InterpolatedColorMap.hpp

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#pragma ident "$Id: InterpolatedColorMap.hpp 3140 2012-06-18 15:03:02Z susancummins $"


//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================

#ifndef VDRAW_INTERPOLATEDCOLORMAP_H
#define VDRAW_INTERPOLATEDCOLORMAP_H

#include "Color.hpp"
#include "Palette.hpp"

namespace vdraw
{

  class InterpolatedColorMap
  {
    public:
      InterpolatedColorMap()
      {
        cols=rows=0;
        c=0;
      }

      InterpolatedColorMap(int icols, int irows, const Palette &pp, double base=0.0);

      InterpolatedColorMap(const InterpolatedColorMap &o);

      ~InterpolatedColorMap() { reset(); }

      InterpolatedColorMap& operator=(InterpolatedColorMap o);

      inline void setColor(int row, int col, double f) { c[row][col]=f; }

      inline Color get(int row, int col) const { return p.getColor(getIndex(row,col)); }

      inline double getIndex(int row, int col) const  { return c[row][col]; }

      inline int getCols() const { return cols; }

      inline int getRows() const { return rows; }

      inline const Palette getPalette() const { return p; }

    protected:
      void init(int icols, int irows);

      void reset();

      int cols;

      int rows;

      Palette p;

      double **c;
  }; // class InterpolatedColorMap


} // namespace vdraw

#endif // VDRAW_INTERPOLATEDCOLORMAP_H

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