ColorMap.hpp

Go to the documentation of this file.

#pragma ident "$Id: ColorMap.hpp 1644 2009-01-27 19:26:14Z ckiesch $"


//============================================================================
//
//  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================

#ifndef VDRAW_COLORMAP_H
#define VDRAW_COLORMAP_H

#include <algorithm>

#include "Color.hpp"
#include "Palette.hpp"
//#include "IndexedColorMap.hpp"
#include "InterpolatedColorMap.hpp"

namespace vdraw
{

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

      ColorMap(const ColorMap &o);

      ColorMap(const InterpolatedColorMap &o);

      //ColorMap(const IndexedColorMap &o);

      ColorMap(const Palette &p, double dir=90, int num=256)
      {
        // TODO Figure out direction, initialize accordingly
        // For now we'll assume NORTH

        if(num<=0) num = 256;

        init(1,num);
        
        for(int row=0;row<rows;row++)
          for(int col=0;col<cols;col++)
            c[row][col] = p.getColor((1.0*row)/rows);
      }

      ColorMap(int icols, int irows, const Color &base=Color::BLACK);

      ~ColorMap() { reset(); }

      ColorMap& operator=(ColorMap o);      

      inline void setColor(int row, int col, const Color& color) { c[row][col]=color; }

      inline Color get(int row, int col) const { return c[row][col]; }

      inline int getCols() const { return cols; }

      inline int getRows() const { return rows; }

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

      void reset();

      int cols;

      int rows;

      Color **c;
  }; // class ColorMap


} // namespace vdraw

#endif // VDRAW_COLORMAP_H

---