qcolor.cpp File Reference

#include "qcolor.h"
#include "qcolor_p.h"
#include "qnamespace.h"
#include "qcolormap.h"
#include "qdatastream.h"
#include "qvariant.h"
#include "qdebug.h"
#include "qapplication.h"
#include "qx11info_x11.h"
#include "private/qt_x11_p.h"
#include <math.h>
#include <stdio.h>
#include <limits.h>

Go to the source code of this file.

Macros
#define	Q_MAX_3(a, b, c)   ( ( a > b && a > c) ? a : (b > c ? b : c) )
#define	Q_MIN_3(a, b, c)   ( ( a < b && a < c) ? a : (b < c ? b : c) )
#define	QCOLOR_INT_RANGE_CHECK(fn, var)
#define	QCOLOR_REAL_RANGE_CHECK(fn, var)
#define	QRGB(r, g, b)   QRgb(((0xffu << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff)))
#define	QRGBA(r, g, b, a)   QRgb(((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff))

Functions
QDebug	operator<< (QDebug dbg, const QColor &c)
QDataStream &	operator<< (QDataStream &stream, const QColor &color)
QDataStream &	operator>> (QDataStream &stream, QColor &color)

Variables
static bool	allowX11ColorNames = false

Macro Definition Documentation

Q_MAX_3

#define Q_MAX_3	(		a,
			b,
			c
	)		( ( a > b && a > c) ? a : (b > c ? b : c) )

Definition at line 1773 of file qcolor.cpp.

Referenced by QColor::toHsl(), and QColor::toHsv().

Q_MIN_3

#define Q_MIN_3	(		a,
			b,
			c
	)		( ( a < b && a < c) ? a : (b < c ? b : c) )

Definition at line 1774 of file qcolor.cpp.

Referenced by QColor::toHsl(), and QColor::toHsv().

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 281 of file qcolor.cpp.

Referenced by QColor::setAlpha(), QColor::setBlue(), QColor::setGreen(), and QColor::setRed().

QCOLOR_REAL_RANGE_CHECK

#define QCOLOR_REAL_RANGE_CHECK	(		fn,
			var
	)

Value:

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

Definition at line 289 of file qcolor.cpp.

Referenced by QColor::setAlphaF(), QColor::setBlueF(), QColor::setGreenF(), and QColor::setRedF().

QRGB

#define QRGB	(		r,
			g,
			b
	)		QRgb(((0xffu << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff)))

Referenced by QColor::QColor().

QRGBA

#define QRGBA	(		r,
			g,
			b,
			a
	)		QRgb(((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff))

Referenced by QColor::QColor().

Function Documentation

operator<<() [1/2]

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

Definition at line 2602 of file qcolor.cpp.

{
#ifndef Q_BROKEN_DEBUG_STREAM
    if (!c.isValid())
        dbg.nospace() << "QColor(Invalid)";
    else if (c.spec() == QColor::Rgb)
        dbg.nospace() << "QColor(ARGB " << c.alphaF() << ", " << c.redF() << ", " << c.greenF() << ", " << c.blueF() << ')';
    else if (c.spec() == QColor::Hsv)
        dbg.nospace() << "QColor(AHSV " << c.alphaF() << ", " << c.hueF() << ", " << c.saturationF() << ", " << c.valueF() << ')';
    else if (c.spec() == QColor::Cmyk)
        dbg.nospace() << "QColor(ACMYK " << c.alphaF() << ", " << c.cyanF() << ", " << c.magentaF() << ", " << c.yellowF() << ", "
                      << c.blackF()<< ')';
    else if (c.spec() == QColor::Hsl)
        dbg.nospace() << "QColor(AHSL " << c.alphaF() << ", " << c.hslHueF() << ", " << c.hslSaturationF() << ", " << c.lightnessF() << ')';

    return dbg.space();
#else
    qWarning("This compiler doesn't support streaming QColor to QDebug");
    return dbg;
    Q_UNUSED(c);
#endif
}

operator<<() [2/2]

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

Definition at line 2638 of file qcolor.cpp.

{
    if (stream.version() < 7) {
        if (!color.isValid())
            return stream << quint32(0x49000000);
        quint32 p = (quint32)color.rgb();
        if (stream.version() == 1) // Swap red and blue
            p = ((p << 16) & 0xff0000) | ((p >> 16) & 0xff) | (p & 0xff00ff00);
        return stream << p;
    }

    qint8   s = color.cspec;
    quint16 a = color.ct.argb.alpha;
    quint16 r = color.ct.argb.red;
    quint16 g = color.ct.argb.green;
    quint16 b = color.ct.argb.blue;
    quint16 p = color.ct.argb.pad;

    stream << s;
    stream << a;
    stream << r;
    stream << g;
    stream << b;
    stream << p;

    return stream;
}

operator>>()

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

Definition at line 2677 of file qcolor.cpp.

{
    if (stream.version() < 7) {
        quint32 p;
        stream >> p;
        if (p == 0x49000000) {
            color.invalidate();
            return stream;
        }
        if (stream.version() == 1) // Swap red and blue
            p = ((p << 16) & 0xff0000) | ((p >> 16) & 0xff) | (p & 0xff00ff00);
        color.setRgb(p);
        return stream;
    }

    qint8 s;
    quint16 a, r, g, b, p;
    stream >> s;
    stream >> a;
    stream >> r;
    stream >> g;
    stream >> b;
    stream >> p;

    color.cspec = QColor::Spec(s);
    color.ct.argb.alpha = a;
    color.ct.argb.red   = r;
    color.ct.argb.green = g;
    color.ct.argb.blue  = b;
    color.ct.argb.pad   = p;

    return stream;
}

Variable Documentation

allowX11ColorNames

bool allowX11ColorNames = false

static

Definition at line 55 of file qcolor.cpp.

Referenced by QColor::allowX11ColorNames(), qt_set_x11_resources(), and QColor::spec().