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#include "qcolor.h"
#include "qcolor_p.h"
#include "qdrawhelper_p.h"
#include "qfloat16.h"
#include "qnamespace.h"
#include "qdatastream.h"
#include "qvariant.h"
#include "qdebug.h"
#include "private/qtools_p.h"
#include <algorithm>
#include <QtCore/q26numeric.h>
#include <optional>
#include <QtCore/q20utility.h>
#include <stdio.h>
#include <limits.h>

Include dependency graph for qcolor.cpp:

Go to the source code of this file.

Classes
struct	RGBData

Namespaces
namespace	QColorConstants
	\inmodule QtGui

Macros
#define	rgb(r, g, b)
#define	QRGB(r, g, b)
#define	QRGBA(r, g, b, a)

Enumerations
enum class	QColorRgbFValidity : quint8 { Rgb , ExtendedRgb , Invalid , Rgb , ExtendedRgb , Invalid }
enum class	QColorHueLimit : bool { None , Degrees , None , Degrees }
enum class	QColorRgbFValidity : quint8 { Rgb , ExtendedRgb , Invalid , Rgb , ExtendedRgb , Invalid }
enum class	QColorHueLimit : bool { None , Degrees , None , Degrees }

Functions
static int	hex2int (const char *s, int n)
static std::optional< QRgba64 >	get_hex_rgb (const char *name, size_t len)
std::optional< QRgb >	qt_get_hex_rgb (const char *name)
static std::optional< QRgba64 >	get_hex_rgb (const QChar *str, size_t len)
static std::optional< QRgba64 >	get_hex_rgb (QAnyStringView name)
bool	operator< (const char *name, const RGBData &data)
bool	operator< (const RGBData &data, const char *name)
static std::optional< QRgb >	get_named_rgb_no_space (const char *name_no_space)
static std::optional< QRgb >	get_named_rgb (QAnyStringView name)
static QStringList	get_colornames ()
static constexpr bool	qColorComponentIsInIntRange (int value) noexcept
static constexpr bool	qColorHueIsInIntRange (int hue, QColorHueLimit upperLimit) noexcept
static constexpr bool	qColorComponentIsInFloatRange (float value) noexcept
static constexpr bool	qColorHueIsInFloatRange (float hue) noexcept
static constexpr bool	qColorIsFloatNaN (float value) noexcept
Q_DECL_COLD_FUNCTION void	qColorWarnInvalidInt (int value, const char *fn)
Q_DECL_COLD_FUNCTION void	qColorWarnInvalidFloat (float value, const char *fn)
Q_DECL_COLD_FUNCTION void	qColorWarnParametersOutOfRange (const char name, const char fn)
static auto	qColorClampToIntRange (int value, const char *fn)
static auto	qColorClampToFloatRange (float value, const char *fn)
static auto	qColorClampNaNToNull (float value, const char *fn)
static bool	qColorCheckRgbValidity (int r, int g, int b, int a, const char *fn)
static bool	qColorCheckHsxValidity (int h, int s, int x, int a, const char fn, const char name, QColorHueLimit hLimit)
static bool	qColorCheckHslValidity (int h, int s, int l, int a, const char *fn, QColorHueLimit hLimit)
static bool	qColorCheckHsvValidity (int h, int s, int v, int a, const char *fn, QColorHueLimit hLimit)
static bool	qColorCheckCmykValidity (int c, int m, int y, int k, int a, const char *fn)
static QColorRgbFValidity	qColorCheckRgbFValidity (float r, float g, float b, float a, QColor::Spec cspec, const char *fn)
static bool	qColorCheckHsxFValidity (float h, float s, float x, float a, const char fn, const char name)
static bool	qColorCheckHslFValidity (float h, float s, float l, float a, const char *fn)
static bool	qColorCheckHsvFValidity (float h, float s, float v, float a, const char *fn)
static bool	qColorCheckCmykFValidity (float c, float m, float y, float k, float a, const char *fn)
static qfloat16 &	castF16 (quint16 &v)
static const qfloat16 &	castF16 (const quint16 &v)
QDebug	operator<< (QDebug dbg, const QColor &c)
QDataStream &	operator<< (QDataStream &stream, const QColor &color)
QDataStream &	operator>> (QDataStream &stream, QColor &color)

Variables
	QT_BEGIN_NAMESPACE
static constexpr struct RGBData	rgbTbl []
static const int	rgbTblSize = sizeof(rgbTbl) / sizeof(RGBData)
const uint	qt_inv_premul_factor [256]

Macro Definition Documentation

◆ QRGB

#define QRGB	(	r,
		g,
		b )

Value:

