//---------------------------------------------fix_degenerate_bisectrix_end
public static void FixDegenerateBisectrixEnd(LineParameters lp,
ref int x, ref int y)
{
int d = Basics.RoundInt(((double)(x - lp.X2) * (double)(lp.Y2 - lp.Y1) -
(double)(y - lp.Y2) * (double)(lp.X2 - lp.X1)) / lp.Len);
if (d < LineSubPixelScale / 2)
{
x = lp.X2 + (lp.Y2 - lp.Y1);
y = lp.Y2 - (lp.X2 - lp.X1);
}
}
//---------------------------------------------------------------------
public void Divide(LineParameters lp1, LineParameters lp2)
{
int xmid = (X1 + X2) >> 1;
int ymid = (Y1 + Y2) >> 1;
int len2 = Len >> 1;
lp1 = this; // it is a struct so this is a copy
lp2 = this; // it is a struct so this is a copy
lp1.X2 = xmid;
lp1.Y2 = ymid;
lp1.Len = len2;
lp1.dX = Math.Abs(lp1.X2 - lp1.X1);
lp1.dY = Math.Abs(lp1.Y2 - lp1.Y1);
lp2.X1 = xmid;
lp2.Y1 = ymid;
lp2.Len = len2;
lp2.dX = Math.Abs(lp2.X2 - lp2.X1);
lp2.dY = Math.Abs(lp2.Y2 - lp2.Y1);
}
//---------------------------------------------------------------------
public bool SameDiagonalQuadrant(LineParameters lp)
{
return(SDiagonalQuadrant[Octant] == SDiagonalQuadrant[lp.Octant]);
}
//---------------------------------------------------------------------
public bool SameOrthogonalQuadrant(LineParameters lp)
{
return(SOrthogonalQuadrant[Octant] == SOrthogonalQuadrant[lp.Octant]);
}
