QVector<RS_Entity* > RS_Circle::offsetTwoSides(const double& distance) const
{
QVector<RS_Entity*> ret(0,NULL);
ret<<new RS_Circle(NULL,RS_CircleData(getCenter(),getRadius()+distance));
if(getRadius()>distance)
ret<<new RS_Circle(NULL,RS_CircleData(getCenter(),getRadius()-distance));
return ret;
}
QList<RS_Circle> RS_Circle::createTan3(const QVector<RS_AtomicEntity*>& circles)
{
QList<RS_Circle> ret;
if(circles.size()!=3) return ret;
QList<RS_Circle> cs;
for(unsigned short i=0;i<3;i++){
cs<<RS_Circle(NULL,RS_CircleData(circles.at(i)->getCenter(),circles.at(i)->getRadius()));
}
unsigned short flags=0;
do{
ret.append(solveAppolloniusSingle(cs));
flags++;
unsigned short j=0;
for(unsigned short i=1u;i<=4u;i<<=1){
if(flags & i) {
cs[j].setRadius( - fabs(cs[j].getRadius()));
}else{
cs[j].setRadius( fabs(cs[j].getRadius()));
}
j++;
}
}while(flags<8u);
// std::cout<<__FILE__<<" : "<<__FUNCTION__<<" : line "<<__LINE__<<std::endl;
// std::cout<<"before testing, ret.size()="<<ret.size()<<std::endl;
for(int i=0;i<ret.size();){
if(ret[i].testTan3(circles) == false) {
ret.erase(ret.begin()+i);
}else{
i++;
}
}
// std::cout<<"after testing, ret.size()="<<ret.size()<<std::endl;
return ret;
}
void RS_ActionSnapIntersectionManual::mouseMoveEvent(QMouseEvent* e) {
RS_DEBUG->print("RS_ActionSnapIntersectionManual::mouseMoveEvent begin");
RS_Entity* se = catchEntity(e);
RS_Vector mouse = graphicView->toGraph(e->x(), e->y());
switch (getStatus()) {
case ChooseEntity1:
entity1 = se;
break;
case ChooseEntity2: {
entity2 = se;
coord = mouse;
RS_VectorSolutions sol =
RS_Information::getIntersection(entity1, entity2, false);
//for (int i=0; i<sol.getNumber(); i++) {
// ip = sol.get(i);
// break;
//}
RS_Vector ip = sol.getClosest(coord);
if (ip.valid) {
deletePreview();
preview->addEntity(
new RS_Circle(preview.get(),
RS_CircleData(
ip,
graphicView->toGraphDX(4))));
drawPreview();
RS_DIALOGFACTORY->updateCoordinateWidget(ip,
ip - graphicView->getRelativeZero());
}
}
break;
default:
break;
}
RS_DEBUG->print("RS_ActionSnapIntersectionManual::mouseMoveEvent end");
}
void RS_ActionDrawCircleCR::reset() {
data = RS_CircleData(RS_Vector(false), 0.0);
}
void RS_ActionDrawArc::mouseMoveEvent(QMouseEvent* e) {
RS_DEBUG->print("RS_ActionDrawArc::mouseMoveEvent begin");
RS_Vector mouse = snapPoint(e);
switch (getStatus()) {
case SetCenter:
data.center = mouse;
break;
case SetRadius:
if (data.center.valid) {
data.radius = data.center.distanceTo(mouse);
deletePreview();
preview->addEntity(new RS_Circle(preview,
RS_CircleData(data.center,
data.radius)));
drawPreview();
}
break;
case SetAngle1:
data.angle1 = data.center.angleTo(mouse);
if (data.reversed) {
data.angle2 = RS_Math::correctAngle(data.angle1-M_PI/3);
} else {
data.angle2 = RS_Math::correctAngle(data.angle1+M_PI/3);
}
deletePreview();
preview->addEntity(new RS_Arc(preview,
data));
drawPreview();
break;
case SetAngle2:
data.angle2 = data.center.angleTo(mouse);
deletePreview();
preview->addEntity(new RS_Arc(preview,
data));
