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src
core
raster
qgsrastershader.cpp
Go to the documentation of this file.
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/* **************************************************************************
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qgsrastershader.cpp - description
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-------------------
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begin : Fri Dec 28 2007
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copyright : (C) 2007 by Peter J. Ersts
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email : ersts@amnh.org
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****************************************************************************/
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/* **************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "
qgslogger.h
"
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#include "
qgsrastershader.h
"
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QgsRasterShader::QgsRasterShader
(
double
theMinimumValue,
double
theMaximumValue )
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{
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QgsDebugMsg
(
"called."
);
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mMinimumValue
= theMinimumValue;
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mMaximumValue
= theMaximumValue;
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mRasterShaderFunction
=
new
QgsRasterShaderFunction
(
mMinimumValue
,
mMaximumValue
);
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}
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QgsRasterShader::~QgsRasterShader
()
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{
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delete
mRasterShaderFunction
;
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}
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bool
QgsRasterShader::shade
(
double
theValue,
int
* theReturnRedValue,
int
* theReturnGreenValue,
int
* theReturnBlueValue )
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{
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if
( 0 !=
mRasterShaderFunction
)
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{
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return
mRasterShaderFunction
->
shade
( theValue, theReturnRedValue, theReturnGreenValue, theReturnBlueValue );
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}
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return
false
;
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}
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bool
QgsRasterShader::shade
(
double
theRedValue,
double
theGreenValue,
double
theBlueValue,
int
* theReturnRedValue,
int
* theReturnGreenValue,
int
* theReturnBlueValue )
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{
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if
( 0 !=
mRasterShaderFunction
)
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{
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return
mRasterShaderFunction
->
shade
( theRedValue, theGreenValue, theBlueValue, theReturnRedValue, theReturnGreenValue, theReturnBlueValue );
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}
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return
false
;
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}
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void
QgsRasterShader::setRasterShaderFunction
(
QgsRasterShaderFunction
* theFunction )
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{
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QgsDebugMsg
(
"called."
);
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if
(
mRasterShaderFunction
== theFunction )
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return
;
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if
( 0 != theFunction )
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{
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delete
mRasterShaderFunction
;
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mRasterShaderFunction
= theFunction;
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}
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}
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void
QgsRasterShader::setMaximumValue
(
double
theValue )
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{
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QgsDebugMsg
(
"Value = "
+ QString::number( theValue ) );
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mMaximumValue
= theValue;
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if
( 0 !=
mRasterShaderFunction
)
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{
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mRasterShaderFunction
->
setMaximumValue
( theValue );
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}
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}
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void
QgsRasterShader::setMinimumValue
(
double
theValue )
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{
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QgsDebugMsg
(
"Value = "
+ QString::number( theValue ) );
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mMinimumValue
= theValue;
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if
( 0 !=
mRasterShaderFunction
)
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{
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mRasterShaderFunction
->
setMinimumValue
( theValue );
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}
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}
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