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slice.cpp
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slice.cpp
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//#include "slice.h"
//Slice::Slice(QObject *parent) :
// QObject(parent)
//{
//}
//typedef std::vector< GLdouble* > Vectors;
//Vectors vectors;
////------------------------------------------------------------------------------
//// heap memory management for GLUtesselator ...
////------------------------------------------------------------------------------
//GLdouble* NewVector(GLdouble x, GLdouble y)
//{
// GLdouble *vert = new GLdouble[3];
// vert[0] = x;
// vert[1] = y;
// vert[2] = 0;
// vectors.push_back(vert);
// return vert;
//}
////------------------------------------------------------------------------------
//void __stdcall ClearVectors()
//{
// for (Vectors::size_type i = 0; i < vectors.size(); ++i)
// delete[] vectors[i];
// vectors.clear();
//}
////------------------------------------------------------------------------------
//// GLUtesselator callback functions ...
////------------------------------------------------------------------------------
//void __stdcall BeginCallback(GLenum type)
//{
// glBegin(type);
//}
////------------------------------------------------------------------------------
//void __stdcall EndCallback()
//{
// glEnd();
//}
////------------------------------------------------------------------------------
//void __stdcall VertexCallback(GLvoid *vertex)
//{
// glVertex3dv( (const double *)vertex );
//}
////------------------------------------------------------------------------------
//void __stdcall CombineCallback(GLdouble coords[3],
// GLdouble *data[4], GLfloat weight[4], GLdouble **dataOut )
//{
// GLdouble *vert = NewVector(coords[0], coords[1]);
// *dataOut = vert;
//}
////------------------------------------------------------------------------------
//void __stdcall ErrorCallback(GLenum errorCode)
//{
// QString errorText = QString((char*)gluErrorString(errorCode));
// qDebug() << errorText;
//}
//void Slice::fillTriLayer(QHash<QString, Face*> faces){
// QHash<QString, Face*>::iterator i;
// double zMax=0;
// for(i = faces.begin(); i != faces.end(); ++i){
// if(zMax<i.value()->getMaxZ()->z())
// zMax=i.value()->getMaxZ()->z();
// }
// int layersNum=(int)ceil(zMax/layerHeight);
// qDebug() << "Max z: "<< zMax << "Number of layers: "<<layersNum;
// //create list
// for(int j=0; j<layersNum+1; j++){
// this->triLayer.append(new QList<Face*>);
// this->edgeLayer.append(new QList< QList<HalfEdge*> *>);
// this->pointLayer.append(new QList< QList<QVector3D> *>);
// }
// double tempZ;
// for(i = faces.begin(); i != faces.end(); ++i){
// tempZ=(int)((i.value()->getMinZ()->z()/layerHeight)+1)*layerHeight;
// while(tempZ<=i.value()->getMaxZ()->z()){
// this->triLayer.at((int)ceil(tempZ/layerHeight))->append(i.value());
// tempZ+=this->layerHeight;
// }
// }
// fillEdgeLayer();
// fillPointLayer();
// fillPolygonLayer();
//}
////fill list of edges crossing plane on some z height
//void Slice::fillEdgeLayer(){
// QList<Face*> currentLayer;
// Face* currentFace;
// HalfEdge* currentEdge;
// for(int i=0; i<this->triLayer.size(); i++){
// currentLayer=*this->triLayer.at(i);
// //take first face from list
// if(currentLayer.size()>0){
// while(currentLayer.size()>0){
// currentFace=currentLayer.takeFirst();
// currentEdge=currentFace->getEdgesCrossingPlane(this->layerHeight*i).at(0);
// //create list for firts edge loop
