//*-- Modified : v0.53 23/11/00 by D. Buskulic
//*-- Author :    Damir Buskulic   04/03/99

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// VStyle                                                               //
//                                                                      //
// Style options of a VEGA session,                                     //
//   - time display options                                             //
//   - since VStyle derives from TStyle, all TStyle options             //
// A global gVStyle is present, which replaces the standard ROOT gStyle //
// adding the specific VEGA options. It should be used instead          //
// of gStyle in all VEGA sessions.                                      //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include "VStyle.h"

VStyle* gVStyle;
Int_t     gVEGAWarnings;

ClassImp(VStyle)

//______________________________________________________________________________
VStyle::VStyle() : TStyle()
{
// VStyle constructor
   ResetV();
}

//______________________________________________________________________________
VStyle::VStyle(Text_t* name, Text_t* title) : TStyle(name, title)
{
// VStyle constructor

   gVStyle = this;
   gStyle = this;
   ResetV();
}

//______________________________________________________________________________
VStyle::VStyle(const VStyle& vstyle)
{
// VStyle copy constructor

   ((VStyle&)vstyle).Copy(*this);
}

//______________________________________________________________________________
VStyle::~VStyle()
{
// VStyle destructor
}

//______________________________________________________________________________
 void VStyle::Copy(VStyle& obj)
{
   TStyle::Copy((VStyle&)obj);
   ((VStyle&)obj).mTimeFormat       = mTimeFormat;
   ((VStyle&)obj).mTimeUnit         = mTimeUnit;   
   ((VStyle&)obj).mStartTimeDisplay = mStartTimeDisplay;   
   ((VStyle&)obj).mStartTimeFormat  = mStartTimeFormat;   
   ((VStyle&)obj).mStartTimeXOffset = mStartTimeXOffset;   
   ((VStyle&)obj).mStartTimeYOffset = mStartTimeYOffset;
   ((VStyle&)obj).mAutoLogPlot      = mAutoLogPlot;
}

//______________________________________________________________________________
 void VStyle::ResetV()
{
// Reset to standard values
   mTimeFormat = "GPS";
   mTimeUnit = "S";
   mStartTimeDisplay = 1;
   mStartTimeFormat = "localeur";
   mStartTimeXOffset = 0.02;
   mStartTimeYOffset = 0.02;
   mAutoLogPlot = 1;
   SetPadBottomMargin(0.115); // For VEGA, set bottom margin a little bigger
// for VEGA, set by default a pretty palette. It is the same as the ROOT one
// except that "ultraviolet" and "infrared" are added
   int ncolors = 100;
   const Int_t NRGBs = 8;
   Double_t Stops[NRGBs] = { 0.00, 0.07, 0.15, 0.35, 0.50, 0.70, 0.90, 1.00 };
   Double_t Red[NRGBs]   = { 0.20, 0.30, 0.00, 0.00, 0.00, 0.97, 0.97, 0.40 };
   Double_t Green[NRGBs] = { 0.00, 0.04, 0.00, 0.97, 0.97, 0.97, 0.00, 0.00 };
   Double_t Blue[NRGBs]  = { 0.20, 0.30, 0.50, 0.97, 0.00, 0.00, 0.00, 0.00 };
   TStyle::CreateGradientColorTable(NRGBs, Stops, Red, Green, Blue, ncolors);
   
#if ROOT_VERSION_CODE >= ROOT_VERSION(3,4,2)
   SetNumberContours(64);
#endif
}

//______________________________________________________________________________
 void VStyle::SetTimeFormat(Text_t* fmt)
{
// Sets time format. Possible values are :
//    GPS   all times will be expressed as GPS values
//    LOCALEUR all times will be expressed in the european manner DD/MM/YY HH:MM:SS:MilliS
//          local to the experiments location.
//    LOCALUS all times will be expressed in the anglosaxxon manner MM/DD/YY HH:MM:SS:MilliS AM (or PM)
//          local to the experiments location.
//    UNIEUR   all times will be expressed as UTC in the european format
//    UNIUS    all times will be expressed as UTC in the european anglosaxxon format
//    Any other format will be interpreted as a format string for the
//      standard C strftime function. See TAxis::SetTimeFormat
//

   mTimeFormat = fmt;
}

//______________________________________________________________________________
 void VStyle::SetStartTimeFormat(Text_t* fmt)
{
// Sets time format. Possible values are :
//    GPS   all times will be expressed as GPS values
//    LOCALEUR all times will be expressed in the european manner DD/MM/YY HH:MM:SS:MilliS
//          local to the experiments location.
//    LOCALUS all times will be expressed in the anglosaxxon manner MM/DD/YY HH:MM:SS:MilliS AM (or PM)
//          local to the experiments location.
//    UNIEUR   all times will be expressed as UTC in the european format
//    UNIUS    all times will be expressed as UTC in the european anglosaxxon format
//    Any other format will be interpreted as a format string for the
//      standard C strftime function. See TAxis::SetTimeFormat
//

   mStartTimeFormat = fmt;
}

//______________________________________________________________________________
 void VStyle::SetTimeUnit(Text_t* unit)
{
// Sets time units, especially for plots. Allowed values are :
//    S   all times will be expressed in seconds
//    M   all times will be expressed in minutes
//    D   all times will be expressed in days

   Bool_t fmtok = kFALSE;
   if (!strcmp(unit,"S")) fmtok = kTRUE;
   if (!strcmp(unit,"M")) fmtok = kTRUE;
   if (!strcmp(unit,"D")) fmtok = kTRUE;
 
   if (fmtok) {
      mTimeUnit = unit;
   } else {
      Warning("SetTimeUnit","Not valid time unit (S, M or D), remains unchanged");
   }
}

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