00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038 #include <QtGui>
00039 #include <GL/glew.h>
00040 #include <QtOpenGL>
00041
00042 #include <math.h>
00043 #include "glwidget.h"
00044 #include <wrap/io_trimesh/import_PLY.h>
00045 #include <wrap/gl/picking.h>
00046 #include <wrap/gl/space.h>
00047 #include <wrap/gl/pos.h>
00048 #include <vcg/complex/trimesh/update/bounding.h>
00049 #include <vcg/complex/trimesh/update/normal.h>
00050 #include <vcg/complex/trimesh/update/topology.h>
00051
00052
00053 GLWidget::GLWidget(QWidget *parent)
00054 : QGLWidget(parent)
00055 {
00056 object = 0;
00057
00058 trolltechGreen = QColor::fromCmykF(0.40, 0.0, 1.0, 0.0);
00059 trolltechPurple = QColor::fromCmykF(0.39, 0.39, 0.0, 0.0);
00060 track.SetPosition(vcg::Point3f(0.0,0.0,0.0));
00061 track.SetIdentity();
00062 track.radius = 0.4;
00063 pos.f=NULL;
00064 vfite.f = NULL;
00065 doPickVfIte = false;
00066 doPickPos = false;
00067 }
00068
00069 GLWidget::~GLWidget()
00070 {
00071 makeCurrent();
00072 glDeleteLists(object, 1);
00073 }
00074
00075 QSize GLWidget::minimumSizeHint() const
00076 {
00077 return QSize(50, 50);
00078 }
00079
00080 QSize GLWidget::sizeHint() const
00081 {
00082 return QSize(400, 400);
00083 }
00084
00085 void GLWidget::LoadTriMesh(QString &namefile)
00086 {
00087 vcg::tri::io::ImporterPLY<MyStraightMesh>::Open(mesh,namefile.toAscii());
00088 vcg::tri::UpdateBounding<MyStraightMesh>::Box(mesh);
00089 vcg::tri::UpdateNormals<MyStraightMesh>::PerFace(mesh);
00090 vcg::tri::UpdateNormals<MyStraightMesh>::PerVertex(mesh);
00091 vcg::tri::UpdateTopology<MyStraightMesh>::FaceFace(mesh);
00092 vcg::tri::UpdateTopology<MyStraightMesh>::VertexFace(mesh);
00093 pos.f=0;
00094 vfite.f=NULL;
00095 }
00096
00097 void GLWidget::OpenFile(){
00098 QStringList filters;
00099
00100
00101 QString fileName = QFileDialog::getOpenFileName(this,tr("Open File"),".", filters.join("\n"));
00102
00103 if (fileName.isEmpty()) return;
00104 else
00105 LoadTriMesh( fileName );
00106
00107 }
00108
00109 void GLWidget::flipV( ){
00110 if(pos.f) pos.FlipV();
00111 repaint();
00112 }
00113 void GLWidget::flipE( ){
00114 if(pos.f) pos.FlipE();
00115 repaint();
00116 }
00117 void GLWidget::flipF( ){
00118 if(pos.f) pos.FlipF();
00119 repaint();
00120 }
00121 void GLWidget::nextE( ){
00122 if(pos.f) pos.NextE();
00123 repaint();
00124 }
00125 void GLWidget::nextB( ){
00126 if(pos.f) pos.NextB();
00127 repaint();
00128 }
00129
00130 void GLWidget::nextVfite( ){
00131 if(vfite.F()) ++vfite;
00132 repaint();
00133 }
00134
00135 void GLWidget::initializeGL()
00136 {
00137 qglClearColor(trolltechPurple.dark());
00138 glShadeModel(GL_FLAT);
00139 glEnable(GL_DEPTH_TEST);
00140 glEnable(GL_CULL_FACE);
00141 }
00142
00143 template <class VertexType>
00144 void drawVertex(VertexType & v){
00145 glPushAttrib(0xffffffff);
00146 glPointSize(2.0);
00147 glBegin(GL_POINTS);
00148 glVertex(v.P());
00149 glEnd();
00150 glPopAttrib();
00151 }
00152
00153 void GLWidget::paintGL()
00154 {
00155 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
00156 glMatrixMode(GL_MODELVIEW);
00157 glLoadIdentity();
00158 gluLookAt(0,0,2, 0,0,0, 0,1,0);
00159
00160 track.GetView();
00161 track.Apply();
00162
00163
00164 glScalef(1/glWrap.m->bbox.Diag(),1/glWrap.m->bbox.Diag(),1/glWrap.m->bbox.Diag());
