PSImageBase.hpp

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#pragma ident "$Id: PSImageBase.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_PSIMAGEBASE_H
#define VDRAW_PSIMAGEBASE_H

#include <string>
#include <iostream>
#include <fstream>

#include "VDrawException.hpp"
#include "VGImage.hpp"
#include "StrokeStyle.hpp"

namespace vdraw
{

   class PSImageBase : public VGImage {

   public:

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

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

      ~PSImageBase(void);

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

      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 polygon (const Polygon& polygon);

      void bitmap(const Bitmap& bitmap);      

      void text (const Text& text);

   protected:

      std::ofstream myfstream;

      std::ostream& ostr;

      std::string filename;

      StrokeStyle lastUsedStrokeStyle;

      TextStyle lastUsedTextStyle;

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

   private:

      void updateStrokeStyle(StrokeStyle& ss);

      void printStrokeStyle(void);

      void printTextStyle(const TextStyle& ts);

      void printStrokeStyle(const StrokeStyle& style);

      void outputPath(const Path& path);

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

      static const bool extraComments=true;

      void defineMarker(const Marker& mark, const char * markername=0);

      void markPath(const Path& path, const char * name="mark");


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

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


      bool strokeStylePrinted;

      bool textStylePrinted;


       bool centerDefined;

       bool rightDefined;


   }; // class PSImageBase


} // namespace vdraw
#endif //VDRAW_PSIMAGEBASE_H

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