281 lines
7.7 KiB
C++
281 lines
7.7 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004-2016 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.4 2007/05/17 09:06:44 ganovelli
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gestione double click
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Revision 1.3 2006/12/10 23:29:57 ganovelli
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added VFIterator (Pos is disabled in this version)
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Revision 1.2 2006/12/10 22:17:18 ganovelli
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cvs problem during frist committ. repeated
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*/
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#include <QtGui>
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#include <GL/glew.h>
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#include <QtOpenGL>
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#include <math.h>
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#include "glwidget.h"
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#include <wrap/io_trimesh/import_PLY.h>
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#include <wrap/gl/picking.h>
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#include <wrap/gl/space.h>
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#include <wrap/gl/pos.h>
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#include <vcg/complex/algorithms/update/bounding.h>
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#include <vcg/complex/algorithms/update/normal.h>
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#include <vcg/complex/algorithms/update/topology.h>
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GLWidget::GLWidget(QWidget *parent)
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: QGLWidget(parent)
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{
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object = 0;
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trolltechGreen = QColor::fromCmykF(0.40, 0.0, 1.0, 0.0);
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trolltechPurple = QColor::fromCmykF(0.39, 0.39, 0.0, 0.0);
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track.SetPosition(vcg::Point3f(0.0,0.0,0.0));
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track.SetIdentity();
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track.radius = 0.4;
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pos.f=NULL;
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vfite.f = NULL;
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doPickVfIte = false;
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doPickPos = false;
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}
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GLWidget::~GLWidget()
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{
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makeCurrent();
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glDeleteLists(object, 1);
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}
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QSize GLWidget::minimumSizeHint() const
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{
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return QSize(50, 50);
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}
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QSize GLWidget::sizeHint() const
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{
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return QSize(400, 400);
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}
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void GLWidget::LoadTriMesh(QString &namefile)
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{
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vcg::tri::io::ImporterPLY<MyStraightMesh>::Open(mesh,namefile.toAscii());
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vcg::tri::UpdateBounding<MyStraightMesh>::Box(mesh);
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vcg::tri::UpdateNormals<MyStraightMesh>::PerFace(mesh);
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vcg::tri::UpdateNormals<MyStraightMesh>::PerVertex(mesh);
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vcg::tri::UpdateTopology<MyStraightMesh>::FaceFace(mesh);
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vcg::tri::UpdateTopology<MyStraightMesh>::VertexFace(mesh);
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pos.f=0;
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vfite.f=NULL;
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}
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void GLWidget::OpenFile(){
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QStringList filters;
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QString fileName = QFileDialog::getOpenFileName(this,tr("Open File"),".", filters.join("\n"));
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if (fileName.isEmpty()) return;
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else
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LoadTriMesh( fileName );
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}
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void GLWidget::flipV( ){
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if(pos.f) pos.FlipV();
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repaint();
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}
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void GLWidget::flipE( ){
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if(pos.f) pos.FlipE();
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repaint();
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}
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void GLWidget::flipF( ){
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if(pos.f) pos.FlipF();
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repaint();
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}
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void GLWidget::nextE( ){
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if(pos.f) pos.NextE();
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repaint();
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}
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void GLWidget::nextB( ){
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if(pos.f) pos.NextB();
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repaint();
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}
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void GLWidget::nextVfite( ){
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if(vfite.F()) ++vfite;
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repaint();
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}
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void GLWidget::initializeGL()
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{
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qglClearColor(trolltechPurple.dark());
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glShadeModel(GL_FLAT);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_CULL_FACE);
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}
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template <class VertexType>
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void drawVertex(VertexType & v){
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glPushAttrib(0xffffffff);
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glPointSize(2.0);
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glBegin(GL_POINTS);
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glVertex(v.P());
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glEnd();
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glPopAttrib();
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}
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void GLWidget::paintGL()
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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gluLookAt(0,0,2, 0,0,0, 0,1,0);
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track.GetView();
