Beispiel #1
0
/**
 * Updates the Hatch. Called when the
 * hatch or it's data, position, alignment, .. changes.
 */
void RS_Hatch::update() {
        RS_DEBUG->print("RS_Hatch::update");
        RS_DEBUG->print("RS_Hatch::update: contour has %d loops", count());

    updateError = HATCH_OK;
    if (updateRunning) {
        return;
    }

    if (updateEnabled==false) {
        return;
    }

    if (data.solid==true) {
        calculateBorders();
        return;
    }

    RS_DEBUG->print("RS_Hatch::update");
    updateRunning = true;

    // delete old hatch:
    if (hatch) {
        removeEntity(hatch);
		hatch = nullptr;
    }

    if (isUndone()) {
        updateRunning = false;
        return;
    }

    if (!validate()) {
        RS_DEBUG->print(RS_Debug::D_WARNING,
                        "RS_Hatch::update: invalid contour in hatch found");
        updateRunning = false;
        updateError = HATCH_INVALID_CONTOUR;
        return;
    }

    // search pattern:
    RS_DEBUG->print("RS_Hatch::update: requesting pattern");
    RS_Pattern* pat = RS_PATTERNLIST->requestPattern(data.pattern);
	if (!pat) {
        updateRunning = false;
        RS_DEBUG->print("RS_Hatch::update: requesting pattern: not found");
        updateError = HATCH_PATTERN_NOT_FOUND;
        return;
    }
    RS_DEBUG->print("RS_Hatch::update: requesting pattern: OK");

    RS_DEBUG->print("RS_Hatch::update: cloning pattern");
    pat = (RS_Pattern*)pat->clone();
    RS_DEBUG->print("RS_Hatch::update: cloning pattern: OK");

    // scale pattern
    RS_DEBUG->print("RS_Hatch::update: scaling pattern");
    pat->scale(RS_Vector(0.0,0.0), RS_Vector(data.scale, data.scale));
    pat->calculateBorders();
    forcedCalculateBorders();
    RS_DEBUG->print("RS_Hatch::update: scaling pattern: OK");

    // find out how many pattern-instances we need in x/y:
    int px1, py1, px2, py2;
    double f;
    RS_Hatch* copy = (RS_Hatch*)this->clone();
    copy->rotate(RS_Vector(0.0,0.0), -data.angle);
    copy->forcedCalculateBorders();

    // create a pattern over the whole contour.
    RS_Vector pSize = pat->getSize();
    RS_Vector rot_center=pat->getMin();
//    RS_Vector cPos = getMin();
    RS_Vector cSize = getSize();


    RS_DEBUG->print("RS_Hatch::update: pattern size: %f/%f", pSize.x, pSize.y);
    RS_DEBUG->print("RS_Hatch::update: contour size: %f/%f", cSize.x, cSize.y);

    if (cSize.x<1.0e-6 || cSize.y<1.0e-6 ||
            pSize.x<1.0e-6 || pSize.y<1.0e-6 ||
            cSize.x>RS_MAXDOUBLE-1 || cSize.y>RS_MAXDOUBLE-1 ||
            pSize.x>RS_MAXDOUBLE-1 || pSize.y>RS_MAXDOUBLE-1) {
        delete pat;
        delete copy;
        updateRunning = false;
        RS_DEBUG->print("RS_Hatch::update: contour size or pattern size too small");
        updateError = HATCH_TOO_SMALL;
        return;
    }

    // avoid huge memory consumption:
    else if ( cSize.x* cSize.y/(pSize.x*pSize.y)>1e4) {
        RS_DEBUG->print("RS_Hatch::update: contour size too large or pattern size too small");
        delete pat;
        delete copy;
        updateError = HATCH_AREA_TOO_BIG;
        return;
    }

    f = copy->getMin().x/pSize.x;
    px1 = (int)floor(f);
    f = copy->getMin().y/pSize.y;
    py1 = (int)floor(f);
    f = copy->getMax().x/pSize.x;
    px2 = (int)ceil(f);
    f = copy->getMax().y/pSize.y;
    py2 = (int)ceil(f);
    RS_Vector dvx=RS_Vector(data.angle)*pSize.x;
    RS_Vector dvy=RS_Vector(data.angle+M_PI*0.5)*pSize.y;
    pat->rotate(rot_center, data.angle);
    pat->move(-rot_center);


