另請參閱 QRgb , QRgba64 ，和 QColor .

成員類型文檔編製

[alias] QRgbaFloat:: FastType

彆名化的 float .

成員函數文檔編製

[constexpr] quint8 QRgbaFloat:: alpha8 () const

Returns the alpha channel as an 8-bit.

[constexpr] quint16 QRgbaFloat:: alpha16 () const

Returns the alpha channel as a 16-bit integer.

[constexpr] float QRgbaFloat:: alpha () const

Returns the alpha channel.

另請參閱 setAlpha ().

[constexpr] float QRgbaFloat:: alphaNormalized () const

Returns the alpha channel normalized to values between 0.0f and 1.0f .

另請參閱 alpha ().

[constexpr] quint8 QRgbaFloat:: blue8 () const

Returns the blue color component as an 8-bit.

[constexpr] quint16 QRgbaFloat:: blue16 () const

Returns the blue color component as a 16-bit integer.

[constexpr] float QRgbaFloat:: blue () const

Returns the blue color component.

另請參閱 setBlue ().

[constexpr] float QRgbaFloat:: blueNormalized () const

Returns the blue color component normalized to values between 0.0f and 1.0f .

另請參閱 setBlue ().

[static constexpr] QRgbaFloat < T > QRgbaFloat:: fromArgb32 ( uint rgb )

構造 QRgbaFloat value from the 32bit ARGB value rgb .

另請參閱 fromRgba () 和 toArgb32 ().

[static constexpr] QRgbaFloat < T > QRgbaFloat:: fromRgba64 ( quint16 red , quint16 green , quint16 blue , quint16 alpha )

構造 QRgbaFloat value from the four 16-bit integer color channels red , green , blue and alpha .

另請參閱 fromRgba ().

[static constexpr] QRgbaFloat < T > QRgbaFloat:: fromRgba ( quint8 red , quint8 green , quint8 blue , quint8 alpha )

構造 QRgbaFloat value from the four 8-bit color channels red , green , blue and alpha .

另請參閱 fromArgb32 ().

[constexpr] quint8 QRgbaFloat:: green8 () const

Returns the green color component as an 8-bit.

[constexpr] quint16 QRgbaFloat:: green16 () const

Returns the green color component as a 16-bit integer.

[constexpr] float QRgbaFloat:: green () const

Returns the green color component.

另請參閱 setGreen ().

[constexpr] float QRgbaFloat:: greenNormalized () const

Returns the green color component normalized to values between 0.0f and 1.0f .

另請參閱 setGreen ().

[constexpr] bool QRgbaFloat:: isOpaque () const

Returns whether the color is fully opaque.

另請參閱 isTransparent () 和 alpha ().

[constexpr] bool QRgbaFloat:: isTransparent () const

Returns whether the color is fully transparent.

另請參閱 isOpaque () 和 alpha ().

[constexpr] QRgbaFloat < T > QRgbaFloat:: premultiplied () const

Returns the color with the alpha premultiplied.

另請參閱 unpremultiplied ().

[constexpr] quint8 QRgbaFloat:: red8 () const

Returns the red color component as an 8-bit.

[constexpr] quint16 QRgbaFloat:: red16 () const

Returns the red color component as a 16-bit integer.

[constexpr] float QRgbaFloat:: red () const

Returns the red color component.

另請參閱 setRed ().

[constexpr] float QRgbaFloat:: redNormalized () const

Returns the red color component normalized to values between 0.0f and 1.0f .

另請參閱 setRed ().

void QRgbaFloat:: setAlpha ( float alpha )

將此顔色的 Alpha 設為 alpha .

另請參閱 alpha ().

void QRgbaFloat:: setBlue ( float blue )

將此顔色的藍色顔色分量設為 blue .

另請參閱 blue ().

void QRgbaFloat:: setGreen ( float green )

將此顔色的綠色顔色分量設為 green .

另請參閱 green ().

void QRgbaFloat:: setRed ( float red )

將此顔色的紅色顔色分量設為 red .

另請參閱 red ().

[constexpr] uint QRgbaFloat:: toArgb32 () const

Returns the color as a 32-bit ARGB value.

另請參閱 fromArgb32 ().

[constexpr] QRgbaFloat < T > QRgbaFloat:: unpremultiplied () const

Returns the color with the alpha unpremultiplied.

另請參閱 premultiplied ().

相關非成員

QRgbaFloat16

A 64-bit data-structure containing four 16-bit floating point color channels: Red, green, blue and alpha.

QRgbaFloat32

A 128-bit data-structure containing four 32-bit floating point color channels: Red, green, blue and alpha.