QColorTrcLut Class Reference

#include <qcolortrclut_p.h>

Collaboration diagram for QColorTrcLut:

Public Types
enum	Direction { ToLinear = 1 , FromLinear = 2 , BiLinear = ToLinear | FromLinear }

Public Member Functions
void	setFromGamma (qreal gamma, Direction dir=BiLinear)
void	setFromTransferFunction (const QColorTransferFunction &transFn, Direction dir=BiLinear)
void	setFromTransferTable (const QColorTransferTable &transTable, Direction dir=BiLinear)
QRgba64	toLinear64 (QRgb rgb32) const
QRgba64	toLinear64 (QRgba64) const =delete
QRgb	toLinear (QRgb rgb32) const
QRgba64	toLinear (QRgba64 rgb64) const
float	u8ToLinearF32 (int c) const
float	u16ToLinearF32 (int c) const
float	toLinear (float f) const
QRgb	fromLinear64 (QRgba64 rgb64) const
QRgb	fromLinear (QRgb rgb32) const
QRgba64	fromLinear (QRgba64 rgb64) const
int	u8FromLinearF32 (float f) const
int	u16FromLinearF32 (float f) const
float	fromLinear (float f) const

Static Public Member Functions
static std::shared_ptr< QColorTrcLut >	fromGamma (qreal gamma, Direction dir=BiLinear)
static std::shared_ptr< QColorTrcLut >	fromTransferFunction (const QColorTransferFunction &transFn, Direction dir=BiLinear)
static std::shared_ptr< QColorTrcLut >	fromTransferTable (const QColorTransferTable &transTable, Direction dir=BiLinear)

Public Attributes
std::unique_ptr< ushort[]>	m_toLinear
std::unique_ptr< ushort[]>	m_fromLinear

Static Public Attributes
static constexpr uint32_t	ShiftUp = 4
static constexpr uint32_t	ShiftDown = (8 - ShiftUp)
static constexpr qsizetype	Resolution = (1 << ShiftUp) * 255

Detailed Description

Definition at line 36 of file qcolortrclut_p.h.

Member Enumeration Documentation

Direction

enum QColorTrcLut::Direction

Enumerator
ToLinear
FromLinear
BiLinear

Definition at line 43 of file qcolortrclut_p.h.

Member Function Documentation

fromGamma()

std::shared_ptr< QColorTrcLut > QColorTrcLut::fromGamma ( qreal gamma, Direction dir = BiLinear )

static

Definition at line 16 of file qcolortrclut.cpp.

References dir.

Referenced by QGuiApplicationPrivate::colorProfileForA32Text(), and QGuiApplicationPrivate::colorProfileForA8Text().

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fromLinear() [1/3]

float QColorTrcLut::fromLinear ( float f ) const

inline

Definition at line 194 of file qcolortrclut_p.h.

fromLinear() [2/3]

QRgb QColorTrcLut::fromLinear ( QRgb rgb32 ) const

inline

Definition at line 174 of file qcolortrclut_p.h.

fromLinear() [3/3]

QRgba64 QColorTrcLut::fromLinear ( QRgba64 rgb64 ) const

inline

Definition at line 179 of file qcolortrclut_p.h.

fromLinear64()

QRgb QColorTrcLut::fromLinear64 ( QRgba64 rgb64 ) const

inline

Definition at line 129 of file qcolortrclut_p.h.

fromTransferFunction()

std::shared_ptr< QColorTrcLut > QColorTrcLut::fromTransferFunction ( const QColorTransferFunction & transFn, Direction dir = BiLinear )

static

Definition at line 23 of file qcolortrclut.cpp.

References dir, and fun.

Referenced by lutFromTrc().

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fromTransferTable()

std::shared_ptr< QColorTrcLut > QColorTrcLut::fromTransferTable ( const QColorTransferTable & transTable, Direction dir = BiLinear )

static

Definition at line 30 of file qcolortrclut.cpp.

References dir.

Referenced by lutFromTrc().

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setFromGamma()

void QColorTrcLut::setFromGamma	(	qreal	gamma,
		Direction	dir = BiLinear )

Definition at line 37 of file qcolortrclut.cpp.

