void StitcherView::drawConstraintFit(geometrically_constrained_system *gc){
for(int i = 0;i<gc->n_constraints;i++){
GeometryConstraintType type = gc->constraints[i].type;
double fit = gc->constraints[i].best_fit;
if(type == RadialLineConstraint){
qreal x1,x2,y1,y2;
qreal scale = 10000;
x1 = cos(fit)*scale;
y1 = sin(fit)*scale;
x2 = -x1;
y2 = -y1;
QGraphicsLineItem * item = new QGraphicsLineItem(x1,y1,x2,y2);
QPen p = item->pen();
p.setStyle(Qt::DashLine);
QVector<qreal> dashes;
dashes << 25 << 15;
p.setDashPattern(dashes);
p.setColor(Qt::white);
item->setPen(p);
item->setZValue(10000);
scene()->addItem(item);
constraintFit.append(item);
}else if(type == CircleConstraint){
double radius = fit;
QGraphicsEllipseItem * item = new QGraphicsEllipseItem(-radius,-radius,2*radius,2*radius);
QPen p = item->pen();
p.setStyle(Qt::DashLine);
QVector<qreal> dashes;
dashes << 25 << 15;
p.setDashPattern(dashes);
p.setColor(Qt::white);
item->setPen(p);
item->setZValue(10000);
scene()->addItem(item);
constraintFit.append(item);
}
sp_vector ** cp_g = control_point_list_to_global(gc->constraints[i].points,gc->constraints[i].n_points);
QColor color = QColor::fromHsvF(1.0/3+(double)i/gc->n_constraints,1,1,1);
for(int j = 0;j<gc->constraints[i].n_points;j++){
QGraphicsEllipseItem * point = new QGraphicsEllipseItem(-4,-4,8,8);
point->setZValue(10001);
point->setPos(sp_vector_get(cp_g[j],0),sp_vector_get(cp_g[j],1));
point->setPen(QPen(color, 2));
point->setFlags(point->flags() | QGraphicsItem::ItemIgnoresTransformations);
scene()->addItem(point);
constraintFit.append(point);
}
}
}
void Scene::contextMenuEvent(QGraphicsSceneContextMenuEvent *sEvent)
{
if (isActive())
{
int x = (int) gem::round(sEvent->scenePos().x());
int y = (int) gem::round(sEvent->scenePos().y());
Point *point = dynamic_cast<Point*>(itemAt(x, y));
QGraphicsEllipseItem *ellipse = dynamic_cast<QGraphicsEllipseItem*>(itemAt(x, y));
if (point == 0 && ellipse == 0)
return;
else if (point != 0)
{
if (point->flags() & QGraphicsItem::ItemIsSelectable)
{
QMenu menu;
QAction *deleteAction = menu.addAction("Delete Point");
if (menu.exec(sEvent->screenPos()) == deleteAction)
{
removeItem(point);
polygonVector.remove(polygonVector.indexOf(point));
delete point;
if (polygonVector.empty())
emit vectorNotEmpty(false);
}
}
}
else if (ellipse != 0)
{
if (ellipse->flags() & QGraphicsItem::ItemIsSelectable)
{
QMenu menu;
QAction *deleteAction = menu.addAction("Delete Ellipse");
if (menu.exec(sEvent->screenPos()) == deleteAction)
{
removeItem(ellipse);
ellipseVector.remove(ellipseVector.indexOf(ellipse));
delete ellipse;
}
}
}
}
}
