Line data    Source code

       1             : //# PlotItem.cc: Top of hierarchy for objects that can be drawn on a canvas.
       2             : //# Copyright (C) 2009
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //#
       5             : //# This library is free software; you can redistribute it and/or modify it
       6             : //# under the terms of the GNU Library General Public License as published by
       7             : //# the Free Software Foundation; either version 2 of the License, or (at your
       8             : //# option) any later version.
       9             : //#
      10             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      11             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      13             : //# License for more details.
      14             : //#
      15             : //# You should have received a copy of the GNU Library General Public License
      16             : //# along with this library; if not, write to the Free Software Foundation,
      17             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      18             : //#
      19             : //# Correspondence concerning AIPS++ should be addressed as follows:
      20             : //#        Internet email: casa-feedback@nrao.edu.
      21             : //#        Postal address: AIPS++ Project Office
      22             : //#                        National Radio Astronomy Observatory
      23             : //#                        520 Edgemont Road
      24             : //#                        Charlottesville, VA 22903-2475 USA
      25             : //#
      26             : //# $Id: $
      27             : #include <graphics/GenericPlotter/PlotItem.h>
      28             : 
      29             : using namespace casacore;
      30             : namespace casa {
      31             : 
      32             : //////////////////////////
      33             : // PLOTITEM DEFINITIONS //
      34             : //////////////////////////
      35             : 
      36           0 : PlotItem::PlotItem() { }
      37             : 
      38           0 : PlotItem::~PlotItem() { }
      39             : 
      40           0 : void PlotItem::setAxes(PlotAxis x, PlotAxis y) {
      41           0 :     setXAxis(x);
      42           0 :     setYAxis(y);
      43           0 : }
      44             : 
      45           0 : unsigned int PlotItem::drawSegments(unsigned int segmentThreshold) const {
      46           0 :     unsigned int count = drawCount();
      47           0 :     if(segmentThreshold == 0) return count;
      48           0 :     unsigned int segments = count / segmentThreshold;
      49           0 :     if(count % segmentThreshold > 0) segments++;
      50           0 :     return segments;
      51             : }
      52             : 
      53             : }