References calculateCenterYCoord(), CANote::diatonicPitch(), getClef(), and CADiatonicPitch::noteName().

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double CADrawableStaff::calculateCenterYCoord	(	int	pitch,
		double	x
	)

This is an overloaded member function, provided for convenience.

Returns the center Y coordinate of the given note in this staff.

Parameters:

pitch	Note pitch which the following coordinates are being calculated for.
x	X coordinate of the note.

Returns:

Center of a space/line of a staff in absolute world units.

References calculateCenterYCoord(), and getClef().

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double CADrawableStaff::calculateCenterYCoord

(

double

y

)

Rounds the given Y coordinate to the nearest one so it fits a line or a space (ledger lines too, if needed) in a staff.

Returns:

Center of the nearest space/line of a staff, whichever is closer in absolute world units.

References lineSpace(), and CADrawable::yPos().

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int CADrawableStaff::calculatePitch	(	double	x,
		double	y
	)

Calculates the note pitch on the given clef and absolute world Y coordinate.

Parameters:

x	X coordinate in absolute world units.
y	Y coordinate in absolute world units.

Returns:

Note pitch in logical units.

References CAClef::c1(), getClef(), CADrawable::height(), lineSpace(), and CADrawable::yPos().

Referenced by CAMainWin::insertMusElementAt(), and CAMainWin::scoreViewPortMouseMove().

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CADrawableStaff * CADrawableStaff::clone

(

)

[virtual]

Implements CADrawableContext.

References CADrawableStaff(), staff(), CADrawable::xPos(), and CADrawable::yPos().

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void CADrawableStaff::draw	(	QPainter *	p,
		const CADrawSettings	s
	)		[virtual]

Implements CADrawable.

References CADrawSettings::color, lineSpace(), CAStaff::numberOfLines(), staff(), STAFFLINE_WIDTH, CADrawSettings::w, CADrawSettings::y, and CADrawSettings::z.

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int CADrawableStaff::getAccs	(	double	x,
		int	pitch
	)

Returns accidentals at the given X-coordinate and pitch. eg. -1 for one flat, 2 for two sharps. This is useful to determine the note's pitch to be placed in certain measure or part of the measure, if accidentals have been placed before.

References CADrawableContext::_drawableMusElementList, CAKeySignature::accidentals(), CADrawableMusElement::DrawableBarline, CADrawableMusElement::DrawableKeySignature, CADrawableMusElement::DrawableNote, and getKeySignature().

Referenced by CAMainWin::scoreViewPortMouseMove().

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CAClef * CADrawableStaff::getClef

(

double

x

)

Returns the pointer to the last clef placed before the given X-coordinate.

References _drawableClefList, and CADrawable::xPos().

Referenced by CADrawableKeySignature::CADrawableKeySignature(), calculateCenterYCoord(), and calculatePitch().

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CAKeySignature * CADrawableStaff::getKeySignature

(

double

x

)

References _drawableKeySignatureList, and CADrawable::xPos().

Referenced by CADrawableKeySignature::CADrawableKeySignature(), and getAccs().

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CATimeSignature * CADrawableStaff::getTimeSignature

(

double

x

)

Returns the pointer to the last time signature placed before the given X-coordinate.

References _drawableTimeSignatureList, and CADrawable::xPos().

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double CADrawableStaff::lineSpace

(

)

[inline]

References CADrawable::height(), and staff().

Referenced by CADrawableClef::CADrawableClef(), calculateCenterYCoord(), calculatePitch(), and draw().

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bool CADrawableStaff::removeClef

(

CADrawableClef *

clef

)

Removes the given clef from the clefs-lookup list. Returns True, if the clef was successfully removed, False otherwise.

References _drawableClefList.

Referenced by removeMElement().

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bool CADrawableStaff::removeKeySignature

(

CADrawableKeySignature *

keySig

)

Removes the given key signature from the key signatures-lookup list. Returns True, if the key signature was successfully removed, False otherwise.

References _drawableKeySignatureList.

Referenced by removeMElement().

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int CADrawableStaff::removeMElement

(

CADrawableMusElement *

elt

)

[virtual]

Reimplemented from CADrawableContext.

References CADrawableContext::_drawableMusElementList, CADrawableMusElement::DrawableClef, CADrawableMusElement::DrawableKeySignature, CADrawableMusElement::drawableMusElementType(), CADrawableMusElement::DrawableTimeSignature, removeClef(), removeKeySignature(), and removeTimeSignature().

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bool CADrawableStaff::removeTimeSignature

(

CADrawableTimeSignature *

timeSig

)

Removes the given time signature from the time signatures-lookup list. Returns True, if the time signature was successfully removed, False otherwise.

References _drawableTimeSignatureList.

Referenced by removeMElement().

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CAStaff* CADrawableStaff::staff

(

)

[inline]

References CADrawableContext::_context.

Referenced by CADrawableKeySignature::CADrawableKeySignature(), clone(), draw(), and lineSpace().

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Member Data Documentation

QList<CADrawableClef *> CADrawableStaff::_drawableClefList [private]

Referenced by addClef(), getClef(), and removeClef().

QList<CADrawableKeySignature *> CADrawableStaff::_drawableKeySignatureList [private]

Referenced by addKeySignature(), getKeySignature(), and removeKeySignature().

QList<CADrawableTimeSignature *> CADrawableStaff::_drawableTimeSignatureList [private]

Referenced by addTimeSignature(), getTimeSignature(), and removeTimeSignature().

const double CADrawableStaff::STAFFLINE_WIDTH = 0.8 [static, private]

Copyright (c) 2006-2009, Matevž Jekovec, Canorus development team All Rights Reserved. See AUTHORS for a complete list of authors.

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

Referenced by draw().

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

• /home/iurt/rpm/BUILD/canorus-0.7.R1002/src/drawable/drawablestaff.h
• /home/iurt/rpm/BUILD/canorus-0.7.R1002/src/drawable/drawablestaff.cpp