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IGColor Class Reference

#include <IGColor.h>

List of all members.

Public Methods
	IGColor (double gray=0.0)
	default constructor produces black, can be used to produce gray tone.
	IGColor (double r, double g, double b)
	constructs color with given RGB-values.
	IGColor (const IGColor& C)
	~IGColor ()
void	SetColor (void) const
IGColor&	operator= (const IGColor& C)
double	Red (void) const
	returns red component as rvalue.
double&	Red (void)
	returns red component as lvalue.
double	Green (void) const
	returns green component as rvalue.
double&	Green (void)
	returns green component as lvalue.
double	Blue (void) const
	returns blue component as rvalue.
double&	Blue (void)
	returns blue component as lvalue.
Private Methods
double	Clamp (double v) const
	clamps v to interval 0..1.
Private Attributes
double	red
	the red component in the RGB-model.
double	green
	the green component in the RGB-model.
double	blue
	the blue component in the RGB-model.
Friends
istream&	operator >> (istream& in, IGColor& C)
	reads the color from the input stream NOTE: is not the inverse of the operator<<.
ostream&	operator<< (ostream& out, const IGColor& C)
	writes the color to the output stream NOTE: is not the inverse of the operator>>.

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Constructor & Destructor Documentation

IGColor::IGColor ( double gray = 0.0 )

default constructor produces black, can be used to produce gray tone.

Definition at line 29 of file IGColor.cpp.

IGColor::IGColor ( double r, double g, double b )

constructs color with given RGB-values.

Definition at line 35 of file IGColor.cpp.

IGColor::IGColor ( const IGColor & C )

Definition at line 46 of file IGColor.cpp.

IGColor::~IGColor ( )

Definition at line 55 of file IGColor.cpp.

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Member Function Documentation

double & IGColor::Blue ( void ) [inline]

returns blue component as lvalue.

Definition at line 59 of file IGColor.h.

double IGColor::Blue ( void ) const [inline]

returns blue component as rvalue.

Definition at line 57 of file IGColor.h.

double IGColor::Clamp ( double v ) const [private]

clamps v to interval 0..1.

Definition at line 23 of file IGColor.cpp.

Referenced by IGColor(), and operator >>().

double & IGColor::Green ( void ) [inline]

returns green component as lvalue.

Definition at line 55 of file IGColor.h.

double IGColor::Green ( void ) const [inline]

returns green component as rvalue.

Definition at line 53 of file IGColor.h.

double & IGColor::Red ( void ) [inline]

returns red component as lvalue.

Definition at line 51 of file IGColor.h.

double IGColor::Red ( void ) const [inline]

returns red component as rvalue.

Definition at line 49 of file IGColor.h.

void IGColor::SetColor ( void ) const

Definition at line 57 of file IGColor.cpp.

Referenced by IGPoint::Draw().

IGColor & IGColor::operator= ( const IGColor & C )

Definition at line 62 of file IGColor.cpp.

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Friends And Related Function Documentation

istream & operator >> ( istream & in, IGColor & C ) [friend]

reads the color from the input stream NOTE: is not the inverse of the operator<<.

Definition at line 73 of file IGColor.cpp.

ostream & operator<< ( ostream & out, const IGColor & C ) [friend]

writes the color to the output stream NOTE: is not the inverse of the operator>>.

Definition at line 84 of file IGColor.cpp.

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Member Data Documentation

double IGColor::blue [private]

the blue component in the RGB-model.

Definition at line 34 of file IGColor.h.

double IGColor::green [private]

the green component in the RGB-model.

Definition at line 32 of file IGColor.h.

double IGColor::red [private]

the red component in the RGB-model.

Definition at line 30 of file IGColor.h.

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

• IGColor.h
• IGColor.cpp

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