L4Re::Video::Color_component Class Reference

A color component. More...

#include <colors>

Collaboration diagram for L4Re::Video::Color_component:

Public Member Functions
	Color_component ()
	Constructor.
	Color_component (unsigned char bits, unsigned char shift)
	Constructor.
unsigned char	size () const
	Return the number of bits used by the component.
unsigned char	shift () const
	Return the position of the component in the pixel.
bool	operator== (Color_component const &o) const
	Compare for equality.
int	get (unsigned long v) const
	Get component from value (normalized to 16bits).
long unsigned	set (int v) const
	Transform 16bit normalized value to the component in the color space.
template<typename OUT >
void	dump (OUT &s) const
	Dump information on the view information to a stream.

Detailed Description

A color component.

Definition at line 32 of file colors.

Constructor & Destructor Documentation

Color_component()

L4Re::Video::Color_component::Color_component ( unsigned char  bits, unsigned char  shift  )

inline

Constructor.

Parameters

bits	Number of bits used by the component
shift	Position in bits of the component in the pixel

Definition at line 47 of file colors.

Member Function Documentation

dump()

template<typename OUT >

void L4Re::Video::Color_component::dump ( OUT &  s ) const

inline

Dump information on the view information to a stream.

Parameters

s

Stream

Returns

The stream

Definition at line 94 of file colors.

get()

int L4Re::Video::Color_component::get ( unsigned long  v ) const

inline

Get component from value (normalized to 16bits).

Parameters

v

Value

Returns

Converted value

Definition at line 74 of file colors.

operator==()

bool L4Re::Video::Color_component::operator== ( Color_component const &  o ) const

inline

Compare for equality.

Returns

True if the same components are described, false if not.

Definition at line 66 of file colors.

set()

long unsigned L4Re::Video::Color_component::set ( int  v ) const

inline

Transform 16bit normalized value to the component in the color space.

Parameters

v	Value return Converted value.

Definition at line 85 of file colors.

shift()

unsigned char L4Re::Video::Color_component::shift ( ) const

inline

Return the position of the component in the pixel.

Returns

Position in bits of the component in the pixel

Definition at line 60 of file colors.

Referenced by L4Re::Video::Pixel_info::padding().

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size()

unsigned char L4Re::Video::Color_component::size ( ) const

inline

Return the number of bits used by the component.

Returns

Number of bits used by the component

Definition at line 54 of file colors.

Referenced by L4Re::Video::Pixel_info::bits_per_pixel(), L4Re::Video::Pixel_info::has_alpha(), and L4Re::Video::Pixel_info::padding().

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

• l4/re/video/colors