public override int Compare(CEdge cedge1, CEdge cedge2)
{
int intResultDiff = (cedge1.ToCpt.indexID - cedge1.FrCpt.indexID)
.CompareTo(cedge2.ToCpt.indexID - cedge2.FrCpt.indexID);
int intResultFF = cedge1.FrCpt.indexID.CompareTo(cedge2.FrCpt.indexID);
return(CCmpMethods.HandleTwoResults(intResultDiff, intResultFF));
}
/// <summary>
/// Compare two cedges, by coordinates
/// </summary>
/// <returns>1, if the first parameter larger than the second one; -1, smaller; 0, equal</returns>
/// <remarks>First comapre FrCpts. If the two cedges have the same FrCpts, then compare ToCpts.
/// If they neither have the same FrCpts nor have the same ToCpts,
/// then compare FrCpt with ToCpt as well as ToCpt with FrCpt to find whether they are equal</remarks>
public static int CmpCEdgeCoord(CEdge cedge1, CEdge cedge2, bool blnMayFlip = false)
{
GetCpts(cedge1, blnMayFlip, out CPoint frcpt1, out CPoint tocpt1);
GetCpts(cedge2, blnMayFlip, out CPoint frcpt2, out CPoint tocpt2);
int intResultFF = CmpCptYX(frcpt1, frcpt2);
int intResultTT = CmpCptYX(tocpt1, tocpt2);
return(CCmpMethods.HandleTwoResults(intResultFF, intResultTT));
}
public override int Compare(CEdge cedge1, CEdge cedge2)
{
int intSmallGID1 = Math.Min(cedge1.FrCpt.GID, cedge1.ToCpt.GID);
int intLargeGID1 = Math.Max(cedge1.FrCpt.GID, cedge1.ToCpt.GID);
int intSmallGID2 = Math.Min(cedge2.FrCpt.GID, cedge2.ToCpt.GID);
int intLargeGID2 = Math.Max(cedge2.FrCpt.GID, cedge2.ToCpt.GID);
int intSmallResult = intSmallGID1.CompareTo(intSmallGID2);
int intLargeResult = intLargeGID1.CompareTo(intLargeGID2);
return(CCmpMethods.HandleTwoResults(intSmallResult, intLargeResult));
}
public static int CmpCEdgeGID(CEdge cedge1, CEdge cedge2, bool blnMayFlip = false)
{
CPoint frcpt1;
CPoint tocpt1;
GetCpts(cedge1, blnMayFlip, out frcpt1, out tocpt1);
CPoint frcpt2;
CPoint tocpt2;
GetCpts(cedge2, blnMayFlip, out frcpt2, out tocpt2);
int intResultFF = frcpt1.GID.CompareTo(frcpt2.GID);
int intResultTT = tocpt1.GID.CompareTo(tocpt2.GID);
return(CCmpMethods.HandleTwoResults(intResultFF, intResultTT));
}
