qcolor.cpp File Reference

(a0a598e405e2252e488616932e45a3e9d91d1f89)

#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 <optional>
#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	QCOLOR_INT_RANGE_CHECK(fn, var)
#define	QCOLOR_REAL_RANGE_CHECK(fn, var)
#define	QRGB(r, g, b)
#define	QRGBA(r, g, b, a)

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 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

QCOLOR_INT_RANGE_CHECK

#define QCOLOR_INT_RANGE_CHECK	(		fn,
			var )

Value:

do { \
    if (var < 0 || var > 255) { \
        qWarning(#fn": invalid value %d", var); \
        var = qMax(0, qMin(var, 255)); \
    } \
} while (0)

Definition at line 579 of file qcolor.cpp.

QCOLOR_REAL_RANGE_CHECK

#define QCOLOR_REAL_RANGE_CHECK	(		fn,
			var )

Value:

do { \
    if (var < 0.0f || var > 1.0f) { \
        qWarning(#fn": invalid value %g", var); \
        var = qMax(0.0f, qMin(var, 1.0f));      \
    } \
} while (0)

Definition at line 587 of file qcolor.cpp.

QRGB

#define QRGB	(		r,
			g,
			b )

Value:

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

QRGBA

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

Value:

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

rgb

#define rgb	(		r,
			g,
			b )

Value:

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

Definition at line 124 of file qcolor.cpp.

Function Documentation

castF16() [1/2]

const qfloat16 & castF16 ( const quint16 & v )

inlinestatic

Definition at line 1235 of file qcolor.cpp.

castF16() [2/2]

qfloat16 & castF16 ( quint16 & v )

inlinestatic

Definition at line 1229 of file qcolor.cpp.

get_colornames()

QStringList get_colornames ( )

static

Definition at line 333 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 48 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 97 of file qcolor.cpp.

get_hex_rgb() [3/3]

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

static

Definition at line 108 of file qcolor.cpp.

get_named_rgb()

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

static

Definition at line 314 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 300 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 33 of file qcolor.cpp.

operator<() [1/2]

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

inline

Definition at line 295 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 297 of file qcolor.cpp.

References RGBData::name.

operator<<() [1/2]

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

Definition at line 2970 of file qcolor.cpp.

operator<<() [2/2]

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

Definition at line 2940 of file qcolor.cpp.

operator>>()

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

Definition at line 3006 of file qcolor.cpp.

qt_get_hex_rgb()

std::optional< QRgb > qt_get_hex_rgb

(

const char *

name

)

Definition at line 90 of file qcolor.cpp.

Variable Documentation

QT_BEGIN_NAMESPACE

QT_BEGIN_NAMESPACE

related

Definition at line 25 of file qcolor.cpp.

qt_inv_premul_factor

const uint qt_inv_premul_factor

Definition at line 3042 of file qcolor.cpp.

rgbTbl

constexpr struct RGBData rgbTbl

static

rgbTblSize

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

static

Definition at line 281 of file qcolor.cpp.

Referenced by get_colornames(), and get_named_rgb_no_space().