/**************************************************************************** * VCGLib o o * * Visual and Computer Graphics Library o o * * _ O _ * * Copyright(C) 2004 \/)\/ * * Visual Computing Lab /\/| * * ISTI - Italian National Research Council | * * \ * * All rights reserved. * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * 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 (http://www.gnu.org/licenses/gpl.txt) * * for more details. * * * ****************************************************************************/ /**************************************************************************** History $Log: not supported by cvs2svn $ Revision 1.4 2007/05/17 09:06:44 ganovelli gestione double click Revision 1.3 2006/12/10 23:29:57 ganovelli added VFIterator (Pos is disabled in this version) Revision 1.2 2006/12/10 22:17:18 ganovelli cvs problem during frist committ. repeated */ #include #include #include #include #include "glwidget.h" #include #include #include #include #include #include #include GLWidget::GLWidget(QWidget *parent) : QGLWidget(parent) { object = 0; trolltechGreen = QColor::fromCmykF(0.40, 0.0, 1.0, 0.0); trolltechPurple = QColor::fromCmykF(0.39, 0.39, 0.0, 0.0); track.SetPosition(vcg::Point3f(0.0,0.0,0.0)); track.SetIdentity(); track.radius = 0.4; pos.f=NULL; vfite.f = NULL; doPickVfIte = false; doPickPos = false; } GLWidget::~GLWidget() { makeCurrent(); glDeleteLists(object, 1); } QSize GLWidget::minimumSizeHint() const { return QSize(50, 50); } QSize GLWidget::sizeHint() const { return QSize(400, 400); } void GLWidget::LoadTriMesh(QString &namefile) { vcg::tri::io::ImporterPLY::Open(mesh,namefile.toAscii()); vcg::tri::UpdateBounding::Box(mesh); vcg::tri::UpdateNormals::PerFace(mesh); vcg::tri::UpdateNormals::PerVertex(mesh); vcg::tri::UpdateTopology::FaceFace(mesh); vcg::tri::UpdateTopology::VertexFace(mesh); pos.f=0; vfite.f=NULL; } void GLWidget::OpenFile(){ QStringList filters; QString fileName = QFileDialog::getOpenFileName(this,tr("Open File"),".", filters.join("\n")); if (fileName.isEmpty()) return; else LoadTriMesh( fileName ); } void GLWidget::flipV( ){ if(pos.f) pos.FlipV(); repaint(); } void GLWidget::flipE( ){ if(pos.f) pos.FlipE(); repaint(); } void GLWidget::flipF( ){ if(pos.f) pos.FlipF(); repaint(); } void GLWidget::nextE( ){ if(pos.f) pos.NextE(); repaint(); } void GLWidget::nextB( ){ if(pos.f) pos.NextB(); repaint(); } void GLWidget::nextVfite( ){ if(vfite.F()) ++vfite; repaint(); } void GLWidget::initializeGL() { qglClearColor(trolltechPurple.dark()); glShadeModel(GL_FLAT); glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); } template void drawVertex(VertexType & v){ glPushAttrib(0xffffffff); glPointSize(2.0); glBegin(GL_POINTS); glVertex(v.P()); glEnd(); glPopAttrib(); } void GLWidget::paintGL() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(0,0,2, 0,0,0, 0,1,0); track.GetView(); track.Apply(); glScalef(1/glWrap.m->bbox.Diag(),1/glWrap.m->bbox.Diag(),1/glWrap.m->bbox.Diag()); glTranslate(-glWrap.m->bbox.Center()); // to do some picking MyStraightMesh::FaceType* fp=NULL; MyStraightMesh::VertexType* vp=NULL; if(doPickPos) { std::vector res; int yes = vcg::Pick(pic_x,ScreenH-pic_y+1,mesh.face,res,vcg::glTriangle3,1,1); if(yes) {fp = res[0]; pos.Set(fp,0,fp->V(0)); } doPickPos=false; }else if(doPickVfIte) { std::vector res; int yes = vcg::Pick(pic_x,ScreenH-pic_y+1,mesh.vert,res,drawVertex,3,3); if(yes) {vp = res[0]; MyStraightMesh::FaceType* g = vp->VFp(); vfite=vcg::face::VFIterator(vp); } doPickVfIte = false; } glWrap.Draw (); if(pos.f!=NULL) { glPushAttrib(0xffffffff); glDisable(GL_LIGHTING); glColor3f(0.0,1.0,0.0); glDepthRange(0.0,0.999); vcg::GlPos >::Draw(pos); glPopAttrib(); } if(vfite.F()!=NULL) { glPushAttrib(0xffffffff); glDisable(GL_LIGHTING); glColor3f(0.0,1.0,0.0); glDepthRange(0.0,0.99); vcg::GlVfIterator >::Draw(vfite); glPopAttrib(); } } void GLWidget::mouseMoveEvent(QMouseEvent *e) { track.MouseMove(e->x(),ScreenH-e->y()+1); repaint(); //if (event->buttons() & Qt::LeftButton) { // setXRotation(xRot + 8 * dy); //} else if (event->buttons() & Qt::RightButton) { // setXRotation(xRot + 8 * dy); //} // lastPos = event->pos(); } void GLWidget::keyPressEvent ( QKeyEvent * e ) { if((keypress == Qt::Key_Control)&&(e->key()==Qt::Key_Control)) keypress = -1; else keypress = e->key(); } void GLWidget::mouseDoubleClickEvent(QMouseEvent *e){ if(e->button() == Qt::RightButton) doPickPos=true; } void GLWidget:: mousePressEvent(QMouseEvent *e) { if( (keypress==Qt::Key_Control) && (e->button() == Qt::LeftButton) ) track.MouseDown(e->x(),ScreenH-e->y()+1,vcg::Trackball::KEY_CTRL|vcg::Trackball::BUTTON_LEFT ); else if(e->button() == Qt::LeftButton ) track.MouseDown(e->x(),ScreenH-e->y()+1,vcg::Trackball::BUTTON_LEFT); else if(e->button() == Qt::RightButton) { doPickVfIte=true; pic_x = e->x(); pic_y = e->y(); } repaint(); } void GLWidget::mouseReleaseEvent ( QMouseEvent * e ){ if( (keypress==Qt::Key_Control) && (e->button() == Qt::LeftButton) ) track.MouseUp(e->x(),ScreenH-e->y()+1,vcg::Trackball::KEY_CTRL ); else if(e->button() == Qt::LeftButton ) track.MouseUp(e->x(),ScreenH-e->y()+1,vcg::Trackball::BUTTON_LEFT); repaint(); } void GLWidget::resizeGL(int w,int h){ ScreenW=w; ScreenH=h; glViewport(0,0,w,h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(45,ScreenW/(float)ScreenH,0.01,5); } void GLWidget::wheelEvent ( QWheelEvent * e ){ int v = e->delta()/(float) 120; track.MouseWheel(v); repaint(); }