drawPreview();
break;
case SetIncAngle:
data.angle2 = data.angle1 + data.center.angleTo(mouse);
deletePreview();
preview->addEntity(new RS_Arc(preview,
data));
drawPreview();
break;
case SetChordLength: {
double x = data.center.distanceTo(mouse);
if (fabs(x/(2*data.radius))<=1.0) {
data.angle2 = data.angle1 + asin(x/(2*data.radius)) * 2;
deletePreview();
preview->addEntity(new RS_Arc(preview,
data));
drawPreview();
}
}
break;
default:
break;
}
RS_DEBUG->print("RS_ActionDrawArc::mouseMoveEvent end");
}
/** solve one of the eight Appollonius Equations
| Cx - Ci|^2=(Rx+Ri)^2
with Cx the center of the common tangent circle, Rx the radius. Ci and Ri are the Center and radius of the i-th existing circle
**/
QList<RS_Circle> RS_Circle::solveAppolloniusSingle(const QList<RS_Circle>& circles)
{
// std::cout<<__FILE__<<" : "<<__FUNCTION__<<" : line "<<__LINE__<<std::endl;
// for(int i=0;i<circles.size();i++){
//std::cout<<"i="<<i<<"\t center="<<circles[i].getCenter()<<"\tr="<<circles[i].getRadius()<<std::endl;
// }
QList<RS_Circle> ret;
QList<RS_Vector> centers;
QList<double> radii;
for(size_t i=0;i<3;i++){
if(circles[i].getCenter().valid==false) return ret;
centers.push_back(circles[i].getCenter());
radii.push_back(fabs(circles[i].getRadius()));
}
/** form the linear equation to solve center in radius **/
QVector<QVector<double> > mat(2,QVector<double>(3,0.));
mat[0][0]=centers[2].x - centers[0].x;
mat[0][1]=centers[2].y - centers[0].y;
mat[1][0]=centers[2].x - centers[1].x;
mat[1][1]=centers[2].y - centers[1].y;
if(fabs(mat[0][0]*mat[1][1] - mat[0][1]*mat[1][0])<RS_TOLERANCE*RS_TOLERANCE){
// DEBUG_HEADER();
// std::cout<<"The provided circles are in a line, not common tangent circle"<<std::endl;
size_t i0=0;
if( centers[0].distanceTo(centers[1]) <= RS_TOLERANCE || centers[0].distanceTo(centers[2]) <= RS_TOLERANCE) i0 = 1;
LC_Quadratic lc0(& (circles[i0]), & (circles[(i0+1)%3]));
LC_Quadratic lc1(& (circles[i0]), & (circles[(i0+2)%3]));
auto&& c0 = LC_Quadratic::getIntersection(lc0, lc1);
// qDebug()<<"c0.size()="<<c0.size();
for(size_t i=0; i<c0.size(); i++){
const double dc = c0[i].distanceTo(centers[i0]);
ret<<RS_Circle(NULL, RS_CircleData(c0[i], fabs(dc - radii[i0])));
if( dc > radii[i0]) {
ret<<RS_Circle(NULL, RS_CircleData(c0[i], dc + radii[i0]));
}
}
return ret;
}
// r^0 term
mat[0][2]=0.5*(centers[2].squared()-centers[0].squared()+radii[0]*radii[0]-radii[2]*radii[2]);
mat[1][2]=0.5*(centers[2].squared()-centers[1].squared()+radii[1]*radii[1]-radii[2]*radii[2]);
std::cout<<__FILE__<<" : "<<__FUNCTION__<<" : line "<<__LINE__<<std::endl;
for(unsigned short i=0;i<=1;i++){
std::cout<<"eqs P:"<<i<<" : "<<mat[i][0]<<"*x + "<<mat[i][1]<<"*y = "<<mat[i][2]<<std::endl;
}
// QVector<QVector<double> > sm(2,QVector<double>(2,0.));
QVector<double> sm(2,0.);
if(RS_Math::linearSolver(mat,sm)==false){
return ret;
}
RS_Vector vp(sm[0],sm[1]);
// std::cout<<__FILE__<<" : "<<__FUNCTION__<<" : line "<<__LINE__<<std::endl;
// std::cout<<"vp="<<vp<<std::endl;
// r term
