X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fthreadrecon.h;h=e96bb2d8f85c76d4adea9ebb2295ec594c138e11;hb=6480e936da257519dd36840862ac995ca8c374da;hp=0cb8c9a3c584c7070f82d64d84d84049912d71db;hpb=e081109a4a541c8780aaa253b874acada5957200;p=ctsim.git

diff --git a/src/threadrecon.h b/src/threadrecon.h
index 0cb8c9a..e96bb2d 100644
--- a/src/threadrecon.h
+++ b/src/threadrecon.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2001 Kevin Rosenberg
 **
-**  $Id: threadrecon.h,v 1.2 2001/02/22 15:00:20 kevin Exp $
+**  $Id: threadrecon.h,v 1.7 2001/02/23 21:58:32 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -33,37 +33,86 @@
 #include <wx/progdlg.h>
 #include "timer.h"
 
+// This thread creates a SupervisorTask event handler object
+// The thread is detached and terminates when SupervisorTask terminates
+class SupervisorTaskThread : public wxThread {
+private:
+
+public:
+  SupervisorTaskThread();
+
+  virtual wxThread::ExitCode Entry() = 0;
 
-class BackgroundTask : public wxEvtHandler {
+  // called when the thread exits - whether it terminates normally or is stopped with Delete()
+  virtual void OnExit();
+};
+
+
+class ReconstructorSupervisorThread : public SupervisorTaskThread {
+private:
 public:
-  BackgroundTask()
-    : wxEvtHandler()
+};
+
+
+// Pure virtual class for BackgroundSupervisor that can communication
+// with BackgroundManager via messages
+
+class BackgroundSupervisor : public wxEvtHandler {
+private:
+  bool m_bDone;
+
+public:
+
+  enum {
+    MSG_BACKGROUND_SUPERVISOR_ADD = 7500, // sends to BackgroundManager and Document
+    MSG_BACKGROUND_SUPERVISOR_REMOVE = 7501, // sends to BackgroundManager and Document
+    MSG_BACKGROUND_SUPERVISOR_UNIT_TICK = 7502,  // sends to BackgroundManager for progress bars
+    MSG_BACKGROUND_SUPERVISOR_CANCEL = 7503,   // *sent* to Supervisor to cancel process
+
+    MSG_WORKER_THREAD_UNIT_TICK = 7504,
+    MSG_WORKER_THREAD_DONE = 7505,
+    MSG_WORKER_THREAD_FAIL = 7506,   // sent by workers when they fail
+  };
+
+  BackgroundSupervisor()
+    : m_bDone(false), wxEvtHandler()
   {}
 
-  virtual ~BackgroundTask()
+  virtual ~BackgroundSupervisor()
   {}
 
-  virtual void cancel() = 0;
   virtual bool start() = 0;
+  virtual bool testDone() = 0;
+  virtual void OnWorkerFail(wxCommandEvent& event) = 0;
+  virtual void OnWorkerUnitTick(wxCommandEvent& event) = 0;
+  virtual void OnWorkerDone(wxCommandEvent& event) = 0;
+  virtual void OnCancel(wxCommandEvent& event) = 0;
+
+  bool isDone() const {return m_bDone;}
+  void setDone() { m_bDone = true; }
+
+  static void cancelSupervisor (BackgroundSupervisor* pSupervisor);
 };
 
 class Reconstructor;
 class ImageFile;
 class ProjectionFileDocument;
-class ReconstructionThread;
+class ReconstructorWorker;
 class ProjectionFileView;
 
-class ThreadedReconstructor : public BackgroundTask {
+
+class ReconstructorSupervisor : public BackgroundSupervisor {
 private:
-  DECLARE_DYNAMIC_CLASS(ThreadedReconstructor)
+  DECLARE_DYNAMIC_CLASS(ReconstructorSupervisor)
+  wxCriticalSection m_critsectThreadContainer;
 