00165 glTranslate(-glWrap.m->bbox.Center());
00166
00167
00168 MyStraightMesh::FaceType* fp=NULL;
00169 MyStraightMesh::VertexType* vp=NULL;
00170 if(doPickPos)
00171 {
00172 std::vector<MyStraightMesh::FaceType*> res;
00173 int yes = vcg::Pick<MyStraightMesh::FaceContainer>(pic_x,ScreenH-pic_y+1,mesh.face,res,vcg::glTriangle3<MyStraightMesh::FaceType>,1,1);
00174 if(yes)
00175 {fp = res[0];
00176 pos.Set(fp,0,fp->V(0));
00177 }
00178 doPickPos=false;
00179 }else
00180 if(doPickVfIte)
00181 {
00182 std::vector<MyStraightMesh::VertexType*> res;
00183 int yes = vcg::Pick<MyStraightMesh::VertContainer>(pic_x,ScreenH-pic_y+1,mesh.vert,res,drawVertex<MyStraightMesh::VertexType>,3,3);
00184 if(yes)
00185 {vp = res[0];
00186 MyStraightMesh::FaceType* g = vp->VFp();
00187 vfite=vcg::face::VFIterator<MyStraightMesh::FaceType>(vp);
00188 }
00189
00190 doPickVfIte = false;
00191 }
00192
00193 glWrap.Draw<vcg::GLW::DMFlatWire,vcg::GLW::CMNone,vcg::GLW::TMNone> ();
00194
00195 if(pos.f!=NULL) {
00196 glPushAttrib(0xffffffff);
00197 glDisable(GL_LIGHTING);
00198 glColor3f(0.0,1.0,0.0);
00199 glDepthRange(0.0,0.999);
00200 vcg::GlPos<vcg::face::Pos<MyStraightMesh::FaceType> >::Draw(pos);
00201 glPopAttrib();
00202 }
00203 if(vfite.F()!=NULL) {
00204 glPushAttrib(0xffffffff);
00205 glDisable(GL_LIGHTING);
00206 glColor3f(0.0,1.0,0.0);
00207 glDepthRange(0.0,0.99);
00208 vcg::GlVfIterator<vcg::face::VFIterator<MyStraightMesh::FaceType> >::Draw(vfite);
00209 glPopAttrib();
00210 }
00211
00212 }
00213
00214
00215
00216
00217
00218 void GLWidget::mouseMoveEvent(QMouseEvent *e)
00219 {
00220 track.MouseMove(e->x(),ScreenH-e->y()+1);
00221 repaint();
00222
00223
00224
00225
00226
00227
00228
00229 }
00230 void GLWidget::keyPressEvent ( QKeyEvent * e ) {
00231 if((keypress == Qt::Key_Control)&&(e->key()==Qt::Key_Control))
00232 keypress = -1;
00233 else
00234 keypress = e->key();
00235 }
00236 void GLWidget::mouseDoubleClickEvent(QMouseEvent *e){
00237 if(e->button() == Qt::RightButton)
00238 doPickPos=true;
00239
00240 }
00241 void GLWidget:: mousePressEvent(QMouseEvent *e)
00242 {
00243 if( (keypress==Qt::Key_Control) && (e->button() == Qt::LeftButton) )
00244 track.MouseDown(e->x(),ScreenH-e->y()+1,vcg::Trackball::KEY_CTRL|vcg::Trackball::BUTTON_LEFT );
00245 else
00246 if(e->button() == Qt::LeftButton )
00247 track.MouseDown(e->x(),ScreenH-e->y()+1,vcg::Trackball::BUTTON_LEFT);
00248 else
00249 if(e->button() == Qt::RightButton)
00250 {
00251 doPickVfIte=true;
00252 pic_x = e->x();
00253 pic_y = e->y();
00254 }
00255 repaint();
00256 }
00257
00258 void GLWidget::mouseReleaseEvent ( QMouseEvent * e ){
00259
00260 if( (keypress==Qt::Key_Control) && (e->button() == Qt::LeftButton) )
00261 track.MouseUp(e->x(),ScreenH-e->y()+1,vcg::Trackball::KEY_CTRL );
00262 else
00263 if(e->button() == Qt::LeftButton )
00264 track.MouseUp(e->x(),ScreenH-e->y()+1,vcg::Trackball::BUTTON_LEFT);
00265 repaint();
00266 }
00267
00268
00269 void GLWidget::resizeGL(int w,int h){
00270 ScreenW=w; ScreenH=h;
00271 glViewport(0,0,w,h);
00272 glMatrixMode(GL_PROJECTION);
00273 glLoadIdentity();
00274 gluPerspective(45,ScreenW/(float)ScreenH,0.01,5);
00275 }
00276 void GLWidget::wheelEvent ( QWheelEvent * e ){
00277 int v = e->delta()/(float) 120;
00278 track.MouseWheel(v);
00279 repaint();
00280 }
