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[Sketcher] Support splitting B-splines at knots

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This commit is contained in:
Ajinkya Dahale
2022-07-10 23:51:52 +05:30
committed by abdullahtahiriyo
parent 6c8cb8e58d
commit cbf40d528b
1 changed files with 49 additions and 14 deletions
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63
src/Mod/Sketcher/Gui/DrawSketchHandlerSplitting.h
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@@ -58,6 +58,15 @@ public:
return true;
}
}
else if (element.substr(0,6) == "Vertex") {
int VertId = std::atoi(element.substr(6,4000).c_str()) - 1;
int GeoId = Sketcher::GeoEnum::GeoUndef;
Sketcher::PointPos PosId = Sketcher::PointPos::none;
Sketcher::SketchObject *Sketch = static_cast<Sketcher::SketchObject*>(object);
Sketch->getGeoVertexIndex(VertId, GeoId, PosId);
if (isBsplineKnot(Sketch, GeoId))
return true;
}
return false;
}
};
@@ -85,25 +94,51 @@ public:
bool releaseButton(Base::Vector2d onSketchPos) override
{
int GeoId = getPreselectCurve();
if (GeoId >= 0) {
const Part::Geometry *geom = sketchgui->getSketchObject()->getGeometry(GeoId);
int GeoId = Sketcher::GeoEnum::GeoUndef;
int curveGeoId = getPreselectCurve();
if (curveGeoId >= 0) {
const Part::Geometry *geom = sketchgui->getSketchObject()->getGeometry(curveGeoId);
if (geom->getTypeId() == Part::GeomLineSegment::getClassTypeId()
|| geom->getTypeId() == Part::GeomCircle::getClassTypeId()
|| geom->getTypeId() == Part::GeomEllipse::getClassTypeId()
|| geom->isDerivedFrom(Part::GeomArcOfConic::getClassTypeId())
|| geom->getTypeId() == Part::GeomBSplineCurve::getClassTypeId()) {
try {
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Split edge"));
Gui::cmdAppObjectArgs(sketchgui->getObject(), "split(%d,App.Vector(%f,%f,0))",
GeoId, onSketchPos.x, onSketchPos.y);
Gui::Command::commitCommand();
tryAutoRecompute(static_cast<Sketcher::SketchObject *>(sketchgui->getObject()));
}
catch (const Base::Exception& e) {
Base::Console().Error("Failed to split edge: %s\n", e.what());
Gui::Command::abortCommand();
}
GeoId = curveGeoId;
}
}
else {
// No curve of interest is pre-selected. Try pre-selected point.
int pointGeoId = getPreselectPoint();
if (pointGeoId >=0) {
// TODO: This has to be a knot. Find the spline.
const auto& constraints = getSketchObject()->Constraints.getValues();
const auto& conIt = std::find_if(
constraints.begin(), constraints.end(),
[pointGeoId](auto constr) {
return (constr->Type == Sketcher::InternalAlignment &&
constr->AlignmentType == Sketcher::BSplineKnotPoint &&
constr->First == pointGeoId);
});
if (conIt != constraints.end())
GeoId = (*conIt)->Second;
}
}
if (GeoId >= 0) {
try {
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Split edge"));
Gui::cmdAppObjectArgs(sketchgui->getObject(), "split(%d,App.Vector(%f,%f,0))",
GeoId, onSketchPos.x, onSketchPos.y);
Gui::Command::commitCommand();
tryAutoRecompute(static_cast<Sketcher::SketchObject *>(sketchgui->getObject()));
}
catch (const Base::Exception& e) {
Base::Console().Error("Failed to split edge: %s\n", e.what());
Gui::Command::abortCommand();
}
}
else {