    RS_EntityContainer tmp;   // container for untrimmed lines

    // adding array of patterns to tmp:
    RS_DEBUG->print("RS_Hatch::update: creating pattern carpet");

    for (int px=px1; px<px2; px++) {
		for (int py=py1; py<py2; py++) {
			for(auto e: *pat){
                RS_Entity* te=e->clone();
                te->move(dvx*px + dvy*py);
                tmp.addEntity(te);
            }
        }
    }

    delete pat;
    pat = nullptr;
    delete copy;
    copy = nullptr;
    RS_DEBUG->print("RS_Hatch::update: creating pattern carpet: OK");


    RS_DEBUG->print("RS_Hatch::update: cutting pattern carpet");
    // cut pattern to contour shape:
    RS_EntityContainer tmp2;   // container for small cut lines
	RS_Line* line = nullptr;
	RS_Arc* arc = nullptr;
	RS_Circle* circle = nullptr;
	RS_Ellipse* ellipse = nullptr;
	for(auto e: tmp){

		line = nullptr;
		arc = nullptr;
		circle = nullptr;
		ellipse = nullptr;

        RS_Vector startPoint;
        RS_Vector endPoint;
        RS_Vector center = RS_Vector(false);
        bool reversed=false;

        switch(e->rtti()){
        case RS2::EntityLine:
            line=static_cast<RS_Line*>(e);
            startPoint = line->getStartpoint();
            endPoint = line->getEndpoint();
            break;
        case RS2::EntityArc:
            arc=static_cast<RS_Arc*>(e);
            startPoint = arc->getStartpoint();
            endPoint = arc->getEndpoint();
            center = arc->getCenter();
            reversed = arc->isReversed();
            break;
        case RS2::EntityCircle:
            circle=static_cast<RS_Circle*>(e);
            startPoint = circle->getCenter()
                    + RS_Vector(circle->getRadius(), 0.0);
            endPoint = startPoint;
            center = circle->getCenter();
            break;
        case RS2::EntityEllipse:
            ellipse = static_cast<RS_Ellipse*>(e);
            startPoint = ellipse->getStartpoint();
            endPoint = ellipse->getEndpoint();
            center = ellipse->getCenter();
            reversed = ellipse->isReversed();
            break;
        default:
            continue;
        }

        // getting all intersections of this pattern line with the contour:
        QList<std::shared_ptr<RS_Vector> > is;

		for(auto loop: entities){

            if (loop->isContainer()) {
				for(auto p: * static_cast<RS_EntityContainer*>(loop)){

                    RS_VectorSolutions sol =
                        RS_Information::getIntersection(e, p, true);

					for (const RS_Vector& vp: sol){
						if (vp.valid) {
							is.append(std::shared_ptr<RS_Vector>(
										  new RS_Vector(vp)
										  ));
							RS_DEBUG->print("  pattern line intersection: %f/%f",
											vp.x, vp.y);
						}
					}
				}
			}
		}


        QList<std::shared_ptr<RS_Vector> > is2;//to be filled with sorted intersections
        is2.append(std::shared_ptr<RS_Vector>(new RS_Vector(startPoint)));

