+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: dlgreconstruct.cpp
+** Purpose: Projection Collection Animation Dialog
+** Programmer: Kevin Rosenberg
+** Date Started: August 2000
+**
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: dlgreconstruct.cpp,v 1.1 2000/09/02 05:13:57 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
+******************************************************************************/
+
+#ifdef __GNUG__
+ #pragma implementation "dlgreconstruct.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/utils.h"
+ #include "wx/frame.h"
+ #include "wx/button.h"
+ #include "wx/stattext.h"
+ #include "wx/layout.h"
+ #include "wx/event.h"
+ #include "wx/intl.h"
+ #include "wx/settings.h"
+ #include "wx/dcclient.h"
+ #include "wx/timer.h"
+#endif
+
+#include "dlgreconstruct.h"
+#include "ct.h"
+
+
+static const int LAYOUT_X_MARGIN = 4;
+static const int LAYOUT_Y_MARGIN = 4;
+
+BEGIN_EVENT_TABLE(ReconstructDialog, wxDialog)
+ EVT_BUTTON(wxID_CANCEL, ReconstructDialog::OnCancel)
+ EVT_BUTTON(ID_BTN_PAUSE, ReconstructDialog::OnPause)
+ EVT_BUTTON(ID_BTN_STEP, ReconstructDialog::OnStep)
+ EVT_CLOSE(ReconstructDialog::OnClose)
+ EVT_PAINT(ReconstructDialog::OnPaint)
+END_EVENT_TABLE()
+
+IMPLEMENT_CLASS(ReconstructDialog, wxDialog)
+
+
+ReconstructDialog::ReconstructDialog (Reconstructor& rReconstruct, const Projections& rProj, ImageFile& rIF, const int iTrace, wxWindow *parent)
+ : wxDialog(parent, -1, "Collect Projections"), m_rReconstructor(rReconstruct), m_rProjections(rProj), m_rImageFile(rIF), m_pSGPDriver(NULL), m_pSGP(NULL), m_iTrace(iTrace), m_pDC(NULL), m_btnAbort(0), m_btnPause(0), m_btnStep(0)
+{
+ m_state = Continue;
+ m_iLastView = -1;
+ m_parentTop = parent;
+ while ( m_parentTop && m_parentTop->GetParent() )
+ m_parentTop = m_parentTop->GetParent();
+
+ m_btnAbort = new wxButton(this, wxID_CANCEL, _("Cancel"));
+ wxLayoutConstraints* c = new wxLayoutConstraints;
+ c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
+ c->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
+
+ wxSize sizeBtn = wxButton::GetDefaultSize();
+ c->width.Absolute(sizeBtn.x);
+ c->height.Absolute(sizeBtn.y);
+
+ m_btnAbort->SetConstraints(c);
+
+ m_btnPause = new wxButton (this, ID_BTN_PAUSE, wxString("Pause"));
+ wxLayoutConstraints* cPause = new wxLayoutConstraints;
+ cPause->right.SameAs(this, wxRight, 3*LAYOUT_X_MARGIN + sizeBtn.x);
+ cPause->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
+ cPause->width.Absolute(sizeBtn.x);
+ cPause->height.Absolute(sizeBtn.y);
+ m_btnPause->SetConstraints(cPause);
+
+ m_btnStep = new wxButton (this, ID_BTN_STEP, wxString("Step"));
+ wxLayoutConstraints* cStep = new wxLayoutConstraints;
+ cStep->right.SameAs(this, wxRight, 5*LAYOUT_X_MARGIN + sizeBtn.x * 2);
+ cStep->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
+ cStep->width.Absolute(sizeBtn.x);
+ cStep->height.Absolute(sizeBtn.y);
+ m_btnStep->SetConstraints(cStep);
+
+ SetAutoLayout(TRUE);
+ Layout();
+
+ wxSize sizeDlg (700,500);
+ if (sizeDlg.x != sizeDlg.y) {
+ sizeDlg.x = max(sizeDlg.x,sizeDlg.y);
+ sizeDlg.y = max(sizeDlg.x,sizeDlg.y);
+ }
+
+ m_iClientX = sizeDlg.x;
+ m_iClientY = sizeDlg.y;
+ SetClientSize(sizeDlg);
+
+ m_bitmap.Create (m_iClientX, m_iClientY); // save a copy of screen
+ m_pDC = new wxMemoryDC;
+ m_pDC->SelectObject (m_bitmap); // in memoryDC
+ m_pDC->SetFont (*wxSWISS_FONT);
+ int x, y;
+ this->GetClientSize(&x, &y);
+ m_pSGPDriver = new SGPDriver (dynamic_cast<wxDC*>(m_pDC), x, y);
+ m_pSGP = new SGP (*m_pSGPDriver);
+
+ Centre(wxCENTER_FRAME | wxBOTH);
+
+ if ( m_parentTop )
+ m_parentTop->Enable(FALSE);
+
+ Show(TRUE);
