// @(#)root/postscript:$Id: TPostScript.h 20882 2007-11-19 11:31:26Z rdm $
// Author: O.Couet   16/07/99

 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *

#ifndef ROOT_TPostScript
#define ROOT_TPostScript

//                                                                      //
// TPostScript                                                          //
//                                                                      //
// PostScript driver.                                                   //
//                                                                      //

#ifndef ROOT_TVirtualPS
#include "TVirtualPS.h"

class TPoints;

class TPostScript : public TVirtualPS {

   Float_t fX1v;             //X bottom left corner of paper
   Float_t fY1v;             //Y bottom left corner of paper
   Float_t fX2v;             //X top right corner of paper
   Float_t fY2v;             //Y top right corner of paper
   Float_t fX1w;             //
   Float_t fY1w;             //
   Float_t fX2w;             //
   Float_t fY2w;             //
   Float_t fDXC;             //
   Float_t fDYC;             //
   Float_t fXC;              //
   Float_t fYC;              //
   Float_t fFX;              //
   Float_t fFY;              //
   Float_t fXVP1;            //
   Float_t fXVP2;            //
   Float_t fYVP1;            //
   Float_t fYVP2;            //
   Float_t fXVS1;            //
   Float_t fXVS2;            //
   Float_t fYVS1;            //
   Float_t fYVS2;            //
   Float_t fXsize;           //Page size along X
   Float_t fYsize;           //Page size along Y
   Float_t fMaxsize;         //Largest dimension of X and Y
   Float_t fRed;             //Per cent of red
   Float_t fGreen;           //Per cent of green
   Float_t fBlue;            //Per cent of blue
   Float_t fLineScale;       //Line width scale factor
   Int_t   fLineJoin;        //Appearance of joining lines
   Int_t   fSave;            //Number of gsave for restore
   Int_t   fNXzone;          //Number of zones along X
   Int_t   fNYzone;          //Number of zones along Y
   Int_t   fIXzone;          //Current zone along X
   Int_t   fIYzone;          //Current zone along Y
   Float_t fMarkerSizeCur;   //current transformed value of marker size
   Int_t   fCurrentColor;    //current Postscript color index
   Int_t   fNpages;          //number of pages
   Int_t   fType;            //PostScript workstation type
   Int_t   fMode;            //PostScript mode
   Int_t   fClip;            //Clipping mode
   Bool_t  fBoundingBox;     //True for Encapsulated PostScript
   Bool_t  fClear;           //True when page must be cleared
   Bool_t  fClipStatus;      //Clipping Indicator
   Bool_t  fRange;           //True when a range has been defined
   Bool_t  fZone;            //Zone indicator
   char    fPatterns[32];    //Indicate if pattern n is defined
   Int_t   fNbinCT;          //Number of entries in the current Cell Array
   Int_t   fNbCellW;         //Number of boxes per line
   Int_t   fNbCellLine;      //Number of boxes in the current line
   Int_t   fMaxLines;        //Maximum number of lines in a PS array
   Int_t   fLastCellRed;     //Last red value
   Int_t   fLastCellGreen;   //Last green value
   Int_t   fLastCellBlue;    //Last blue value
   Int_t   fNBSameColorCell; //Number of boxes with the same color

   static Int_t fgLineJoin;  //Appearance of joining lines

   TPostScript(const char *filename, Int_t type=-111);
   virtual ~TPostScript();

   void  CellArrayBegin(Int_t W, Int_t H, Double_t x1, Double_t x2,
                                          Double_t y1, Double_t y2);
   void  CellArrayFill(Int_t r, Int_t g, Int_t b);
   void  CellArrayEnd();
   void  Close(Option_t *opt="");
   Int_t CMtoPS(Double_t u) {return Int_t(0.5 + 72*u/2.54);}
   void  DefineMarkers();
   void  DrawBox(Double_t x1, Double_t y1,Double_t x2, Double_t  y2);
   void  DrawFrame(Double_t xl, Double_t yl, Double_t xt, Double_t  yt,
                   Int_t mode, Int_t border, Int_t dark, Int_t light);
   void  DrawHatch(Float_t dy, Float_t angle, Int_t n, Float_t *x,
                   Float_t *y);
   void  DrawHatch(Float_t dy, Float_t angle, Int_t n, Double_t *x,
                   Double_t *y);
   void  DrawPolyLine(Int_t n, TPoints *xy);
   void  DrawPolyLineNDC(Int_t n, TPoints *uv);
   void  DrawPolyMarker(Int_t n, Float_t *x, Float_t *y);
   void  DrawPolyMarker(Int_t n, Double_t *x, Double_t *y);
   void  DrawPS(Int_t n, Float_t *xw, Float_t *yw);
   void  DrawPS(Int_t n, Double_t *xw, Double_t *yw);
   void  FontEncode();
   void  Initialize();
   void  NewPage();
   void  Off();
   void  On();
   void  Open(const char *filename, Int_t type=-111);
   void  SaveRestore(Int_t flag);
   void  SetFillColor( Color_t cindex=1);
   void  SetFillPatterns(Int_t ipat, Int_t color);
   void  SetLineColor( Color_t cindex=1);
   void  SetLineJoin(Int_t linejoin=0);
   void  SetLineStyle(Style_t linestyle = 1);
   void  SetLineWidth(Width_t linewidth = 1);
   void  SetLineScale(Float_t scale=3) {fLineScale = scale;}
   void  SetMarkerColor( Color_t cindex=1);
   void  SetTextColor( Color_t cindex=1);
   void  MakeGreek();
   void  MovePS(Int_t x, Int_t y);
   void  Range(Float_t xrange, Float_t yrange);
   void  SetColor(Int_t color = 1);
   void  SetColor(Float_t r, Float_t g, Float_t b);
   void  Text(Double_t x, Double_t y, const char *string);
   void  TextNDC(Double_t u, Double_t v, const char *string);
   Int_t UtoPS(Double_t u);
   Int_t VtoPS(Double_t v);
   Int_t XtoPS(Double_t x);
   Int_t YtoPS(Double_t y);
   void  Zone();

   ClassDef(TPostScript,0)  //PostScript driver


Last update: Thu Jan 17 09:01:23 2008

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