Triangulator.cpp

#include "Triangulator.h"
#include "QuadTree.h"

Triangulator::Triangulator(DrawingArea *area,QObject *parent) :
    QObject(parent),area(area)
{
    connect(area,SIGNAL(polyChanged(Polygon*,QList<Polygon*>)),this,SLOT(polyChanged(Polygon*,QList<Polygon*>)));
}

void Triangulator::polyChanged(Polygon *poly, QList<Polygon *> holes){
    Q_UNUSED(poly)
    Q_UNUSED(holes)
    triangulate();//Remove this if you don't want to triangulate on every poly update
}

void Triangulator::triangulate(){

    Polygon *poly = area->polygon(); //main polygon
    QList<Polygon*> holes = area->holesInPoly(); //holes in it

    area->clear(); //remove previous drawings
    QuadTree quad_tree(Point(90,90),400);

    quad_tree.insertPolygon(poly);
    quad_tree.Triangulate();
    quad_tree.draw(area);

}