1 /*****************************************************************************
4 ** Name: graph3dview.cpp
5 ** Purpose: 3d graph view classes
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: Jan 2001
9 ** This is part of the CTSim program
10 ** Copyright (c) 1983-2001 Kevin Rosenberg
12 ** $Id: graph3dview.cpp,v 1.34 2003/01/30 22:02:30 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 ******************************************************************************/
28 #include "wx/wxprec.h"
37 #error Please set wxUSE_GLCANVAS to 1 in setup.h.
41 #include "wx/glcanvas.h"
51 #include "dlgprojections.h"
52 #include "dlgreconstruct.h"
53 #include "backprojectors.h"
54 #include "reconstruct.h"
57 #if defined(MSVC) || HAVE_SSTREAM
60 #include <sstream_subst>
64 Graph3dFileView::intensityToColor (double dIntensity, GLfloat* vecColor)
66 if (dIntensity < 0 || dIntensity > 1) {
67 vecColor[0] = vecColor[1] = vecColor[2] = 1;
71 float fRange = dIntensity * 5;
72 int iRange = static_cast<int>(floor (fRange));
73 float fFrac = fRange - iRange;
75 // Rainbow: Purple->Blue->Cyan->Green->Yellow->Red = (1,0,1)-(0,0,1)-(0,1,1)-(0,1,0)-(1,1,0)-(1,0,0)
78 vecColor[0] = 1.0f - fFrac; vecColor[1] = 0.0f; vecColor[2] = 1.0f;
81 vecColor[0] = 0.0f; vecColor[1] = fFrac; vecColor[2] = 1.0f;
84 vecColor[0] = 0.0f; vecColor[1] = 1.0f; vecColor[2] = 1.0f - fFrac;
87 vecColor[0] = fFrac; vecColor[1] = 1.0f; vecColor[2] = 0.0f;
90 vecColor[0] = 1.0f; vecColor[1] = 1.0f - fFrac; vecColor[2] = 0.0f;
93 vecColor[0] = 1.0f; vecColor[1] = 0.0f; vecColor[2] = 0.0f;
98 //***********************************************************************
99 // Function: CalculateVectorNormal
101 // Purpose: Given three points of a 3D plane, this function calculates
102 // the normal vector of that plane.
105 // fVert1[] == array for 1st point (3 elements are x, y, and z).
106 // fVert2[] == array for 2nd point (3 elements are x, y, and z).
107 // fVert3[] == array for 3rd point (3 elements are x, y, and z).
110 // fNormalX == X vector for the normal vector
111 // fNormalY == Y vector for the normal vector
112 // fNormalZ == Z vector for the normal vector
113 //*************************************************************************
117 CalculateVectorNormal (T fVert1[], T fVert2[], T fVert3[], T *fNormalX, T *fNormalY, T *fNormalZ)
119 T Qx = fVert2[0] - fVert1[0];
120 T Qy = fVert2[1] - fVert1[1];
121 T Qz = fVert2[2] - fVert1[2];
122 T Px = fVert3[0] - fVert1[0];
123 T Py = fVert3[1] - fVert1[1];
124 T Pz = fVert3[2] - fVert1[2];
126 *fNormalX = Py*Qz - Pz*Qy;
127 *fNormalY = Pz*Qx - Px*Qz;
128 *fNormalZ = Px*Qy - Py*Qx;
131 IMPLEMENT_DYNAMIC_CLASS(Graph3dFileView, wxView)
133 BEGIN_EVENT_TABLE(Graph3dFileView, wxView)
134 EVT_MENU(IFMENU_FILE_PROPERTIES, Graph3dFileView::OnProperties)
135 EVT_MENU(GRAPH3D_VIEW_LIGHTING, Graph3dFileView::OnLighting)
136 EVT_MENU(GRAPH3D_VIEW_COLOR, Graph3dFileView::OnColor)
137 EVT_MENU(GRAPH3D_VIEW_SMOOTH, Graph3dFileView::OnSmooth)
138 EVT_MENU(GRAPH3D_VIEW_WIREFRAME, Graph3dFileView::OnWireframe)
