1.1 --- a/src/lemon/graph_to_eps.h	Sat Jan 29 15:09:41 2005 +0000
     1.2 +++ b/src/lemon/graph_to_eps.h	Sat Jan 29 23:22:02 2005 +0000
     1.3 @@ -17,6 +17,9 @@
     1.4  #ifndef LEMON_GRAPH_TO_EPS_H
     1.5  #define LEMON_GRAPH_TO_EPS_H
     1.6  
     1.7 +#include <sys/time.h>
     1.8 +#include <time.h>
     1.9 +
    1.10  #include<iostream>
    1.11  #include<fstream>
    1.12  #include<sstream>
    1.13 @@ -119,6 +122,9 @@
    1.14    bool _pleaseRemoveOsStream;
    1.15  
    1.16    bool _scaleToA4;
    1.17 +
    1.18 +  std::string _title;
    1.19 +  std::string _copyright;
    1.20    
    1.21    ///Constructor
    1.22  
    1.23 @@ -153,7 +159,6 @@
    1.24  ///
    1.25  ///\todo Follow PostScript's DSC.
    1.26  /// Use own dictionary.
    1.27 -///\todo Provide a way to set %%Title: and %%Copyright:. Set %%CreationDate:
    1.28  ///\todo Useful new features.
    1.29  /// - Linestyles: dotted, dashed etc.
    1.30  /// - A second color and percent value for the lines.
    1.31 @@ -449,6 +454,20 @@
    1.32    ///Use it to show the undirected edges as a pair of directed ones.
    1.33    GraphToEps<T> &bidir(bool b=true) {_undir=!b;return *this;}
    1.34  
    1.35 +  ///Sets the title.
    1.36 +
    1.37 +  ///Sets the title of the generated image,
    1.38 +  ///namely it inserts a <tt>%%Title:</tt> DSC field to the header of
    1.39 +  ///the EPS file.
    1.40 +  GraphToEps<T> &title(const std::string &t) {_title=t;return *this;}
    1.41 +  ///Sets the copyright statement.
    1.42 +
    1.43 +  ///Sets the copyright statement of the generated image,
    1.44 +  ///namely it inserts a <tt>%%Copyright:</tt> DSC field to the header of
    1.45 +  ///the EPS file.
    1.46 +  ///\todo Multiline copyright notice could be supported.
    1.47 +  GraphToEps<T> &copyright(const std::string &t) {_copyright=t;return *this;}
    1.48 +
    1.49  protected:
    1.50    bool isInsideNode(xy<double> p, double r,int t) 
    1.51    {
    1.52 @@ -476,11 +495,18 @@
    1.53      if(dontPrint) return;
    1.54      
    1.55      os << "%!PS-Adobe-2.0 EPSF-2.0\n";
    1.56 -    os << "%%Title: LEMON GraphToEps figure\n" ///\todo setTitle() is needed
    1.57 +    if(_title.size()>0) os << "%%Title: " << _title << '\n';
    1.58 +     if(_copyright.size()>0) os << "%%Copyright: " << _copyright << '\n';
    1.59  //        << "%%Copyright: XXXX\n"
    1.60 -       << "%%Creator: LEMON GraphToEps function\n"
    1.61 -//        << "%%CreationDate: XXXXXXX\n"
    1.62 -      ;
    1.63 +    os << "%%Creator: LEMON GraphToEps function\n";
    1.64 +    
    1.65 +    {
    1.66 +      char cbuf[50];
    1.67 +      timeval tv;
    1.68 +      gettimeofday(&tv, 0);
    1.69 +      ctime_r(&tv.tv_sec,cbuf);
    1.70 +      os << "%%CreationDate: " << cbuf;
    1.71 +    }
    1.72      ///\todo: Chech whether the graph is empty.
    1.73      BoundingBox<double> bb;
    1.74      for(NodeIt n(g);n!=INVALID;++n) {
    1.75 @@ -489,12 +515,14 @@
    1.76        bb+=p+_coords[n];
    1.77        bb+=-p+_coords[n];
    1.78        }
    1.79 -    if(!_scaleToA4) os << "%%BoundingBox: "
    1.80 -		      << bb.left()*  _scale-_xBorder << ' '
    1.81 -		      << bb.bottom()*_scale-_yBorder << ' '
    1.82 -		      << bb.right()* _scale+_xBorder << ' '
    1.83 -		      << bb.top()*   _scale+_yBorder << '\n';
    1.84 -
    1.85 +    if(_scaleToA4)
    1.86 +      os <<"%%BoundingBox: 0 0 596 842\n%%DocumentPaperSizes: a4\n";
    1.87 +    else os << "%%BoundingBox: "
    1.88 +	    << bb.left()*  _scale-_xBorder << ' '
    1.89 +	    << bb.bottom()*_scale-_yBorder << ' '
    1.90 +	    << bb.right()* _scale+_xBorder << ' '
    1.91 +	    << bb.top()*   _scale+_yBorder << '\n';
    1.92 +    
    1.93      os << "%%EndComments\n";
    1.94      
    1.95      //x1 y1 x2 y2 x3 y3 cr cg cb w