QRgbaFloat 类

template <typename F> class QRgbaFloat

QRgbaFloat 结构包含 4 部分 RGBA 浮点颜色。 更多...

头：	#include <QRgbaFloat>
CMake:	find_package(Qt6 REQUIRED COMPONENTS Gui) target_link_libraries(mytarget PRIVATE Qt6::Gui)
qmake:	QT += gui
Since:	Qt 6.2

• 所有成员列表，包括继承成员
• QRgbaFloat is part of 描绘类 .

公共类型

FastType

公共函数

quint8	alpha8 () const
quint16	alpha16 () const
float	alpha () const
float	alphaNormalized () const
quint8	blue8 () const
quint16	blue16 () const
float	blue () const
float	blueNormalized () const
quint8	green8 () const
quint16	green16 () const
float	green () const
float	greenNormalized () const
bool	isOpaque () const
bool	isTransparent () const
QRgbaFloat<T>	premultiplied () const
quint8	red8 () const
quint16	red16 () const
float	red () const
float	redNormalized () const
void	setAlpha (float alpha )
void	setBlue (float blue )
void	setGreen (float green )
void	setRed (float red )
uint	toArgb32 () const
QRgbaFloat<T>	unpremultiplied () const

静态公共成员

QRgbaFloat<T>	fromArgb32 (uint rgb )
QRgbaFloat<T>	fromRgba64 (quint16 red , quint16 green , quint16 blue , quint16 alpha )
QRgbaFloat<T>	fromRgba (quint8 red , quint8 green , quint8 blue , quint8 alpha )

相关非成员

	QRgbaFloat16
	QRgbaFloat32

详细描述

另请参阅 QRgb , QRgba64 ，和 QColor .

成员类型文档编制

[alias] QRgbaFloat:: FastType

别名化的 float .

成员函数文档编制

[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.

另请参阅 setAlpha ().

[constexpr] float QRgbaFloat:: alphaNormalized () const

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

另请参阅 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.

另请参阅 setBlue ().

[constexpr] float QRgbaFloat:: blueNormalized () const

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

另请参阅 setBlue ().

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

构造 QRgbaFloat value from the 32bit ARGB value rgb .

另请参阅 fromRgba () 和 toArgb32 ().

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

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

另请参阅 fromRgba ().

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

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

另请参阅 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.

另请参阅 setGreen ().

[constexpr] float QRgbaFloat:: greenNormalized () const

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

另请参阅 setGreen ().

[constexpr] bool QRgbaFloat:: isOpaque () const

Returns whether the color is fully opaque.

另请参阅 isTransparent () 和 alpha ().

[constexpr] bool QRgbaFloat:: isTransparent () const

Returns whether the color is fully transparent.

另请参阅 isOpaque () 和 alpha ().

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

Returns the color with the alpha premultiplied.

另请参阅 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.

另请参阅 setRed ().

[constexpr] float QRgbaFloat:: redNormalized () const

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

另请参阅 setRed ().

void QRgbaFloat:: setAlpha ( float alpha )

将此颜色的 Alpha 设为 alpha .

另请参阅 alpha ().

void QRgbaFloat:: setBlue ( float blue )

将此颜色的蓝色颜色分量设为 blue .

另请参阅 blue ().

void QRgbaFloat:: setGreen ( float green )

将此颜色的绿色颜色分量设为 green .

另请参阅 green ().

void QRgbaFloat:: setRed ( float red )

将此颜色的红色颜色分量设为 red .

另请参阅 red ().

[constexpr] uint QRgbaFloat:: toArgb32 () const

Returns the color as a 32-bit ARGB value.

另请参阅 fromArgb32 ().

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

Returns the color with the alpha unpremultiplied.

另请参阅 premultiplied ().

相关非成员

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.

内容

• 公共类型

• 公共函数

• 静态公共成员

• 相关非成员

• 详细描述