private bool SegSelected()
{
if (mController.LastSelSegment == null)
{
return(false);
}
MarkSegment seg = mController.LastSelSegment.Value;
CadFigure fig = mController.DB.GetFigure(seg.FigureID);
if (fig == null)
{
return(false);
}
if (fig.Type != CadFigure.Types.POLY_LINES)
{
return(false);
}
bool handle = false;
handle |= fig.GetPointAt(seg.PtIndexA).IsHandle;
handle |= fig.GetPointAt(seg.PtIndexB).IsHandle;
if (handle)
{
return(false);
}
return(true);
}
public bool InsPointToLastSelectedSeg()
{
if (LastSelSegment == null)
{
return(false);
}
MarkSegment seg = LastSelSegment.Value;
CadFigure fig = DB.GetFigure(seg.FigureID);
if (fig == null)
{
return(false);
}
if (fig.Type != CadFigure.Types.POLY_LINES)
{
return(false);
}
bool handle = false;
handle |= fig.GetPointAt(seg.PtIndexA).IsHandle;
handle |= fig.GetPointAt(seg.PtIndexB).IsHandle;
if (handle)
{
return(false);
}
int ins = 0;
int ins0 = Math.Min(seg.PtIndexA, seg.PtIndexB);
int ins1 = Math.Max(seg.PtIndexA, seg.PtIndexB);
if (ins0 == 0 && ins1 == fig.PointCount - 1)
{
ins = ins1 + 1;
}
else
{
ins = ins1;
}
DOut.pl($"ins={ins} pcnt={fig.PointCount}");
fig.InsertPointAt(ins, (CadVertex)LastDownPoint);
ClearSelection();
fig.SelectPointAt(ins, true);
return(true);
}
public void CutSegment()
{
if (LastSelSegment == null)
{
return;
}
MarkSegment ms = LastSelSegment.Value;
CutSegment(ms);
ClearSelection();
}
public void SetSelectedSegLen(double len)
{
if (Controller.LastSelSegment == null)
{
return;
}
MarkSegment seg = Controller.LastSelSegment.Value;
if (seg.FigureID == 0)
{
return;
}
CadFigure fig = Controller.DB.GetFigure(seg.FigureID);
CadVertex pa = fig.GetPointAt(seg.PtIndexA);
CadVertex pb = fig.GetPointAt(seg.PtIndexB);
Vector3d v;
v = pa.vector - Controller.LastDownPoint;
double da = v.Norm();
v = pb.vector - Controller.LastDownPoint;
double db = v.Norm();
if (da < db)
{
Vector3d np = CadMath.LinePoint(pb.vector, pa.vector, len);
Controller.StartEdit();
pa.vector = np;
fig.SetPointAt(seg.PtIndexA, pa);
Controller.EndEdit();
}
else
{
Vector3d np = CadMath.LinePoint(pa.vector, pb.vector, len);
Controller.StartEdit();
pb.vector = np;
fig.SetPointAt(seg.PtIndexB, pb);
Controller.EndEdit();
}
}
public void CutSegment(MarkSegment ms)
{
if (!ms.Valid)
{
return;
}
if (!ms.CrossPoint.IsValid())
{
return;
}
var res = CadSegmentCutter.CutSegment(mDB, ms, ms.CrossPoint);
if (!res.isValid())
{
return;
}
CadOpeList opeRoot = new CadOpeList();
CadOpe ope;
foreach (EditResult.Item ri in res.AddList)
{
CadLayer layer = mDB.GetLayer(ri.LayerID);
ope = new CadOpeAddFigure(ri.LayerID, ri.FigureID);
opeRoot.OpeList.Add(ope);
layer.AddFigure(ri.Figure);
}
foreach (EditResult.Item ri in res.RemoveList)
{
CadLayer layer = mDB.GetLayer(ri.LayerID);
ope = new CadOpeRemoveFigure(layer, ri.FigureID);
opeRoot.OpeList.Add(ope);
layer.RemoveFigureByID(ri.FigureID);
}
HistoryMan.foward(opeRoot);
}
public bool ToBezier(MarkSegment seg)
{
if (seg.FigureID == 0)
{
return(false);
}
CadFigure fig = mDB.GetFigure(seg.FigureID);
int num = CadUtil.InsertBezierHandle(fig, seg.PtIndexA, seg.PtIndexB);
bool ret = num > 0;
if (ret)
{
CadOpe ope = new CadOpeInsertPoints(
fig.LayerID, fig.ID, seg.PtIndexA + 1, num);
HistoryMan.foward(ope);
}
return(ret);
}
