stmg::TileAlpha Class Reference

Inheritance diagram for stmg::TileAlpha:

Public Types
enum	{ ALPHA_MIN = 0, ALPHA_MAX = 255 }

Public Member Functions
	TileAlpha () noexcept
bool	isEmpty () const noexcept
	Whether the alpha value is empty (not set). More...
void	clear () noexcept
	Sets alpha to empty. More...
bool	isOpaque () const noexcept
	Whether alpha is ALPHA_MAX. More...
bool	operator== (const TileAlpha &oTileAlpha) const noexcept
uint8_t	getAlpha () const noexcept
	The current alpha or ALPHA_MAX if empty. More...
void	setAlpha (uint8_t nA) noexcept
double	getAlpha1 () const noexcept
double	setAlpha1 (double fA01) noexcept
void	dump () const noexcept

Static Public Member Functions
static double	alphaUint8ToDouble1 (uint8_t nAlpha) noexcept

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
ALPHA_MIN	Value 0 corresponds to complete transparency.
ALPHA_MAX	Value 255 corresponds to opaque.

Constructor & Destructor Documentation

TileAlpha()

stmg::TileAlpha::TileAlpha ( )

inlinenoexcept

Member Function Documentation

alphaUint8ToDouble1()

static double stmg::TileAlpha::alphaUint8ToDouble1 ( uint8_t  nAlpha )

inlinestaticnoexcept

clear()

void stmg::TileAlpha::clear ( )

inlinenoexcept

Sets alpha to empty.

dump()

void stmg::TileAlpha::dump ( ) const

inlinenoexcept

getAlpha()

uint8_t stmg::TileAlpha::getAlpha ( ) const

inlinenoexcept

The current alpha or ALPHA_MAX if empty.

Returns

The alpha value.

getAlpha1()

double stmg::TileAlpha::getAlpha1 ( ) const

inlinenoexcept

isEmpty()

bool stmg::TileAlpha::isEmpty ( ) const

inlinenoexcept

Whether the alpha value is empty (not set).

isOpaque()

bool stmg::TileAlpha::isOpaque ( ) const

inlinenoexcept

Whether alpha is ALPHA_MAX.

Returns

Whether alpha is not empty and opaque.

operator==()

bool stmg::TileAlpha::operator== ( const TileAlpha &  oTileAlpha ) const

inlinenoexcept

setAlpha()

void stmg::TileAlpha::setAlpha ( uint8_t  nA )

inlinenoexcept

setAlpha1()

double stmg::TileAlpha::setAlpha1 ( double  fA01 )

inlinenoexcept