--- /dev/null
+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: threadraster.cpp
+** Purpose: Threaded rasterizer class
+** Programmer: Kevin Rosenberg
+** Date Started: February 2001
+**
+** This is part of the CTSim program
+** Copyright (C) 1983-2001 Kevin Rosenberg
+**
+** $Id: threadraster.cpp,v 1.1 2001/02/27 03:59:30 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
+** published by the Free Software Foundation.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+******************************************************************************/
+
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include "ct.h"
+#include "ctsim.h"
+#include "docs.h"
+#include "views.h"
+#include "threadraster.h"
+#include "backgroundmgr.h"
+#include "backgroundsupr.h"
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Class RasterizerSupervisorThread -- Thread for Background Supervisor
+//
+/////////////////////////////////////////////////////////////////////
+
+RasterizerSupervisorThread::RasterizerSupervisorThread (PhantomFileView* pProjView, int iNX, int iNY,
+ int iNSample, double dViewRatio, const char* const pszLabel)
+: m_pPhantomView(pProjView), m_iNX(iNX), m_iNY(iNY), m_iNSample(iNSample), m_dViewRatio(dViewRatio), m_strLabel(pszLabel),
+ SupervisorThread()
+{
+}
+
+wxThread::ExitCode
+RasterizerSupervisorThread::Entry()
+{
+ RasterizerSupervisor rasterSupervisor (this, m_pPhantomView, m_iNX, m_iNY, m_iNSample, m_dViewRatio, m_strLabel.c_str());
+
+ rasterSupervisor.start();
+ while (! rasterSupervisor.isDone() && ! rasterSupervisor.fail()) {
+ Sleep(100);
+ Yield();
+ }
+ if (rasterSupervisor.fail())
+ {
+ wxString msg ("Error starting Rasterizer supervisor: ");
+ msg += rasterSupervisor.getFailMessage().c_str();
+ msg += "\n";
+ wxCommandEvent eventLog (wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
+ eventLog.SetString( msg );
+ wxPostEvent( theApp->getMainFrame(), eventLog ); // send log event
+ }
+
+ while (! rasterSupervisor.workersDeleted()) {
+ Sleep(50);
+ rasterSupervisor.ProcessPendingEvents();
+ }
+
+ return reinterpret_cast<wxThread::ExitCode>(0);
+}
+
+void
+RasterizerSupervisorThread::OnExit()
+{
+}
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Class RasterizerSupervisor -- A Background Supervisor
+//
+/////////////////////////////////////////////////////////////////////
+
+RasterizerSupervisor::RasterizerSupervisor (SupervisorThread* pThread, PhantomFileView* pPhantomView, int iNX, int iNY,
+ int iNSample, double dViewRatio, const char* const pszLabel)
+ : m_pPhantomView(pPhantomView), m_pPhantomDoc(pPhantomView->GetDocument()),
+ m_iNX(iNX), m_iNY(iNY), m_iNSample(iNSample), m_dViewRatio(dViewRatio), m_pszLabel(pszLabel),
+ BackgroundSupervisor (pThread, pPhantomView->GetFrame(), pPhantomView->GetDocument(), "Rasterizing", iNX)
+{
+ m_vecpChildImageFiles.reserve (getNumWorkers());
+ for (unsigned int iThread = 0; iThread < getNumWorkers(); iThread++) {
+ m_vecpChildImageFiles[iThread] = new ImageFile;
+ }
+
+
+
+}
+
+RasterizerSupervisor::~RasterizerSupervisor()
+{
+ for (int i = 0; i < getNumWorkers(); i++)
+ delete m_vecpChildImageFiles[i];
+}
+
+BackgroundWorkerThread*
+RasterizerSupervisor::createWorker (int iThread, int iStartUnit, int iNumUnits)
