ColourA Class Reference

#include <colour.h>

List of all members.

Public Member Functions
	ColourA (CLR r, CLR g, CLR b, CLR a)
	ColourA (const CLR &a)
	ColourA (const Colour &d)
CLR	red () const
CLR	green () const
CLR	blue () const
CLR	alpha () const
void	add (const ColourA &d)
void	sub (const ColourA &d)
void	scale (CLR s)
void	scale (const ColourA &d)
void	scale (const Colour &d)
ColourA	scaled (CLR s) const
CLR	norm () const

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Detailed Description

Colour vector including an alpha (transparency) component.

Author:

Micha Riser

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Constructor & Destructor Documentation

ColourA::ColourA (  CLR  r, CLR  g, CLR  b, CLR  a )  [inline]

Constructs new colour form red, green, blue and alpha components.

ColourA::ColourA (  const CLR &  a  )  [inline]

Copy constructor.

ColourA::ColourA (  const Colour &  d  )

Construct ColourA from Colour. Alpha component is set to 0.

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Member Function Documentation

void ColourA::add (  const ColourA &  d  )  [inline]

Add ColourA. (What to do with alpha?) Parameters: d  colour to add

CLR ColourA::norm (   )  const [inline]

Colour norm. Returns: a (unspecified) norm of the colour

void ColourA::scale (  const Colour &  d  )

Scale rgb components componentwise. Alpha is not changed. Parameters: d  ColourA holding the scaling coifficients

void ColourA::scale (  const ColourA &  d  )  [inline]

Scale colour componentwise. (What to do with alpha?) Parameters: d  ColourA holding the scaling coifficients

void ColourA::scale (  CLR  s  )  [inline]

Scale colour by float. Parameters: s  scaling coifficient

ColourA ColourA::scaled (  CLR  s  )  const [inline]

Returns: colour scaled by factor Parameters: s  scaling factor

void ColourA::sub (  const ColourA &  d  )  [inline]

Subtract ColourA. (What to do with alpha?) Parameters: d  colour to subtract

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

• colour.h
• colour.cpp

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