SVGImage.hpp

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#pragma ident "$Id: SVGImage.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_SVGIMAGE_H
#define VDRAW_SVGIMAGE_H

#include <string>
#include <iostream>
#include <fstream>
#include "VGImage.hpp"
#include "ViewerManager.hpp"

namespace vdraw
{

   class SVGImage : public VGImage
   {
   public:

      SVGImage(std::ostream& stream, double width=US_LETTER_WIDTH_PTS, 
                double height=US_LETTER_HEIGHT_PTS, 
                ORIGIN_LOCATION iloc=LOWER_LEFT);

      SVGImage(const char* fname, double width=US_LETTER_WIDTH_PTS, 
                double height=US_LETTER_HEIGHT_PTS, 
                ORIGIN_LOCATION iloc=LOWER_LEFT);

      ~SVGImage(void);
 

      void setMarker( const Marker& newMarker ) 
      {
        VGImage::setMarker(newMarker);
        defineMarker(newMarker);
      }

      void comment(const Comment& comment);

      using VGImage::comment;
      
      void line (const Line& line);

      using VGImage::line;

      void rectangle (const Rectangle& rect);

      void circle (const Circle& circle);

      void text (const Text& text);

      void polygon(const Polygon& polygon);

      void bitmap(const Bitmap& bitmap);

      void view (void) throw (VDrawException);

      ViewerManager viewerManager;

   protected:

      std::string filename;

      std::ofstream myfstream;

      std::ostream& ostr;

      //using VGImage::StyleType;
      //using VGImage::getCorrectStrokeStyle;
      //using VGImage::getCorrectMarker;
      //using VGImage::getCorrectTextStyle;
      //using VGImage::getCorrectFillColor;

   private:

      // Most drawing elements are in the same group a simple list.
      // This element is used to align them or indent them consistently.
      std::string tab;

      // This determines if a marker of some sort has been defined yet.
      bool markerDefined;

      // This contains the last defined marker.
      Marker lastMarker;


      void outputHeader(void);

      virtual void outputFooter(void);

      std::string convertStrokeStyle (const StrokeStyle& ss) const;

      std::string fill (Color& fc, StyleType tfc) const;

      std::string strokeDesc (StrokeStyle& ss, StyleType tss, bool noneclear=false) const;

      std::string convertFillColor (const Color& color) const;

      void defineMarker(const Marker& mark, int dfltnum=0);

      void outputPoints(const Path& path, std::ostream& ostr); 

   }; // class SVGImage


} // namespace GPSTK

#endif //VDRAW_SVGIMAGE_H

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