/usr/include/qgis/qgsrastershader.h is in libqgis-dev 1.7.4+1.7.5~20120320-1.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsrastershader.h - description
-------------------
begin : Fri Dec 28 2007
copyright : (C) 2007 by Peter J. Ersts
email : ersts@amnh.org
****************************************************************************/
/* **************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSRASTERSHADER_H
#define QGSRASTERSHADER_H
#include "qgsrastershaderfunction.h"
/** \ingroup core
* Interface for all raster shaders.
*/
class CORE_EXPORT QgsRasterShader
{
public:
QgsRasterShader( double theMinimumValue = 0.0, double theMaximumValue = 255.0 );
~QgsRasterShader();
/*
*
* Non-Static Inline methods
*
*/
/** \brief Return the maximum value for the raster shader */
double maximumValue() { return mMaximumValue; }
/** \brief Return the minimum value for the raster shader */
double minimumValue() { return mMinimumValue; }
QgsRasterShaderFunction* rasterShaderFunction() { return mRasterShaderFunction; }
/*
*
* Non-Static methods
*
*/
/** \brief generates and new RGB value based on one input value */
bool shade( double, int*, int*, int* );
/** \brief generates and new RGB value based on original RGB value */
bool shade( double, double, double, int*, int*, int* );
/** \brief A public method that allows the user to set their own shader function
\note Raster shader takes ownership of the shader function instance */
void setRasterShaderFunction( QgsRasterShaderFunction* );
/** \brief Set the maximum value */
void setMaximumValue( double );
/** \brief Return the minimum value */
void setMinimumValue( double );
private:
/** \brief User defineable minimum value for the raster shader */
double mMinimumValue;
/** \brief user defineable maximum value for the raster shader */
double mMaximumValue;
/** \brief Pointer to the shader function */
QgsRasterShaderFunction* mRasterShaderFunction;
};
#endif
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