Wt::SDLColor Class Reference

#include <sdlcolor.h>

Inherited by Wt::Color.

List of all members.

Public Types
	Transparent = SDL_ALPHA_TRANSPARENT
	Opaque = SDL_ALPHA_OPAQUE
enum	{ Transparent = SDL_ALPHA_TRANSPARENT, Opaque = SDL_ALPHA_OPAQUE }
	The alpha channel values for transparent and opaque. More...
Public Member Functions
	SDLColor ()
	Default constructor (opaque black).
	SDLColor (int red, int green, int blue, int alpha=Opaque)
	Construct from a triple/quadruple. (R, G, B, A).
	SDLColor (const SDL_Color &color)
	constructor from a base object
SDLColor &	operator= (const SDL_Color &color)
	assign operator
	operator const SDL_Color & () const
	operator SDL_Color & ()
int	red () const
int	green () const
int	blue () const
int	alpha () const
void	setRed (int red)
void	setGreen (int green)
void	setBlue (int blue)
void	setAlpha (int alpha)
void	setColor (int red, int green, int blue, int alpha)
bool	equals (const SDLColor &other) const
	Compares colors (without alpha channel !).
bool	operator== (const SDLColor &other) const
bool	operator!= (const SDLColor &other) const
	Inequality comparison.
Static Public Member Functions
static void	calcBlendFactors (int factor, int &new_factor, int &old_factor)
static SDLColor	blend (const SDLColor &old_color, int old_factor, const SDLColor &new_color, int new_factor, int new_alpha_factor=Transparent, int old_alpha_factor=Opaque)

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Detailed Description

Note:

don't change object size to keep SDL_Color compatibility. that means:

• no new data members
• no virtual functions

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Member Enumeration Documentation

anonymous enum

The alpha channel values for transparent and opaque.

Enumerator:

Transparent
Opaque

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Constructor & Destructor Documentation

Wt::SDLColor::SDLColor

(

)

[inline]

Default constructor (opaque black).

Wt::SDLColor::SDLColor	(	int	red,
		int	green,
		int	blue,
		int	alpha = Opaque
	)			[inline]

Construct from a triple/quadruple. (R, G, B, A).

Wt::SDLColor::SDLColor

(

const SDL_Color &

color

)

[inline]

constructor from a base object

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Member Function Documentation

int Wt::SDLColor::alpha

(

)

const [inline]

static SDLColor Wt::SDLColor::blend	(	const SDLColor &	old_color,
		int	old_factor,
		const SDLColor &	new_color,
		int	new_factor,
		int	new_alpha_factor = Transparent,
		int	old_alpha_factor = Opaque
	)			[inline, static]

int Wt::SDLColor::blue

(

)

const [inline]

static void Wt::SDLColor::calcBlendFactors	(	int	factor,
		int &	new_factor,
		int &	old_factor
	)			[inline, static]

bool Wt::SDLColor::equals

(

const SDLColor &

other

)

const [inline]

Compares colors (without alpha channel !).

int Wt::SDLColor::green

(

)

const [inline]

Wt::SDLColor::operator const SDL_Color &

(

)

const [inline]

Wt::SDLColor::operator SDL_Color &

(

)

[inline]

bool Wt::SDLColor::operator!=

(

const SDLColor &

other

)

const [inline]

Inequality comparison.

SDLColor& Wt::SDLColor::operator=

(

const SDL_Color &

color

)

[inline]

assign operator

bool Wt::SDLColor::operator==

(

const SDLColor &

other

)

const [inline]

int Wt::SDLColor::red

(

)

const [inline]

void Wt::SDLColor::setAlpha

(

int

alpha

)

[inline]

void Wt::SDLColor::setBlue

(

int

blue

)

[inline]

void Wt::SDLColor::setColor	(	int	red,
		int	green,
		int	blue,
		int	alpha
	)			[inline]

void Wt::SDLColor::setGreen

(

int

green

)

[inline]

void Wt::SDLColor::setRed

(

int

red

)

[inline]

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

• sdlcolor.h

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Generated Fri Jul 28 19:22:38 2006.
Copyright © 1998-2003 by the respective authors.

This document is licensed under the terms of the GNU Free Documentation License and may be freely distributed under the conditions given by this license.