mat[0][2]= radii[0]-radii[2];
mat[1][2]= radii[1]-radii[2];
// for(unsigned short i=0;i<=1;i++){
// std::cout<<"eqs Q:"<<i<<" : "<<mat[i][0]<<"*x + "<<mat[i][1]<<"*y = "<<mat[i][2]<<std::endl;
// }
if(RS_Math::linearSolver(mat,sm)==false){
return ret;
}
RS_Vector vq(sm[0],sm[1]);
// std::cout<<"vq="<<vq<<std::endl;
//form quadratic equation for r
RS_Vector dcp=vp-centers[0];
double a=vq.squared()-1.;
if(fabs(a)<RS_TOLERANCE*1e-4) {
return ret;
}
std::vector<double> ce(0,0.);
ce.push_back(2.*(dcp.dotP(vq)-radii[0])/a);
ce.push_back((dcp.squared()-radii[0]*radii[0])/a);
std::vector<double>&& vr=RS_Math::quadraticSolver(ce);
for(size_t i=0; i < vr.size();i++){
if(vr.at(i)<RS_TOLERANCE) continue;
ret<<RS_Circle(NULL,RS_CircleData(vp+vq*vr.at(i),vr.at(i)));
}
// std::cout<<__FILE__<<" : "<<__FUNCTION__<<" : line "<<__LINE__<<std::endl;
// std::cout<<"Found "<<ret.size()<<" solutions"<<std::endl;
return ret;
}
/**
* We could properly speed this up by calling the draw function of this snapper within the paint event
* this will avoid creating/deletion of the lines
*/
void RS_Snapper::drawSnapper() {
graphicView->getOverlayContainer(RS2::Snapper)->clear();
if (!finished && snapSpot.valid) {
RS_EntityContainer *container=graphicView->getOverlayContainer(RS2::Snapper);
RS_Pen crossHairPen(RS_Color(255,194,0), RS2::Width00, RS2::DashLine2);
if (snapCoord.valid) {
RS_DEBUG->print("RS_Snapper::Snapped draw start");
// Pen for snapper
RS_Pen pen(RS_Color(255,194,0), RS2::Width00, RS2::SolidLine);
pen.setScreenWidth(1);
// Circle to show snap area
RS_Circle *circle=new RS_Circle(NULL, RS_CircleData(snapCoord, 4/graphicView->getFactor().x));
circle->setPen(pen);
container->addEntity(circle);
// crosshairs:
if (showCrosshairs==true) {
if(graphicView->isGridIsometric()) {//isometric crosshair
RS2::CrosshairType chType=graphicView->getCrosshairType();
RS_Vector direction1;
RS_Vector direction2(0.,1.);
double l=graphicView->getWidth()+graphicView->getHeight();
switch(chType){
case RS2::RightCrosshair:
direction1=RS_Vector(M_PI*5./6.)*l;
direction2*=l;
break;
case RS2::LeftCrosshair:
direction1=RS_Vector(M_PI*1./6.)*l;
direction2*=l;
break;
default:
direction1=RS_Vector(M_PI*1./6.)*l;
direction2=RS_Vector(M_PI*5./6.)*l;
}
RS_Vector center(graphicView->toGui(snapCoord));
RS_OverlayLine *line=new RS_OverlayLine(NULL,RS_LineData(center-direction1,center+direction1));
line->setPen(crossHairPen);
container->addEntity(line);
line=new RS_OverlayLine(NULL,RS_LineData(center-direction2,center+direction2));
line->setPen(crossHairPen);
container->addEntity(line);
}else{//orthogonal crosshair
RS_OverlayLine *line=new RS_OverlayLine(NULL, RS_LineData(RS_Vector(0, graphicView->toGuiY(snapCoord.y)),
RS_Vector(graphicView->getWidth(), graphicView->toGuiY(snapCoord.y))));
line->setPen(crossHairPen);
container->addEntity(line);
line=new RS_OverlayLine(NULL, RS_LineData(RS_Vector(graphicView->toGuiX(snapCoord.x),0),
RS_Vector(graphicView->toGuiX(snapCoord.x), graphicView->getHeight())));