// this->edgeLayer.at(i)->append(new QList<HalfEdge*>);
// this->pointLayer.at(i)->append(new QList<QVector3D>);
// this->edgeLayer.at(i)->last()->append(currentEdge);
// //while all faces are processed
// do{
// currentLayer.removeAt(currentLayer.indexOf(currentFace));
// //take his twin
// currentEdge=currentEdge->getTwin();
// currentFace=currentEdge->getFaces().at(0);
// //qDebug() << currentFace->getNeighbors().size();
// if(currentFace->getEdgesCrossingPlane(this->layerHeight*i,currentEdge).size()!=1){
// //qDebug() << "dupa" <<currentFace->getEdgesCrossingPlane(this->layerHeight*i,currentEdge).size();
// }
// currentEdge=currentFace->getEdgesCrossingPlane(this->layerHeight*i,currentEdge).first();
// this->edgeLayer.at(i)->last()->append(currentEdge);
// }while(currentLayer.contains(currentFace));
// }
// }
// }
//}
////find point of polygon
//void Slice::fillPointLayer(){
// //for each layer
// for(int i=0; i<this->edgeLayer.size(); i++){
// //and each loop
// for(int j=0; j<this->edgeLayer.at(i)->size(); j++){
// for(int k=0; k<this->edgeLayer.at(i)->at(j)->size(); k++){
// this->pointLayer.at(i)->at(j)->append(linePLaneIntersection(*this->edgeLayer.at(i)->at(j)->at(k),QVector3D(0,0,this->layerHeight*i), QVector3D(0,0,1)));
// }
// }
// }
//}
//void Slice::fillPolygonLayer(){
// //for every layer
// for(int j=0; j<this->pointLayer.size(); j++){
// Polygons layer;
// for(int k=0; k<this->pointLayer.at(j)->size(); k++){
// ClipperLib::Polygon p;
// for(int i=0; i<this->pointLayer.at(j)->at(k)->size(); i++){
// p.push_back(ClipperLib::IntPoint((int)(this->pointLayer.at(j)->at(k)->at(i).x()*1000),(int)(this->pointLayer.at(j)->at(k)->at(i).y()*1000)));
// }
// layer.push_back(p);
// }
// this->polygonLayer.append(layer);
// }
//}
//QVector3D Slice::linePLaneIntersection(HalfEdge edge, QVector3D planeOrigin, QVector3D planeNormal){
// QVector3D u=edge.getStart()->toVector3D()-edge.getStop()->toVector3D();
// QVector3D w=edge.getStop()->toVector3D()-planeOrigin;
// QVector3D normal=planeNormal;
// float d=QVector3D::dotProduct(normal,u);
// float n=-QVector3D::dotProduct(normal,w);
// //line is parallel to plane
// if(fabs(d)<0.00000001){
// if(n==0){
// qDebug() << "line is on plane";
// return QVector3D(edge.getStart()->toVector3D());
// }
// else{
// qDebug() << "no intersection";
// return QVector3D();
// }
// }
// //line croses plane
// float sI = n/d;
// if(sI<0 || sI>1){
// qDebug() << "no intersection";
// return QVector3D();
// }
// return edge.getStop()->toVector3D() + u*sI;
//}
//void Slice::draw(int layer){
// GLfloat green[4]={0.0,1.0,0.0,1.0};
// GLfloat blue[4]={0.0,0.0,1.0,1.0};
// GLfloat fCurrentColor[4];
// // Get the current color
// glGetFloatv(GL_CURRENT_COLOR, fCurrentColor);
// if(layer<this->triLayer.size()){
// //draw faces
//// for(int i=0; i<this->triLayer.at(layer)->size(); i++){
//// glBegin(GL_TRIANGLES);
//// glNormal3f(this->triLayer.at(layer)->at(i)->getNormal()->x(),this->triLayer.at(layer)->at(i)->getNormal()->y(),this->triLayer.at(layer)->at(i)->getNormal()->z());
//// glVertex3f(this->triLayer.at(layer)->at(i)->getEdge1()->getStart()->x(), this->triLayer.at(layer)->at(i)->getEdge1()->getStart()->y(), this->triLayer.at(layer)->at(i)->getEdge1()->getStart()->z());
//// glVertex3f(this->triLayer.at(layer)->at(i)->getEdge2()->getStart()->x(), this->triLayer.at(layer)->at(i)->getEdge2()->getStart()->y(), this->triLayer.at(layer)->at(i)->getEdge2()->getStart()->z());