QRgb(((0xffu << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff)))

b

GLboolean GLboolean GLboolean b

Definition qopengles2ext.h:337

r

GLboolean r

Definition qopengles2ext.h:337

g

GLboolean GLboolean g

Definition qopengles2ext.h:337

QRgb

QT_BEGIN_NAMESPACE typedef unsigned int QRgb

Definition qrgb.h:14

◆ QRGBA

#define QRGBA	(	r,
		g,
		b,
		a )

Value:

QRgb(((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff))

a

GLboolean GLboolean GLboolean GLboolean a

Definition qopengles2ext.h:337

◆ rgb

#define rgb	(	r,
		g,
		b )

Value:

(0xff000000 | (r << 16) | (g << 8) | b)

Definition at line 127 of file qcolor.cpp.

Enumeration Type Documentation

◆ QColorHueLimit [1/2]

enum class QColorHueLimit : bool

strong

Enumerator
None
Degrees
None
Degrees

Definition at line 356 of file qcolor.cpp.

◆ QColorHueLimit [2/2]

enum class QColorHueLimit : bool

strong

Enumerator
None
Degrees
None
Degrees

Definition at line 356 of file qcolor.cpp.

◆ QColorRgbFValidity [1/2]

enum class QColorRgbFValidity : quint8

strong

Enumerator
Rgb
ExtendedRgb
Invalid
Rgb
ExtendedRgb
Invalid

Definition at line 347 of file qcolor.cpp.

◆ QColorRgbFValidity [2/2]

enum class QColorRgbFValidity : quint8

strong

Enumerator
Rgb
ExtendedRgb
Invalid
Rgb
ExtendedRgb
Invalid

Definition at line 347 of file qcolor.cpp.

Function Documentation

◆ castF16() [1/2]

const qfloat16 & castF16 ( const quint16 & v )

inlinestatic

Definition at line 1407 of file qcolor.cpp.

◆ castF16() [2/2]

qfloat16 & castF16 ( quint16 & v )

inlinestatic

Definition at line 1401 of file qcolor.cpp.

◆ get_colornames()

QStringList get_colornames ( )

static

Definition at line 336 of file qcolor.cpp.

References RGBData::name, and rgbTblSize.

◆ get_hex_rgb() [1/3]

std::optional< QRgba64 > get_hex_rgb	(	const char *	name,
		size_t	len )

static

Definition at line 51 of file qcolor.cpp.

◆ get_hex_rgb() [2/3]

std::optional< QRgba64 > get_hex_rgb	(	const QChar *	str,
		size_t	len )

static

Definition at line 100 of file qcolor.cpp.

◆ get_hex_rgb() [3/3]

std::optional< QRgba64 > get_hex_rgb ( QAnyStringView name )

static

Definition at line 111 of file qcolor.cpp.

◆ get_named_rgb()

std::optional< QRgb > get_named_rgb ( QAnyStringView name )

static

Definition at line 317 of file qcolor.cpp.

◆ get_named_rgb_no_space()

std::optional< QRgb > get_named_rgb_no_space ( const char * name_no_space )

static

Definition at line 303 of file qcolor.cpp.

References operator<(), rgbTblSize, and RGBData::value.

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◆ hex2int()

int hex2int	(	const char *	s,
		int	n )

inlinestatic

If s[0..n] is a valid hex number, returns its integer value, otherwise returns -1.

Definition at line 36 of file qcolor.cpp.

◆ operator<() [1/2]

bool operator<	(	const char *	name,
		const RGBData &	data )

inline

Definition at line 298 of file qcolor.cpp.

References RGBData::name.

Referenced by get_named_rgb_no_space().

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◆ operator<() [2/2]

bool operator<	(	const RGBData &	data,
		const char *	name )

inline

Definition at line 300 of file qcolor.cpp.

References RGBData::name.

◆ operator<<() [1/2]

QDataStream & operator<<	(	QDataStream &	stream,
		const QColor &	color )

Definition at line 3114 of file qcolor.cpp.

◆ operator<<() [2/2]

QDebug operator<<	(	QDebug	dbg,
		const QColor &	c )

Definition at line 3084 of file qcolor.cpp.

◆ operator>>()

QDataStream & operator>>	(	QDataStream &	stream,
		QColor &	color )

Definition at line 3150 of file qcolor.cpp.

◆ qColorCheckCmykFValidity()

bool qColorCheckCmykFValidity	(	float	c,
		float	m,
		float	y,
		float	k,
		float	a,
		const char *	fn )

static

Definition at line 528 of file qcolor.cpp.

References qColorComponentIsInFloatRange(), and qColorWarnParametersOutOfRange().

