1 /*****************************************************************************
4 ** Name: dlgprojections.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: dlgprojections.cpp,v 1.6 2000/09/07 14:29:05 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 "dlgprojections.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 "dlgprojections.h"
56 static const int LAYOUT_X_MARGIN = 4;
57 static const int LAYOUT_Y_MARGIN = 4;
59 BEGIN_EVENT_TABLE(ProjectionsDialog, wxDialog)
60 EVT_BUTTON(wxID_CANCEL, ProjectionsDialog::OnCancel)
61 EVT_BUTTON(ProjectionsDialog::ID_BTN_PAUSE, ProjectionsDialog::OnPause)
62 EVT_BUTTON(ProjectionsDialog::ID_BTN_STEP, ProjectionsDialog::OnStep)
63 EVT_CLOSE(ProjectionsDialog::OnClose)
64 EVT_PAINT(ProjectionsDialog::OnPaint)
67 IMPLEMENT_CLASS(ProjectionsDialog, wxDialog)
70 ProjectionsDialog::ProjectionsDialog (Scanner& rScanner, Projections& rProj, const Phantom& rPhantom, const int iTrace, wxWindow *parent)
71 : wxDialog(parent, -1, "Collect Projections", wxDefaultPosition), m_rScanner(rScanner), m_rProjections(rProj), m_rPhantom(rPhantom), 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 (500,500);
110 if (sizeDlg.x != sizeDlg.y) {
111 sizeDlg.x = max(sizeDlg.x,sizeDlg.y);
112 sizeDlg.y = max(sizeDlg.x,sizeDlg.y);
114 if (m_iTrace >= Trace::TRACE_PLOT)
117 m_iClientX = sizeDlg.x;
118 m_iClientY = sizeDlg.y;
119 SetClientSize(sizeDlg);
120 m_bitmap.Create (m_iClientX, m_iClientY); // save a copy of screen
122 Centre(wxCENTER_FRAME | wxBOTH);
125 m_parentTop->Enable(FALSE);
128 Enable(TRUE); // enable this window
130 m_pDC = dynamic_cast<wxDC*> (new wxClientDC (this));
132 this->GetClientSize(&x, &y);
133 m_pSGPDriver = new SGPDriver (m_pDC, x, y);
134 m_pSGP = new SGP (*m_pSGPDriver);
136 wxYield(); // Update the display
138 m_pSGPDriver->idWX()->SetFont(*wxSWISS_FONT);
140 MacUpdateImmediately();
145 ProjectionsDialog::showView (int iViewNumber)
147 if ( iViewNumber < m_rProjections.nView() ) {
148 ::wxYield(); // update the display
149 m_iLastView = iViewNumber;
150 if (m_iTrace >= Trace::TRACE_PLOT)
151 m_pSGP->setViewport (0, 0, 0.66, 1);
152 ::wxYield(); // update the display
153 m_rScanner.collectProjections (m_rProjections, m_rPhantom, iViewNumber, 1, true, m_iTrace, m_pSGP);
154 ::wxYield(); // update the display
155 if (m_iTrace >= Trace::TRACE_PLOT) {
156 const DetectorArray& detArray = m_rProjections.getDetectorArray (iViewNumber);
157 const DetectorValue* detValues = detArray.detValues();
158 double detPos [detArray.nDet()];
159 for (int i = 0; i < detArray.nDet(); i++)
161 EZPlot ezplot (*m_pSGP);
162 ezplot.ezset("xporigin 0.66");
163 ezplot.ezset("yporigin 0.10");
164 ezplot.ezset("xlength 0.34");
165 ezplot.ezset("ylength 0.90");
166 ezplot.ezset("grid");
168 ezplot.addCurve (detValues, detPos, detArray.nDet());
175 ProjectionsDialog::projectView (int iViewNumber)
177 if (iViewNumber <= m_iLastView) // already done this view
180 if (iViewNumber < m_rProjections.nView()) {
181 showView (iViewNumber);
182 wxYield(); // update the display
183 if (m_iTrace >= Trace::TRACE_PLOT) {
187 m_state = Finished; // so that we return TRUE below and
188 // that [Cancel] handler knew what to do
192 MacUpdateImmediately();
195 return m_state != Cancelled;
201 void ProjectionsDialog::OnCancel (wxCommandEvent& event)
203 if ( m_state == Finished ) {
204 // this means that the count down is already finished and we're being
205 // shown as a modal dialog - so just let the default handler do the job
208 // request to cancel was received, the next time Update() is called we
212 // update the button state immediately so that the user knows that the
213 // request has been noticed
214 m_btnAbort->Disable();
220 ProjectionsDialog::OnPause (wxCommandEvent& event)
222 if ( m_state == Finished ) {
223 // this means that the count down is already finished and we're being
224 // shown as a modal dialog - so just let the default handler do the job
227 if (m_state == Continue) {
228 m_memoryDC.SelectObject (m_bitmap); // in memoryDC
229 m_pSGP->setDC (&m_memoryDC);
230 m_memoryDC.SetFont (*wxSWISS_FONT);
231 showView (m_iLastView);
232 m_pSGP->setDC (m_pDC);
233 m_memoryDC.SelectObject(wxNullBitmap);
235 m_btnPause->SetLabel (wxString("Resume"));
236 } else if (m_state == Paused) {
238 m_btnPause->SetLabel (wxString("Pause"));
244 ProjectionsDialog::OnStep (wxCommandEvent& event)
246 if ( m_state == Finished ) {
247 // this means that the count down is already finished and we're being
248 // shown as a modal dialog - so just let the default handler do the job
251 if (m_state == Continue) {
252 m_memoryDC.SelectObject (m_bitmap); // in memoryDC
253 m_pSGP->setDC (&m_memoryDC);
254 m_memoryDC.SetFont (*wxSWISS_FONT);
255 m_rScanner.collectProjections (m_rProjections, m_rPhantom, m_iLastView, 1, true, m_iTrace, m_pSGP);
256 m_pSGP->setDC (m_pDC);
257 m_memoryDC.SelectObject(wxNullBitmap);
259 m_btnPause->SetLabel (wxString("Resume"));
260 } else if (m_state == Paused) {
261 projectView (m_iLastView + 1);
266 void ProjectionsDialog::OnClose(wxCloseEvent& event)
268 if ( m_state == Uncancellable )
269 event.Veto(TRUE); // can't close this dialog
270 else if ( m_state == Finished )
271 event.Skip(); // let the default handler close the window as we already terminated
273 m_state = Cancelled; // next Update() will notice it
277 ProjectionsDialog::OnPaint (wxPaintEvent& event)
279 wxPaintDC paintDC (this);
280 if (m_state == Paused) {
281 paintDC.DrawBitmap(m_bitmap, 0, 0, false);
286 /////////////////////////////////////////////////////
289 ProjectionsDialog::~ProjectionsDialog()
292 m_parentTop->Enable(TRUE);