QwtAlphaColorMap - QwtAlphaColorMap varies the alpha value of a color.

       Generated automatically by Doxygen for Qwt User's Guide from the source code.

Version 6.1.4                                    Wed Jan 2 2019                              QwtAlphaColorMap(3)

QwtAlphaColorMap::QwtAlphaColorMap(constQColor&color=QColor(Qt::gray))
       Constructor

       Parameters:color Color of the map

QwtAlphaColorMap varies the alpha value of a color.

QColorQwtAlphaColorMap::color()constReturns:
           the color

       Seealso:setColor()QRgbQwtAlphaColorMap::rgb(constQwtInterval&interval,doublevalue)const[virtual]
       Map a value of a given interval into a alpha value. alpha := (value - interval.minValue()) /
       interval.width();

       Parameters:interval Range for all values
           value Value to map into a RGB value

       Returns:
           RGB value, with an alpha value

       Implements QwtColorMap.

   voidQwtAlphaColorMap::setColor(constQColor&color)
       Set the color

       Parameters:color Color

       Seealso:color()

       QwtAlphaColorMap - QwtAlphaColorMap varies the alpha value of a color.

       #include <qwt_color_map.h>

       Inherits QwtColorMap.

   PublicMemberFunctionsQwtAlphaColorMap (const QColor &=QColor(Qt::gray))
       virtual ~QwtAlphaColorMap ()
           Destructor.
       void setColor (const QColor &)
       QColor color () const
       virtual QRgb rgb (const QwtInterval &, double value) const
           Map a value of a given interval into a alpha value.

   AdditionalInheritedMembers