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.TH "QwtSaturationValueColorMap" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.SH NAME
QwtSaturationValueColorMap \- \fBQwtSaturationValueColorMap\fP varies the saturation and/or value for a given hue in the HSV color model\&.
.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_color_map\&.h>\fP
.PP
Inherits \fBQwtColorMap\fP\&.
.SS "Public Member Functions"
.in +1c
.ti -1c
.RI "\fBQwtSaturationValueColorMap\fP ()"
.br
.RI "Constructor\&. "
.ti -1c
.RI "virtual \fB~QwtSaturationValueColorMap\fP ()"
.br
.RI "Destructor\&. "
.ti -1c
.RI "void \fBsetHue\fP (int \fBhue\fP)"
.br
.RI "Set the the hue coordinate\&. "
.ti -1c
.RI "void \fBsetSaturationInterval\fP (int sat1, int sat2)"
.br
.RI "Set the interval for the saturation coordinate\&. "
.ti -1c
.RI "void \fBsetValueInterval\fP (int \fBvalue1\fP, int \fBvalue2\fP)"
.br
.RI "Set the interval for the value coordinate\&. "
.ti -1c
.RI "void \fBsetAlpha\fP (int \fBalpha\fP)"
.br
.RI "Set the the alpha coordinate\&. "
.ti -1c
.RI "int \fBhue\fP () \fBconst\fP"
.br
.ti -1c
.RI "int \fBsaturation1\fP () \fBconst\fP"
.br
.ti -1c
.RI "int \fBsaturation2\fP () \fBconst\fP"
.br
.ti -1c
.RI "int \fBvalue1\fP () \fBconst\fP"
.br
.ti -1c
.RI "int \fBvalue2\fP () \fBconst\fP"
.br
.ti -1c
.RI "int \fBalpha\fP () \fBconst\fP"
.br
.ti -1c
.RI "virtual QRgb \fBrgb\fP (\fBconst\fP \fBQwtInterval\fP &, double value) \fBconst\fP override"
.br
.in -1c
.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP
\fBQwtSaturationValueColorMap\fP varies the saturation and/or value for a given hue in the HSV color model\&.
Value and saturation are in the range of 0 to 255 while hue is in the range of 0 to 259\&.
.PP
\fBSee also\fP
.RS 4
\fBQwtHueColorMap\fP
.RE
.PP
.PP
Definition at line 214 of file qwt_color_map\&.h\&.
.SH "Constructor & Destructor Documentation"
.PP
.SS "QwtSaturationValueColorMap::QwtSaturationValueColorMap ()"
.PP
Constructor\&. The value interval is initialized by 0 to 255, saturation by 255 to 255\&. Hue to 0 and alpha to 255\&.
.PP
So the default setting interpolates the value coordinate only\&.
.PP
\fBSee also\fP
.RS 4
setHueInterval(), setSaturation(), setValue(), setValue()
.RE
.PP
.PP
Definition at line 972 of file qwt_color_map\&.cpp\&.
.SH "Member Function Documentation"
.PP
.SS "int QwtSaturationValueColorMap::alpha () const"
.PP
\fBReturns\fP
.RS 4
Alpha coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetAlpha()\fP
.RE
.PP
.PP
Definition at line 1127 of file qwt_color_map\&.cpp\&.
.SS "int QwtSaturationValueColorMap::hue () const"
.PP
\fBReturns\fP
.RS 4
Hue coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetHue()\fP
.RE
.PP
.PP
Definition at line 1082 of file qwt_color_map\&.cpp\&.
.SS "QRgb QwtSaturationValueColorMap::rgb (\fBconst\fP \fBQwtInterval\fP & interval, double value) const\fC [override]\fP, \fC [virtual]\fP"
Map a value of a given interval into a RGB value
.PP
\fBParameters\fP
.RS 4
\fIinterval\fP Range for all values
.br
\fIvalue\fP Value to map into a RGB value
.RE
.PP
\fBReturns\fP
.RS 4
RGB value for value
.RE
.PP
.PP
Implements \fBQwtColorMap\fP\&.
.PP
Definition at line 1140 of file qwt_color_map\&.cpp\&.
.SS "int QwtSaturationValueColorMap::saturation1 () const"
.PP
\fBReturns\fP
.RS 4
First saturation coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetSaturationInterval()\fP
.RE
.PP
.PP
Definition at line 1091 of file qwt_color_map\&.cpp\&.
.SS "int QwtSaturationValueColorMap::saturation2 () const"
.PP
\fBReturns\fP
.RS 4
Second saturation coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetSaturationInterval()\fP
.RE
.PP
.PP
Definition at line 1100 of file qwt_color_map\&.cpp\&.
.SS "void QwtSaturationValueColorMap::setAlpha (int alpha)"
.PP
Set the the alpha coordinate\&. alpha needs to be in the range 0 to 255, where 255 means opaque and 0 means transparent\&.
.PP
\fBParameters\fP
.RS 4
\fIalpha\fP Alpha coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBalpha()\fP
.RE
.PP
.PP
Definition at line 1067 of file qwt_color_map\&.cpp\&.
.SS "void QwtSaturationValueColorMap::setHue (int hue)"
.PP
Set the the hue coordinate\&. Hue coordinates outside 0 to 359 will be interpreted as hue % 360\&.\&.
.PP
\fBParameters\fP
.RS 4
\fIhue\fP Hue coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBhue()\fP
.RE
.PP
.PP
Definition at line 992 of file qwt_color_map\&.cpp\&.
.SS "void QwtSaturationValueColorMap::setSaturationInterval (int saturation1, int saturation2)"
.PP
Set the interval for the saturation coordinate\&. When saturation1 == saturation2 the map interpolates between the value coordinates only
.PP
saturation1/saturation2 need to be in the range 0 to 255\&.
.PP
\fBParameters\fP
.RS 4
\fIsaturation1\fP First saturation
.br
\fIsaturation2\fP Second saturation
.RE
.PP
\fBSee also\fP
.RS 4
\fBsaturation1()\fP, \fBsaturation2()\fP, \fBsetValueInterval()\fP
.RE
.PP
.PP
Definition at line 1016 of file qwt_color_map\&.cpp\&.
.SS "void QwtSaturationValueColorMap::setValueInterval (int value1, int value2)"
.PP
Set the interval for the value coordinate\&. When value1 == value2 the map interpolates between the saturation coordinates only\&.
.PP
value1/value2 need to be in the range 0 to 255\&.
.PP
\fBParameters\fP
.RS 4
\fIvalue1\fP First value
.br
\fIvalue2\fP Second value
.RE
.PP
\fBSee also\fP
.RS 4
\fBvalue1()\fP, \fBvalue2()\fP, \fBsetSaturationInterval()\fP
.RE
.PP
.PP
Definition at line 1043 of file qwt_color_map\&.cpp\&.
.SS "int QwtSaturationValueColorMap::value1 () const"
.PP
\fBReturns\fP
.RS 4
First value coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetValueInterval()\fP
.RE
.PP
.PP
Definition at line 1109 of file qwt_color_map\&.cpp\&.
.SS "int QwtSaturationValueColorMap::value2 () const"
.PP
\fBReturns\fP
.RS 4
Second value coordinate
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetValueInterval()\fP
.RE
.PP
.PP
Definition at line 1118 of file qwt_color_map\&.cpp\&.
.SH "Author"
.PP
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.