qrgb.h File Reference

#include <QtCore/qglobal.h>

Functions
Q_GUI_EXPORT_INLINE int	qRed (QRgb rgb)
Q_GUI_EXPORT_INLINE int	qGreen (QRgb rgb)
Q_GUI_EXPORT_INLINE int	qBlue (QRgb rgb)
Q_GUI_EXPORT_INLINE int	qAlpha (QRgb rgb)
Q_GUI_EXPORT_INLINE QRgb	qRgb (int r, int g, int b)
Q_GUI_EXPORT_INLINE QRgb	qRgba (int r, int g, int b, int a)
Q_GUI_EXPORT_INLINE int	qGray (int r, int g, int b)
Q_GUI_EXPORT_INLINE int	qGray (QRgb rgb)
Q_GUI_EXPORT_INLINE bool	qIsGray (QRgb rgb)

Variables
QT_BEGIN_HEADER QT_BEGIN_NAMESPACE typedef unsigned int	QRgb
const QRgb	RGB_MASK = 0x00ffffff

Function Documentation

Q_GUI_EXPORT_INLINE int qRed

(

QRgb

rgb

)

Definition at line 57 of file qrgb.h.

{ return ((rgb >> 16) & 0xff); }

Q_GUI_EXPORT_INLINE int qGreen

(

QRgb

rgb

)

Definition at line 60 of file qrgb.h.

{ return ((rgb >> 8) & 0xff); }

Q_GUI_EXPORT_INLINE int qBlue

(

QRgb

rgb

)

Definition at line 63 of file qrgb.h.

{ return (rgb & 0xff); }

Q_GUI_EXPORT_INLINE int qAlpha

(

QRgb

rgb

)

Definition at line 66 of file qrgb.h.

{ return rgb >> 24; }

Q_GUI_EXPORT_INLINE QRgb qRgb	(	int	r,
		int	g,
		int	b
	)

Definition at line 69 of file qrgb.h.

{ return (0xffu << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }

Q_GUI_EXPORT_INLINE QRgb qRgba	(	int	r,
		int	g,
		int	b,
		int	a
	)

Definition at line 72 of file qrgb.h.

{ return ((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }

Q_GUI_EXPORT_INLINE int qGray	(	int	r,
		int	g,
		int	b
	)

Definition at line 75 of file qrgb.h.

{ return (r*11+g*16+b*5)/32; }

Q_GUI_EXPORT_INLINE int qGray

(

QRgb

rgb

)

Definition at line 78 of file qrgb.h.

{ return qGray(qRed(rgb), qGreen(rgb), qBlue(rgb)); }

Q_GUI_EXPORT_INLINE bool qIsGray

(

QRgb

rgb

)

Definition at line 81 of file qrgb.h.

{ return qRed(rgb) == qGreen(rgb) && qRed(rgb) == qBlue(rgb); }

Variable Documentation

QT_BEGIN_HEADER QT_BEGIN_NAMESPACE typedef unsigned int QRgb

Definition at line 53 of file qrgb.h.

const QRgb RGB_MASK = 0x00ffffff

Definition at line 55 of file qrgb.h.

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