.TH "QwtAlphaColorMap" 3 "Fri Apr 15 2011" "Version 6.0.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtAlphaColorMap \- 
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\fBQwtAlphaColorMap\fP variies the alpha value of a color.  

.SH SYNOPSIS
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\fC#include <qwt_color_map.h>\fP
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Inherits \fBQwtColorMap\fP.
.SS "Public Member Functions"

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.RI "\fBQwtAlphaColorMap\fP (const QColor &=QColor(Qt::gray))"
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.RI "virtual \fB~QwtAlphaColorMap\fP ()"
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.RI "void \fBsetColor\fP (const QColor &)"
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.RI "QColor \fBcolor\fP () const "
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.RI "virtual QRgb \fBrgb\fP (const \fBQwtInterval\fP &, double value) const "
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.SH "Detailed Description"
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\fBQwtAlphaColorMap\fP variies the alpha value of a color. 
.SH "Constructor & Destructor Documentation"
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.SS "QwtAlphaColorMap::QwtAlphaColorMap (const QColor &color = \fCQColor( Qt::gray )\fP)"Constructor 
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\fBParameters:\fP
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\fIcolor\fP Color of the map 
.RE
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.SS "QwtAlphaColorMap::~QwtAlphaColorMap ()\fC [virtual]\fP"
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Destructor. 
.SH "Member Function Documentation"
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.SS "QColor QwtAlphaColorMap::color () const"\fBReturns:\fP
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the color 
.RE
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\fBSee also:\fP
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\fBsetColor()\fP 
.RE
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.SS "QRgb QwtAlphaColorMap::rgb (const \fBQwtInterval\fP &interval, doublevalue) const\fC [virtual]\fP"
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Map a value of a given interval into a alpha value. alpha := (value - interval.minValue()) / interval.width();
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\fBParameters:\fP
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\fIinterval\fP Range for all values 
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\fIvalue\fP Value to map into a rgb value 
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\fBReturns:\fP
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rgb value, with an alpha value 
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Implements \fBQwtColorMap\fP.
.SS "void QwtAlphaColorMap::setColor (const QColor &color)"Set the color
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\fBParameters:\fP
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\fIcolor\fP Color 
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\fBSee also:\fP
.RS 4
\fBcolor()\fP 
.RE
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.SH "Author"
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