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track.Apply();
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glScalef(1/glWrap.m->bbox.Diag(),1/glWrap.m->bbox.Diag(),1/glWrap.m->bbox.Diag());
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glTranslate(-glWrap.m->bbox.Center());
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// to do some picking
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MyStraightMesh::FaceType* fp=NULL;
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MyStraightMesh::VertexType* vp=NULL;
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if(doPickPos)
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{
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std::vector<MyStraightMesh::FaceType*> res;
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int yes = vcg::Pick<MyStraightMesh::FaceContainer>(pic_x,ScreenH-pic_y+1,mesh.face,res,vcg::glTriangle3<MyStraightMesh::FaceType>,1,1);
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if(yes)
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{fp = res[0];
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pos.Set(fp,0,fp->V(0));
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}
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doPickPos=false;
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}else
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if(doPickVfIte)
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{
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std::vector<MyStraightMesh::VertexType*> res;
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int yes = vcg::Pick<MyStraightMesh::VertContainer>(pic_x,ScreenH-pic_y+1,mesh.vert,res,drawVertex<MyStraightMesh::VertexType>,3,3);
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if(yes)
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{vp = res[0];
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MyStraightMesh::FaceType* g = vp->VFp();
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vfite=vcg::face::VFIterator<MyStraightMesh::FaceType>(vp);
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}
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doPickVfIte = false;
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}
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glWrap.Draw<vcg::GLW::DMFlatWire,vcg::GLW::CMNone,vcg::GLW::TMNone> ();
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if(pos.f!=NULL) {
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glPushAttrib(0xffffffff);
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glDisable(GL_LIGHTING);
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glColor3f(0.0,1.0,0.0);
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glDepthRange(0.0,0.999);
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vcg::GlPos<vcg::face::Pos<MyStraightMesh::FaceType> >::Draw(pos);
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glPopAttrib();
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}
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if(vfite.F()!=NULL) {
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glPushAttrib(0xffffffff);
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glDisable(GL_LIGHTING);
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glColor3f(0.0,1.0,0.0);
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glDepthRange(0.0,0.99);
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vcg::GlVfIterator<vcg::face::VFIterator<MyStraightMesh::FaceType> >::Draw(vfite);
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glPopAttrib();
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}
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}
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void GLWidget::mouseMoveEvent(QMouseEvent *e)
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{
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track.MouseMove(e->x(),ScreenH-e->y()+1);
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repaint();
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//if (event->buttons() & Qt::LeftButton) {
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// setXRotation(xRot + 8 * dy);
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//} else if (event->buttons() & Qt::RightButton) {
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// setXRotation(xRot + 8 * dy);
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//}
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// lastPos = event->pos();
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}
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void GLWidget::keyPressEvent ( QKeyEvent * e ) {
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if((keypress == Qt::Key_Control)&&(e->key()==Qt::Key_Control))
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keypress = -1;
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else
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keypress = e->key();
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}
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void GLWidget::mouseDoubleClickEvent(QMouseEvent *e){
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if(e->button() == Qt::RightButton)
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doPickPos=true;
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}
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void GLWidget:: mousePressEvent(QMouseEvent *e)
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{
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if( (keypress==Qt::Key_Control) && (e->button() == Qt::LeftButton) )
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track.MouseDown(e->x(),ScreenH-e->y()+1,vcg::Trackball::KEY_CTRL|vcg::Trackball::BUTTON_LEFT );
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else
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if(e->button() == Qt::LeftButton )
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track.MouseDown(e->x(),ScreenH-e->y()+1,vcg::Trackball::BUTTON_LEFT);
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else
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if(e->button() == Qt::RightButton)
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{
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doPickVfIte=true;
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pic_x = e->x();
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pic_y = e->y();
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}
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repaint();
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}
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void GLWidget::mouseReleaseEvent ( QMouseEvent * e ){
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if( (keypress==Qt::Key_Control) && (e->button() == Qt::LeftButton) )
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track.MouseUp(e->x(),ScreenH-e->y()+1,vcg::Trackball::KEY_CTRL );
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else
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if(e->button() == Qt::LeftButton )
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track.MouseUp(e->x(),ScreenH-e->y()+1,vcg::Trackball::BUTTON_LEFT);
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repaint();
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}
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void GLWidget::resizeGL(int w,int h){
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ScreenW=w; ScreenH=h;
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glViewport(0,0,w,h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(45,ScreenW/(float)ScreenH,0.01,5);
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}
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void GLWidget::wheelEvent ( QWheelEvent * e ){
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int v = e->delta()/(float) 120;
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track.MouseWheel(v);
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repaint();
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}
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