139 EVT_MENU(GRAPH3D_VIEW_SCALE_MINMAX, Graph3dFileView::OnScaleSet)
140 EVT_MENU(GRAPH3D_VIEW_SCALE_AUTO, Graph3dFileView::OnScaleAuto)
141 EVT_MENU(GRAPH3D_VIEW_SCALE_FULL, Graph3dFileView::OnScaleFull)
144 Graph3dFileView::Graph3dFileView ()
145 : m_pFileMenu(NULL), m_pViewMenu(NULL), m_pStatusBar(NULL), m_pCanvas(NULL),
146 m_dXRotate(-180), m_dYRotate(-210), m_dZRotate(195),
147 m_bDoubleBuffer(true), m_bSmooth(true), m_bWireframe(false),
148 m_bLighting(true), m_bColor(true), m_bUseVertexArrays(false),
149 m_bColorScaleMinSet(false), m_bColorScaleMaxSet(false),
154 Graph3dFileView::~Graph3dFileView()
156 GetDocumentManager()->FileHistoryRemoveMenu (m_pFileMenu);
157 GetDocumentManager()->ActivateView(this, false, true);
161 Graph3dFileView::OnCreate (wxDocument *doc, long WXUNUSED(flags) )
163 m_pFrame = CreateChildFrame(doc, this);
165 m_pCanvas = CreateCanvas (m_pFrame);
167 m_pFrame->SetClientSize (m_pCanvas->GetBestSize());
168 m_pCanvas->SetClientSize (m_pCanvas->GetBestSize());
169 m_pFrame->SetTitle("Graph3dFileView");
171 m_pCanvas->SetCurrent();
173 m_pCanvas->SwapBuffers();
175 m_pViewMenu->Check (GRAPH3D_VIEW_COLOR, m_bColor);
176 m_pViewMenu->Check (GRAPH3D_VIEW_LIGHTING, m_bLighting);
177 m_pViewMenu->Check (GRAPH3D_VIEW_SMOOTH, m_bSmooth);
178 m_pViewMenu->Check (GRAPH3D_VIEW_WIREFRAME, m_bWireframe);
180 m_pFrame->SetFocus();
181 m_pFrame->Show(true);
188 Graph3dFileView::CreateCanvas (wxFrame* parent)
190 Graph3dFileCanvas* pCanvas = new Graph3dFileCanvas (this, parent, wxPoint(-1,-1), wxSize(-1,-1), 0);
192 pCanvas->SetBackgroundColour(*wxWHITE);
200 Graph3dFileView::DrawSurface()
206 glShadeModel (GL_SMOOTH);
208 glShadeModel (GL_FLAT);
212 glEnable (GL_LIGHTING);
214 glDisable (GL_LIGHTING);
217 unsigned int nx = GetDocument()->nx();
218 unsigned int ny = GetDocument()->ny();
220 glRotated (m_dZRotate, 0.0, 1.0, 0.0);
221 glRotated (m_dXRotate, 0.0, 0.0, 1.0);
222 glRotated (m_dYRotate, 1.0, 0.0, 0.0);
223 glTranslated (-static_cast<double>(nx - 1) / 2, 0.0, -static_cast<double>(ny - 1) / 2);
228 glColor3f (1.0f, 1.0f, 1.0f);
229 glPolygonOffset (1.0f, 1.0f);
230 glEnable (GL_POLYGON_OFFSET_FILL);
231 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
232 glCallList (DISPLAYLIST_COLOR);
234 glColor3f (0.0f, 0.0f, 0.0f);
235 glPolygonOffset (0.0f, 0.0f);
236 glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
237 glCallList (DISPLAYLIST_NO_COLOR);
239 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
241 glColor3f (1.0f, 1.0f, 1.0f);
242 glCallList (DISPLAYLIST_NO_COLOR);
244 glCallList (DISPLAYLIST_COLOR);
250 Graph3dFileView::CreateDisplayList()
255 unsigned int nx = GetDocument()->nx();
256 unsigned int ny = GetDocument()->ny();
257 const ImageFileArrayConst v = GetDocument()->getArray();
258 if (nx == 0 || ny == 0 || ! v)
261 glNewList (DISPLAYLIST_COLOR, GL_COMPILE);
263 double dMin = m_dColorScaleMin;
264 double dIntensityScale = m_dColorScaleMax - m_dColorScaleMin;
265 double actOffset = m_dGraphMin;
