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QwtAlphaColorMap
Langue: en
Version: 121607 (mandriva - 01/05/08)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Constructor & Destructor Documentation
- Member Function Documentation
- QColor QwtAlphaColorMap::color () const
- QwtColorMap * QwtAlphaColorMap::copy () const [virtual]
- QwtAlphaColorMap & QwtAlphaColorMap::operator= (const QwtAlphaColorMap & other)
- QRgb QwtAlphaColorMap::rgb (const QwtDoubleInterval & interval, double value) const [virtual]
- void QwtAlphaColorMap::setColor (const QColor & color)
- Author
NAME
QwtAlphaColorMap -SYNOPSIS
Inherits QwtColorMap.
Detailed Description
QwtAlphaColorMap variies the alpha value of a color.
Definition at line 160 of file qwt_color_map.h.
Public Member Functions
QwtAlphaColorMap (const QColor &=QColor(Qt::gray))
QwtAlphaColorMap (const QwtAlphaColorMap &)
virtual ~QwtAlphaColorMap ()
QwtAlphaColorMap & operator= (const QwtAlphaColorMap &)
virtual QwtColorMap * copy () const
void setColor (const QColor &)
QColor color () const
virtual QRgb rgb (const QwtDoubleInterval &, double value) const
Constructor & Destructor Documentation
QwtAlphaColorMap::QwtAlphaColorMap (const QColor & color = QColor(Qt::gray))
Constructor
Parameters:
- color Color of the map
Definition at line 402 of file qwt_color_map.cpp.
Referenced by copy().
QwtAlphaColorMap::QwtAlphaColorMap (const QwtAlphaColorMap & other)
Copy constructor
Parameters:
- other Other color map
Definition at line 414 of file qwt_color_map.cpp.
QwtAlphaColorMap::~QwtAlphaColorMap () [virtual]
Destructor.
Definition at line 422 of file qwt_color_map.cpp.
Member Function Documentation
QColor QwtAlphaColorMap::color () const
Returns:
- the color
See also:
- setColor()
Definition at line 465 of file qwt_color_map.cpp.
QwtColorMap * QwtAlphaColorMap::copy () const [virtual]
Clone the color map.
Implements QwtColorMap.
Definition at line 441 of file qwt_color_map.cpp.
References QwtAlphaColorMap().
QwtAlphaColorMap & QwtAlphaColorMap::operator= (const QwtAlphaColorMap & other)
Assignment operator
Parameters:
- other Other color map
Returns:
- *this
Definition at line 432 of file qwt_color_map.cpp.
References d_data.
QRgb QwtAlphaColorMap::rgb (const QwtDoubleInterval & 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
Returns:
- rgb value, with an alpha value
Implements QwtColorMap.
Definition at line 479 of file qwt_color_map.cpp.
References QwtDoubleInterval::isValid(), QwtDoubleInterval::minValue(), and QwtDoubleInterval::width().
void QwtAlphaColorMap::setColor (const QColor & color)
Set the color
Parameters:
- color Color
See also:
- color()
Definition at line 455 of file qwt_color_map.cpp.
Author
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