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.TH "QwtAlphaColorMap" 3 "26 Feb 2007" "Version 5.0.1" "Qwt User's Guide" \" -*- nroff -*-
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Inherits \fBQwtColorMap\fP.
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.SH "Detailed Description"
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\fBQwtAlphaColorMap\fP variies the alpha value of a color.
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Definition at line 160 of file qwt_color_map.h.
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.SS "Public Member Functions"
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.RI "\fBQwtAlphaColorMap\fP (const QColor &=QColor(Qt::gray))"
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.RI "\fBQwtAlphaColorMap\fP (const \fBQwtAlphaColorMap\fP &)"
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.RI "virtual \fB~QwtAlphaColorMap\fP ()"
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.RI "\fBQwtAlphaColorMap\fP & \fBoperator=\fP (const \fBQwtAlphaColorMap\fP &)"
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.RI "virtual \fBQwtColorMap\fP * \fBcopy\fP () const "
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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 \fBQwtDoubleInterval\fP &, double value) const "
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.SH "Constructor & Destructor Documentation"
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.SS "QwtAlphaColorMap::QwtAlphaColorMap (const QColor & color = \fCQColor(Qt::gray)\fP)"
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\fIcolor\fP Color of the map
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Definition at line 402 of file qwt_color_map.cpp.
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.SS "QwtAlphaColorMap::QwtAlphaColorMap (const \fBQwtAlphaColorMap\fP & other)"
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\fIother\fP Other color map
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Definition at line 414 of file qwt_color_map.cpp.
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.SS "QwtAlphaColorMap::~QwtAlphaColorMap ()\fC [virtual]\fP"
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Definition at line 422 of file qwt_color_map.cpp.
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.SH "Member Function Documentation"
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.SS "QColor QwtAlphaColorMap::color () const"
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Definition at line 465 of file qwt_color_map.cpp.
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.SS "\fBQwtColorMap\fP * QwtAlphaColorMap::copy () const\fC [virtual]\fP"
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Implements \fBQwtColorMap\fP.
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Definition at line 441 of file qwt_color_map.cpp.
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References QwtAlphaColorMap().
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.SS "\fBQwtAlphaColorMap\fP & QwtAlphaColorMap::operator= (const \fBQwtAlphaColorMap\fP & other)"
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\fIother\fP Other color map
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Definition at line 432 of file qwt_color_map.cpp.
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.SS "QRgb QwtAlphaColorMap::rgb (const \fBQwtDoubleInterval\fP & interval, double value) const\fC [virtual]\fP"
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Map a value of a given interval into a alpha value.
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alpha := (value - interval.minValue()) / interval.width();
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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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rgb value, with an alpha value
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Implements \fBQwtColorMap\fP.
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Definition at line 479 of file qwt_color_map.cpp.
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References QwtDoubleInterval::isValid(), QwtDoubleInterval::minValue(), and QwtDoubleInterval::width().
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.SS "void QwtAlphaColorMap::setColor (const QColor & color)"
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Definition at line 455 of file qwt_color_map.cpp.
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