266 double actScale = 0.4 * sqrt(nx*nx+ny*ny) / (m_dGraphMax - m_dGraphMin);
267 double dXOffset = -(static_cast<double>(nx) - 1) / 2.;
268 double dYOffset = -(static_cast<double>(ny) - 1) / 2.;
272 double dXPos = -dXOffset;
274 for (ix = 0; ix < nx - 1; ix++, dXPos++) {
275 double dYPos = -dYOffset;
276 glBegin(GL_QUAD_STRIP);
277 double p1[3], p2[3], p3[3], n1[3];
278 p1[0] = dXPos; p1[1] = actScale * (v[ix][0] + actOffset); p1[2] = dYPos;
279 p2[0] = dXPos+1; p2[1] = actScale * (v[ix+1][0] + actOffset); p2[2] = dYPos;
280 p3[0] = dXPos; p3[1] = actScale * (v[ix][1] + actOffset); p3[2] = dYPos + 1;
281 CalculateVectorNormal<double> (p1, p2, p3, &n1[0], &n1[1], &n1[2]);
283 double dIntensity1 = 0., dIntensity2 = 0.;
285 dIntensity1 = (v[ix][0] - dMin) / dIntensityScale;
286 dIntensity2 = (v[ix+1][0] - dMin) / dIntensityScale;
290 intensityToColor (dIntensity1, vecColor);
291 glColor3fv (vecColor);
293 glVertex3dv (p1); glNormal3dv (n1);
295 intensityToColor (dIntensity2, vecColor);
296 glColor3fv (vecColor);
298 glVertex3dv (p2); glNormal3dv (n1);
301 lastP[0] = ix; lastP[1] = actScale * (v[ix][0] + actOffset); lastP[2] = 0;
302 for (unsigned int iy = 1; iy < ny - 1; iy++, dYPos++) {
303 p1[0] = dXPos; p1[1] = actScale * (v[ix][iy] + actOffset); p1[2] = dYPos;
304 p2[0] = dXPos+1; p2[1] = actScale * (v[ix+1][iy] + actOffset); p2[2] = dYPos;
305 CalculateVectorNormal (p1, p2, lastP, &n1[0], &n1[1], &n1[2]);
306 lastP[0] = p1[0]; lastP[1] = p1[1]; lastP[2] = p1[2];
308 dIntensity1 = (v[ix][iy] - dMin) / dIntensityScale;
309 dIntensity2 = (v[ix+1][iy] - dMin) / dIntensityScale;
310 intensityToColor (dIntensity1, vecColor);
311 glColor3fv (vecColor);
313 glVertex3dv (p1); glNormal3dv (n1);
315 intensityToColor (dIntensity2, vecColor);
316 glColor3fv (vecColor);
318 glVertex3dv (p2); glNormal3dv (n1);
320 glEnd(); // QUAD_STRIP
325 glNewList (DISPLAYLIST_NO_COLOR, GL_COMPILE);
327 for (ix = 0; ix < nx - 1; ix++, dXPos++) {
328 double dYPos = -dYOffset;
329 glBegin(GL_QUAD_STRIP);
330 double p1[3], p2[3], p3[3], n1[3];
331 p1[0] = dXPos; p1[1] = actScale * (v[ix][0] + actOffset); p1[2] = dYPos;
332 p2[0] = dXPos+1; p2[1] = actScale * (v[ix+1][0] + actOffset); p2[2] = dYPos;
333 p3[0] = dXPos; p3[1] = actScale * (v[ix][1] + actOffset); p3[2] = dYPos + 1;
334 CalculateVectorNormal<double> (p1, p2, p3, &n1[0], &n1[1], &n1[2]);
341 lastP[0] = ix; lastP[1] = actScale * (v[ix][0] + actOffset); lastP[2] = 0;
342 for (unsigned int iy = 1; iy < ny - 1; iy++, dYPos++) {
343 p1[0] = dXPos; p1[1] = actScale * (v[ix][iy] + actOffset); p1[2] = dYPos;
344 p2[0] = dXPos+1; p2[1] = actScale * (v[ix+1][iy] + actOffset); p2[2] = dYPos;
345 CalculateVectorNormal (p1, p2, lastP, &n1[0], &n1[1], &n1[2]);
346 lastP[0] = p1[0]; lastP[1] = p1[1]; lastP[2] = p1[2];
347 glVertex3dv (p1); glNormal3dv (n1);
348 glVertex3dv (p2); glNormal3dv (n1);
350 glEnd(); // QUAD_STRIP
357 Graph3dFileView::OnProperties (wxCommandEvent& event)
359 std::ostringstream os;
360 *theApp->getLog() << ">>>>\n" << os.str().c_str() << "<<<<\n";