+{
+ RasterizerWorker* pThread = new RasterizerWorker (this, iThread, iStartUnit, iNumUnits);
+ m_vecpChildImageFiles[iThread]->setArraySize (iNumUnits, m_iNY);
+ pThread->SetParameters (m_pPhantomView, m_vecpChildImageFiles[iThread], m_iNX, m_iNY, m_iNSample, m_dViewRatio);
+
+ return pThread;
+}
+
+void
+RasterizerSupervisor::onDone()
+{
+ wxCriticalSection doneSection;
+ wxCriticalSectionLocker critsect (doneSection);
+
+ ImageFileDocument* pImageDoc = theApp->newImageDoc();
+ if (! pImageDoc) {
+ sys_error (ERR_SEVERE, "Unable to create image file");
+ return;
+ }
+
+ ImageFile* pImageFile = getImageFile();
+ pImageDoc->setImageFile (pImageFile);
+ if (theApp->getAskDeleteNewDocs())
+ pImageDoc->Modify (true);
+ pImageDoc->UpdateAllViews (NULL);
+ if (ImageFileView* imageView = pImageDoc->getView()) {
+ imageView->OnUpdate (imageView, NULL);
+ imageView->getFrame()->SetFocus();
+ imageView->getFrame()->Show(true);
+ }
+ *theApp->getLog() << m_pszLabel << "\n";
+ pImageFile->labelAdd (m_pszLabel, getTimerEnd());
+
+ setDone();
+}
+
+
+ImageFile*
+RasterizerSupervisor::getImageFile()
+{
+ ImageFile* pImageFile = new ImageFile (m_iNX, m_iNY);
+
+ size_t iColSize = sizeof(ImageFileValue) * m_iNY;
+
+ ImageFileArray globalArray = pImageFile->getArray();
+ int iGlobalCol = 0;
+ for (int iw = 0; iw < getNumWorkers(); iw++) {
+ ImageFileArray childArray = m_vecpChildImageFiles[iw]->getArray();
+ for (int iCol = 0; iCol < m_vecpChildImageFiles[iw]->nx(); iCol++) {
+ memcpy (globalArray[iGlobalCol++], childArray[iCol], iColSize);
+ }
+ }
+ return (pImageFile);
+}
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Class RasterizerWorker -- A worker thread
+//
+/////////////////////////////////////////////////////////////////////
+
+void
+RasterizerWorker::SetParameters (PhantomFileView* pPhantomView, ImageFile* pImageFile, int iNX, int iNY, int iNSample, double dViewRatio)
+{
+ m_pImageFile = pImageFile;
+ m_iNX = iNX;
+ m_iNY = iNY;
+ m_pPhantomView = pPhantomView;
+ m_iNSample = iNSample;
+ m_dViewRatio = dViewRatio;
+}
+
+wxThread::ExitCode
+RasterizerWorker::Entry ()
+{
+ const Phantom& rPhantom = m_pPhantomView->GetDocument()->getPhantom();
+ wxCommandEvent eventProgress (wxEVT_COMMAND_MENU_SELECTED, BackgroundSupervisor::MSG_WORKER_THREAD_UNIT_TICK);
+ for (int iUnit = 0; iUnit < m_iNumUnits; iUnit++) {
+ if (TestDestroy()) {
+#ifdef DEBUG
+ if (theApp->getVerboseLogging()) {
+ wxString msg;
+ msg.Printf("Worker thread: Received destroy message at work unit #%d\n", iUnit);
+ wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
+ event.SetString( msg );
+ wxPostEvent( theApp->getMainFrame(), event );
+ }
+#endif
+ break;
+ }
+ rPhantom.convertToImagefile (*m_pImageFile, m_iNX, m_dViewRatio, m_iNSample, Trace::TRACE_NONE,
+ iUnit + m_iStartUnit, 1, iUnit);
+ wxPostEvent (m_pSupervisor, eventProgress);
+ }
+ wxCommandEvent eventDone (wxEVT_COMMAND_MENU_SELECTED, BackgroundSupervisor::MSG_WORKER_THREAD_DONE);
+ eventDone.SetInt (m_iThread); // Send back thread# that has finished
+ wxPostEvent (m_pSupervisor, eventDone);
+
+ while (! TestDestroy())
+ Sleep(100);
+
+ return reinterpret_cast<wxThread::ExitCode>(0);
+}
+
+void
+RasterizerWorker::OnExit ()
+{
+}
projects / ctsim.git / blobdiff