Frame.hpp

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#pragma ident "$Id: Frame.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_FRAME_H
#define VDRAW_FRAME_H

#include "GraphicsConstants.hpp"
#include "VGImage.hpp"
#include "Canvas.hpp"

namespace vdraw
{

  class Frame : public Canvas
  {
    public:

      Frame(void)
        :Canvas(),display(0) 
      {valid=false;};

      Frame(VGImage& target);
      //Frame(const Frame& rhs);
      
      ~Frame() {}

      inline void setWidth(double newWidth) {width=newWidth;}

      inline void setHeight(double newHeight) {height=newHeight;}

      inline double getWidth(void) const {return width;}

      inline double getHeight(void) const {return height;}

      /*
       * From canvas
       */
      void comment(const Comment& comment);

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

      using Canvas::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 nest(const Frame& parent, double xoffset, double yoffset);

      inline double cx(void) const { return width/2;}
      inline double cy(void) const { return height/2;}
      inline double lx(void) const { return 0;}
      inline double ux(void) const { return width;}
      inline double uy(void) const { return height;}
      inline double ly(void) const { return 0;}

      inline bool isLL() { return display->isLL(); }

      inline double actualX(void) const { return originX;}
      inline double actualY(void) const { return originY;}

    protected:
      bool isTopLevel;
      double originX;
      double originY;
      double width; 
      double height;
      bool valid;
      VGImage *display;

      void fixMarker(Markable* m);
      void fixStrokeStyle(BasicShape* s);
      void fixFillColor(Fillable* f);
      void fixTextStyle(Text* t);

  };


} // namespace vdraw

#endif

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