/* @(#)root/histpainter:$Id$ */

/*************************************************************************
 * 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_Hoption
#define ROOT_Hoption


////////////////////////////////////////////////////////////////////////////////
/*! \struct Hoption_t
\brief Histogram option structure.

Used internally by `THistpainter` to manage histogram drawing options.

*/


typedef struct Hoption_t {
   // The histogram's drawing option may be the concatenation of the following options:

   int Axis;        ///< "A"  Axis are not drawn around the graph.
   int Bar;         ///< "B"  A Bar chart is drawn at each point.
   int Curve;       ///< "C"  A smooth Curve is drawn.
   int Error;       ///< "E"  Draw Errors with current marker type and size.
   int Fill;        ///< "F"  A fill area is drawn ("CF" draw a smooth fill area).
   int Off;         ///< "][" With H option, the first and last vertical lines are not drawn.
   int Keep;        ///< "K"  The status of the histogram is kept in memory
   int Line;        ///< "L"  A simple polyline beetwen every point is drawn.
   int Mark;        ///< "P"  The current Marker is drawn at each point
   int Same;        ///< "S"  Histogram is plotted in the current PAD.
   int Update;      ///< "U"  Update histogram previously plotted with option K
   int Star;        ///< "*"  A * is plotted at each point
   int Arrow;       ///< "ARR"    Draw 2D plot with Arrows.
   int Box;         ///< "BOX"    Draw 2D plot with proportional Boxes.
   int Char;        ///< "CHAR"   Draw 2D plot with a character set.
   int Color;       ///< "COL"    Draw 2D plot with Colored boxes.
   int Contour;     ///< "CONT"   Draw 2D plot as a Contour plot.
   int Func;        ///< "FUNC"   Draw only the function (for example in case of fit).
   int Hist;        ///< "HIST"   Draw only the histogram.
   int Lego;        ///< "LEGO"   Draw as a Lego plot(LEGO,Lego=1, LEGO1,Lego1=11, LEGO2,Lego=12).
   int Scat;        ///< "SCAT"   Draw 2D plot a Scatter plot.
   int Surf;        ///< "SURF"   Draw as a Surface (SURF,Surf=1, SURF1,Surf=11, SURF2,Surf=12)
   int Text;        ///< "TEXT"   Draw 2D plot with the content of each cell.
   int Tri;         ///< "TRI"    Draw 2D plot with Delaunay triangles.
   int Pie;         ///< "PIE"    Draw 1D plot as a pie chart.
   long Candle;     ///< "CANDLE" Draw a 2D histogram as candle/box plot or violin plot (also with "VIOLIN").
   int System;      ///< type of coordinate system(1=car,2=pol,3=cyl,4=sph,5=psr)
   int Zscale;      ///< "Z"   to display the Z scale (color palette)
   int FrontBox;    ///<  = 0 to suppress the front box
   int BackBox;     ///<  = 0 to suppress the back box
   int List;        ///<  = 1 to generate the TObjArray "contours"
   int Proj;        ///<  1: Aitoff, 2: Mercator, 3: Sinusoidal, 4: Parabolic
   int AxisPos;     ///<  Axis position
   int Spec;        ///< TSpectrum graphics
   int Zero;        ///< if selected with any LEGO option the empty bins are not drawn.
   int MinimumZero; ///< "MIN0" or gStyle->GetHistMinimumZero()

   // The following structure members are set to 1 if the corresponding option
   // in the current style is selected.

   int Logx;        ///< log scale in X. Also set by histogram option
   int Logy;        ///< log scale in Y. Also set by histogram option
   int Logz;        ///< log scale in Z. Also set by histogram option

} Hoption_t;

#endif