361 wxMessageDialog dialogMsg (getFrameForChild(), os.str().c_str(),
362 "Imagefile Properties", wxOK | wxICON_INFORMATION);
363 dialogMsg.ShowModal();
367 Graph3dFileView::OnLighting (wxCommandEvent& event)
369 m_bLighting = ! m_bLighting;
370 m_pViewMenu->Check (GRAPH3D_VIEW_LIGHTING, m_bLighting);
371 m_pCanvas->Refresh();
375 Graph3dFileView::OnWireframe (wxCommandEvent& event)
377 m_bWireframe = ! m_bWireframe;
378 m_pViewMenu->Check (GRAPH3D_VIEW_WIREFRAME, m_bWireframe);
379 m_pCanvas->Refresh();
383 Graph3dFileView::OnColor (wxCommandEvent& event)
385 m_bColor = ! m_bColor;
386 m_pViewMenu->Check (GRAPH3D_VIEW_COLOR, m_bColor);
387 m_pCanvas->Refresh();
391 Graph3dFileView::OnSmooth (wxCommandEvent& event)
393 m_bSmooth = ! m_bSmooth;
394 m_pViewMenu->Check (GRAPH3D_VIEW_SMOOTH, m_bSmooth);
395 m_pCanvas->Refresh();
401 Graph3dFileView::OnDraw (wxDC* dc)
404 m_pCanvas->SetCurrent();
406 *theApp->getLog() << "Drawing 3d surface\n";
409 m_pCanvas->SwapBuffers();
413 std::ostringstream os;
414 os << "Xangle=" << m_dXRotate << ", Yangle=" << m_dYRotate
415 << ", Zangle=" << m_dZRotate;
416 m_pStatusBar->SetStatusText (os.str().c_str());
422 Graph3dFileView::Draw ()
424 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
433 Graph3dFileView::InitMaterials()
437 int nx = GetDocument()->nx();
438 int ny = GetDocument()->ny();
441 static float ambient[] = {0.1f, 0.1f, 0.1f, 1.0f};
442 static float diffuse[] = {1.0f, 1.0f, 1.0f, 1.0f};
443 static float position0[] = {-nx/2, -ny/2, ny/2, 0.0f, 0.0f};
444 static float position1[] = {-nx/2, -ny/2, -ny/2, 0.0f};
445 static float ambient1[] = {0.5f, 0.5f, 0.5f, 1.0f};
446 static float diffuse1[] = {1.0f, 1.0f, 1.0f, 1.0f};
447 // static float position0[] = {0.0f, 0.0f, 20.0f, 0.0f};
448 // static float position1[] = {0.0f, 0.0f, -20.0f, 0.0f};
449 static float front_mat_shininess[] = {5.0f};
450 static float front_mat_specular[] = {0.1f, 0.1f, 0.1f, 1.0f};
451 static float front_mat_diffuse[] = {0.3f, 0.3f, 0.3f, 1.0f};
453 static float back_mat_shininess[] = {60.0f};
454 static float back_mat_specular[] = {0.2f, 0.2f, 0.2f, 1.0f};
455 static float back_mat_diffuse[] = {1.0f, 1.0f, 1.0f, 1.0f};
457 static float lmodel_ambient[] = {1.0f, 1.0f, 1.0f, 1.0f};
458 static float lmodel_twoside[] = {GL_FALSE};
460 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
461 glHint(GL_LINE_SMOOTH, GL_DONT_CARE);
462 glEnable(GL_NORMALIZE);
464 glLightfv (GL_LIGHT0, GL_AMBIENT, ambient);
465 glLightfv (GL_LIGHT0, GL_DIFFUSE, diffuse);
466 glLightfv (GL_LIGHT0, GL_POSITION, position0);
467 glEnable (GL_LIGHT0);
469 glLightfv (GL_LIGHT1, GL_AMBIENT, ambient1);
470 glLightfv (GL_LIGHT1, GL_DIFFUSE, diffuse1);
471 glLightfv (GL_LIGHT1, GL_POSITION, position1);
472 glEnable (GL_LIGHT1);
474 glLightModelfv (GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
475 glLightModelfv (GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
477 glMaterialfv (GL_FRONT_AND_BACK, GL_SHININESS, front_mat_shininess);
