qgspseudocolorshader.h

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/* **************************************************************************
                qgspseudocolorshader.h -  description
                       -------------------
begin                : Fri Dec 28 2007
copyright            : (C) 2007 by Peter J. Ersts
email                : [email protected]

This class contains code that was originally part of the larger QgsRasterLayer
class originally created circa 2004 by T.Sutton, Gary E.Sherman, Steve Halasz
****************************************************************************/

/* **************************************************************************
 *                                                                         *
 *   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 QGSPSEUDOCOLORSHADER_H
#define QGSPSEUDOCOLORSHADER_H

#include "qgsrastershaderfunction.h"

class CORE_EXPORT QgsPseudoColorShader : public QgsRasterShaderFunction
{

  public:
    QgsPseudoColorShader( double theMinimumValue = 0.0, double theMaximumValue = 255.0 );

    bool shade( double, int*, int*, int* );

    bool shade( double, double, double, int*, int*, int* );

    void setMaximumValue( double );

    void setMinimumValue( double );

    double classBreakMin1() const { return mClassBreakMin1; }
    double classBreakMax1() const { return mClassBreakMax1; }
    double classBreakMin2() const { return mClassBreakMin2; }
    double classBreakMax2() const { return mClassBreakMax2; }
    double classBreakMin3() const { return mClassBreakMin3; }

  private:
    void setClassBreaks();

    double mBreakSize;
    double mClassBreakMin1;
    double mClassBreakMax1;
    double mClassBreakMin2;
    double mClassBreakMax2;
    double mClassBreakMin3;
};
#endif