TWebPainting.h

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// Author:  Sergey Linev, GSI  10/04/2017
 
/*************************************************************************
 * Copyright (C) 1995-2018, 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_TWebPainting
#define ROOT_TWebPainting
 
#include "TObject.h"
#include "TAttLine.h"
#include "TAttFill.h"
#include "TAttText.h"
#include "TAttMarker.h"
#include "TArrayF.h"
 
class TColor;
 
#include <string>
 
class TWebPainting : public TObject {
 
   protected:
      std::string fOper;      ///< list of operations, separated by semicolons
      Int_t fSize{0};         ///<! filled buffer size
      TArrayF fBuf;           ///< array of points for all operations
      TAttLine fLastLine;     ///<! last line attributes
      TAttFill fLastFill;     ///<! last fill attributes
      TAttMarker fLastMarker; ///<! last marker attributes
 
   public:
 
      TWebPainting();
      ~TWebPainting() override = default;
 
      Bool_t IsEmpty() const { return fOper.empty() && (fBuf.GetSize() == 0); }
 
      void AddOper(const std::string &oper);
 
      void AddLineAttr(const TAttLine &attr);
      void AddFillAttr(const TAttFill &attr);
      void AddTextAttr(const TAttText &attr);
      void AddMarkerAttr(const TAttMarker &attr);
 
      Float_t *Reserve(Int_t sz);
 
      void AddColor(Int_t indx, TColor *col);
 
      // Set actual filled size
      void FixSize() { fBuf.Set(fSize); }
 
      static std::string MakeTextOper(const char *str);
 
 
   ClassDefOverride(TWebPainting, 1) // store for all paint operation of TVirtualPadPainter
};
 
#endif