Adding classes forgotten in previous commit

[u/mrichter/AliRoot.git] / MUON / AliMUONContourPainter.cxx

diff --git a/MUON/AliMUONContourPainter.cxx b/MUON/AliMUONContourPainter.cxx
new file mode 100644 (file)
index 0000000..56797ce
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+++ b/MUON/AliMUONContourPainter.cxx
@@ -0,0 +1,101 @@
+/**************************************************************************
+* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+*                                                                        *
+* Author: The ALICE Off-line Project.                                    *
+* Contributors are mentioned in the code where appropriate.              *
+*                                                                        *
+* Permission to use, copy, modify and distribute this software and its   *
+* documentation strictly for non-commercial purposes is hereby granted   *
+* without fee, provided that the above copyright notice appears in all   *
+* copies and that both the copyright notice and this permission notice   *
+* appear in the supporting documentation. The authors make no claims     *
+* about the suitability of this software for any purpose. It is          *
+* provided "as is" without express or implied warranty.                  *
+**************************************************************************/
+
+// $Id$
+
+/// \class AliMUONContourPainter
+///
+/// Class to draw AliMUONContour objects (2D)
+///
+/// \author Laurent Aphecetche, Subatech
+
+#include "AliMUONContourPainter.h"
+
+#include "TVirtualX.h"
+#include "AliMUONPolygon.h"
+#include "AliMUONContour.h"
+#include "TObjArray.h"
+#include "TVirtualPad.h"
+
+///\cond CLASSIMP
+ClassImp(AliMUONContourPainter)
+///\endcond
+
+//_____________________________________________________________________________
+AliMUONContourPainter::AliMUONContourPainter()
+{
+  /// Ctor
+}
+
+//_____________________________________________________________________________
+AliMUONContourPainter::~AliMUONContourPainter()
+{
+  /// dtor
+}
+
+//_____________________________________________________________________________
+void 
+AliMUONContourPainter::Paint(const AliMUONContour& contour, 
+                             Int_t lineColor, Int_t lineWidth, 
+                             Int_t fillColor, Int_t fillStyle)
+{
+  /// Paint the given contour. 
+  /// If lineColor > 0 the outline is drawn
+  /// If fillColor > 0 the contour is filled.
+  
+  Bool_t outline(lineColor>0);
+  Bool_t fill(fillColor>0);
+  
+  Int_t fc = gVirtualX->GetFillColor();
+  Int_t fs = gVirtualX->GetFillStyle();
+  Int_t lc = gVirtualX->GetLineColor();
+  Int_t lw = gVirtualX->GetLineWidth();
+  
+  if ( lineColor > 0 ) gVirtualX->SetLineColor(lineColor);
+  if ( lineWidth > 0 ) gVirtualX->SetLineWidth(lineWidth);
+  if ( fillColor > 0 ) gVirtualX->SetFillColor(fillColor);
+  if ( fillStyle > 0 ) gVirtualX->SetFillStyle(fillStyle);
+  
+  TIter next(contour.Polygons());
+  AliMUONPolygon* pol;
+  while ( ( pol = static_cast<AliMUONPolygon*>(next()) ) )
+  {
+    Int_t n = pol->NumberOfVertices();
+    Double_t* x = new Double_t[n];
+    Double_t* y = new Double_t[n];
+    for ( Int_t i = 0; i < n; ++i )
+    {
+      x[i] = gPad->GetLogx() ? gPad->XtoPad(pol->X(i)) : pol->X(i);
+      y[i] = gPad->GetLogy() ? gPad->YtoPad(pol->Y(i)) : pol->Y(i);
+    }
+    if ( fill ) 
+    {
+      gPad->PaintFillArea(n,x,y);
+    }
+    if (outline)
+    {
+      gPad->PaintPolyLine(n,x,y);
+    }
+    
+    delete[] x;
+    delete[] y;
+  }
+  
+  gVirtualX->SetFillColor(fc);
+  gVirtualX->SetFillStyle(fs);
+  gVirtualX->SetLineColor(lc);
+  gVirtualX->SetLineWidth(lw);
+  
+}