Base class for the measurement system classes. More...

#include <ilviews/printing/units.h>

Inheritance diagram for IlvPrintUnit:

Public Member Functions
	IlvPrintUnit ()
	Default constructor. More...

	IlvPrintUnit (double units)
	Conversion constructor from a double. More...

virtual	~IlvPrintUnit ()
	Destructor. More...

virtual double	getPoints () const =0
	Returns the value expressed in points. More...

virtual IlString	getUnitName () const =0
	Returns a string that is the name of the unit. More...

double	getUnits () const
	Returns the value expressed in units. More...

IlBoolean	operator!= (IlvPrintUnit const &other) const
	InEquality test. More...

IlvPrintUnit &	operator*= (double units)
	Multiplies the current object by the value expressed in units given as parameter. More...

IlvPrintUnit &	operator+= (IlvPrintUnit const &other)
	Adds to the current object the value of the object given as parameter. More...

IlvPrintUnit &	operator+= (double units)
	Adds to the current object the value expressed in units given as parameter. More...

IlvPrintUnit &	operator-= (IlvPrintUnit const &other)
	Subtracts from the current object the value of the object given as parameter. More...

IlvPrintUnit &	operator-= (double units)
	Subtracts from the current object the value expressed in units given as parameter. More...

IlvPrintUnit &	operator/= (double units)
	Divides the current object by the value expressed in units given as parameter. More...

IlvPrintUnit &	operator= (IlvPrintUnit const &other)
	Assignment operator. More...

IlvPrintUnit &	operator= (double units)
	Assignment operator. More...

IlBoolean	operator== (IlvPrintUnit const &other) const
	Equality test. More...

virtual void	setPoints (double points)=0
	Sets the value expressed in points. More...

void	setUnits (double units)
	Sets the value expressed in units. More...

IlString	toString () const
	Returns a string representation of the value expressed in units. More...

Protected Member Functions
virtual IlString	getUnitNamePlural () const =0
	Returns a string that is the plural name of the unit. More...

Detailed Description

Base class for the measurement system classes.

Library: ilvprint

This class is intended to be derived by implementing the member functions getPoints() and setPoints(). It stores the value expressed in the current units of the class.

Constructor & Destructor Documentation

§ ~IlvPrintUnit()

virtual IlvPrintUnit::~IlvPrintUnit ( )

virtual

Destructor.

The destructor actually does nothing, but it is declared as virtual so that inherited classes may override it.

§ IlvPrintUnit() [1/2]

IlvPrintUnit::IlvPrintUnit ( )

Default constructor.

It initializes the object in a coherent state.

§ IlvPrintUnit() [2/2]

IlvPrintUnit::IlvPrintUnit ( double units )

Conversion constructor from a double.

This constructor creates an IlvPrint from a double.

Parameters

units A double, the number of units of the IlvPrintUnit.

Member Function Documentation

§ getPoints()

virtual double IlvPrintUnit::getPoints ( ) const

pure virtual

Returns the value expressed in points.

This function is a pure virtual one and must be overridden by the inherited classes.

Its purpose is to translate the value returned by getUnits into a value expressed in points.

Returns: A double, the value expressed in points.

Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.

§ getUnitName()

virtual IlString IlvPrintUnit::getUnitName ( ) const

pure virtual

Returns a string that is the name of the unit.

This function is a pure virtual one and must be overridden by the inherited classes.

Returns: An IlString, the unit name.

Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.

§ getUnitNamePlural()

virtual IlString IlvPrintUnit::getUnitNamePlural ( ) const

protectedpure virtual

Returns a string that is the plural name of the unit.

Returns: An IlString, the plural name unit.

Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.

§ getUnits()

double IlvPrintUnit::getUnits ( ) const

Returns the value expressed in units.

This functions gets the value expressed in units and stores it in the object.

Returns: A double, the value expressed in units.

§ operator!=()

IlBoolean IlvPrintUnit::operator!= ( IlvPrintUnit const & other ) const

InEquality test.