        // sort the intersection points into is2 (only if there are intersections):
        if(is.size() == 1)
        {//only one intersection
            is2.append(is.first());
        }
        else if(is.size() > 1)
        {
            RS_Vector sp = startPoint;
            double sa = center.angleTo(sp);
			if(ellipse ) sa=ellipse->getEllipseAngle(sp);
            bool done;
            double minDist;
            double dist = 0.0;
            std::shared_ptr<RS_Vector> av;
            std::shared_ptr<RS_Vector> v;
            RS_Vector last = RS_Vector(false);
            do {
                done = true;
                minDist = RS_MAXDOUBLE;
                av.reset();
                for (int i = 0; i < is.size(); ++i) {
                    v = is.at(i);
                    double a;
                    switch(e->rtti()){
                    case RS2::EntityLine:
                        dist = sp.distanceTo(*v);
                        break;
                    case RS2::EntityArc:
                    case RS2::EntityCircle:
                        a = center.angleTo(*v);
                        dist = reversed?
                                    fmod(sa - a + 2.*M_PI,2.*M_PI):
                                    fmod(a - sa + 2.*M_PI,2.*M_PI);
                        break;
                    case RS2::EntityEllipse:
                        a = ellipse->getEllipseAngle(*v);
                        dist = reversed?
                                    fmod(sa - a + 2.*M_PI,2.*M_PI):
                                    fmod(a - sa + 2.*M_PI,2.*M_PI);
                        break;
                    default:
                        break;

                    }

                    if (dist<minDist) {
                        minDist = dist;
                        done = false;
                        av = v;
                    }
                }

                // copy to sorted list, removing double points
                if (!done && av.get()) {
                    if (last.valid==false || last.distanceTo(*av)>RS_TOLERANCE) {
                        is2.append(std::shared_ptr<RS_Vector>(new RS_Vector(*av)));
                        last = *av;
                    }
#if QT_VERSION < 0x040400
                    emu_qt44_removeOne(is, av);
#else
                    is.removeOne(av);
#endif

                    av.reset();
                }
            } while(!done);
        }

is2.append(std::shared_ptr<RS_Vector>(new RS_Vector(endPoint)));

        // add small cut lines / arcs to tmp2:
            for (int i = 1; i < is2.size(); ++i) {
                auto v1 = is2.at(i-1);
                auto v2 = is2.at(i);


                if (line) {

					tmp2.addEntity(new RS_Line{&tmp2, *v1, *v2});
                } else if (arc || circle) {
                    if(fabs(center.angleTo(*v2)-center.angleTo(*v1)) > RS_TOLERANCE_ANGLE)
                    {//don't create an arc with a too small angle
                        tmp2.addEntity(new RS_Arc(&tmp2,
                                                  RS_ArcData(center,
                                                             center.distanceTo(*v1),
                                                             center.angleTo(*v1),
                                                             center.angleTo(*v2),
                                                             reversed)));
                    }

                }
            }

    }

    // updating hatch / adding entities that are inside
    RS_DEBUG->print("RS_Hatch::update: cutting pattern carpet: OK");

    //RS_EntityContainer* rubbish = new RS_EntityContainer(getGraphic());

    // the hatch pattern entities:
    hatch = new RS_EntityContainer(this);
    hatch->setPen(RS_Pen(RS2::FlagInvalid));
	hatch->setLayer(nullptr);
    hatch->setFlag(RS2::FlagTemp);

    //calculateBorders();

	for(auto e: tmp2){

        RS_Vector middlePoint;
        RS_Vector middlePoint2;
        if (e->rtti()==RS2::EntityLine) {
			RS_Line* line = static_cast<RS_Line*>(e);
            middlePoint = line->getMiddlePoint();
            middlePoint2 = line->getNearestDist(line->getLength()/2.1,
                                                line->getStartpoint());
        } else if (e->rtti()==RS2::EntityArc) {
			RS_Arc* arc = static_cast<RS_Arc*>(e);
            middlePoint = arc->getMiddlePoint();
            middlePoint2 = arc->getNearestDist(arc->getLength()/2.1,
                                               arc->getStartpoint());
        } else {
			middlePoint = RS_Vector{false};
			middlePoint2 = RS_Vector{false};
        }

        if (middlePoint.valid) {
            bool onContour=false;

            if (RS_Information::isPointInsideContour(
                        middlePoint,
                        this, &onContour) ||
                    RS_Information::isPointInsideContour(middlePoint2, this)) {

                RS_Entity* te = e->clone();
				te->setPen(RS2::FlagInvalid);
				te->setLayer(nullptr);
                te->reparent(hatch);
                hatch->addEntity(te);
            }
        }
    }

    addEntity(hatch);
    //getGraphic()->addEntity(rubbish);

    forcedCalculateBorders();

