cpe::color Class Reference

Public Member Functions
	color ()
	Generate a color, value=(0,0,0)=black.
	color (octet r, octet g, octet b)
	Direct constructor with values.
	color (int r, int g, int b)
	Direct constructor with values as integer (truncated in [0,255])
int	red () const
	get the red value
int	green () const
	get the green value
int	blue () const
	get the blue value
octet &	red ()
	set the red value
octet &	green ()
	set the green value
octet &	blue ()
	set the blue value
std::string	to_string () const
	convert the color into string

Static Public Member Functions
static double	norm (const color &c1, const color &c2)
	Compute the norm between two colors.

Private Attributes
octet	r
	internal storage for red component
octet	g
	internal storage for green component
octet	b
	internal storage for blue component

Detailed Description

Storage class for a color Store the color as (r,g,b) value. Each component belongs in [0,255]

Constructor & Destructor Documentation

cpe::color::color

(

)

Generate a color, value=(0,0,0)=black.

References b, g, and r.

cpe::color::color	(	octet	r,
		octet	g,
		octet	b
	)

Direct constructor with values.

cpe::color::color	(	int	r,
		int	g,
		int	b
	)

Direct constructor with values as integer (truncated in [0,255])

References b, g, and r.

Member Function Documentation

int cpe::color::blue

(

)

const

get the blue value

References b.

Referenced by norm().

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octet & cpe::color::blue

(

)

set the blue value

References b.

int cpe::color::green

(

)

const

get the green value

References g.

Referenced by norm().

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octet & cpe::color::green

(

)

set the green value

References g.

double cpe::color::norm ( const color &  c1, const color &  c2  )

static

Compute the norm between two colors.

Compute the Euclidian distance sqrt((r2-r1)^2+(g2-g1)^2+(b2-b1)^2)

References blue(), green(), and red().

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int cpe::color::red

(

)

const

get the red value

References r.

Referenced by norm().

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octet & cpe::color::red

(

)

set the red value

References r.

std::string cpe::color::to_string

(

)

const

convert the color into string

References b, g, and r.

Referenced by cpe::operator<<().

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Member Data Documentation

octet cpe::color::b

private

internal storage for blue component

Referenced by blue(), color(), and to_string().

octet cpe::color::g

private

internal storage for green component

Referenced by color(), green(), and to_string().

octet cpe::color::r

private

internal storage for red component

Referenced by color(), red(), and to_string().

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

• /home/damien/work/2012_2013_teaching/2012_5irc_5eti_video/TP_etudiant/tp_compression_video/src_tp/color.hpp
• /home/damien/work/2012_2013_teaching/2012_5irc_5eti_video/TP_etudiant/tp_compression_video/src_tp/color.cpp