/**
* Implementation of update. Updates the arrow.
*/
void RS_Leader::update() {
// find and delete arrow:
for(auto e: entities){
if (e->rtti()==RS2::EntitySolid) {
removeEntity(e);
break;
}
}
if (isUndone()) {
return;
}
RS_Entity* fe = firstEntity();
if (fe && fe->isAtomic()) {
RS_Vector p1 = ((RS_AtomicEntity*)fe)->getStartpoint();
RS_Vector p2 = ((RS_AtomicEntity*)fe)->getEndpoint();
// first entity must be the line which gets the arrow:
if (hasArrowHead()) {
RS_Solid* s = new RS_Solid(this, RS_SolidData());
s->shapeArrow(p1,
p2.angleTo(p1),
getGraphicVariableDouble("$DIMASZ", 2.5)* getGraphicVariableDouble("$DIMSCALE", 1.0));
s->setPen(RS_Pen(RS2::FlagInvalid));
s->setLayer(nullptr);
RS_EntityContainer::addEntity(s);
}
}
calculateBorders();
}
/**
* Implementation of update. Updates the arrow.
*/
void RS_Leader::update() {
// find and delete arrow:
for (RS_Entity* e=firstEntity(); e!=NULL; e=nextEntity()) {
if (e->rtti()==RS2::EntitySolid) {
removeEntity(e);
break;
}
}
if (isUndone()) {
setVisible(false);
return;
}
RS_Entity* fe = firstEntity();
if (fe!=NULL && fe->isAtomic()) {
RS_Vector p1 = ((RS_AtomicEntity*)fe)->getStartpoint();
RS_Vector p2 = ((RS_AtomicEntity*)fe)->getEndpoint();
// first entity must be the line which gets the arrow:
if (hasArrowHead()) {
RS_Solid* s = new RS_Solid(this, RS_SolidData());
s->shapeArrow(p1,
p2.angleTo(p1),
getGraphicVariableDouble("$DIMASZ", 2.5));
s->setPen(RS_Pen(RS2::FlagInvalid));
s->setLayer(NULL);
RS_EntityContainer::addEntity(s);
}
}
}
/**
* Adds a vertex from the endpoint of the last element or
* sets the startpoint to the point 'v'.
*
* The very first vertex added is the starting point.
*
* @param v vertex coordinate
*
* @return Pointer to the entity that was added or nullptr if this
* was the first vertex added.
*/
RS_Entity* RS_Leader::addVertex(const RS_Vector& v) {
RS_Entity* entity{nullptr};
static RS_Vector last = RS_Vector{false};
if (empty) {
last = v;
empty = false;
} else {
// add line to the leader:
entity = new RS_Line{this, {last, v}};
entity->setPen(RS_Pen(RS2::FlagInvalid));
entity->setLayer(nullptr);
RS_EntityContainer::addEntity(entity);
if (count()==1 && hasArrowHead()) {
update();
}
last = v;
}
return entity;
}
/**
* Adds a vertex from the endpoint of the last element or
* sets the startpoint to the point 'v'.
*
* The very first vertex added is the starting point.
*
* @param v vertex coordinate
*
* @return Pointer to the entity that was addded or NULL if this
* was the first vertex added.
*/
RS_Entity* RS_Leader::addVertex(const RS_Vector& v) {
RS_Entity* entity=NULL;
static RS_Vector last = RS_Vector(false);
if (empty) {
last = v;
empty = false;
} else {
// add line to the leader:
entity = new RS_Line(this, RS_LineData(last, v));
entity->setPen(RS_Pen(RS2::FlagInvalid));
entity->setLayer(NULL);
RS_EntityContainer::addEntity(entity);
if (count()==1 && hasArrowHead()) {
update();
}
last = v;
}
return entity;
}