//// glVertex3f(this->triLayer.at(layer)->at(i)->getEdge3()->getStart()->x(), this->triLayer.at(layer)->at(i)->getEdge3()->getStart()->y(), this->triLayer.at(layer)->at(i)->getEdge3()->getStart()->z());
//// glEnd( );
//// }
//// //draw edges
// glDisable(GL_LIGHTING);
// glColor4fv(green);
// glLineWidth(1.0);
// glDepthMask(false);
//// glBegin(GL_LINES);
//// for(int i=0; i<this->edgeLayer.at(layer)->size(); i++){
//// for(int j=0; j<this->edgeLayer.at(layer)->at(i)->size(); j++){
//// glVertex3f(this->edgeLayer.at(layer)->at(i)->at(j)->getStart()->x(), this->edgeLayer.at(layer)->at(i)->at(j)->getStart()->y(), this->edgeLayer.at(layer)->at(i)->at(j)->getStart()->z());
//// glVertex3f(this->edgeLayer.at(layer)->at(i)->at(j)->getStop()->x(), this->edgeLayer.at(layer)->at(i)->at(j)->getStop()->y(), this->edgeLayer.at(layer)->at(i)->at(j)->getStop()->z());
//// }
//// }
//// glEnd( );
// //draw intersection points
// glColor4fv(blue);
// glPointSize(5.0f);
// glBegin(GL_POINTS);
// for(int i=0; i<this->pointLayer.at(layer)->size(); i++){
// for(int j=0; j<this->pointLayer.at(layer)->at(i)->size(); j++){
// glColor4f(1.0-(float)j/(float)this->pointLayer.at(layer)->at(i)->size(),(float)j/(float)this->pointLayer.at(layer)->at(i)->size(),0.0,1.0);
// glVertex3f(this->pointLayer.at(layer)->at(i)->at(j).x(), this->pointLayer.at(layer)->at(i)->at(j).y(), this->pointLayer.at(layer)->at(i)->at(j).z() );
// }
// }
// glEnd();
// drawPolygon((Polygons&)this->polygonLayer.at(layer),layer);
// glDepthMask(true);
// glEnable(GL_LIGHTING);
// }
// glColor4fv(fCurrentColor);
//}
//void Slice::drawPolygon(Polygons &pgs, int layer){
// glColor4f(0.0f, 1.0f, 0.0f, 0.25f);
// GLUtesselator* tess = gluNewTess();
// gluTessCallback(tess, GLU_TESS_BEGIN, (GLvoid (__stdcall *) ())&BeginCallback);
// gluTessCallback(tess, GLU_TESS_VERTEX, (GLvoid (__stdcall *) ())&VertexCallback);
// gluTessCallback(tess, GLU_TESS_END, (GLvoid (__stdcall *) ())&EndCallback);
// gluTessCallback(tess, GLU_TESS_COMBINE, (GLvoid (__stdcall *) ())&CombineCallback);
// gluTessCallback(tess, GLU_TESS_ERROR, (GLvoid (__stdcall *) ())&ErrorCallback);
// gluTessNormal(tess, 0.0, 0.0, 1.0);
// gluTessProperty(tess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_ODD);
// gluTessProperty(tess, GLU_TESS_BOUNDARY_ONLY, GL_FALSE); //GL_FALSE
// gluTessBeginPolygon(tess, NULL);
// glPushMatrix();
// glTranslated(0.0,0.0,this->layerHeight*layer);
// for (Polygons::size_type i = 0; i < pgs.size(); ++i)
// {
// gluTessBeginContour(tess);
// for (ClipperLib::Polygon::size_type j = 0; j < pgs[i].size(); ++j)
// {
// GLdouble *vert =
// NewVector((GLdouble)pgs[i][j].X/1000, (GLdouble)pgs[i][j].Y/1000);
// gluTessVertex(tess, vert, vert);
// }
// gluTessEndContour(tess);
// }
// gluTessEndPolygon(tess);
// ClearVectors();
// glColor4f(0.0f, 0.6f, 1.0f, 0.5f);
// glLineWidth(1.8f);
// gluTessProperty(tess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_ODD);
// gluTessProperty(tess, GLU_TESS_BOUNDARY_ONLY, GL_TRUE);
// for (Polygons::size_type i = 0; i < pgs.size(); ++i)
// {
// gluTessBeginPolygon(tess, NULL);
// gluTessBeginContour(tess);
// for (ClipperLib::Polygon::size_type j = 0; j < pgs[i].size(); ++j)
// {
// GLdouble *vert =
// NewVector((GLdouble)pgs[i][j].X/1000, (GLdouble)pgs[i][j].Y/1000);
// gluTessVertex(tess, vert, vert);
// }
// glColor4f(0.0f, 0.0f, 0.8f, 0.5f);
// gluTessEndContour(tess);
// gluTessEndPolygon(tess);
// }
// //final cleanup ...
// gluDeleteTess(tess);
// ClearVectors();
// glPopMatrix();
//}