Exemplo n.º 1
0
int main(void)
{
    Avoid::Router *router = new Avoid::Router(Avoid::PolyLineRouting);
    
    Avoid::Point srcPt(1.2, 0.5);
    Avoid::Point dstPt(1.5, 4);
    Avoid::ConnRef *connRef = new Avoid::ConnRef(router, srcPt, dstPt);
    connRef->setCallback(connCallback, connRef);
    // Force inital callback:
    router->processTransaction();

    printf("\nAdding a shape.\n");
    // Create the ShapeRef:
    Avoid::Polygon shapePoly(3);
    shapePoly.ps[0] = Avoid::Point(1, 1);
    shapePoly.ps[1] = Avoid::Point(2.5, 1.5);
    shapePoly.ps[2] = Avoid::Point(1.5, 2.5);
    Avoid::ShapeRef *shapeRef = new Avoid::ShapeRef(router, shapePoly);
    router->processTransaction();

    printf("\nShifting endpoint.\n");
    Avoid::Point dstPt2(6, 4.5);
    connRef->setDestEndpoint(dstPt2);
    // It's expected you know the connector needs rerouting, so the callback
    // isn't called.  You can force it to be called though, via:
    router->processTransaction();

    printf("\nMoving shape right by 0.5.\n");
    router->moveShape(shapeRef, 0.5, 0);
    router->processTransaction();

    router->outputDiagram("output/example");
    delete router;
    return 0;
}
Exemplo n.º 2
0
int main(void)
{
    Avoid::Router *router = new Avoid::Router(Avoid::OrthogonalRouting);
    
    Avoid::Point srcPt(0,400);
    Avoid::Point dstPt(775,400);
    Avoid::ConnRef *connRef = new Avoid::ConnRef(router, srcPt, dstPt);
    connRef->setCallback(connCallback, connRef);

    Avoid::Point srcPt2(775,625);
    Avoid::Point dstPt2(350,475);
    Avoid::ConnRef *connRef2 = new Avoid::ConnRef(router, srcPt2, dstPt2);
    connRef2->setCallback(connCallback, connRef2);
    
    router->processTransaction();

    printf("\nShifting endpoint.\n");
    connRef->setEndpoints(Avoid::Point(0,375), Avoid::Point(775,400));
    connRef2->setEndpoints(Avoid::Point(775,625), Avoid::Point(350,450));
    router->processTransaction();

    printf("\nShifting endpoint.\n");
    connRef->setEndpoints(Avoid::Point(0,400), Avoid::Point(775,400));
    connRef2->setEndpoints(Avoid::Point(775,625), Avoid::Point(350,475));
    router->processTransaction();

    delete router;
    return 0;
}
Exemplo n.º 3
0
static void connCallback(void *ptr)
{
    Avoid::ConnRef *connRef = (Avoid::ConnRef *) ptr; 

    printf("Connector %u needs rerouting!\n", connRef->id());

    const Avoid::PolyLine& route = connRef->route();
    printf("New path: ");
    for (size_t i = 0; i < route.ps.size(); ++i) 
    {
        printf("%s(%f, %f)", (i > 0) ? "-" : "", 
                route.ps[i].x, route.ps[i].y);
    }
    printf("\n");
}
Exemplo n.º 4
0
int main(void)
{
    Avoid::Router *router = new Avoid::Router(Avoid::OrthogonalRouting);
    
    // Create the ShapeRef:
    Avoid::Rectangle shapeRect1(Avoid::Point(0, 0), Avoid::Point(10, 10));
    Avoid::ShapeRef *shapeRef1 = new Avoid::ShapeRef(router, shapeRect1);
    const unsigned int CENTRE = 1;
    new Avoid::ShapeConnectionPin(shapeRef1, CENTRE, 
            Avoid::ATTACH_POS_CENTRE, Avoid::ATTACH_POS_CENTRE, true, 0.0, Avoid::ConnDirNone);
    
    Avoid::Rectangle shapeRect2(Avoid::Point(0, 0), Avoid::Point(10, 10));
    Avoid::ShapeRef *shapeRef2 = new Avoid::ShapeRef(router, shapeRect1);

    Avoid::ConnEnd dstPt(shapeRef1, CENTRE); 
    Avoid::Point srcPt(1.5, 4);
    Avoid::ConnRef *connRef = new Avoid::ConnRef(router, srcPt, dstPt);
    // Force inital callback:
    router->processTransaction();
    router->outputDiagram("output/connendmove-1");