Tests whether both objects have different values. The comparison is done on the values expressed in points.

Parameters

other The other object to be compared with the current one.

Returns: An IlBoolean, IlFalse when both objects are equal, IlTrue otherwise.

§ operator*=()

IlvPrintUnit & IlvPrintUnit::operator*= ( double units )

Multiplies the current object by the value expressed in units given as parameter.

The calculation is done in points.

Parameters

units A double, the value to be multiplied by.

Returns: A reference to this object.

§ operator+=() [1/2]

IlvPrintUnit & IlvPrintUnit::operator+= ( IlvPrintUnit const & other )

Adds to the current object the value of the object given as parameter.

The calculation is done in points.

Parameters

other A const reference to an object.

Returns: A reference to this object.

§ operator+=() [2/2]

IlvPrintUnit & IlvPrintUnit::operator+= ( double units )

Adds to the current object the value expressed in units given as parameter.

The calculation is done in points.

Parameters

units A double, the value expressed in units.

Returns: A reference to this object.

§ operator-=() [1/2]

IlvPrintUnit & IlvPrintUnit::operator-= ( IlvPrintUnit const & other )

Subtracts from the current object the value of the object given as parameter.

The calculation is done in points.

Parameters

other A const reference to an object.

Returns: A reference to this object.

§ operator-=() [2/2]

IlvPrintUnit & IlvPrintUnit::operator-= ( double units )

Subtracts from the current object the value expressed in units given as parameter.

The calculation is done in points.

Parameters

units A double, the value expressed in units.

Returns: A reference to this object.

§ operator/=()

IlvPrintUnit & IlvPrintUnit::operator/= ( double units )

Divides the current object by the value expressed in units given as parameter.

The calculation is done in points.

Parameters

units A double, the value to be divided by.

Returns: A reference to this object.

§ operator=() [1/2]

IlvPrintUnit & IlvPrintUnit::operator= ( IlvPrintUnit const & other )

Assignment operator.

This operator assigns to the current object the value stored in the object given as parameter.

Parameters

other A const reference to an object.

Returns: A reference to this object.

§ operator=() [2/2]

IlvPrintUnit & IlvPrintUnit::operator= ( double units )

Assignment operator.

This operator assigns to the current object the value given as parameter and expressed in units.

Parameters

units A double, the value expressed in units.

Returns: A reference to this object.

§ operator==()

IlBoolean IlvPrintUnit::operator== ( IlvPrintUnit const & other ) const

Equality test.

Tests whether both objects have the same value. The comparison is done on the values expressed in points.

Parameters

other The other object to be compared with the current one.

Returns: An IlBoolean, IlTrue when both objects are equal, IlFalse otherwise.

§ setPoints()

virtual void IlvPrintUnit::setPoints ( double points )

pure virtual

Sets the value expressed in points.

This function is a pure virtual one and must be overridden by the inherited classes.

Its purpose is to translate the value given as parameter into units and then stores it (through setUnits).

Parameters

points A double, the value expressed in points.

Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.

§ setUnits()

void IlvPrintUnit::setUnits ( double units )

Sets the value expressed in units.

This function stores the value expressed in units.

Parameters

units A double, the value expressed in units.

§ toString()

IlString IlvPrintUnit::toString ( ) const

Returns a string representation of the value expressed in units.

This function actually calls getUnits() and getUnitName().

Returns: An IlString, the value expressed in units.

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

§ ~IlvPrintUnit()

§ IlvPrintUnit() [1/2]

§ IlvPrintUnit() [2/2]

Member Function Documentation

§ getPoints()

§ getUnitName()

§ getUnitNamePlural()

§ getUnits()

§ operator!=()

§ operator*=()

§ operator+=() [1/2]

§ operator+=() [2/2]

§ operator-=() [1/2]

§ operator-=() [2/2]

§ operator/=()

§ operator=() [1/2]

§ operator=() [2/2]

§ operator==()

§ setPoints()

§ setUnits()

§ toString()