line->setPen(crossHairPen);
container->addEntity(line);
}
}
graphicView->redraw(RS2::RedrawOverlay); // redraw will happen in the mouse movement event
RS_DEBUG->print("RS_Snapper::Snapped draw end");
}
if (snapCoord.valid && snapCoord!=snapSpot) {
RS_OverlayLine *line=new RS_OverlayLine(NULL, RS_LineData(graphicView->toGui(snapSpot)+RS_Vector(-5,0),
graphicView->toGui(snapSpot)+RS_Vector(-1,4)));
line->setPen(crossHairPen);
container->addEntity(line);
line=new RS_OverlayLine(NULL, RS_LineData(graphicView->toGui(snapSpot)+RS_Vector(0,5),
graphicView->toGui(snapSpot)+RS_Vector(4,1)));
line->setPen(crossHairPen);
container->addEntity(line);
line=new RS_OverlayLine(NULL, RS_LineData(graphicView->toGui(snapSpot)+RS_Vector(5,0),
graphicView->toGui(snapSpot)+RS_Vector(1,-4)));
line->setPen(crossHairPen);
container->addEntity(line);
line=new RS_OverlayLine(NULL, RS_LineData(graphicView->toGui(snapSpot)+RS_Vector(0,-5),
graphicView->toGui(snapSpot)+RS_Vector(-4,-1)));
line->setPen(crossHairPen);
container->addEntity(line);
graphicView->redraw(RS2::RedrawOverlay); // redraw will happen in the mouse movement event
}
}
}
/*RS_EntityContainer* parent,
const RS_LineData& d*/
Plugin_Entity::Plugin_Entity(RS_EntityContainer* parent, enum DPI::ETYPE type){
hasContainer = false;
entity = NULL;
switch (type) {
case DPI::POINT:
entity = new RS_Point(parent, RS_PointData(RS_Vector(0,0)));
break;
case DPI::LINE:
entity = new RS_Line(parent, RS_LineData());
break;
/* case DPI::CONSTRUCTIONLINE:
entity = new RS_ConstructionLine();
break;*/
case DPI::CIRCLE:
entity = new RS_Circle(parent, RS_CircleData());
break;
case DPI::ARC:
entity = new RS_Arc(parent, RS_ArcData());
break;
case DPI::ELLIPSE:
entity = new RS_Ellipse(parent, RS_EllipseData(RS_Vector(0,0), RS_Vector(0,0),0.0,0.0,0.0,false));
break;
case DPI::IMAGE:
entity = new RS_Image(parent, RS_ImageData());
break;
/* case DPI::OVERLAYBOX:
entity = new RS_OverlayBox();
break;
case DPI::SOLID:
entity = new RS_Solid();
break;*/
case DPI::TEXT:
entity = new RS_Text(parent, RS_TextData());
break;
/* case DPI::INSERT:
entity = new RS_Insert();
break;*/
case DPI::POLYLINE:
entity = new RS_Polyline(parent, RS_PolylineData());
break;
/* case DPI::SPLINE:
entity = new RS_Spline();
break;
case DPI::HATCH:
entity = new RS_Hatch();
break;
case DPI::DIMLEADER:
entity = new RS_Leader();
break;
case DPI::DIMALIGNED:
entity = new RS_DimAligned();
break;
case DPI::DIMLINEAR:
entity = new RS_DimLinear();
break;
case DPI::DIMRADIAL:
entity = new RS_DimRadial();
break;
case DPI::DIMDIAMETRIC:
entity = new RS_DimDiametric();
break;
case DPI::DIMANGULAR:
entity = new RS_DimAngular();
break;*/
default:
break;
}
}
/**
* Creates a tangent between a given point and a circle or arc.
* Out of the 2 possible tangents, the one closest to
* the given coordinate is returned.
*
* @param coord Coordinate to define which tangent we want (typically a
* mouse coordinate).
* @param point Point.
* @param circle Circle, arc or ellipse entity.
