| Qwt User's Guide
    6.0.2
    | 
#include <qwt_color_map.h>

| Public Member Functions | |
| QwtAlphaColorMap (const QColor &=QColor(Qt::gray)) | |
| virtual | ~QwtAlphaColorMap () | 
| QColor | color () const | 
| virtual QRgb | rgb (const QwtInterval &, double value) const | 
| void | setColor (const QColor &) | 
|  Public Member Functions inherited from QwtColorMap | |
| QwtColorMap (Format=QwtColorMap::RGB) | |
| virtual | ~QwtColorMap () | 
| QColor | color (const QwtInterval &, double value) const | 
| virtual QVector< QRgb > | colorTable (const QwtInterval &) const | 
| Format | format () const | 
| Additional Inherited Members | |
|  Public Types inherited from QwtColorMap | |
| enum | Format { RGB, Indexed } | 
QwtAlphaColorMap variies the alpha value of a color.
| QwtAlphaColorMap::QwtAlphaColorMap | ( | const QColor & | color = QColor( Qt::gray ) | ) | 
Constructor
| color | Color of the map | 
| QColor QwtAlphaColorMap::color | ( | ) | const | 
| 
 | virtual | 
Map a value of a given interval into a alpha value.
alpha := (value - interval.minValue()) / interval.width();
| interval | Range for all values | 
| value | Value to map into a rgb value | 
Implements QwtColorMap.
| void QwtAlphaColorMap::setColor | ( | const QColor & | color | ) | 
 1.8.1
 1.8.1