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Histogram2dDM.h
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00001 //# Histogram2dDM.h: drawing for 2d Histogram DisplayDatas
00002 //# Copyright (C) 2000,2001
00003 //# Associated Universities, Inc. Washington DC, USA.
00004 //#
00005 //# This library is free software; you can redistribute it and/or modify it
00006 //# under the terms of the GNU Library General Public License as published by
00007 //# the Free Software Foundation; either version 2 of the License, or (at your
00008 //# option) any later version.
00009 //#
00010 //# This library is distributed in the hope that it will be useful, but WITHOUT
00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00013 //# License for more details.
00014 //#
00015 //# You should have received a copy of the GNU Library General Public License
00016 //# along with this library; if not, write to the Free Software Foundation,
00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00018 //#
00019 //# Correspondence concerning AIPS++ should be addressed as follows:
00020 //#        Internet email: aips2-request@nrao.edu.
00021 //#        Postal address: AIPS++ Project Office
00022 //#                        National Radio Astronomy Observatory
00023 //#                        520 Edgemont Road
00024 //#                        Charlottesville, VA 22903-2475 USA
00025 //#
00026 //# $Id$
00027 
00028 #ifndef TRIALDISPLAY_HISTOGRAM2DDM_H
00029 #define TRIALDISPLAY_HISTOGRAM2DDM_H
00030 
00031 #include <casa/aips.h>
00032 #include <display/Display/DisplayEnums.h>
00033 #include <display/Display/WorldCanvasHolder.h>
00034 #include <display/DisplayDatas/CachingDisplayMethod.h>
00035 
00036 namespace casa { //# NAMESPACE CASA - BEGIN
00037 
00038 // <summary> 
00039 // A DisplayMethod to draw histograms
00040 // </summary>
00041 //
00042 // <use visibility=export>
00043 // 
00044 // <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos="">
00045 // </reviewed>
00046 // 
00047 // <prerequisite>
00048 //   <li> DisplayMethod
00049 //   <li> CachingDisplayMethod
00050 // </prerequisite>
00051 //
00052 // <etymology>
00053 // </etymology>
00054 // <synopsis> 
00055 // 
00056 // </synopsis> 
00057 
00058 class Histogram2dDM : public CachingDisplayMethod {
00059 
00060  public:
00061 
00062   // Constructor.
00063   Histogram2dDM(WorldCanvas *worldCanvas, 
00064                 AttributeBuffer *wchAttributes,
00065                 AttributeBuffer *ddAttributes,
00066                 CachingDisplayData *dd);
00067   
00068   // Destructor.
00069   virtual ~Histogram2dDM();
00070   
00071   // Clean up (ie. delete any existing cached display list).
00072   virtual void cleanup();
00073   
00074   // Draw into a cached drawing list, called by draw function.
00075   virtual Bool drawIntoList(Display::RefreshReason reason,
00076                             WorldCanvasHolder &wcHolder);
00077   
00078  protected:
00079   
00080   // (Required) default constructor.
00081   Histogram2dDM();
00082   
00083   // (Required) copy constructor.
00084   Histogram2dDM(const Histogram2dDM &other);
00085   
00086   // (Required) copy assignment.
00087   void operator=(const Histogram2dDM &other);
00088   
00089  private:
00090 
00091 };
00092 
00093 
00094 } //# NAMESPACE CASA - END
00095 
00096 #endif