//------------------------------------------------------------------------------
private Int64 PopScanbeam()
{
Int64 Y = m_Scanbeam.Y;
Scanbeam sb2 = m_Scanbeam;
m_Scanbeam = m_Scanbeam.next;
sb2 = null;
return Y;
}
//------------------------------------------------------------------------------
private void InsertScanbeam(Int64 Y)
{
if (m_Scanbeam == null)
{
m_Scanbeam = new Scanbeam();
m_Scanbeam.next = null;
m_Scanbeam.Y = Y;
}
else if (Y > m_Scanbeam.Y)
{
Scanbeam newSb = new Scanbeam();
newSb.Y = Y;
newSb.next = m_Scanbeam;
m_Scanbeam = newSb;
}
else
{
Scanbeam sb2 = m_Scanbeam;
while (sb2.next != null && (Y <= sb2.next.Y)) sb2 = sb2.next;
if (Y == sb2.Y) return; //ie ignores duplicates
Scanbeam newSb = new Scanbeam();
newSb.Y = Y;
newSb.next = sb2.next;
sb2.next = newSb;
}
}
//------------------------------------------------------------------------------
void DisposeScanbeamList()
{
while (m_Scanbeam != null)
{
Scanbeam sb2 = m_Scanbeam.next;
m_Scanbeam = null;
m_Scanbeam = sb2;
}
}
//------------------------------------------------------------------------------
protected override void Reset()
{
base.Reset();
m_Scanbeam = null;
m_ActiveEdges = null;
m_SortedEdges = null;
DisposeAllPolyPts();
LocalMinima lm = m_MinimaList;
while (lm != null)
{
InsertScanbeam(lm.Y);
lm = lm.next;
}
}
public Clipper()
{
m_Scanbeam = null;
m_ActiveEdges = null;
m_SortedEdges = null;
m_IntersectNodes = null;
m_ExecuteLocked = false;
m_UsingPolyTree = false;
m_PolyOuts = new List<OutRec>();
m_Joins = new List<JoinRec>();
m_HorizJoins = new List<HorzJoinRec>();
m_ReverseOutput = false;
m_ForceSimple = false;
}