RVector RSnapEntityBase::snap(
const RVector& position,
RGraphicsView& view,
double range) {
entityIds.clear();
RDocument* document = view.getDocument();
lastSnap = RVector::invalid;
if (document==NULL) {
lastSnap = position;
lastSnap.valid = false;
return lastSnap;
}
if (RMath::isNaN(range)) {
int rangePixels = RSettings::getSnapRange();
range = view.mapDistanceFromView(rangePixels);
}
RBox queryBox(position, range);
QSet<REntity::Id> candidates =
document->queryIntersectedEntitiesXY(
queryBox, true, true, RBlock::INVALID_ID);
return snap(position, view, candidates, queryBox);
}
RVector RSnapIntersection::snap(
const RVector& position,
RGraphicsView& view,
double range) {
entityIds.clear();
RDocument* document = view.getDocument();
if (document==NULL) {
lastSnap = position;
return lastSnap;
}
if (RMath::isNaN(range)) {
int rangePixels = RSettings::getSnapRange();
range = view.mapDistanceFromView(rangePixels);
}
RBox queryBox(position, range);
QMap<REntity::Id, QSet<int> > ids =
document->queryIntersectedShapesXY(
queryBox, true /*false?*/, true, RBlock::INVALID_ID,
QList<RS::EntityType>() << RS::EntityHatch);
return snap(position, view, ids, queryBox);
}
RVector RSnapEntityBase::snap(
const RVector& position,
RGraphicsView& view,
const QSet<REntity::Id>& candidates,
const RBox& queryBox) {
RDocument* document = view.getDocument();
if (document==NULL) {
return lastSnap;
}
REntity::Id entityId;
double minDist = RMAXDOUBLE;
double dist;
QSet<REntity::Id>::const_iterator it;
for (it=candidates.begin(); it!=candidates.end(); it++) {
// 20111112: query direct:
//QSharedPointer<REntity> e = document->queryEntityDirect(*it);
QSharedPointer<REntity> e = document->queryEntity(*it);
if (e.isNull()) {
continue;
}
RVector candidate =
position.getClosest2D(
snapEntity(e, position, queryBox, view)
);
dist = candidate.getDistanceTo2D(position);
if (dist<minDist) {
lastSnap = candidate;
minDist = dist;
entityId = e->getId();
}
}
if (!lastSnap.isValid()) {
lastSnap = position;
lastSnap.valid = false;
return lastSnap;
}
else {
entityIds.insert(entityId);
return lastSnap;
}
}
QList<RVector> ROrthoGrid::getIdealGridSpacing(RGraphicsView& view, int minPixelSpacing, const RVector& minSpacing, const RVector& minMetaSpacing) {
RS::Unit unit = view.getDocument()->getUnit();
RS::LinearFormat linearFormat = view.getDocument()->getLinearFormat();
QList<RVector> ret;
if (isFractionalFormat(linearFormat) && !RUnit::isMetric(unit)) {
double idealInchSpacing = RUnit::convert(view.mapDistanceFromView(qMax(minPixelSpacing, 1)), unit, RS::Inch);
RVector spacing = RUnit::convert(minSpacing, unit, RS::Inch);
spacing.x = inchAutoscale(spacing.x, idealInchSpacing, unit);
spacing.y = inchAutoscale(spacing.y, idealInchSpacing, unit);
spacing = RUnit::convert(spacing, RS::Inch, unit);
// never drop below min spacing:
if (spacing.x<minSpacing.x) {
spacing.x = minSpacing.x;
}
if (spacing.y<minSpacing.y) {
spacing.y = minSpacing.y;
}
RVector metaSpacing = spacing; // RVector(1.0 / 64, 1.0 / 64, 1.0 / 64);
metaSpacing.x = inchAutoscale(metaSpacing.x, idealInchSpacing * 4, unit);
metaSpacing.y = inchAutoscale(metaSpacing.y, idealInchSpacing * 4, unit);
metaSpacing = RUnit::convert(metaSpacing, RS::Inch, unit);
// never drop below min spacing:
if (metaSpacing.x<minMetaSpacing.x) {
metaSpacing.x = minMetaSpacing.x;
}
if (metaSpacing.y<minMetaSpacing.y) {
metaSpacing.y = minMetaSpacing.y;
}
// foot: never show meta grid of < 1 foot:
if (unit==RS::Foot) {
if (metaSpacing.x<1.0) {
metaSpacing.x = 1.0;
}
if (metaSpacing.y<1.0) {
metaSpacing.y = 1.0;
}
}
// if (metaSpacing.x < this->metaSpacing.x) {
// metaSpacing.x = this->metaSpacing.x;
// }
ret.append(spacing);
ret.append(metaSpacing);
return ret;
} else {
// ideal (minimum) grid spacing for the given view (some odd number):