478 glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR, front_mat_specular);
479 glMaterialfv (GL_FRONT_AND_BACK, GL_DIFFUSE, front_mat_diffuse);
481 glColorMaterial (GL_FRONT_AND_BACK, GL_DIFFUSE);
482 // glColorMaterial (GL_FRONT_AND_BACK, GL_SPECULAR);
483 glEnable(GL_COLOR_MATERIAL);
485 GLfloat impLPos[] = {1.0f, 1.0f, 1.0f, 0.0f};
487 GLfloat defaultLightAmb [] = {.2f, .2f, .2f, 1.0f};
488 GLfloat defaultLightDiff [] = {.2f, .2f, .2f, 1.0f};
489 GLfloat defaultLightSpec [] = { .3f, .3f, .3f, 1.0f};
491 GLfloat defaultGlobalAmb [] = {.3f, .3f, .3f, 1.0f};
492 GLfloat defaultGlobalDiff[] = {.3f, .3f, .3f, 1.0f};
494 GLfloat defaultMatShine[] = { 30.0f };
495 GLfloat defaultMatSpec[] = { .4f, .4f, .4f, 1.0f};
496 GLfloat defaultMatAmb[] = { .3f, .3f, .3f, 1.0f};
497 GLfloat defaultMatDiff[] = { .5f, .5f, .5f, 1.0f};
499 GLfloat brassMatAmb[] = { .33f, .22f, .03f, 1.0f};
500 GLfloat brassMatDiff[] = { .78f, .57f, .11f, 1.0f};
501 GLfloat brassMatSpec[] = { .99f, .91f, .81f, 1.0f};
502 GLfloat brassMatShine[] = { 27.8f };
504 GLfloat emeraldMatAmb[] = { .02f1, .1745f , .021f, 1.0f };
505 GLfloat emeraldMatDiff[] = { .075f, .6142f , .075f, 1.0f };
506 GLfloat emeraldMatSpec[] = { .633f, .7278f , .633f, 1.0f };
507 GLfloat emeraldMatShine[] = { 76.8f };
509 GLfloat slateMatAmb[] = { .02f, .02f , .02f, 1.0f };
510 GLfloat slateMatDiff[] = { .02f, .01f , .01f, 1.0f };
511 GLfloat slateMatSpec[] = { .4f, .4f , .4f , 1.0f };
512 GLfloat slateMatShine[] = { .768f };
514 // double opnX = nx, opnY = ny, opnZ = z;
515 // eyeX = 1; eyeY = 1, eyeZ = 1;
517 impLPos[0] = nx/2.; impLPos[1]= ny/2.; impLPos[2] = 0.;
519 //impGraphicsFlag = IMP__3D;
521 // glutInitDisplayMode (GLUT_DOUBLE| GLUT_RGB | GLUT_DEPTH | GLUT_ACCUM);
522 // glutInitWindowSize (IMP_WIN_X, IMP_WIN_Y);
523 // glutInitWindowPosition (100, 100);
524 // glutCreateWindow ("- imp3D graphics -" );
526 glClearColor (0.0f, 0.0f, 0.0f, 0.0f);
528 glShadeModel (GL_SMOOTH);
529 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
530 glHint(GL_LINE_SMOOTH, GL_DONT_CARE);
531 glEnable(GL_NORMALIZE);
534 glEnable(GL_DEPTH_TEST);
536 glLightfv(GL_LIGHT0, GL_AMBIENT, defaultLightAmb);
537 glLightfv(GL_LIGHT0, GL_DIFFUSE, defaultLightDiff);
538 glLightfv(GL_LIGHT0, GL_SPECULAR,defaultLightSpec);
540 glLightfv(GL_LIGHT1, GL_AMBIENT, defaultLightAmb);
541 glLightfv(GL_LIGHT1, GL_DIFFUSE, defaultLightDiff);
542 glLightfv(GL_LIGHT1, GL_SPECULAR,defaultLightSpec);
544 glLightfv(GL_LIGHT2, GL_AMBIENT , defaultLightAmb);
545 glLightfv(GL_LIGHT2, GL_DIFFUSE , defaultLightDiff);
546 glLightfv(GL_LIGHT2, GL_SPECULAR, defaultLightSpec);
548 glLightfv(GL_LIGHT0, GL_POSITION,impLPos);
549 glLightfv(GL_LIGHT1, GL_POSITION,impLPos);
550 glLightfv(GL_LIGHT2, GL_POSITION,impLPos);
552 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT , defaultMatAmb);
553 glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE , defaultMatDiff);
554 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR , defaultMatSpec);
555 glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, defaultMatShine);
