/* -*- C++ -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library

 *

 * Copyright (C) 2003-2008

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <lemon/eps.h>

namespace lemon {

  void EpsDrawer::defMacros()

  {

    out << "/clmode true def\n" <<

      "/cshowmode false def\n" <<

      "/defont (Helvetica) findfont def\n" <<

      "/fosi 12 def\n" <<

      "\n" <<

      "/st { clmode { currentpoint stroke newpath moveto } if } bind def\n" <<

      "/str { currentpoint stroke newpath moveto /clmode true def } bind def\n"

	<<

      "/fl { currentpoint fill newpath moveto /clmode true def } bind def\n" <<

      "/eofl { currentpoint eofill newpath moveto /clmode true def } bind def\n"

	<<

      "/cl { currentpoint clip newpath moveto /clmode true def } bind def\n"

	<<

      "/eocl { currentpoint eoclip newpath moveto /clmode true def } bind def\n"

	<<

      "\n" <<

      "/l { moveto lineto st } bind def\n" <<

      "/lt { lineto st } bind def\n" <<

      "/mt { moveto } bind def\n" <<

      "/c { dup 3 index add 2 index moveto 0 360 arc st } bind def\n" <<

      "/collect { /clmode false def currentpoint newpath moveto } bind def\n" <<

      "\n" <<

      "/fontset { defont fosi scalefont setfont } bind def\n" <<

      "/stfs { /fosi exch def fontset } bind def\n" <<

      "/cshow { dup stringwidth pop\n" <<

      "   neg 2 div 0 rmoveto show } bind def\n" <<

      "/xshow { cshowmode { cshow } { show } ifelse } def\n" <<

      "\n" <<

      "fontset\n" <<

      "newpath\n" <<

      "0 0 moveto\n" <<

      "1 setlinecap\n";

  }

  void EpsDrawer::init(int x1,int y1,int x2,int y2)

  {

    out << "%!PS-Adobe-2.0 EPSF-2.0\n" <<

      "%%BoundingBox: " << x1 << ' ' << y1 << ' ' << x2 << ' ' << y2 <<

      "\n%%EndComments\n";

    defMacros();

  }

  void EpsDrawer::init(double x1,double y1,double x2,double y2)

  {

    out << "%!PS-Adobe-2.0\n" <<

      "%%HiResBoundingBox: " << 

      x1 << ' ' << y1 << ' ' << x2 << ' ' << y2 <<

      "\n%%EndComments\n";

    defMacros();

  }

  EpsDrawer::EpsDrawer(std::ostream &os,int x,int y) : local_stream(false),

						       out(os)

  {

    init(0,0,x,y);

  }

  EpsDrawer::EpsDrawer(std::ostream &os,int x1,int y1,int x2,int y2) : 

    local_stream(false),

    out(os)

  {

    init(x1,y1,x2,y2);

  }

  EpsDrawer::EpsDrawer(std::ostream &os,dim2::Point<double> s) : local_stream(false),

							out(os)

  {

    init(0.0,0.0,s.x,s.y);

  }

  EpsDrawer::EpsDrawer(std::ostream &os,dim2::Point<double> a, dim2::Point<double> b) :

    local_stream(false),

    out(os)

  {

    init(a.x,a.y,b.x,b.y);

  }

  EpsDrawer::EpsDrawer(const std::string &name,int x,int y) :

    local_stream(true),

    out(*new std::ofstream(name.c_str()))

  {

    init(0,0,x,y);

  }

  EpsDrawer::EpsDrawer(const std::string &name,int x1,int y1,int x2,int y2) : 

    local_stream(true),

    out(*new std::ofstream(name.c_str()))

  {

    init(x1,y1,x2,y2);

  }

  EpsDrawer::EpsDrawer(const std::string &name,dim2::Point<double> s) :

    local_stream(true),

    out(*new std::ofstream(name.c_str()))

  {

    init(0.0,0.0,s.x,s.y);

  }

  EpsDrawer::EpsDrawer(const std::string &name,dim2::Point<double> a, dim2::Point<double> b) :

    local_stream(true),

    out(*new std::ofstream(name.c_str()))

  {

    init(a.x,a.y,b.x,b.y);

  }

  EpsDrawer::~EpsDrawer()

  {

    out << "showpage\n";

    if(local_stream) delete &out;

  }

  EpsDrawer &EpsDrawer::save()

  {

    out << "gsave\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::restore()

  {

    out << "grestore\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::line(double x1,double y1,double x2,double y2)