double idealSpacing = view.mapDistanceFromView(qMax(minPixelSpacing, 1));
// idealSpacing = minSpacing * idealFactor
RVector idealFactor(idealSpacing / minSpacing.x,
idealSpacing / minSpacing.y);
// idealFactor = minSpacing * 10^n
RVector n(log(idealFactor.x / minSpacing.x) / log(10.0),
log(idealFactor.y / minSpacing.y) / log(10.0));
// factor = minSpacing * 10^ceil(n)
RVector factor(minSpacing.x * pow(10.0, ceil(n.x - 1.0e-6)),
minSpacing.y * pow(10.0, ceil(n.y - 1.0e-6)));
// never drop below min spacing:
if (factor.x<1.0) {
factor.x = 1.0;
}
if (factor.y<1.0) {
factor.y = 1.0;
}
// grid spacing:
double x, y;
x = minSpacing.x * factor.x;
y = minSpacing.y * factor.y;
ret.append(RVector(x,y));
// meta grid spacing:
double mx, my;
if (RMath::isNaN(minMetaSpacing.x)) {
mx = x * 10;
}
else {
//mx = minMetaSpacing.x * factor.x;
mx = minMetaSpacing.x;
}
if (RMath::isNaN(minMetaSpacing.y)) {
my = y * 10;
}
else {
//my = minMetaSpacing.y * factor.y;
my = minMetaSpacing.y;
}
ret.append(RVector(mx, my));
//ret.append(RVector(minSpacing.x * factor.x, minSpacing.y * factor.y));
//ret.append(RVector(minMetaSpacing.x * factor.x, minMetaSpacing.y * factor.y));
//ret.append(ret.at(0) * 10);
return ret;
}
}
RVector RSnapIntersection::snap(
const RVector& position,
RGraphicsView& view,
const QMap<REntity::Id, QSet<int> >& candidates,
const RBox& queryBox) {
RDocument* document = view.getDocument();
if (document==NULL) {
return lastSnap;
}
REntity::Id entityId1 = REntity::INVALID_ID;
REntity::Id entityId2 = REntity::INVALID_ID;
lastSnap = RVector::invalid;
double minDist = RMAXDOUBLE;
double dist;
QMap<REntity::Id, QSet<int> >::const_iterator it1;
for (it1=candidates.begin(); it1!=candidates.end(); it1++) {
if (RMouseEvent::hasMouseMoved()) {
lastSnap = RVector::invalid;
return RVector::invalid;
}
QSharedPointer<REntity> e1 = document->queryEntityDirect(it1.key());
if (e1.isNull()) {
continue;
}
if (e1->getType()==RS::EntityText ||
e1->getType()==RS::EntityAttribute ||
e1->getType()==RS::EntityAttributeDefinition) {
continue;
}
QMap<REntity::Id, QSet<int> >::const_iterator it2;
for (it2=it1; it2!=candidates.end(); it2++) {
if (RMouseEvent::hasMouseMoved()) {
lastSnap = RVector::invalid;
return RVector::invalid;
}
QSharedPointer<REntity> e2 = document->queryEntityDirect(it2.key());
if (e2.isNull()) {
continue;
}
if (e2->getType()==RS::EntityText ||
e2->getType()==RS::EntityAttribute ||
e2->getType()==RS::EntityAttributeDefinition) {
continue;
}
QList<RVector> candidates = e1->getIntersectionPoints(*e2, true, queryBox);
if (candidates.isEmpty()) {
continue;
}
RVector candidate = position.getClosest(candidates);
dist = candidate.getDistanceTo(position);
if (dist<minDist) {
lastSnap = candidate;
minDist = dist;
entityId1 = e1->getId();
entityId2 = e2->getId();
}
}
}
if (!lastSnap.isValid()) {
lastSnap = position;
lastSnap.valid = false;
return lastSnap;
}
else {
if (entityId1!=REntity::INVALID_ID) {
entityIds.insert(entityId1);
}
if (entityId2!=REntity::INVALID_ID) {
entityIds.insert(entityId2);
}
return lastSnap;
}
}
RVector RSnapAuto::snap(const RVector& position, RGraphicsView& view, double range) {
entityIds.clear();
if (RMath::isNaN(range)) {
int rangePixels = RSettings::getSnapRange();
range = view.mapDistanceFromView(rangePixels);
}
RDocument* document = view.getDocument();
if (document==NULL) {
lastSnap = position;
return lastSnap;
}
RSnapAuto::init();
if (RMath::isNaN(range)) {
int rangePixels = RSettings::getSnapRange();
range = view.mapDistanceFromView(rangePixels);
}
// matching ids per query range:
QList<QSet<REntity::Id> > idsList;
QList<RBox> queryBoxList;
bool foundEntities = false;
for (double r=range/1.0; r<=range+RS::PointTolerance; r+=range/1.0) {
RBox queryBox(position, r);
queryBoxList.append(queryBox);