+ Enable(TRUE); // enable this window
+
+ wxYield(); // Update the display
+
+ m_pSGPDriver->idWX()->SetFont(*wxSWISS_FONT);
+#ifdef __WXMAC__
+ MacUpdateImmediately();
+#endif
+}
+
+void
+ReconstructDialog::showView (int iViewNumber)
+{
+ if ( iViewNumber < m_rProjections.nView() ) {
+ wxYield(); // update the display
+ m_iLastView = iViewNumber;
+ m_pSGP->eraseWindow();
+ if (m_iTrace >= Trace::TRACE_PLOT)
+ m_pSGP->setViewport (0, 0, 1, 1);
+ char szProgress [256];
+ snprintf (szProgress, sizeof(szProgress), "Reconstructing View %d (%.1f%%)", iViewNumber, 100 * iViewNumber / static_cast<double>(m_rProjections.nView()));
+ double wText, hText;
+ m_pSGP->setTextColor (C_LTRED, -1);
+ m_pSGP->getTextExtent (szProgress, &wText, &hText);
+ double xw_max, xw_min, yw_max, yw_min;
+ m_pSGP->getWindow (xw_min, yw_min, xw_max, yw_max);
+ m_pSGP->moveAbs ((xw_max - xw_min) / 2 + xw_min - wText / 2, yw_max - hText);
+ m_pSGP->drawText (szProgress);
+ if (m_iTrace >= Trace::TRACE_PLOT)
+ m_pSGP->setViewport (0, .1, 0.66, 1);
+ m_rReconstructor.reconstructView (iViewNumber, 1, m_pSGP);
+
+ ::wxYield();
+ m_pDC->SelectObject (wxNullBitmap);
+ Refresh();
+ m_pDC->SelectObject (m_bitmap);
+ ::wxYield();
+ }
+}
+
+bool
+ReconstructDialog::reconstructView (int iViewNumber)
+{
+ showView (iViewNumber);
+ wxYield(); // update the display
+ if (m_iTrace >= Trace::TRACE_PLOT)
+ sleep(1);
+ else {
+ m_state = Finished; // so that we return TRUE below and
+ } // that [Cancel] handler knew what to do
+
+#ifdef __WXMAC__
+ MacUpdateImmediately();
+#endif
+
+ return m_state != Cancelled;
+}
+
+
+// EVENT HANDLERS
+
+void ReconstructDialog::OnCancel (wxCommandEvent& event)
+{
+ if ( m_state == Finished ) {
+ // this means that the count down is already finished and we're being
+ // shown as a modal dialog - so just let the default handler do the job
+ event.Skip();
+ } else {
+ // request to cancel was received, the next time Update() is called we
+ // will handle it
+ m_state = Cancelled;
+
+ // update the button state immediately so that the user knows that the
+ // request has been noticed
+ m_btnAbort->Disable();
+ }
+}
+
+
+void
+ReconstructDialog::OnPause (wxCommandEvent& event)
+{
+ if ( m_state == Finished ) {
+ // this means that the count down is already finished and we're being
+ // shown as a modal dialog - so just let the default handler do the job
+ event.Skip();
+ } else {
+ if (m_state == Continue) {
+ m_state = Paused;
+ m_btnPause->SetLabel (wxString("Resume"));
+ } else if (m_state == Paused) {
+ m_state = Continue;
+ m_btnPause->SetLabel (wxString("Pause"));
+ }
+ }
+}
+
+void
+ReconstructDialog::OnStep (wxCommandEvent& event)
+{
+ if ( m_state == Finished ) {
+ event.Skip();
+ } else {
+ if (m_state == Continue) {
+ m_state = Paused;
+ m_btnPause->SetLabel (wxString("Resume"));
+ } else if (m_state == Paused) {
+ reconstructView (m_iLastView + 1);
+ }
+ }
+}
+
+void ReconstructDialog::OnClose(wxCloseEvent& event)
+{
+ if ( m_state == Uncancellable )
+ event.Veto(TRUE); // can't close this dialog
+ else if ( m_state == Finished )
+ event.Skip(); // let the default handler close the window as we already terminated
+ else
+ m_state = Cancelled; // next Update() will notice it
+}
+
+void
+ReconstructDialog::OnPaint (wxPaintEvent& event)
+{
+ wxPaintDC paintDC (this);
+ if (m_state == Paused) {
+ paintDC.DrawBitmap(m_bitmap, 0, 0, false);
+ }
+}
+
+
+/////////////////////////////////////////////////////
+// destruction
+
+ReconstructDialog::~ReconstructDialog()
+{
+ if ( m_parentTop )
+ m_parentTop->Enable(TRUE);
+
+ delete m_pSGP;
+ delete m_pSGPDriver;
+ delete m_pDC;
+}
+
projects / ctsim.git / commitdiff