    // deactivate contour:
    activateContour(false);

    updateRunning = false;

    RS_DEBUG->print("RS_Hatch::update: OK");
}
Beispiel #2
0
/**
 * Updates the Hatch. Called when the
 * hatch or it's data, position, alignment, .. changes.
 */
void RS_Hatch::update() {
        RS_DEBUG->print("RS_Hatch::update");
        RS_DEBUG->print("RS_Hatch::update: contour has %d loops", count());

    if (updateRunning) {
        return;
    }

    if (updateEnabled==false) {
        return;
    }

    if (data.solid==true) {
        calculateBorders();
        return;
    }

    RS_DEBUG->print("RS_Hatch::update");
    updateRunning = true;

    // delete old hatch:
    if (hatch!=NULL) {
        removeEntity(hatch);
        hatch = NULL;
    }

    if (isUndone()) {
        updateRunning = false;
        return;
    }

        if (!validate()) {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                        "RS_Hatch::update: invalid contour in hatch found");
        updateRunning = false;
                return;
        }

    // search pattern:
    RS_DEBUG->print("RS_Hatch::update: requesting pattern");
    RS_Pattern* pat = RS_PATTERNLIST->requestPattern(data.pattern);
    if (pat==NULL) {
        updateRunning = false;
        RS_DEBUG->print("RS_Hatch::update: requesting pattern: not found");
        return;
    }
    RS_DEBUG->print("RS_Hatch::update: requesting pattern: OK");

    RS_DEBUG->print("RS_Hatch::update: cloning pattern");
    pat = (RS_Pattern*)pat->clone();
    RS_DEBUG->print("RS_Hatch::update: cloning pattern: OK");

    // scale pattern
    RS_DEBUG->print("RS_Hatch::update: scaling pattern");
    pat->scale(RS_Vector(0.0,0.0), RS_Vector(data.scale, data.scale));
    pat->calculateBorders();
    forcedCalculateBorders();
    RS_DEBUG->print("RS_Hatch::update: scaling pattern: OK");

    // find out how many pattern-instances we need in x/y:
    int px1, py1, px2, py2;
    double f;
    RS_Hatch* copy = (RS_Hatch*)this->clone();
    copy->rotate(RS_Vector(0.0,0.0), -data.angle);
    copy->forcedCalculateBorders();

    // create a pattern over the whole contour.
    RS_Vector pSize = pat->getSize();
//    RS_Vector cPos = getMin();
    RS_Vector cSize = getSize();


    RS_DEBUG->print("RS_Hatch::update: pattern size: %f/%f", pSize.x, pSize.y);
    RS_DEBUG->print("RS_Hatch::update: contour size: %f/%f", cSize.x, cSize.y);

    if (cSize.x<1.0e-6 || cSize.y<1.0e-6 ||
            pSize.x<1.0e-6 || pSize.y<1.0e-6 ||
            cSize.x>RS_MAXDOUBLE-1 || cSize.y>RS_MAXDOUBLE-1 ||
            pSize.x>RS_MAXDOUBLE-1 || pSize.y>RS_MAXDOUBLE-1) {
        delete pat;
        delete copy;
        updateRunning = false;
        RS_DEBUG->print("RS_Hatch::update: contour size or pattern size too small");
        return;
    }

    // avoid huge memory consumption:
    else if (cSize.x/pSize.x>100 || cSize.y/pSize.y>100) {
        RS_DEBUG->print("RS_Hatch::update: contour size too large or pattern size too small");
        return;
    }

    f = copy->getMin().x/pat->getSize().x;
    px1 = (int)floor(f);
    f = copy->getMin().y/pat->getSize().y;
    py1 = (int)floor(f);
    f = copy->getMax().x/pat->getSize().x;
    px2 = (int)ceil(f) - 1;
    f = copy->getMax().y/pat->getSize().y;
    py2 = (int)ceil(f) - 1;