    Avoid::Point dstPt2(20, 20);
    connRef->setDestEndpoint(dstPt2);
    router->moveShape(shapeRef1, 0.5, 0);

    router->processTransaction();
    router->outputDiagram("output/connendmove-2");

    srcPt.x += 0.5;
    connRef->setSourceEndpoint(srcPt);
    router->moveShape(shapeRef1, 0.5, 0);
    router->moveShape(shapeRef2, 0, 0.5);
    
    srcPt.x += 0.5;
    connRef->setSourceEndpoint(srcPt);
    router->moveShape(shapeRef1, 0.5, 0);
    router->moveShape(shapeRef2, 0, 0.5);
    
    srcPt.x += 0.5;
    connRef->setSourceEndpoint(srcPt);
    router->moveShape(shapeRef1, 0.5, 0);
    router->moveShape(shapeRef2, 0, 0.5);
    
    srcPt.x += 0.5;
    connRef->setSourceEndpoint(srcPt);
    router->moveShape(shapeRef1, 0.5, 0);
    router->moveShape(shapeRef2, 0, 0.5);
    
    router->processTransaction();
    router->outputDiagram("output/connendmove-3");

    delete router;
    return 0;
}
Exemplo n.º 5
0
/*
 * Make feasible:
 *   - remove overlaps between rectangular boundaries of nodes/clusters
 *     (respecting structural constraints)
 *   - perform routing (preserve previous topology using rubber banding)
 */
void makeFeasible(vpsc::Rectangles& rs, vector<cola::Edge>& edges,
    std::vector<topology::Edge*>& routes,
    std::vector<topology::Node*>& topologyNodes, double defaultEdgeLength) {
    printf("Removing overlaps...\n");
    removeoverlaps(rs,false);
    printf("done.\n");
    printf("Running libavoid to compute routes...\n");
    clock_t libavoidstarttime=clock();
    // find feasible routes for edges
    Avoid::Router *router = new Avoid::Router(Avoid::PolyLineRouting);
    // Use rotational sweep for point visibility
    router->UseLeesAlgorithm = true;
    // Don't use invisibility graph.
    router->InvisibilityGrph = false;
    double g=0; // make shape that libavoid sees slightly smaller
    for(unsigned i=0;i<rs.size();++i) {
        vpsc::Rectangle* r=rs[i];
        double x=r->getMinX()+g;
        double X=r->getMaxX()-g;
        double y=r->getMinY()+g;
        double Y=r->getMaxY()-g;
        // Create the ShapeRef:
        Avoid::Polygon shapePoly(4);
        // AntiClockwise!
        shapePoly.ps[0] = Avoid::Point(X,y);
        shapePoly.ps[1] = Avoid::Point(X,Y);
        shapePoly.ps[2] = Avoid::Point(x,Y);
        shapePoly.ps[3] = Avoid::Point(x,y);
        //if(i==4||i==13||i==9) {
            //printf("rect[%d]:{%f,%f,%f,%f}\n",i,x,y,X,Y);
        //}
        unsigned int shapeID = i + 1;
        Avoid::ShapeRef *shapeRef = new Avoid::ShapeRef(router, shapePoly,
                shapeID);
        // ShapeRef constructor makes a copy of polygon so we can free it:
        //router->addShape(shapeRef); // FIXME
    }
    for(unsigned i=0;i<edges.size();++i) {
        cola::Edge e=edges[i];
        Avoid::ConnRef *connRef;
        unsigned int connID = i + rs.size() + 1;
        Rectangle* r0=rs[e.first], *r1=rs[e.second];
        Avoid::Point srcPt(r0->getCentreX(),r0->getCentreY());
        Avoid::Point dstPt(r1->getCentreX(),r1->getCentreY());
        connRef = new Avoid::ConnRef(router, srcPt, dstPt, connID);
        router->processTransaction();
        const Avoid::Polygon& route = connRef->route();
        vector<topology::EdgePoint*> eps;
        eps.push_back( new topology::EdgePoint( topologyNodes[e.first], 
                    topology::EdgePoint::CENTRE));
        for(size_t j=1;j+1<route.size();j++) {
            const Avoid::Point& p = route.ps[j];
            const unsigned nodeID=p.id-1;
            topology::Node* node=topologyNodes[nodeID];
            topology::EdgePoint::RectIntersect ri;
            switch(p.vn) {
                case 0: ri=topology::EdgePoint::BR; 
                        break;
                case 1: ri=topology::EdgePoint::TR; 
                        break;
                case 2: ri=topology::EdgePoint::TL;
                        break;
                case 3: ri=topology::EdgePoint::BL; 
                        break;
                default: ri=topology::EdgePoint::CENTRE;
            }
            eps.push_back(new topology::EdgePoint(node,ri));
        }
        eps.push_back(new topology::EdgePoint(topologyNodes[e.second],
                    topology::EdgePoint::CENTRE));
        topology::Edge* edgeRoute=new topology::Edge(i,defaultEdgeLength, eps);
        edgeRoute->assertConvexBends();
        routes.push_back(edgeRoute);

    }
    writeFile(topologyNodes,routes,"beautify0.svg");
    assert(topology::assertNoSegmentRectIntersection(topologyNodes,routes));
    double libavoidtime=double(clock()-libavoidstarttime)/double(CLOCKS_PER_SEC);
    cout << "done. Libavoid ran in " << libavoidtime << " seconds" << endl;
    delete router;
}
Exemplo n.º 6
0
/**
 * Method called when a connector of type Avoid::ConnRef needs to be redrawn.
 */
static void
conn_callback(void *ptr)
{
    Avoid::ConnRef *connRef = (Avoid::ConnRef *) ptr;
    connRef->route();
}