RelAbsVector Class Reference

Detailed Description

render Vectors with an absolute value and a relative value.

For many elements in the render extension, it is necessary to specify coordinates not in terms of absolute values, but rather in terms of relative values or even a combination of absolute and relative values. Such a pair of values where one represents an absolute value and the other represents a relative value can be expressed by a RelAbsVector. The RelAbsVector class represents a pair of numerical values where one value represents an absolute value and the other value is a relative value in percent.

The relative and absolute values to initialize a RelAbsVector object can either be given as numerical datatypes (double) or as a valid value string. A value string is a combination of an absolute value and a relative value and the absolute value if given has to come first. So valid value strings would be: "5.0e3+20%", or "100%" or "4".

Public Member Functions
virtual RelAbsVector *	clone () const
	Creates and returns a deep copy of this RelAbsVector object. More...
bool	empty () const
void	erase ()
	resets this element by setting the two coordinates to 0.0 More...
double	getAbsoluteValue () const
	Returns the absolute coordinate value. More...
std::string	getCoordinate () const
	Returns the coordinate value. More...
double	getRelativeValue () const
	Returns the relative coordinate value. More...
bool	isSetAbsoluteValue () const
	Predicate returning true if this RelAbsVector's "abs" attribute is set. More...
bool	isSetCoordinate () const
	Predicate returning true if this RelAbsVector's coordinate attribute is set. More...
bool	isSetRelativeValue () const
	Predicate returning true if this RelAbsVector's "rel" attribute is set. More...
bool	operator!= (const RelAbsVector &other) const
	Inverse comparison operator. More...
RelAbsVector	operator+ (const RelAbsVector &other) const
	addition operator for RelAbsVector objects More...
RelAbsVector	operator/ (double x) const
	Divides a RelAbsVector object by a double value. More...
RelAbsVector &	operator= (const RelAbsVector &rhs)
	Assignment operator for RelAbsVector. More...
bool	operator== (const RelAbsVector &other) const
	Comparison operator. More...
	RelAbsVector (double a=0.0, double r=0.0)
	Constructor with two values. More...
	RelAbsVector (const std::string &coordString)
	Constructor with a value string. More...
	RelAbsVector (const RelAbsVector &orig)
	Copy constructor for RelAbsVector. More...
int	setAbsoluteValue (double abs)
	Sets the absolute coordinate value. More...
int	setCoordinate (double abs, double rel=0.0)
	Sets the relative and absolute value. More...
int	setCoordinate (const std::string &coordString)
	Sets the coordinates from the given string. More...
int	setRelativeValue (double rel)
	Sets the relative coordinate value. More...
std::string	toString () const
int	unsetAbsoluteValue ()
	Unsets the value of the "abs" attribute of this RelAbsVector. More...
int	unsetCoordinate ()
	Unsets the value of the "rel" attribute of this RelAbsVector. More...
int	unsetRelativeValue ()
	Unsets the value of the relative coordinate attribute of this RelAbsVector. More...
virtual	~RelAbsVector ()
	Destroy this RelAbsVector object. More...

Constructor & Destructor Documentation

RelAbsVector::RelAbsVector	(	double	a = 0.0,
		double	r = 0.0
	)

Constructor with two values.

First value sets the absolute value, second sets the relative value (%).

Parameters

a	absolute value
r	relative value in % (50 -> 50%)

RelAbsVector::RelAbsVector

(

const std::string &

coordString

)

Constructor with a value string.

If the string does not represent a valid value, the relative and the absolute component of the RelAbsVector are set to NaN.

Parameters

coordString

value as a string

RelAbsVector::RelAbsVector

(

const RelAbsVector &

orig

)

Copy constructor for RelAbsVector.

Parameters

orig	the RelAbsVector instance to copy.

RelAbsVector::~RelAbsVector ( )

virtual

Destroy this RelAbsVector object.

Member Function Documentation

RelAbsVector * RelAbsVector::clone ( ) const

virtual

Creates and returns a deep copy of this RelAbsVector object.

Returns

a (deep) copy of this RelAbsVector object.

bool RelAbsVector::empty

(

)

const

Returns

an indication whether this element has been set (i.e., no zero entries for either relative or absolute coordinate)

void RelAbsVector::erase

(

)

resets this element by setting the two coordinates to 0.0

double RelAbsVector::getAbsoluteValue

(

)

const

Returns the absolute coordinate value.

