FUNNELWEB LISTING FILE
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    29    29| We provide a Postscript output for all geometric classes
    30    30| of \cgal. Thanks to this stream, you will be able to create file printable
    31    31| or a file you will be able to insert in Latex documents. Indeed the generate 
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    32    32| output file can be an EPSF file.
    33    33| 
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    43    43| 
    44    44| typedef const char *DashStyle;
    45    45|       
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    46    46| class CGAL_PS_Stream {
    47    47| public:
    48    48|   
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    49    49|   typedef CGAL_Bbox_2 PS_BBox;
    50    50| 
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    59    59|   static const float INCH;
    60    60|   static const float POINT;
    61    61|   
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    62    62|   enum OutputMode {READABLE, QUIET, READABLE_EPS, QUIET_EPS, GS_VIEW};
    63    63|   enum DotStyle {NONE, XCROSS, ICROSS, EDOT, FDOT, EBOX, FBOX};
    64    64|   
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    65    65|   @}
    66    66| 
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   114   114| friend CGAL_PS_Stream;
   115   115| friend CGAL_PS_Stream &operator<<(CGAL_PS_Stream &ps, const Grid &g);
   116   116|       
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   117   117| public:
   118   118|   Grid(double x, double y, DashStyle str="[1 5] 0")
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   138   138| You have just to define a Label object and insert it in the stream
   139   139| to display the string in the postscript output. Default font and
   140   140| size is used to display texts but you are able to change this using the 
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   141   141| modifiers of the stream.
   142   142| @$@<class CGAL_PS_Stream@>+=@{@-
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   161   161|       {$\alpha^{y}_{i}$}
   162   162|   \end{verbatim}
   163   163|   
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   164   164| These labels wont be displayed on a gs view but only with latex.
   165   165| To include such a file you have to type ("toto.ps" is the file in which
   166   166| the Postscript output of CGAL had been redirected) : 
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   167   167| \begin{verbatim}
   168   168|       
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   169   169| \documentclass[]{article}
   170   170| \begin{document}
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   177   177| \Ipe{toto.ps}
   178   178| \end{center}
   179   179| \end{figure*} 
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   180   180| 
   181   181|       after.
   182   182| 
   183   183| \end{document} 
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   184   184| 
   185   185| \end{verbatim}
   186   186|       
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   187   187| @$@<class CGAL_PS_Stream@>+=@{@-
   188   188|       
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   189   189| class Latex_Label {
   190   190|   friend CGAL_PS_Stream;
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   341   341| of real objects represented in the postscript view.
   342   342| 
   343   343| In this coonstructors, the whole page is used, 
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   344   344| the bounding box is defined by bb.
   345   345| 
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   424   424|   int          height()        const {return _height;}
   425   425|   OutputMode   mode()          const {return _mode;}
   426   426|       
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   427   427|   // Utils
   428   428|   double xratio() { return _xratio;}
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   585   585|   };
   586   586| 
   587   587| */  
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   588   588| 
   589   589| @}
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   608   608| CGAL_PS_Stream::CGAL_PS_Stream(const PS_BBox &bb, const char *fname,
   609   609|                                OutputMode mode)
   610   610|   : _bbox(bb),_mode(mode),_width((int)21*CM), _height((int)29.7*CM),_os(cerr) 
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   611   611| {
   612   612|   _xratio=_width/(_bbox.xmax()-_bbox.xmin());
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   668   668| The destructor insert all the latex instruction if needed.
   669   669| Then, it inserts all the latex labels, and finaly it closes the stream.
   670   670|       
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   671   671| @$@<Constructors and Destructors@>+=@{@-
   672   672| CGAL_PS_Stream::~CGAL_PS_Stream()
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   692   692|       while (!tmp.empty())
   693   693|         {
   694   694|           os() << "%%\\put(" << tmp.front().xpos() 
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   695   695|                << "," <<tmp.front().ypos() 
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   696   696|                <<"){\\IPEtext{\\IPEfs{10}\\rm "<< tmp.front().text() 
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   697   697|                <<" }}" << endl;
   698   698|           tmp.pop_front();
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   928   928| Manipulators allow to influence the state of the stream. They permit
   929   929| to change the color, the line width, the line style, the size and the style
   930   930| of the dot when we draw a point, to instert label in the stream, 
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   931   931| to set the font of the text and its size.
   932   932| 
   933   933| From an implementation point of view there are different solutions.
   934   934| We use a class defining pointers on member fonctions.  
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   935   935| This is the definition of member function called when a modifier is 
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   936   936| inserted in the stream.
   937   937| 
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  1112  1112|   //os() << "%% CGAL - LATEX : " << x2ps(context().get_pos().x()) << " "
  1113  1113|   //   << y2ps(context().get_pos().y()) << " " << ch << endl;
  1114  1114|   
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  1115  1115|   return *this;
  1116  1116| }
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Tangle: Completed ../include/CGAL/IO/Postscript_stream.h.
Tangle: Completed ../src/Postscript_stream.C.

There were 26 Warnings.