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Base class for the measurement system classes. More...
#include <ilviews/printing/units.h>
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... | |
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.
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virtual |
Destructor.
The destructor actually does nothing, but it is declared as virtual so that inherited classes may override it.
| IlvPrintUnit::IlvPrintUnit | ( | ) |
Default constructor.
It initializes the object in a coherent state.
| IlvPrintUnit::IlvPrintUnit | ( | double | units | ) |
Conversion constructor from a double.
This constructor creates an IlvPrint from a double.
| units | A double, the number of units of the IlvPrintUnit. |
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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.
Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.
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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.
IlString, the unit name. Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.
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protectedpure virtual |
Returns a string that is the plural name of the unit.
IlString, the plural name unit. Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.
| double IlvPrintUnit::getUnits | ( | ) | const |
Returns the value expressed in units.
This functions gets the value expressed in units and stores it in the object.
| 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.
| other | The other object to be compared with the current one. |
IlBoolean, IlFalse when both objects are equal, IlTrue otherwise. | IlvPrintUnit & IlvPrintUnit::operator*= | ( | double | units | ) |
Multiplies the current object by the value expressed in units given as parameter.
The calculation is done in points.
| units | A double, the value to be multiplied by. |
| 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.
| other | A const reference to an object. |
| IlvPrintUnit & IlvPrintUnit::operator+= | ( | double | units | ) |
Adds to the current object the value expressed in units given as parameter.
The calculation is done in points.
| units | A double, the value expressed in units. |
| 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.
| other | A const reference to an object. |
| IlvPrintUnit & IlvPrintUnit::operator-= | ( | double | units | ) |
Subtracts from the current object the value expressed in units given as parameter.
The calculation is done in points.
| units | A double, the value expressed in units. |
| IlvPrintUnit & IlvPrintUnit::operator/= | ( | double | units | ) |
Divides the current object by the value expressed in units given as parameter.
The calculation is done in points.
| units | A double, the value to be divided by. |
| IlvPrintUnit & IlvPrintUnit::operator= | ( | IlvPrintUnit const & | other | ) |
Assignment operator.
This operator assigns to the current object the value stored in the object given as parameter.
| other | A const reference to an object. |
| IlvPrintUnit & IlvPrintUnit::operator= | ( | double | units | ) |
Assignment operator.
This operator assigns to the current object the value given as parameter and expressed in units.
| units | A double, the value expressed in units. |
| 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.
| other | The other object to be compared with the current one. |
IlBoolean, IlTrue when both objects are equal, IlFalse otherwise.
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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).
| points | A double, the value expressed in points. |
Implemented in IlvPrintPointUnit, IlvPrintPicaUnit, IlvPrintInchUnit, and IlvPrintCMUnit.
| void IlvPrintUnit::setUnits | ( | double | units | ) |
Sets the value expressed in units.
This function stores the value expressed in units.
| units | A double, the value expressed in units. |
| IlString IlvPrintUnit::toString | ( | ) | const |
Returns a string representation of the value expressed in units.
This function actually calls getUnits() and getUnitName().
IlString, the value expressed in units. © Copyright 2015, Rogue Wave Software, Inc. All Rights Reserved.
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