mitk: mitkSeedsInteractor.cpp Source File

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00001 /*=========================================================================
00002 
00003 Program:   Medical Imaging & Interaction Toolkit
00004 Language:  C++
00005 Date:      $Date$
00006 Version:   $Revision$
00007 
00008 Copyright (c) German Cancer Research Center, Division of Medical and
00009 Biological Informatics. All rights reserved.
00010 See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.
00011 
00012 This software is distributed WITHOUT ANY WARRANTY; without even
00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014 PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #include "mitkSeedsInteractor.h"
00019 
00020 #include "mitkProperties.h"
00021 #include "mitkStringProperty.h"
00022 #include "mitkAction.h"
00023 #include "mitkDisplayPositionEvent.h"
00024 #include "mitkOperationEvent.h"
00025 #include "mitkInteractionConst.h"
00026 #include "mitkUndoController.h"
00027 #include "mitkDataNode.h"
00028 #include "mitkStateEvent.h"
00029 #include "mitkState.h"
00030 #include "mitkDrawOperation.h"
00031 
00032 
00033 mitk::SeedsInteractor::SeedsInteractor(const char * type, mitk::DataNode* dataNode)
00034   : mitk::Interactor(type, dataNode)
00035 {
00036   m_Radius = 1;
00037   m_Config = 0; // default config 254, 255 are added for fore- and backgrund seeds
00038   m_CurrentDrawState = 255;
00039 }
00040 
00041 mitk::SeedsInteractor::~SeedsInteractor()
00042 {
00043 }
00044 
00045 
00046 bool mitk::SeedsInteractor::ExecuteAction(mitk::Action* action, mitk::StateEvent const* stateEvent)
00047 {
00048   const mitk::DisplayPositionEvent* posEvent = dynamic_cast<const mitk::DisplayPositionEvent*>(stateEvent->GetEvent());
00049   if (posEvent == NULL)
00050     return false;
00051   
00052   event_point = posEvent->GetWorldPosition();
00053 
00054   m_DataNode->SetVisibility(true);
00055   m_SeedsImage = dynamic_cast<mitk::SeedsImage*>(m_DataNode->GetData());
00056 
00057 
00058   bool ok = false;
00059   switch (action->GetActionId())
00060   {
00061   case mitk::AcINITFOREGROUND:
00062     {
00063       if (m_Config == 0)      m_DrawState = m_CurrentDrawState;
00064       else                    m_DrawState = 1;
00065       ok = true;
00066       break;
00067     }
00068   case mitk::AcINITBACKGROUND:
00069     {
00070       if (m_Config == 0)      m_DrawState = 254;
00071       else                    m_DrawState = -1;
00072       ok = true;
00073       break;
00074     }
00075   case mitk::AcINITNEUTRAL:
00076     {
00077       m_DrawState = 0;
00078       ok = true;
00079       break;
00080     }
00081   case mitk::AcADD:
00082     {
00083       last_point = event_point;
00084       mitk::DrawOperation* doOp = new mitk::DrawOperation(OpADD, event_point, last_point, m_DrawState, m_Radius);
00085       if (m_UndoEnabled){ //write to UndoMechanism/ Can probably be removed!
00086         mitk::DrawOperation* undoOp = new mitk::DrawOperation(OpUNDOADD, event_point, last_point, m_DrawState, m_Radius);
00087         mitk::OperationEvent *operationEvent = new mitk::OperationEvent(m_SeedsImage, doOp, undoOp, "Add seed point");
00088         m_UndoController->SetOperationEvent(operationEvent);
00089       }
00090       //execute the Operation
00091       m_SeedsImage->ExecuteOperation(doOp);
00092       ok = true;
00093       break;
00094     }
00095   case mitk::AcMOVE:
00096     {
00097       last_point = event_point;
00098       mitk::DrawOperation* doOp = new mitk::DrawOperation(OpMOVE, event_point, last_point, m_DrawState, m_Radius);
00099       if (m_UndoEnabled){ //write to UndoMechanism/ Can probably be removed!
00100         mitk::DrawOperation* undoOp = new mitk::DrawOperation(OpUNDOMOVE, event_point, last_point, m_DrawState, m_Radius);
00101         mitk::OperationEvent *operationEvent = new mitk::OperationEvent(m_SeedsImage, doOp, undoOp, "Move seed point");
00102         m_UndoController->SetOperationEvent(operationEvent);
00103       }
00104       //execute the Operation
00105       m_SeedsImage->ExecuteOperation(doOp);   
00106       ok = true;
00107       //this->Modified();
00108       break;
00109     }
00110   case mitk::AcFINISH:
00111     {
00112       last_point = event_point;
00113       ok = true;
00114       this->Modified();
00115       
00116       this->InvokeEvent( itk::EndEvent() );
00117 
00118       break;
00119     }
00120   default:
00121     return Superclass::ExecuteAction( action, stateEvent );
00122   }
00123   return ok;
00124 }