557 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, defaultGlobalAmb);
559 glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
561 glEnable(GL_COLOR_MATERIAL);
563 glEnable(GL_LIGHTING);
573 Graph3dFileView::InitGL ()
575 glClearColor (0.0f, 0.0f, 0.0f, 0.0f);
577 glDisable (GL_CULL_FACE);
578 glEnable (GL_DEPTH_TEST);
583 Graph3dFileView::OnUpdate (wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint) )
588 unsigned int nx = GetDocument()->nx();
589 unsigned int ny = GetDocument()->ny();
590 const ImageFileArrayConst v = GetDocument()->getArray();
591 if (v != NULL && nx != 0 && ny != 0) {
592 double min = v[0][0];
594 for (unsigned int ix = 0; ix < nx; ix++)
595 for (unsigned int iy = 0; iy < ny; iy++) {
596 double dVal = v[ix][iy];
604 if (! m_bColorScaleMinSet)
605 m_dColorScaleMin = min;
606 if (! m_bColorScaleMaxSet)
607 m_dColorScaleMax = max;
609 double dRadius = maxValue<int> (nx, ny) * SQRT2 / 2;
612 m_pCanvas->SetCurrent();
614 glMatrixMode(GL_PROJECTION);
616 glOrtho (-dRadius, dRadius, -dRadius, dRadius, dRadius*5, -dRadius*5);
618 glMatrixMode(GL_MODELVIEW);
621 GLfloat eyep[3], lookp[3], up[3];
622 eyep[0] = -nx/2; eyep[1] = 0; eyep[2] = -ny/2;
623 lookp[0] = 0; lookp[1] = 0, lookp[2] = 0;
624 up[0] = 0; up[1] = 1; up[2] = 0;
625 gluLookAt (eyep[0], eyep[1], eyep[2], lookp[0], lookp[1], lookp[2], up[0], up[1], up[2]);
631 m_pCanvas->SwapBuffers();
632 m_pCanvas->Refresh();
637 Graph3dFileView::OnClose (bool deleteWindow)
639 if (! GetDocument() || ! GetDocument()->Close())
644 m_pCanvas->setView(NULL);
647 wxString s(theApp->GetAppName());
649 m_pFrame->SetTitle(s);
656 if (GetDocument() && GetDocument()->getBadFileOpen())
657 ::wxYield(); // wxWindows bug workaround
664 Graph3dFileView::setInitialClientSize ()
666 if (m_pFrame && m_pCanvas) {
667 wxSize bestSize = m_pCanvas->GetBestSize();
669 m_pFrame->SetClientSize (bestSize);
670 m_pFrame->Show (true);
671 m_pFrame->SetFocus();
676 Graph3dFileView::OnScaleAuto (wxCommandEvent& event)
679 const ImageFile& rIF = GetDocument()->getImageFile();
680 double min, max, mean, mode, median, stddev;
681 rIF.statistics(min, max, mean, mode, median, stddev);
682 DialogAutoScaleParameters dialogAutoScale (getFrameForChild(), mean, mode, median, stddev, m_dAutoScaleFactor);
683 int iRetVal = dialogAutoScale.ShowModal();
684 if (iRetVal == wxID_OK) {
685 m_bMinSpecified = true;
686 m_bMaxSpecified = true;
688 if (dialogAutoScale.getMinMax (&dMin, &dMax)) {
691 m_dAutoScaleFactor = dialogAutoScale.getAutoScaleFactor();
692 OnUpdate (this, NULL);
699 Graph3dFileView::OnScaleSet (wxCommandEvent& event)
704 unsigned int nx = GetDocument()->nx();
705 unsigned int ny = GetDocument()->ny();
706 const ImageFileArrayConst v = GetDocument()->getArray();
707 double dMin = 0., dMax = 0.;
708 if (! m_bColorScaleMinSet && ! m_bColorScaleMaxSet) {
709 dMax = dMin = v[0][0];
710 for (unsigned ix = 0; ix < nx; ix++)
711 for (unsigned int iy = 0; iy < ny; iy++)
712 if (v[ix][iy] < dMin)
714 else if (v[ix][iy] > dMax)