-  std::vector<Reconstructor*> m_vecpReconstructor;
   std::vector<ImageFile*> m_vecpChildImageFile;
-  std::vector<ReconstructionThread*> m_vecpThread;
+  typedef std::vector<ReconstructorWorker*> ThreadContainer;
+  ThreadContainer m_vecpThread;
+  ProjectionFileDocument* m_pProjDoc;
   ProjectionFileView* m_pProjView;
   wxProgressDialog* m_pDialogProgress;
-  wxGauge* m_pGauge;
-  
+    
   volatile bool m_bFail;
   int m_iNumThreads;
   const int m_iImageNX;
@@ -71,59 +120,72 @@ private:
   volatile int m_iRunning;
   volatile unsigned int m_iViewsDone;
   volatile unsigned int m_iTotalViews;
-  wxCriticalSection m_criticalSection;
   wxString m_strLabel;
   Timer* m_pTimer;
   bool m_bCancelled;
   bool m_bCancelling;
-  bool m_bDone;
 
 public:
-   ThreadedReconstructor (ProjectionFileView* pProjView, 
+   ReconstructorSupervisor (ProjectionFileView* pProjView, 
    int iNX, int iNY, const char* pszFilterName, double dFilterParam, const char* pszFilterMethod, 
    int iZeropad, const char* pszFilterGenerationName, const char* pszInterpName, int iInterpParam,
    const char* pszBackprojectName, const char* const pszLabel);
 
-   ThreadedReconstructor ()
-     : m_bFail(true), m_iNumThreads(0), m_iImageNX(0), m_iImageNY(0), m_iTotalViews(0), BackgroundTask()
+   ReconstructorSupervisor ()
+     : m_bFail(true), m_iNumThreads(0), m_iImageNX(0), m_iImageNY(0), m_iTotalViews(0), 
+     BackgroundSupervisor()
    {}
 
-   ~ThreadedReconstructor ();
-
-  void OnThreadEvent (wxCommandEvent& event);
-  bool testDone();
-  void cancel();
+   ~ReconstructorSupervisor ();
 
   void onDone();
   bool start();
   bool fail() const {return m_bFail;}
-  bool getDone() const {return m_bDone;}
+  bool testDone();
+  void cleanUp();
+  virtual void OnWorkerFail(wxCommandEvent& event);
+  virtual void OnWorkerUnitTick(wxCommandEvent& event);
+  virtual void OnWorkerDone(wxCommandEvent& event);
+  virtual void OnCancel(wxCommandEvent& event);
 
-  ImageFile* getImageFile() const;
+  ImageFile* getImageFile();
 
   DECLARE_EVENT_TABLE()
 };
 
 
 
-class ReconstructionThread : public wxThread {
+class ReconstructorWorker : public wxThread {
 private:
-  ThreadedReconstructor* m_pSupervisor;
-  Reconstructor* m_pReconstructor;
+  ReconstructorSupervisor* m_pSupervisor;
   int m_iStartView;
   int m_iNumViews;
   int m_iThread;
+  ProjectionFileView* m_pProjView;
+  ImageFile* m_pImageFile;
+  const std::string m_strFilterName;
+  const double m_dFilterParam;
+  const std::string m_strFilterMethod;
+  const int m_iZeropad;
+  const std::string m_strFilterGenerationName;
+  const std::string m_strInterpName;
+  const int m_iInterpParam;
+  const std::string m_strBackprojectName;
 
 public:
-  ReconstructionThread (ThreadedReconstructor* pSupervisor, Reconstructor* pReconstructor, 
-    int iThread, int iStartView, int iNumViews);
+  ReconstructorWorker (ReconstructorSupervisor* pSupervisor, 
+    ProjectionFileView* pProjFile, ImageFile* pImageFile, 
+    int iThread, int iStartView, int iNumViews,
+   const char* const pszFilterName, double dFilterParam, const char* const pszFilterMethod, 
+   int iZeropad, const char* const pszFilterGenerationName, const char* const pszInterpName, int iInterpParam,
+   const char* pszBackprojectName);
 
   virtual wxThread::ExitCode Entry();      // thread execution starts here
 
-    // called when the thread exits - whether it terminates normally or is
-    // stopped with Delete() (but not when it is Kill()ed!)
-    virtual void OnExit();
+  // called when the thread exits - whether it terminates normally or is stopped with Delete()
+  virtual void OnExit();
 };
 
 
 #endif
+