The QRgba64 struct contains a 64-bit RGB color. More...

Public Methods
constexpr quint16	alpha () const

constexpr quint8	alpha8 () const

constexpr quint16	blue () const

constexpr quint8	blue8 () const

constexpr quint16	green () const

constexpr quint8	green8 () const

constexpr bool	isOpaque () const

constexpr bool	isTransparent () const

constexpr	operator quint64 () const

QRgba64	operator= (quint64 rgba64)

constexpr QRgba64	premultiplied () const

constexpr quint16	red () const

constexpr quint8	red8 () const

void	setAlpha (quint16 alpha)

void	setBlue (quint16 blue)

void	setGreen (quint16 green)

void	setRed (quint16 red)

constexpr uint	toArgb32 () const

constexpr ushort	toRgb16 () const

constexpr QRgba64	unpremultiplied () const

Static Public Methods
static constexpr QRgba64	fromArgb32 (uint rgb)

static constexpr QRgba64	fromRgba (quint8 red, quint8 green, quint8 blue, quint8 alpha)

static constexpr QRgba64	fromRgba64 (quint16 red, quint16 green, quint16 blue, quint16 alpha)

static constexpr QRgba64	fromRgba64 (quint64 c)

Detailed Description

QRgba64 is a 64-bit data-structure containing four 16-bit color channels: red, green, blue and alpha. QRgba64 can be used as a replacement for QRgb when higher precision is needed. In particular a premultiplied QRgba64 can operate on unpremultiplied QRgb without loss of precision except for alpha 0.

See also: QRgb, QColor

Method Documentation

constexpr quint16 QRgba64::alpha ( ) const

inlineconstexpr

Returns the 16-bit alpha channel.

See also: setAlpha()

constexpr quint8 QRgba64::alpha8 ( ) const

inlineconstexpr

Returns the alpha channel as an 8-bit.

constexpr quint16 QRgba64::blue ( ) const

inlineconstexpr

Returns the 16-bit blue color component.

See also: setBlue()

constexpr quint8 QRgba64::blue8 ( ) const

inlineconstexpr

Returns the blue color component as an 8-bit.

constexpr QRgba64 QRgba64::fromArgb32 ( uint rgb )

inlinestaticconstexpr

Constructs a QRgba64 value from the 32bit ARGB value rgb.

See also: fromRgba()

constexpr QRgba64 QRgba64::fromRgba	(	quint8	red,
		quint8	green,
		quint8	blue,
		quint8	alpha
	)

inlinestaticconstexpr

Constructs a QRgba64 value from the four 8-bit color channels red, green, blue and alpha.

See also: fromArgb32()

constexpr QRgba64 QRgba64::fromRgba64	(	quint16	red,
		quint16	green,
		quint16	blue,
		quint16	alpha
	)

inlinestaticconstexpr

Returns the QRgba64 quadruplet (red, green, blue, alpha).

See also: fromRgba()

constexpr QRgba64 QRgba64::fromRgba64 ( quint64 c )

inlinestaticconstexpr

Returns c as a QRgba64 struct.

See also: fromArgb32()

constexpr quint16 QRgba64::green ( ) const

inlineconstexpr

Returns the 16-bit green color component.

See also: setGreen()

constexpr quint8 QRgba64::green8 ( ) const

inlineconstexpr

Returns the green color component as an 8-bit.

constexpr bool QRgba64::isOpaque ( ) const

inlineconstexpr

Returns whether the color is fully opaque.

See also: isTransparent(), alpha()

constexpr bool QRgba64::isTransparent ( ) const

inlineconstexpr

Returns whether the color is transparent.

See also: isOpaque(), alpha()

constexpr QRgba64::operator quint64 ( ) const

inlineconstexpr

Returns the color as a 64bit unsigned integer

QRgba64 QRgba64::operator= ( quint64 rgba64 )

inline

Copy assigns from rgba64 and returns a reference to this object.

constexpr QRgba64 QRgba64::premultiplied ( ) const

inlineconstexpr

Returns the color with the alpha premultiplied.

See also: unpremultiplied()

constexpr quint16 QRgba64::red ( ) const

inlineconstexpr

Returns the 16-bit red color component.

See also: setRed()

constexpr quint8 QRgba64::red8 ( ) const

inlineconstexpr

Returns the red color component as an 8-bit.

void QRgba64::setAlpha ( quint16 alpha )

inline

Sets the alpha of this color to alpha.

See also: alpha()

void QRgba64::setBlue ( quint16 blue )

inline

Sets the blue color component of this color to blue.

See also: blue()

void QRgba64::setGreen ( quint16 green )

inline

Sets the green color component of this color to green.

See also: green()

void QRgba64::setRed ( quint16 red )

inline

Sets the red color component of this color to red.

See also: red()

constexpr uint QRgba64::toArgb32 ( ) const

inlineconstexpr

Returns the color as a 32-bit ARGB value.

See also: fromArgb32()

constexpr ushort QRgba64::toRgb16 ( ) const

inlineconstexpr

Returns the color as a 16-bit RGB value.

See also: toArgb32()

constexpr QRgba64 QRgba64::unpremultiplied ( ) const

inlineconstexpr

Returns the color with the alpha unpremultiplied.

See also: premultiplied()

Public Methods

Static Public Methods

Detailed Description

Method Documentation