1 /*****************************************************************************
4 ** Name: dlgreconstruct.cpp
5 ** Purpose: Projection Collection Animation Dialog
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: August 2000
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2000 Kevin Rosenberg
12 ** $Id: dlgreconstruct.cpp,v 1.1 2000/09/02 05:13:57 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
29 #pragma implementation "dlgreconstruct.h"
32 // For compilers that support precompilation, includes "wx.h".
33 #include "wx/wxprec.h"
42 #include "wx/button.h"
43 #include "wx/stattext.h"
44 #include "wx/layout.h"
47 #include "wx/settings.h"
48 #include "wx/dcclient.h"
52 #include "dlgreconstruct.h"
56 static const int LAYOUT_X_MARGIN = 4;
57 static const int LAYOUT_Y_MARGIN = 4;
59 BEGIN_EVENT_TABLE(ReconstructDialog, wxDialog)
60 EVT_BUTTON(wxID_CANCEL, ReconstructDialog::OnCancel)
61 EVT_BUTTON(ID_BTN_PAUSE, ReconstructDialog::OnPause)
62 EVT_BUTTON(ID_BTN_STEP, ReconstructDialog::OnStep)
63 EVT_CLOSE(ReconstructDialog::OnClose)
64 EVT_PAINT(ReconstructDialog::OnPaint)
67 IMPLEMENT_CLASS(ReconstructDialog, wxDialog)
70 ReconstructDialog::ReconstructDialog (Reconstructor& rReconstruct, const Projections& rProj, ImageFile& rIF, const int iTrace, wxWindow *parent)
71 : 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)
76 while ( m_parentTop && m_parentTop->GetParent() )
77 m_parentTop = m_parentTop->GetParent();
79 m_btnAbort = new wxButton(this, wxID_CANCEL, _("Cancel"));
80 wxLayoutConstraints* c = new wxLayoutConstraints;
81 c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
82 c->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
84 wxSize sizeBtn = wxButton::GetDefaultSize();
85 c->width.Absolute(sizeBtn.x);
86 c->height.Absolute(sizeBtn.y);
88 m_btnAbort->SetConstraints(c);
90 m_btnPause = new wxButton (this, ID_BTN_PAUSE, wxString("Pause"));
91 wxLayoutConstraints* cPause = new wxLayoutConstraints;
92 cPause->right.SameAs(this, wxRight, 3*LAYOUT_X_MARGIN + sizeBtn.x);
93 cPause->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
94 cPause->width.Absolute(sizeBtn.x);
95 cPause->height.Absolute(sizeBtn.y);
96 m_btnPause->SetConstraints(cPause);
98 m_btnStep = new wxButton (this, ID_BTN_STEP, wxString("Step"));
99 wxLayoutConstraints* cStep = new wxLayoutConstraints;
100 cStep->right.SameAs(this, wxRight, 5*LAYOUT_X_MARGIN + sizeBtn.x * 2);
101 cStep->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
102 cStep->width.Absolute(sizeBtn.x);
103 cStep->height.Absolute(sizeBtn.y);
104 m_btnStep->SetConstraints(cStep);
109 wxSize sizeDlg (700,500);
110 if (sizeDlg.x != sizeDlg.y) {
111 sizeDlg.x = max(sizeDlg.x,sizeDlg.y);
112 sizeDlg.y = max(sizeDlg.x,sizeDlg.y);
115 m_iClientX = sizeDlg.x;
116 m_iClientY = sizeDlg.y;
117 SetClientSize(sizeDlg);
119 m_bitmap.Create (m_iClientX, m_iClientY); // save a copy of screen
120 m_pDC = new wxMemoryDC;
121 m_pDC->SelectObject (m_bitmap); // in memoryDC
122 m_pDC->SetFont (*wxSWISS_FONT);
124 this->GetClientSize(&x, &y);
125 m_pSGPDriver = new SGPDriver (dynamic_cast<wxDC*>(m_pDC), x, y);
126 m_pSGP = new SGP (*m_pSGPDriver);
128 Centre(wxCENTER_FRAME | wxBOTH);