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◆ qColorCheckCmykValidity()

bool qColorCheckCmykValidity	(	int	c,
		int	m,
		int	y,
		int	k,
		int	a,
		const char *	fn )

static

Definition at line 467 of file qcolor.cpp.

References qColorComponentIsInIntRange(), and qColorWarnParametersOutOfRange().

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◆ qColorCheckHslFValidity()

bool qColorCheckHslFValidity	(	float	h,
		float	s,
		float	l,
		float	a,
		const char *	fn )

static

Definition at line 518 of file qcolor.cpp.

References qColorCheckHsxFValidity().

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◆ qColorCheckHslValidity()

bool qColorCheckHslValidity	(	int	h,
		int	s,
		int	l,
		int	a,
		const char *	fn,
		QColorHueLimit	hLimit )

static

Definition at line 455 of file qcolor.cpp.

References qColorCheckHsxValidity().

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◆ qColorCheckHsvFValidity()

bool qColorCheckHsvFValidity	(	float	h,
		float	s,
		float	v,
		float	a,
		const char *	fn )

static

Definition at line 523 of file qcolor.cpp.

References qColorCheckHsxFValidity().

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◆ qColorCheckHsvValidity()

bool qColorCheckHsvValidity	(	int	h,
		int	s,
		int	v,
		int	a,
		const char *	fn,
		QColorHueLimit	hLimit )

static

Definition at line 461 of file qcolor.cpp.

References qColorCheckHsxValidity().

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◆ qColorCheckHsxFValidity()

bool qColorCheckHsxFValidity	(	float	h,
		float	s,
		float	x,
		float	a,
		const char *	fn,
		const char *	name )

static

Definition at line 504 of file qcolor.cpp.

References qColorComponentIsInFloatRange(), qColorHueIsInFloatRange(), and qColorWarnParametersOutOfRange().

Referenced by qColorCheckHslFValidity(), and qColorCheckHsvFValidity().

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◆ qColorCheckHsxValidity()

bool qColorCheckHsxValidity	(	int	h,
		int	s,
		int	x,
		int	a,
		const char *	fn,
		const char *	name,
		QColorHueLimit	hLimit )

static

Definition at line 441 of file qcolor.cpp.

References qColorComponentIsInIntRange(), qColorHueIsInIntRange(), and qColorWarnParametersOutOfRange().

Referenced by qColorCheckHslValidity(), and qColorCheckHsvValidity().

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◆ qColorCheckRgbFValidity()

QColorRgbFValidity qColorCheckRgbFValidity	(	float	r,
		float	g,
		float	b,
		float	a,
		QColor::Spec	cspec,
		const char *	fn )

static

Definition at line 481 of file qcolor.cpp.

References ExtendedRgb, Invalid, qColorComponentIsInFloatRange(), qColorIsFloatNaN(), qColorWarnInvalidFloat(), qColorWarnParametersOutOfRange(), and Rgb.

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◆ qColorCheckRgbValidity()

bool qColorCheckRgbValidity	(	int	r,
		int	g,
		int	b,
		int	a,
		const char *	fn )

static

Definition at line 428 of file qcolor.cpp.

References qColorComponentIsInIntRange(), and qColorWarnParametersOutOfRange().

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◆ qColorClampNaNToNull()

auto qColorClampNaNToNull	(	float	value,
		const char *	fn )

static

Definition at line 420 of file qcolor.cpp.

References qColorIsFloatNaN(), and qColorWarnInvalidFloat().

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◆ qColorClampToFloatRange()

auto qColorClampToFloatRange	(	float	value,
		const char *	fn )

static

Definition at line 412 of file qcolor.cpp.

References qColorComponentIsInFloatRange(), qColorIsFloatNaN(), and qColorWarnInvalidFloat().

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◆ qColorClampToIntRange()

auto qColorClampToIntRange	(	int	value,
		const char *	fn )

static

Definition at line 404 of file qcolor.cpp.

References qColorWarnInvalidInt().

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◆ qColorComponentIsInFloatRange()

constexpr bool qColorComponentIsInFloatRange ( float value )

staticconstexprnoexcept

Definition at line 372 of file qcolor.cpp.

Referenced by qColorCheckCmykFValidity(), qColorCheckHsxFValidity(), qColorCheckRgbFValidity(), qColorClampToFloatRange(), and qColorHueIsInFloatRange().

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◆ qColorComponentIsInIntRange()

constexpr bool qColorComponentIsInIntRange ( int value )

staticconstexprnoexcept

Definition at line 362 of file qcolor.cpp.

Referenced by qColorCheckCmykValidity(), qColorCheckHsxValidity(), and qColorCheckRgbValidity().