    RS_EntityContainer tmp;   // container for untrimmed lines

    // adding array of patterns to tmp:
    RS_DEBUG->print("RS_Hatch::update: creating pattern carpet");

    for (int px=px1; px<=px2; px++) {
        for (int py=py1; py<=py2; py++) {
            for (RS_Entity* e=pat->firstEntity(); e!=NULL;
                    e=pat->nextEntity()) {

                RS_Entity* te = e->clone();
                te->rotate(RS_Vector(0.0,0.0), data.angle);
                RS_Vector v1, v2;
                v1.setPolar(px*pSize.x, data.angle);
                v2.setPolar(py*pSize.y, data.angle+M_PI/2.0);
                te->move(v1+v2);
                tmp.addEntity(te);
            }
        }
    }

    delete pat;
    pat = NULL;
    RS_DEBUG->print("RS_Hatch::update: creating pattern carpet: OK");


    RS_DEBUG->print("RS_Hatch::update: cutting pattern carpet");
    // cut pattern to contour shape:
    RS_EntityContainer tmp2;   // container for small cut lines
    RS_Line* line = NULL;
    RS_Arc* arc = NULL;
    RS_Circle* circle = NULL;
    RS_Ellipse* ellipse = NULL;
    for (RS_Entity* e=tmp.firstEntity(); e!=NULL;
            e=tmp.nextEntity()) {

        RS_Vector startPoint;
        RS_Vector endPoint;
        RS_Vector center = RS_Vector(false);
        bool reversed;

        switch(e->rtti()){
        case RS2::EntityLine:
            line=static_cast<RS_Line*>(e);
            startPoint = line->getStartpoint();
            endPoint = line->getEndpoint();
            break;
        case RS2::EntityArc:
            arc=static_cast<RS_Arc*>(e);
            startPoint = arc->getStartpoint();
            endPoint = arc->getEndpoint();
            center = arc->getCenter();
            reversed = arc->isReversed();
            break;
        case RS2::EntityCircle:
            circle=static_cast<RS_Circle*>(e);
            startPoint = circle->getCenter()
                    + RS_Vector(circle->getRadius(), 0.0);
            endPoint = startPoint;
            center = circle->getCenter();
            break;
        case RS2::EntityEllipse:
            ellipse = static_cast<RS_Ellipse*>(e);
            startPoint = ellipse->getStartpoint();
            endPoint = ellipse->getEndpoint();
            center = ellipse->getCenter();
            reversed = ellipse->isReversed();
            break;
        default:
            continue;
        }

        // getting all intersections of this pattern line with the contour:
        QList<std::shared_ptr<RS_Vector> > is;
        is.append(std::shared_ptr<RS_Vector>(new RS_Vector(startPoint)));

        for (RS_Entity* loop=firstEntity(); loop!=NULL;
                loop=nextEntity()) {

            if (loop->isContainer()) {
                for (RS_Entity* p=((RS_EntityContainer*)loop)->firstEntity();
                        p!=NULL;
                        p=((RS_EntityContainer*)loop)->nextEntity()) {

                    RS_VectorSolutions sol =
                        RS_Information::getIntersection(e, p, true);

                    for (int i=0; i<=1; ++i) {
                        if (sol.get(i).valid) {
                            is.append(std::shared_ptr<RS_Vector>(
                                          new RS_Vector(sol.get(i))
                                                        ));
                            RS_DEBUG->print("  pattern line intersection: %f/%f",
                                            sol.get(i).x, sol.get(i).y);
                        }
                    }
                }
            }
        }

        is.append(std::shared_ptr<RS_Vector>(new RS_Vector(endPoint)));

