private void SiliconCellCorner(ILayerCell cell, Corner corner, Rectangle cellBounds, bool isVertCornerDetached,
bool isHorzCornerDetached)
{
var(pen, _, _) = SelectSiliconBrush(cell);
var(nearToCenter, nearToBounds, nearHorzLink, nearVertLink) = GetCellCornerBounds(cellBounds.X, cellBounds.Y, corner);
var horzNeigh = cell.Links[corner.HasFlag(Corner.FarX) ? 2 : 0];
var vertNeigh = cell.Links[corner.HasFlag(Corner.FarY) ? 3 : 1];
var hasHorzLink = !isHorzCornerDetached && (horzNeigh?.SiliconLink ?? SiliconLink.None) != SiliconLink.None;
var hasVertLink = !isVertCornerDetached && (vertNeigh?.SiliconLink ?? SiliconLink.None) != SiliconLink.None;
GenericCellCorner(hasHorzLink, hasVertLink, pen,
nearToCenter, nearToBounds, nearHorzLink, nearVertLink);
if (!cell.HasGate())
{
return;
}
var oppositeVertNeigh = cell.Links[corner.HasFlag(Corner.FarY) ? 1 : 3];
var isVerticalGate =
(vertNeigh?.SiliconLink ?? SiliconLink.None) == SiliconLink.Slave ||
(oppositeVertNeigh?.SiliconLink ?? SiliconLink.None) == SiliconLink.Slave;
var srcPoint = isVerticalGate ? nearVertLink : nearHorzLink;
_graphics.DrawLine(BorderPen, srcPoint, nearToCenter);
}
private (bool, SiliconLink, SiliconLayerContent) CheckSiliconLink(ILayerCell fromCell, ILayerCell toCell, Side side)
{
var fromBase = fromCell.IsBaseN() ? SiliconType.NType : SiliconType.PType;
var toBase = toCell.IsBaseN() ? SiliconType.NType : SiliconType.PType;
if (fromBase != toBase)
{
var(p1, p2) = side.GetPerpendicularSides();
return(toCell.Links[p1].SiliconLink == SiliconLink.BiDirectional &&
toCell.Links[p2].SiliconLink == SiliconLink.BiDirectional &&
toCell.Links[side].SiliconLink != SiliconLink.BiDirectional &&
!toCell.HasVia()
? (true, SiliconLink.Master, toCell.HasGate() ? toCell.Silicon : toBase.ConvertToGate(!side.IsVertical()))
: (false, SiliconLink.None, SiliconLayerContent.None));
}
else
{
return(fromCell.HasGate() || toCell.HasGate()
? (false, SiliconLink.None, SiliconLayerContent.None)
: (true, SiliconLink.BiDirectional, toCell.Silicon));
}
}
private void SiliconCellSide(ILayerCell cell, Side side, Rectangle cellBounds, bool isSideDetached)
{
var(_, brush, gateBrush) = SelectSiliconBrush(cell);
var link = cell.Links[side]?.SiliconLink ?? SiliconLink.None;
var oppositeLink = cell.Links[GetOppositeSide(side)]?.SiliconLink ?? SiliconLink.None;
var hasSlaveLinkInDimension = link == SiliconLink.Slave || oppositeLink == SiliconLink.Slave;
var actualBrush = hasSlaveLinkInDimension ? gateBrush : brush;
var(rect, nearToBounds, nearToCenter) = GetCellSideBounds(cellBounds.X, cellBounds.Y, side);
_graphics.FillRectangle(actualBrush, rect);
if (isSideDetached || link == SiliconLink.None || hasSlaveLinkInDimension)
{
_graphics.FillRectangle(BorderBrush, nearToBounds);
}
if (!isSideDetached && cell.HasGate() && !hasSlaveLinkInDimension)
{
_graphics.FillRectangle(BorderBrush, nearToCenter);
}
}