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◆ qColorHueIsInFloatRange()

constexpr bool qColorHueIsInFloatRange ( float hue )

staticconstexprnoexcept

Definition at line 378 of file qcolor.cpp.

References qColorComponentIsInFloatRange().

Referenced by qColorCheckHsxFValidity().

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◆ qColorHueIsInIntRange()

constexpr bool qColorHueIsInIntRange	(	int	hue,
		QColorHueLimit	upperLimit )

staticconstexprnoexcept

Definition at line 367 of file qcolor.cpp.

References Degrees.

Referenced by qColorCheckHsxValidity().

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◆ qColorIsFloatNaN()

constexpr bool qColorIsFloatNaN ( float value )

staticconstexprnoexcept

Definition at line 384 of file qcolor.cpp.

Referenced by qColorCheckRgbFValidity(), qColorClampNaNToNull(), and qColorClampToFloatRange().

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◆ qColorWarnInvalidFloat()

Q_DECL_COLD_FUNCTION void qColorWarnInvalidFloat	(	float	value,
		const char *	fn )

Definition at line 394 of file qcolor.cpp.

Referenced by qColorCheckRgbFValidity(), qColorClampNaNToNull(), and qColorClampToFloatRange().

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◆ qColorWarnInvalidInt()

Q_DECL_COLD_FUNCTION void qColorWarnInvalidInt	(	int	value,
		const char *	fn )

Definition at line 389 of file qcolor.cpp.

Referenced by qColorClampToIntRange().

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◆ qColorWarnParametersOutOfRange()

Q_DECL_COLD_FUNCTION void qColorWarnParametersOutOfRange	(	const char *	name,
		const char *	fn )

Definition at line 399 of file qcolor.cpp.

Referenced by qColorCheckCmykFValidity(), qColorCheckCmykValidity(), qColorCheckHsxFValidity(), qColorCheckHsxValidity(), qColorCheckRgbFValidity(), and qColorCheckRgbValidity().

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◆ qt_get_hex_rgb()

std::optional< QRgb > qt_get_hex_rgb ( const char * name )

Definition at line 93 of file qcolor.cpp.

Variable Documentation

◆ QT_BEGIN_NAMESPACE

QT_BEGIN_NAMESPACE

Definition at line 28 of file qcolor.cpp.

◆ qt_inv_premul_factor

const uint qt_inv_premul_factor

Definition at line 3186 of file qcolor.cpp.

◆ rgbTbl

constexpr struct RGBData rgbTbl

static

◆ rgbTblSize

const int rgbTblSize = sizeof(rgbTbl) / sizeof(RGBData)

static

Definition at line 284 of file qcolor.cpp.

Referenced by get_colornames(), and get_named_rgb_no_space().

(4012ab8234e86ba69d66e15155410c6c91ce4673)

Classes

Namespaces

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ QRGB

◆ QRGBA

◆ rgb

Enumeration Type Documentation

◆ QColorHueLimit [1/2]

◆ QColorHueLimit [2/2]

◆ QColorRgbFValidity [1/2]

◆ QColorRgbFValidity [2/2]

Function Documentation

◆ castF16() [1/2]

◆ castF16() [2/2]

◆ get_colornames()

◆ get_hex_rgb() [1/3]

◆ get_hex_rgb() [2/3]

◆ get_hex_rgb() [3/3]

◆ get_named_rgb()

◆ get_named_rgb_no_space()

◆ hex2int()

◆ operator<() [1/2]

◆ operator<() [2/2]

◆ operator<<() [1/2]

◆ operator<<() [2/2]

◆ operator>>()

◆ qColorCheckCmykFValidity()

◆ qColorCheckCmykValidity()

◆ qColorCheckHslFValidity()

◆ qColorCheckHslValidity()

◆ qColorCheckHsvFValidity()

◆ qColorCheckHsvValidity()

◆ qColorCheckHsxFValidity()

◆ qColorCheckHsxValidity()

◆ qColorCheckRgbFValidity()

◆ qColorCheckRgbValidity()

◆ qColorClampNaNToNull()

◆ qColorClampToFloatRange()

◆ qColorClampToIntRange()

◆ qColorComponentIsInFloatRange()

◆ qColorComponentIsInIntRange()

◆ qColorHueIsInFloatRange()

◆ qColorHueIsInIntRange()

◆ qColorIsFloatNaN()

◆ qColorWarnInvalidFloat()

◆ qColorWarnInvalidInt()

◆ qColorWarnParametersOutOfRange()

◆ qt_get_hex_rgb()

Variable Documentation

◆ QT_BEGIN_NAMESPACE

◆ qt_inv_premul_factor

◆ rgbTbl

◆ rgbTblSize