717 if (m_bColorScaleMinSet)
718 dMin = m_dColorScaleMin;
719 if (m_bColorScaleMaxSet)
720 dMax = m_dColorScaleMax;
722 DialogGetMinMax dialogMinMax (getFrameForChild(), "Set Color Scale Minimum & Maximum", dMin, dMax);
723 int retVal = dialogMinMax.ShowModal();
724 if (retVal == wxID_OK) {
725 m_bColorScaleMinSet = true;
726 m_bColorScaleMaxSet = true;
727 m_dColorScaleMin = dialogMinMax.getMinimum();
728 m_dColorScaleMax = dialogMinMax.getMaximum();
729 OnUpdate (this, NULL);
734 Graph3dFileView::OnScaleFull (wxCommandEvent& event)
736 if (m_bColorScaleMinSet || m_bColorScaleMaxSet) {
737 m_bColorScaleMinSet = false;
738 m_bColorScaleMaxSet = false;
739 OnUpdate (this, NULL);
748 Graph3dFileView::CreateChildFrame (wxDocument *doc, wxView *view)
751 wxDocMDIChildFrame* subframe = new wxDocMDIChildFrame (doc, view, theApp->getMainFrame(), -1, "Graph3dFile Frame", wxPoint(-1,-1), wxSize(-1,-1), wxDEFAULT_FRAME_STYLE);
753 wxDocChildFrame* subframe = new wxDocChildFrame (doc, view, theApp->getMainFrame(), -1, "Graph3dFile Frame", wxPoint(-1,-1), wxSize(-1,-1), wxDEFAULT_FRAME_STYLE);
755 theApp->setIconForFrame (subframe);
757 // status bar text not showing tested with enlightenment. disabling for now...
759 m_pStatusBar = new wxStatusBar (subframe, -1);
760 subframe->SetStatusBar (m_pStatusBar);
761 m_pStatusBar->Show(true);
764 m_pFileMenu = new wxMenu;
766 m_pFileMenu->Append(MAINMENU_FILE_CREATE_PHANTOM, "Cr&eate Phantom...\tCtrl-P");
767 m_pFileMenu->Append(MAINMENU_FILE_CREATE_FILTER, "Create &Filter...\tCtrl-F");
768 m_pFileMenu->Append(wxID_OPEN, "&Open...\tCtrl-O");
769 m_pFileMenu->Append(wxID_CLOSE, "&Close\tCtrl-W");
771 m_pFileMenu->AppendSeparator();
772 m_pFileMenu->Append(IFMENU_FILE_PROPERTIES, "P&roperties");
774 m_pFileMenu->AppendSeparator();
775 m_pFileMenu->Append(wxID_PRINT, "&Print...");
776 m_pFileMenu->Append(wxID_PRINT_SETUP, "Print &Setup...");
777 m_pFileMenu->Append(wxID_PREVIEW, "Print Preview");
779 m_pFileMenu->AppendSeparator();
780 m_pFileMenu->Append(MAINMENU_FILE_EXIT, "E&xit");
782 GetDocumentManager()->FileHistoryAddFilesToMenu(m_pFileMenu);
783 GetDocumentManager()->FileHistoryUseMenu(m_pFileMenu);
785 m_pViewMenu = new wxMenu;
786 m_pViewMenu->Append(GRAPH3D_VIEW_WIREFRAME, "Wi&reframe\tCtrl-R", "", true);
787 m_pViewMenu->Append(GRAPH3D_VIEW_SMOOTH, "S&mooth\tCtrl-M", "", true);
788 m_pViewMenu->Append(GRAPH3D_VIEW_COLOR, "Co&lor\tCtrl-L", "", true);
789 m_pViewMenu->Append(GRAPH3D_VIEW_LIGHTING, "Li&ghting\tCtrl-G", "", true);
790 m_pViewMenu->AppendSeparator();
791 m_pViewMenu->Append(GRAPH3D_VIEW_SCALE_MINMAX, "Color Scale S&et Min/Max...\tCtrl-E");
792 m_pViewMenu->Append(GRAPH3D_VIEW_SCALE_AUTO, "Color Scale &Auto...\tCtrl-A");
793 m_pViewMenu->Append(GRAPH3D_VIEW_SCALE_FULL, "Color F&ull Scale\tCtrl-U");
796 wxMenu *help_menu = new wxMenu;
797 help_menu->Append(MAINMENU_HELP_CONTENTS, "&Contents\tF1");
798 help_menu->Append(MAINMENU_HELP_ABOUT, "&About");
800 wxMenuBar *menu_bar = new wxMenuBar;
802 menu_bar->Append(m_pFileMenu, "&File");
