conflicting packages
QwtAlphaColorMap(3) | Qwt User's Guide | QwtAlphaColorMap(3) |
NAME¶
QwtAlphaColorMap - QwtAlphaColorMap varies the alpha value of a color.SYNOPSIS¶
#include <qwt_color_map.h>
Inherits QwtColorMap.
Public Member Functions¶
QwtAlphaColorMap (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.
Additional Inherited Members¶
Detailed Description¶
QwtAlphaColorMap varies the alpha value of a color.Constructor & Destructor Documentation¶
QwtAlphaColorMap::QwtAlphaColorMap (const QColor & color = QColor( Qt::gray ))¶
ConstructorParameters:
color Color of the map
Member Function Documentation¶
QColor QwtAlphaColorMap::color () const¶
Returns:the color
See also:
setColor()
QRgb QwtAlphaColorMap::rgb (const QwtInterval & interval, double value) 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
value Value to map into a RGB value
Returns:
RGB value, with an alpha value
Implements QwtColorMap.
void QwtAlphaColorMap::setColor (const QColor & color)¶
Set the colorParameters:
color Color
See also:
color()
Author¶
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