DDEve/src/Annotation.cpp

0001 //==========================================================================
0002 //  AIDA Detector description implementation
0003 //--------------------------------------------------------------------------
0004 // Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
0005 // All rights reserved.
0006 //
0007 // For the licensing terms see $DD4hepINSTALL/LICENSE.
0008 // For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
0009 //
0010 // Author     : M.Frank
0011 //
0012 //==========================================================================
0013
0014 // Framework include files
0015 #include <DDEve/Annotation.h>
0016 #include <DD4hep/InstanceCount.h>
0017 #include <TEveViewer.h>
0018 #include <TGLViewer.h>
0019
0020 // C/C++ include files
0021
0022 // Forward declarations
0023
0024 using namespace dd4hep;
0025
0026 ClassImp(Annotation)
0027
0028 /// Standard constructor with initialization
0029 Annotation::Annotation(TEveViewer* v, const std::string& text, float x, float y, Color_t c)
0030 : TGLAnnotation(v->GetGLViewer(), text.c_str(), x, y)
0031 {
0032   SetTextSize(DefaultTextSize());
0033   SetUseColorSet(kFALSE);
0034   SetTextColor(c);
0035   InstanceCount::increment(this);
0036 }
0037
0038 /// Default destructor
0039 Annotation::~Annotation() {
0040   InstanceCount::decrement(this);
0041 }
0042
0043 /// Mouse has entered overlay area.
0044 Bool_t Annotation::MouseEnter(TGLOvlSelectRecord& )   {
0045   fActive = kFALSE;
0046   return kTRUE;
0047 }
0048
0049 /// Default text size
0050 float Annotation::DefaultTextSize() {
0051   return 0.04;
0052 }
0053 /// Default margin for placement in bottom left corner
0054 float Annotation::DefaultMargin()   {
0055   return 0.01;
0056 }