        // sort the intersection points into is2:
        RS_Vector sp = startPoint;
        double sa = center.angleTo(sp);
        if(ellipse != NULL) sa=ellipse->getEllipseAngle(sp);
        QList<std::shared_ptr<RS_Vector> > is2;
        bool done;
        double minDist;
        double dist = 0.0;
        std::shared_ptr<RS_Vector> av;
        std::shared_ptr<RS_Vector> v;
        RS_Vector last = RS_Vector(false);
        do {
            done = true;
            minDist = RS_MAXDOUBLE;
            av.reset();
            for (int i = 0; i < is.size(); ++i) {
                v = is.at(i);
                double a;
                switch(e->rtti()){
                case RS2::EntityLine:
                    dist = sp.distanceTo(*v);
                    break;
                case RS2::EntityArc:
                case RS2::EntityCircle:
                    a = center.angleTo(*v);
                    dist = reversed?
                                fmod(sa - a + 2.*M_PI,2.*M_PI):
                                fmod(a - sa + 2.*M_PI,2.*M_PI);
                    break;
                case RS2::EntityEllipse:
                    a = ellipse->getEllipseAngle(*v);
                    dist = reversed?
                                fmod(sa - a + 2.*M_PI,2.*M_PI):
                                fmod(a - sa + 2.*M_PI,2.*M_PI);
                    break;
                default:
                    break;

                }

                if (dist<minDist) {
                    minDist = dist;
                    done = false;
                    av = v;
                }
            }

            // copy to sorted list, removing double points
            if (!done && av.get()!=NULL) {
                if (last.valid==false || last.distanceTo(*av)>RS_TOLERANCE) {
                    is2.append(std::shared_ptr<RS_Vector>(new RS_Vector(*av)));
                    last = *av;
                }
#if QT_VERSION < 0x040400
                emu_qt44_removeOne(is, av);
#else
                is.removeOne(av);
#endif

                av.reset();
            }
        } while(!done);

        // add small cut lines / arcs to tmp2:
            for (int i = 1; i < is2.size(); ++i) {
                auto v1 = is2.at(i-1);
                auto v2 = is2.at(i);

                if (line!=NULL) {
                    tmp2.addEntity(new RS_Line(&tmp2,
                                               RS_LineData(*v1, *v2)));
                } else if (arc!=NULL || circle!=NULL) {
                    tmp2.addEntity(new RS_Arc(&tmp2,
                                              RS_ArcData(center,
                                                         center.distanceTo(*v1),
                                                         center.angleTo(*v1),
                                                         center.angleTo(*v2),
                                                         reversed)));
                }
            }

    }

    // updating hatch / adding entities that are inside
    RS_DEBUG->print("RS_Hatch::update: cutting pattern carpet: OK");

    //RS_EntityContainer* rubbish = new RS_EntityContainer(getGraphic());

    // the hatch pattern entities:
    hatch = new RS_EntityContainer(this);
    hatch->setPen(RS_Pen(RS2::FlagInvalid));
    hatch->setLayer(NULL);
    hatch->setFlag(RS2::FlagTemp);

    //calculateBorders();

    for (RS_Entity* e=tmp2.firstEntity(); e!=NULL;
            e=tmp2.nextEntity()) {

        RS_Vector middlePoint;
        RS_Vector middlePoint2;
        if (e->rtti()==RS2::EntityLine) {
            RS_Line* line = (RS_Line*)e;
            middlePoint = line->getMiddlePoint();
            middlePoint2 = line->getNearestDist(line->getLength()/2.1,
                                                line->getStartpoint());
        } else if (e->rtti()==RS2::EntityArc) {
            RS_Arc* arc = (RS_Arc*)e;
            middlePoint = arc->getMiddlePoint();
            middlePoint2 = arc->getNearestDist(arc->getLength()/2.1,
                                               arc->getStartpoint());
        } else {
            middlePoint = RS_Vector(false);
            middlePoint2 = RS_Vector(false);
        }

        if (middlePoint.valid) {
            bool onContour=false;

            if (RS_Information::isPointInsideContour(
                        middlePoint,
                        this, &onContour) ||
                    RS_Information::isPointInsideContour(middlePoint2, this)) {

                RS_Entity* te = e->clone();
                te->setPen(RS_Pen(RS2::FlagInvalid));
                te->setLayer(NULL);
                te->reparent(hatch);
                hatch->addEntity(te);
            }
        }
    }

    addEntity(hatch);
    //getGraphic()->addEntity(rubbish);

    forcedCalculateBorders();

    // deactivate contour:
    activateContour(false);

    updateRunning = false;

    RS_DEBUG->print("RS_Hatch::update: OK");
}