*/
RS_Line* RS_Creation::createTangent1(const RS_Vector& coord,
const RS_Vector& point,
RS_Entity* circle) {
RS_Line* ret = NULL;
RS_Vector circleCenter;
// check given entities:
if (circle==NULL || !point.valid ||
(circle->rtti()!=RS2::EntityArc && circle->rtti()!=RS2::EntityCircle
&& circle->rtti()!=RS2::EntityEllipse)) {
return NULL;
}
if (circle->rtti()==RS2::EntityCircle) {
circleCenter = ((RS_Circle*)circle)->getCenter();
} else if (circle->rtti()==RS2::EntityArc) {
circleCenter = ((RS_Arc*)circle)->getCenter();
} else if (circle->rtti()==RS2::EntityEllipse) {
circleCenter = ((RS_Ellipse*)circle)->getCenter();
}
// the two tangent points:
RS_VectorSolutions sol;
// calculate tangent points for arcs / circles:
if (circle->rtti()!=RS2::EntityEllipse) {
// create temp. thales circle:
RS_Vector tCenter = (point + circleCenter)/2.0;
double tRadius = point.distanceTo(tCenter);
RS_Circle tmp(NULL, RS_CircleData(tCenter, tRadius));
// get the two intersection points which are the tangent points:
sol = RS_Information::getIntersection(&tmp, circle, false);
}
// calculate tangent points for ellipses:
else {
RS_Ellipse* el = (RS_Ellipse*)circle;
//sol.alloc(2);
//sol.set(0, circleCenter);
//sol.set(1, circleCenter);
double a = el->getMajorRadius(); // the length of the major axis / 2
double b = el->getMinorRadius(); // the length of the minor axis / 2
// rotate and move point:
RS_Vector point2 = point;
point2.move(-el->getCenter());
point2.rotate(-el->getAngle());
double xp = point2.x; // coordinates of the given point
double yp = point2.y;
double xt1; // Tangent point 1
double yt1;
double xt2; // Tangent point 2
double yt2;
double a2 = a * a;
double b2 = b * b;
double d = a2 / b2 * yp / xp;
double e = a2 / xp;
double af = b2 * d * d + a2;
double bf = -b2 * d * e * 2.0;
double cf = b2 * e * e - a2 * b2;
double t = sqrt(bf * bf - af * cf * 4.0);
yt1 = (t - bf) / (af * 2.0);
xt1 = e - d * yt1;
yt2 = (-t - bf) / (af * 2.0);
xt2 = e - d * yt2;
RS_Vector s1 = RS_Vector(xt1, yt1);
RS_Vector s2 = RS_Vector(xt2, yt2);
s1.rotate(el->getAngle());
s1.move(el->getCenter());
s2.rotate(el->getAngle());
s2.move(el->getCenter());
sol.push_back(s1);
sol.push_back(s2);
}
if (sol.getNumber() < 2 ) {
return NULL;
}
if (!sol.get(0).valid || !sol.get(1).valid) {
return NULL;
}
// create all possible tangents:
RS_Line* poss[2];
RS_LineData d;
d = RS_LineData(sol.get(0), point);
poss[0] = new RS_Line(NULL, d);
d = RS_LineData(sol.get(1), point);
poss[1] = new RS_Line(NULL, d);
// find closest tangent:
double minDist = RS_MAXDOUBLE;
double dist;
int idx = -1;
for (int i=0; i<2; ++i) {
dist = poss[i]->getDistanceToPoint(coord);
if (dist<minDist) {
minDist = dist;
idx = i;
}
}
// create the closest tangent:
if (idx!=-1) {
RS_LineData d = poss[idx]->getData();
for (int i=0; i<2; ++i) {
delete poss[i];
}
if (document!=NULL && handleUndo) {
document->startUndoCycle();
}
ret = new RS_Line(container, d);
ret->setLayerToActive();
ret->setPenToActive();
if (container!=NULL) {
container->addEntity(ret);
}
if (document!=NULL && handleUndo) {
document->addUndoable(ret);
document->endUndoCycle();
}
if (graphicView!=NULL) {
graphicView->drawEntity(ret);
}
} else {
ret = NULL;
}
return ret;
}
