/// <summary>
/// set outside edge that link with this glyph point
/// </summary>
/// <param name="edge">edge must be outside edge</param>
internal void SetOutsideEdgeUnconfirmEdgeDirection(OutsideEdgeLine edge)
{
//at this stage, we don't known the edge is outward or inward.
//so just set it
//------------------------------------------
//e0 and e1 will be swaped later for this point SetCorrectInwardAndOutWardEdge() ***
if (_e0 == null)
{
_e0 = edge;
}
else if (_e1 == null)
{
_e1 = edge;
}
else
{
throw new System.NotSupportedException();
}
//----
#if DEBUG
if (edge == null)
{
}
if (_e0 == _e1)
{
throw new System.NotSupportedException();
}
#endif
}
void DrawPerpendicularEdgeControlPoints(PixelFarm.Drawing.Painter painter, OutsideEdgeLine internalEdgeLine)
{
//Vector2 regen0 = edge._newRegen0 * _pxscale;
//Vector2 regen1 = edge._newRegen1 * _pxscale;
//painter.FillRectLBWH(regen0.X, regen0.Y, 5, 5, PixelFarm.Drawing.Color.Green);
//painter.FillRectLBWH(regen1.X, regen1.Y, 5, 5, PixelFarm.Drawing.Color.Blue);
bool foundSomePerpendicularEdge = false;
if (internalEdgeLine.ControlEdge_P != null && internalEdgeLine.ControlEdge_Q != null)
{
Vector2 m0 = internalEdgeLine.ControlEdge_P.GetMidPoint();
Vector2 m1 = internalEdgeLine.ControlEdge_Q.GetMidPoint();
//find angle from m0-> m1
Vector2 v2 = (m0 + m1) / 2;
//find perpendicular line from midpoint_m0m1 to edge
Vector2 cutpoint;
if (MyMath.FindPerpendicularCutPoint(internalEdgeLine, v2, out cutpoint))
{
painter.Line(
v2.X * _pxscale, v2.Y * _pxscale,
cutpoint.X * _pxscale, cutpoint.Y * _pxscale,
PixelFarm.Drawing.Color.Red);
foundSomePerpendicularEdge = true;
}
//Vector2 e0_fitpos = internalEdgeLine.ControlEdge_P.GetFitPos() * _pxscale;
//Vector2 e1_fitpos = internalEdgeLine.ControlEdge_Q.GetFitPos() * _pxscale;
//painter.Line(
// e0_fitpos.X, e0_fitpos.Y,
// regen0.X, regen0.Y,
// PixelFarm.Drawing.Color.Yellow);
//painter.Line(
// e1_fitpos.X, e1_fitpos.Y,
// regen1.X, regen1.Y,
// PixelFarm.Drawing.Color.Yellow);
}
if (internalEdgeLine.ControlEdge_P != null)
{
Vector2 v2 = internalEdgeLine.ControlEdge_P.GetMidPoint();
//Vector2 cutpoint = internalEdgeLine._ctrlEdge_P_cutAt;
//painter.Line(
// v2.X * _pxscale, v2.Y * _pxscale,
// cutpoint.X * _pxscale, cutpoint.Y * _pxscale,
// PixelFarm.Drawing.Color.Green);
//foundSomePerpendicularEdge = true;
}
if (internalEdgeLine.ControlEdge_Q != null)
{
Vector2 v2 = internalEdgeLine.ControlEdge_Q.GetMidPoint();
//Vector2 cutpoint = internalEdgeLine._ctrlEdge_Q_cutAt;
//painter.Line(
// v2.X * _pxscale, v2.Y * _pxscale,
// cutpoint.X * _pxscale, cutpoint.Y * _pxscale,
// PixelFarm.Drawing.Color.Green);
//foundSomePerpendicularEdge = true;
}
if (!foundSomePerpendicularEdge)
{
//TODO: reimplement this again
//Vector2 midpoint = edge.GetMidPoint();
//painter.FillRectLBWH(midpoint.X, midpoint.Y, 5, 5, PixelFarm.Drawing.Color.White);
}
}
