public void Rewind(uint path_id)
{
m_source.Rewind(path_id);
m_last_x = 0.0;
m_last_y = 0.0;
m_curve3.reset();
m_curve4.Reset();
}
public void MakeVxs(VertexStoreSnap vsnap, VertexStore vxs)
{
m_curve3.Reset();
m_curve4.Reset();
var snapIter = vsnap.GetVertexSnapIter();
CurvePointMode latestCurveMode = CurvePointMode.NotCurve;
double x, y;
VertexCmd cmd;
VectorMath.Vector2 c3p2 = new VectorMath.Vector2();
VectorMath.Vector2 c4p2 = new VectorMath.Vector2();
VectorMath.Vector2 c4p3 = new VectorMath.Vector2();
double lastX = 0;
double lasty = 0;
double lastMoveX = 0;
double lastMoveY = 0;
do
{
//this vertex
cmd = snapIter.GetNextVertex(out x, out y);
switch (cmd)
{
case VertexCmd.P2c:
{
switch (latestCurveMode)
{
case CurvePointMode.P2:
{
}
break;
case CurvePointMode.P3:
{
}
break;
case CurvePointMode.NotCurve:
{
c3p2.x = x;
c3p2.y = y;
}
break;
default:
{
}
break;
}
latestCurveMode = CurvePointMode.P2;
}
break;
case VertexCmd.P3c:
{
//this is p3c
switch (latestCurveMode)
{
case CurvePointMode.P2:
{
c3p2.x = x;
c3p2.y = y;
}
break;
case CurvePointMode.P3:
{
// vxs.AddVertex(x, y, cmd);
c4p3.x = x;
c4p3.y = y;
//m_curve4.MakeLines(vxs,
// lastX, lasty,
// c3p2.X, c3p2.Y,
// c4p2.x, c4p2.y,
// x, y);
// vxs.AddVertex(x, y, cmd);
}
break;
case CurvePointMode.NotCurve:
{
c4p2.x = x;
c4p2.y = y;
}
break;
}
latestCurveMode = CurvePointMode.P3;
}
break;
case VertexCmd.LineTo:
{
switch (latestCurveMode)
{
case CurvePointMode.P2:
{
m_curve3.MakeLines(vxs,
lastX,
lasty,
c3p2.X,
c3p2.Y,
x,
y);
}
break;
case CurvePointMode.P3:
{
//from curve4
// vxs.AddVertex(x, y, cmd);
m_curve4.MakeLines(vxs,
lastX, lasty,
c4p2.x, c4p2.y,
c4p3.x, c4p3.y,
x, y);
}
break;
default:
{
vxs.AddVertex(x, y, cmd);
}
break;
}
//-----------
latestCurveMode = CurvePointMode.NotCurve;
lastX = x;
lasty = y;
//-----------
}
break;
case VertexCmd.MoveTo:
{
//move to, and end command
vxs.AddVertex(x, y, cmd);
//-----------
latestCurveMode = CurvePointMode.NotCurve;
lastMoveX = lastX = x;
lastMoveY = lasty = y;
//-----------
}
break;
case VertexCmd.Close:
case VertexCmd.CloseAndEndFigure:
{
latestCurveMode = CurvePointMode.NotCurve;
vxs.AddVertex(x, y, cmd);
//move to begin
lastX = lastMoveX;
lasty = lastMoveY;
}
break;
default:
{
//move to, and end command
vxs.AddVertex(x, y, cmd);
//-----------
latestCurveMode = CurvePointMode.NotCurve;
lastX = x;
lasty = y;
//-----------
}
break;
}
} while (cmd != VertexCmd.NoMore);
}