References dir, FromLinear, i, m_fromLinear, m_toLinear, qPow(), qRound(), Resolution, and ToLinear.

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setFromTransferFunction()

void QColorTrcLut::setFromTransferFunction	(	const QColorTransferFunction &	transFn,
		Direction	dir = BiLinear )

Definition at line 54 of file qcolortrclut.cpp.

References dir, FromLinear, fun, i, m_fromLinear, m_toLinear, qRound(), Resolution, and ToLinear.

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setFromTransferTable()

void QColorTrcLut::setFromTransferTable	(	const QColorTransferTable &	transTable,
		Direction	dir = BiLinear )

Definition at line 72 of file qcolortrclut.cpp.

References dir, FromLinear, i, m_fromLinear, m_toLinear, qBound(), qRound(), Resolution, and ToLinear.

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toLinear() [1/3]

float QColorTrcLut::toLinear ( float f ) const

inline

Definition at line 123 of file qcolortrclut_p.h.

toLinear() [2/3]

QRgb QColorTrcLut::toLinear ( QRgb rgb32 ) const

inline

Definition at line 100 of file qcolortrclut_p.h.

Referenced by qGamma_correct_back_to_linear_cs().

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toLinear() [3/3]

QRgba64 QColorTrcLut::toLinear ( QRgba64 rgb64 ) const

inline

Definition at line 105 of file qcolortrclut_p.h.

toLinear64() [1/2]

QRgba64 QColorTrcLut::toLinear64 ( QRgb rgb32 ) const

inline

Definition at line 58 of file qcolortrclut_p.h.

References QRgba64::fromRgba64(), qAlpha(), qBlue(), qGreen(), and qRed().

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toLinear64() [2/2]

QRgba64 QColorTrcLut::toLinear64 ( QRgba64 ) const

delete

u16FromLinearF32()

int QColorTrcLut::u16FromLinearF32 ( float f ) const

inline

Definition at line 189 of file qcolortrclut_p.h.

u16ToLinearF32()

float QColorTrcLut::u16ToLinearF32 ( int c ) const

inline

Definition at line 116 of file qcolortrclut_p.h.

u8FromLinearF32()

int QColorTrcLut::u8FromLinearF32 ( float f ) const

inline

Definition at line 184 of file qcolortrclut_p.h.

u8ToLinearF32()

float QColorTrcLut::u8ToLinearF32 ( int c ) const

inline

Definition at line 110 of file qcolortrclut_p.h.

Member Data Documentation

m_fromLinear

std::unique_ptr<ushort[]> QColorTrcLut::m_fromLinear

Definition at line 205 of file qcolortrclut_p.h.

Referenced by setFromGamma(), setFromTransferFunction(), and setFromTransferTable().

m_toLinear

std::unique_ptr<ushort[]> QColorTrcLut::m_toLinear

Definition at line 204 of file qcolortrclut_p.h.

Referenced by setFromGamma(), setFromTransferFunction(), and setFromTransferTable().

Resolution

constexpr qsizetype QColorTrcLut::Resolution = (1 << ShiftUp) * 255

staticconstexpr

Definition at line 41 of file qcolortrclut_p.h.

Referenced by loadPremultiplied< QRgb >(), loadPremultiplied< QRgba64 >(), setFromGamma(), setFromTransferFunction(), setFromTransferTable(), storePremultiplied(), and storePremultiplied().

ShiftDown

constexpr uint32_t QColorTrcLut::ShiftDown = (8 - ShiftUp)

staticconstexpr

Definition at line 40 of file qcolortrclut_p.h.

ShiftUp

constexpr uint32_t QColorTrcLut::ShiftUp = 4

staticconstexpr

Definition at line 39 of file qcolortrclut_p.h.

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

• qtbase/src/gui/painting/qcolortrclut_p.h (04e5b86f9e695e2ca4516179a214d2eff6a2157e)
• qtbase/src/gui/painting/qcolortrclut.cpp (04e5b86f9e695e2ca4516179a214d2eff6a2157e)