QwtFltrGray(3)

NAME
QwtFltrGray - Maps colors into a grayscale with optional inversion.

SYNOPSIS

#include <qwt_clrfltr.h>

Inherits QwtColorFilter.

  Public Methods
QwtFltrGray (bool inv=FALSE)
QColor operator() (const QColor &c) const

DETAILED DESCRIPTION

Maps colors into a grayscale with optional inversion.

CONSTRUCTOR & DESTRUCTOR DOCUMENTATION

  QwtFltrGray::QwtFltrGray (bool inv = FALSE)

CTOR.

Parameters:

inv Invert the result if TRUE

MEMBER FUNCTION DOCUMENTATION

  QColor QwtFltrGray::operator() (const QColor & c) const [virtual]

Filter function which changes a color to grayscale.

Parameters:

c   color to be modified

Reimplemented from QwtColorFilter.

AUTHOR

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