  {

    out << x1 << ' ' << y1 << ' ' << x2 << ' ' << y2 << " l\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::lineTo(double x1,double y1)

  {

    out << x1 << ' ' << y1 << " lt\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::moveTo(double x1,double y1)

  {

    out << x1 << ' ' << y1 << " mt\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::circle(double x,double y, double r)

  {

    out << x << ' ' << y << ' ' << r << " c\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::operator<<(const std::string &s)

  {

    out << "(" << s <<") xshow\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::operator<<(const char *s)

  {

    out << "(" << s <<") xshow\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::operator<<(int i)

  {

    out << "(" << i <<") xshow\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::operator<<(double d)

  {

    out << "(" << d <<") xshow\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::fontSize(double si)

  {

    out << si << " stfs\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::font(std::string s)

  {

    out << "/defont ("<<s<<") findfont def fontset\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::collect()

  {

    out << "collect\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::closePath()

  {

    out << "closepath\n";

    return *this;

  }

  EpsDrawer &EpsDrawer::stroke()

  {

    out << "str\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::fill()

  {

    out << "fl\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::eoFill()

  {

    out << "eofl\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::clip()

  {

    out << "cl\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::eoClip()

  {

    out << "eocl\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::lineWidth(double w)

  {

    out << w << " setlinewidth\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::lineCap(int i)

  {

    out << i << " setlinecap\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::lineJoin(int i)

  {

    out << i << " setlinejoin\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::miterLimit(double w)

  {

    out << w << " setmiterlimit\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::color(double r, double g, double b)

  {

    out << r << ' ' << g << ' ' << b << " setrgbcolor\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::translate(double x,double y)

  {

    out << x << ' ' << y << " translate\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::rotate(double r)

  {

    out << r << " rotate\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::scale(double sx, double sy)

  {

    out << sx << ' ' << sy << " scale\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::clear()

  {

    out << "erasepage\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::centerMode(bool m)

  {

    if(m) out << "/cshowmode true def\n";

    else out << "/cshowmode false def\n";

    return *this;  

  }

  EpsDrawer &EpsDrawer::flush()

  {

    out << "flush\n";

    //  fflush(fp);

    return *this;

  }

  EpsDrawer &EpsDrawer::node(NodeShapes t, double x, double y, double r,

			     Color col, Color brd)

  {

    out << "gsave\n"

	<< brd.red() << ' ' << brd.green() << ' ' << brd.blue() 

	<< " setrgbcolor\n";

    switch(t) {

    case CIRCLE:

      out << "newpath " << x << ' ' << y << ' ' << r 

	  << " dup 3 index add 2 index moveto 0 360 arc fill\n";

      break;

    case SQUARE:

      out << "newpath\n"

	  << x-r << ' ' << y-r << " moveto\n"

	  << x-r << ' ' << y+r << " lineto\n"

	  << x+r << ' ' << y+r << " lineto\n"

	  << x+r << ' ' << y-r << " lineto closepath fill\n";

      break;

    case DIAMOND:

      out << "newpath\n"

	  << x-r << ' ' << y   << " moveto\n"

	  << x   << ' ' << y+r << " lineto\n"

	  << x+r << ' ' << y   << " lineto\n"

	  << x   << ' ' << y-r << " lineto closepath fill\n";

      break;

    case MALE:

      break;

    case FEMALE:

      break;

    }

    r/=1.1;

    out << col.red() << ' ' << col.green() << ' ' << col.blue() 

	<< " setrgbcolor\n";

    switch(t) {

    case CIRCLE:

      out << "newpath " << x << ' ' << y << ' ' << r 

	  << " dup 3 index add 2 index moveto 0 360 arc fill\n";

      break;

    case SQUARE:

      out << "newpath\n"

	  << x-r << ' ' << y-r << " moveto\n"

	  << x-r << ' ' << y+r << " lineto\n"

	  << x+r << ' ' << y+r << " lineto\n"

	  << x+r << ' ' << y-r << " lineto closepath fill\n";

      break;

    case DIAMOND:

      out << "newpath\n"

	  << x-r << ' ' << y   << " moveto\n"

	  << x   << ' ' << y+r << " lineto\n"

	  << x+r << ' ' << y   << " lineto\n"

	  << x   << ' ' << y-r << " lineto closepath fill\n";

      break;

    case MALE:

      break;

    case FEMALE:

      break;

    }

    out << "grestore\n";

    return *this;

  }

}