Returns

absolute value

std::string RelAbsVector::getCoordinate

(

)

const

Returns the coordinate value.

Returns

absolute value

double RelAbsVector::getRelativeValue

(

)

const

Returns the relative coordinate value.

Returns

absolute value

bool RelAbsVector::isSetAbsoluteValue

(

)

const

Predicate returning true if this RelAbsVector's "abs" attribute is set.

Returns

true if this RelAbsVector's "abs" attribute has been set, otherwise false is returned.

bool RelAbsVector::isSetCoordinate

(

)

const

Predicate returning true if this RelAbsVector's coordinate attribute is set.

Returns

true if this RelAbsVector's coordinate attribute has been set, otherwise false is returned.

bool RelAbsVector::isSetRelativeValue

(

)

const

Predicate returning true if this RelAbsVector's "rel" attribute is set.

Returns

true if this RelAbsVector's "rel" attribute has been set, otherwise false is returned.

bool RelAbsVector::operator!=

(

const RelAbsVector &

other

)

const

Inverse comparison operator.

Return false if two RelAbsVector objects are equal.

Returns

bool false if the two RelAbsValueObjects are equal and true otherwise.

RelAbsVector RelAbsVector::operator+

(

const RelAbsVector &

other

)

const

addition operator for RelAbsVector objects

RelAbsVector RelAbsVector::operator/

(

double

x

)

const

Divides a RelAbsVector object by a double value.

Parameters

x

divisor

Returns

result of division as a new RelAbsVector object

RelAbsVector & RelAbsVector::operator=

(

const RelAbsVector &

rhs

)

Assignment operator for RelAbsVector.

Parameters

rhs	the RelAbsVector object whose values are to be used as the basis of the assignment.

bool RelAbsVector::operator==

(

const RelAbsVector &

other

)

const

Comparison operator.

Return true if two RelAbsVector objects are equal.

Returns

bool true if the two RelAbsValueObjects are equal and false otherwise.

int RelAbsVector::setAbsoluteValue

(

double

abs

)

Sets the absolute coordinate value.

Calling this function with an argument of 0.0 or NaN is equivalent to unsetting the value.

Parameters

abs	double value of the "abs" attribute to be set.

int RelAbsVector::setCoordinate	(	double	abs,
		double	rel = 0.0
	)

Sets the relative and absolute value.

Calling this function with an argument of 0.0 or NaN is equivalent to unsetting the value.

Parameters

abs	absolute value
rel	relative value. If the relative value is omitted, it is set to 0.

int RelAbsVector::setCoordinate

(

const std::string &

coordString

)

Sets the coordinates from the given string.

If the string does not represent a valid value, the relative and the absolute component of the RelAbsVector are set to NaN.

Calling this function with either cooredinate having a value of "0.0" or "NaN" is equivalent to unsetting the value.

Parameters

coordString

value string

int RelAbsVector::setRelativeValue

(

double

rel

)

Sets the relative coordinate value.

Calling this function with an argument of 0.0 or NaN is equivalent to unsetting the value.

Parameters

rel	double value of the "rel" attribute to be set.

std::string RelAbsVector::toString

(

)

const

Returns

a string representation of this object

int RelAbsVector::unsetAbsoluteValue

(

)

Unsets the value of the "abs" attribute of this RelAbsVector.

Returns

integer value indicating success/failure of the function. The value is drawn from the enumeration OperationReturnValues_t. This particular function only does one thing irrespective of user input or object state, and thus will only return a single value:

• LIBSBML_OPERATION_SUCCESS

int RelAbsVector::unsetCoordinate

(

)

Unsets the value of the "rel" attribute of this RelAbsVector.

Returns

integer value indicating success/failure of the function. The value is drawn from the enumeration OperationReturnValues_t. This particular function only does one thing irrespective of user input or object state, and thus will only return a single value:

• LIBSBML_OPERATION_SUCCESS

int RelAbsVector::unsetRelativeValue

(

)

Unsets the value of the relative coordinate attribute of this RelAbsVector.

Returns

integer value indicating success/failure of the function. The value is drawn from the enumeration OperationReturnValues_t. This particular function only does one thing irrespective of user input or object state, and thus will only return a single value:

• LIBSBML_OPERATION_SUCCESS