131 m_parentTop->Enable(FALSE);
134 Enable(TRUE); // enable this window
136 wxYield(); // Update the display
138 m_pSGPDriver->idWX()->SetFont(*wxSWISS_FONT);
140 MacUpdateImmediately();
145 ReconstructDialog::showView (int iViewNumber)
147 if ( iViewNumber < m_rProjections.nView() ) {
148 wxYield(); // update the display
149 m_iLastView = iViewNumber;
150 m_pSGP->eraseWindow();
151 if (m_iTrace >= Trace::TRACE_PLOT)
152 m_pSGP->setViewport (0, 0, 1, 1);
153 char szProgress [256];
154 snprintf (szProgress, sizeof(szProgress), "Reconstructing View %d (%.1f%%)", iViewNumber, 100 * iViewNumber / static_cast<double>(m_rProjections.nView()));
156 m_pSGP->setTextColor (C_LTRED, -1);
157 m_pSGP->getTextExtent (szProgress, &wText, &hText);
158 double xw_max, xw_min, yw_max, yw_min;
159 m_pSGP->getWindow (xw_min, yw_min, xw_max, yw_max);
160 m_pSGP->moveAbs ((xw_max - xw_min) / 2 + xw_min - wText / 2, yw_max - hText);
161 m_pSGP->drawText (szProgress);
162 if (m_iTrace >= Trace::TRACE_PLOT)
163 m_pSGP->setViewport (0, .1, 0.66, 1);
164 m_rReconstructor.reconstructView (iViewNumber, 1, m_pSGP);
167 m_pDC->SelectObject (wxNullBitmap);
169 m_pDC->SelectObject (m_bitmap);
175 ReconstructDialog::reconstructView (int iViewNumber)
177 showView (iViewNumber);
178 wxYield(); // update the display
179 if (m_iTrace >= Trace::TRACE_PLOT)
182 m_state = Finished; // so that we return TRUE below and
183 } // that [Cancel] handler knew what to do
186 MacUpdateImmediately();
189 return m_state != Cancelled;
195 void ReconstructDialog::OnCancel (wxCommandEvent& event)
197 if ( m_state == Finished ) {
198 // this means that the count down is already finished and we're being
199 // shown as a modal dialog - so just let the default handler do the job
202 // request to cancel was received, the next time Update() is called we
206 // update the button state immediately so that the user knows that the
207 // request has been noticed
208 m_btnAbort->Disable();
214 ReconstructDialog::OnPause (wxCommandEvent& event)
216 if ( m_state == Finished ) {
217 // this means that the count down is already finished and we're being
218 // shown as a modal dialog - so just let the default handler do the job
221 if (m_state == Continue) {
223 m_btnPause->SetLabel (wxString("Resume"));
224 } else if (m_state == Paused) {
226 m_btnPause->SetLabel (wxString("Pause"));
232 ReconstructDialog::OnStep (wxCommandEvent& event)
234 if ( m_state == Finished ) {
237 if (m_state == Continue) {
239 m_btnPause->SetLabel (wxString("Resume"));
240 } else if (m_state == Paused) {
241 reconstructView (m_iLastView + 1);
246 void ReconstructDialog::OnClose(wxCloseEvent& event)
248 if ( m_state == Uncancellable )
249 event.Veto(TRUE); // can't close this dialog
250 else if ( m_state == Finished )
251 event.Skip(); // let the default handler close the window as we already terminated
253 m_state = Cancelled; // next Update() will notice it
257 ReconstructDialog::OnPaint (wxPaintEvent& event)
259 wxPaintDC paintDC (this);
260 if (m_state == Paused) {
261 paintDC.DrawBitmap(m_bitmap, 0, 0, false);
266 /////////////////////////////////////////////////////
269 ReconstructDialog::~ReconstructDialog()
272 m_parentTop->Enable(TRUE);