QMap<REntity::Id, QSet<int> > ids = document->queryIntersectedShapesXY(
queryBox, true, true, RBlock::INVALID_ID
// 20151027: allow snapping to hatch end points, etc:
/*, QList<RS::EntityType>() << RS::EntityHatch*/);
idsList.append(ids.keys().toSet());
if (ids.isEmpty()) {
continue;
}
foundEntities = true;
// intersection
if (intersections) {
RSnapIntersection snapIntersection;
lastSnap = snapIntersection.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Intersection;
entityIds = snapIntersection.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// interrupted by mouse move:
if (RMouseEvent::hasMouseMoved()) {
status = RSnap::Free;
return position;
}
// end points:
if (foundEntities && endPoints) {
for (int k=0; k<idsList.size() && k<queryBoxList.size(); k++) {
// query box and matching IDs cached from intersection snap:
RBox queryBox = queryBoxList.at(k);
QSet<REntity::Id> ids = idsList.at(k);
RSnapEnd snapEnd;
lastSnap = snapEnd.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Endpoint;
entityIds = snapEnd.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// middle points:
if (foundEntities && middlePoints) {
for (int k=0; k<idsList.size() && k<queryBoxList.size(); k++) {
// query box and matching IDs cached from intersection snap:
RBox queryBox = queryBoxList.at(k);
QSet<REntity::Id> ids = idsList.at(k);
RSnapMiddle snapMiddle;
lastSnap = snapMiddle.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Middle;
entityIds = snapMiddle.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// center points:
if (foundEntities && centerPoints) {
for (int k=0; k<idsList.size() && k<queryBoxList.size(); k++) {
// query box and matching IDs cached from intersection snap:
RBox queryBox = queryBoxList.at(k);
QSet<REntity::Id> ids = idsList.at(k);
RSnapCenter snapCenter;
lastSnap = snapCenter.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Center;
entityIds = snapCenter.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// perpendicular:
if (foundEntities && perpendicular) {
for (int k=0; k<idsList.size() && k<queryBoxList.size(); k++) {
// query box and matching IDs cached from intersection snap:
RBox queryBox = queryBoxList.at(k);
QSet<REntity::Id> ids = idsList.at(k);
RSnapPerpendicular snapPerpendicular;
lastSnap = snapPerpendicular.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Perpendicular;
entityIds = snapPerpendicular.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// reference points:
if (foundEntities && referencePoints) {
for (int k=0; k<idsList.size() && k<queryBoxList.size(); k++) {
// query box and matching IDs cached from intersection snap:
RBox queryBox = queryBoxList.at(k);
QSet<REntity::Id> ids = idsList.at(k);
RSnapReference snapReference;
lastSnap = snapReference.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Reference;
entityIds = snapReference.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// grid points:
if (gridPoints) {
RSnapGrid snapGrid;
lastSnap = snapGrid.snap(position, view, range);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::Grid;
return lastSnap;
}
lastSnap = RVector::invalid;
}
// on entity snap is slow and almost never used:
if (foundEntities && pointsOnEntity) {
for (int k=0; k<idsList.size() && k<queryBoxList.size(); k++) {
// query box and matching IDs cached from intersection snap:
RBox queryBox = queryBoxList.at(k);
QSet<REntity::Id> ids = idsList.at(k);
// on entity
RSnapOnEntity snapOnEntity;
lastSnap = snapOnEntity.snap(position, view, ids, queryBox);
if (lastSnap.isValid() && lastSnap.getDistanceTo2d(position) < range) {
status = RSnap::OnEntity;
entityIds = snapOnEntity.getEntityIds();
return lastSnap;
}
}
lastSnap = RVector::invalid;
}
// free:
if (freePositioning) {
lastSnap = position;
status = RSnap::Free;
return lastSnap;
}
return RVector::invalid;
}