803 menu_bar->Append(m_pViewMenu, "&View");
804 menu_bar->Append(help_menu, "&Help");
806 subframe->SetMenuBar(menu_bar);
808 subframe->Centre(wxBOTH);
810 wxAcceleratorEntry accelEntries[7];
811 accelEntries[0].Set (wxACCEL_CTRL, static_cast<int>('R'), GRAPH3D_VIEW_WIREFRAME);
812 accelEntries[1].Set (wxACCEL_CTRL, static_cast<int>('L'), GRAPH3D_VIEW_COLOR);
813 accelEntries[2].Set (wxACCEL_CTRL, static_cast<int>('G'), GRAPH3D_VIEW_LIGHTING);
814 accelEntries[3].Set (wxACCEL_CTRL, static_cast<int>('M'), GRAPH3D_VIEW_SMOOTH);
815 accelEntries[4].Set (wxACCEL_CTRL, static_cast<int>('E'), GRAPH3D_VIEW_SCALE_MINMAX);
816 accelEntries[5].Set (wxACCEL_CTRL, static_cast<int>('A'), GRAPH3D_VIEW_SCALE_AUTO);
817 accelEntries[6].Set (wxACCEL_CTRL, static_cast<int>('U'), GRAPH3D_VIEW_SCALE_FULL);
818 wxAcceleratorTable accelTable (7, accelEntries);
819 subframe->SetAcceleratorTable (accelTable);
827 BEGIN_EVENT_TABLE(Graph3dFileCanvas, wxGLCanvas)
828 EVT_PAINT(Graph3dFileCanvas::OnPaint)
829 EVT_SIZE(Graph3dFileCanvas::OnSize)
830 EVT_CHAR(Graph3dFileCanvas::OnChar)
831 EVT_MOUSE_EVENTS(Graph3dFileCanvas::OnMouseEvent)
832 EVT_ERASE_BACKGROUND(Graph3dFileCanvas::OnEraseBackground)
837 Graph3dFileCanvas::Graph3dFileCanvas (Graph3dFileView* view, wxWindow *parent, const wxPoint& pos,
838 const wxSize& size, long style)
839 : wxGLCanvas (parent, -1, pos, size, style), m_pView(view)
841 // parent->Show (true);
843 // Make sure server supports the vertex array extension
844 char* extensions = (char *) glGetString( GL_EXTENSIONS );
845 if (!extensions || !strstr( extensions, "GL_EXT_vertex_array" )) {
846 m_pView->m_bUseVertexArrays = GL_FALSE;
852 Graph3dFileCanvas::~Graph3dFileCanvas()
857 Graph3dFileCanvas::OnPaint (wxPaintEvent& event)
861 m_pView->OnDraw(& dc);
866 Graph3dFileCanvas::GetBestSize() const
868 return wxSize (400,400);
872 Graph3dFileCanvas::OnSize (wxSizeEvent& event)
875 // if (!GetContext()) return;
879 GetClientSize (&width, &height);
880 Reshape (width, height);
884 Graph3dFileCanvas::OnChar(wxKeyEvent& event)
889 wxCommandEvent dummyEvent;
890 switch (event.KeyCode()) {
892 m_pView->m_dZRotate += 15.0;
896 m_pView->m_dZRotate -= 15.0;
900 m_pView->m_dXRotate += 15.0;
904 m_pView->m_dXRotate -= 15.0;
908 m_pView->m_dYRotate += 15.0;
912 m_pView->m_dYRotate -= 15.0;
916 m_pView->OnWireframe (dummyEvent);
919 m_pView->OnSmooth (dummyEvent);
922 m_pView->OnLighting (dummyEvent);
925 m_pView->OnColor (dummyEvent);
934 Graph3dFileCanvas::Reshape (int width, int height)
937 glViewport (0, 0, (GLint)width, (GLint)height);
943 Graph3dFileCanvas::OnMouseEvent(wxMouseEvent& event)
945 static int dragging = 0;
946 static float last_x, last_y;
951 if(event.LeftIsDown()) {
955 m_pView->m_dXRotate -= (event.GetY() - last_y)*1.0;
956 m_pView->m_dZRotate += (event.GetX() - last_x)*1.0;
959 last_x = event.GetX();
960 last_y = event.GetY();
966 Graph3dFileCanvas::OnEraseBackground(wxEraseEvent& event)
968 // Do nothing: avoid flashing.
972 #endif // wxUSE_GLCANVAS