internal CoordRect CalculatePartRect(PcbPadPart part, bool useAbsolutePosition)
{
Coord width, height;
var offset = OffsetFromHoleCenter;
switch (part)
{
case PcbPadPart.TopLayer:
width = SizeTop.X;
height = SizeTop.Y;
break;
case PcbPadPart.BottomLayer:
width = SizeBottom.X;
height = SizeBottom.Y;
break;
case PcbPadPart.TopSolder:
width = SizeTop.X + Utils.MilsToCoord(5); // TODO: get padding size
height = SizeTop.Y + Utils.MilsToCoord(5);
break;
case PcbPadPart.BottomSolder:
width = SizeBottom.X + Utils.MilsToCoord(5);
height = SizeBottom.Y + Utils.MilsToCoord(5);
break;
case PcbPadPart.Hole:
width = PcbPadHoleShape.Slot == HoleShape ? HoleSlotLength : HoleSize;
height = HoleSize;
offset = CoordPoint.Zero;
break;
default:
return(CoordRect.Empty);
}
Coord x = offset.X - width / 2;
Coord y = offset.Y - height / 2;
if (useAbsolutePosition)
{
x += Location.X;
y += Location.Y;
}
return(new CoordRect(x, y, width, height));
}
private void DrawPad(Graphics g, PcbPad pad, PcbPadPart padPart)
{
PcbPadShape shape;
int cornerRadiusPercent;
Color color;
// setup parameters according to the current padPart
switch (padPart)
{
case PcbPadPart.TopLayer:
shape = pad.ShapeTop;
cornerRadiusPercent = pad.CornerRadiusTop;
color = LayerMetadata.GetColor(pad.Layer);
break;
case PcbPadPart.BottomLayer:
shape = pad.ShapeBottom;
cornerRadiusPercent = pad.CornerRadiusBot;
color = LayerMetadata.GetColor(pad.Layer);
break;
case PcbPadPart.TopSolder:
shape = pad.ShapeTop;
cornerRadiusPercent = pad.CornerRadiusTop;
color = LayerMetadata.GetColor("TopSolder");
break;
case PcbPadPart.BottomSolder:
shape = pad.ShapeBottom;
cornerRadiusPercent = pad.CornerRadiusBot;
color = LayerMetadata.GetColor("BottomSolder");
break;
default:
return;
}
var rect = ScaleRect(pad.CalculatePartRect(padPart, false));
using (var brush = new SolidBrush(color))
{
switch (shape)
{
case PcbPadShape.Round:
DrawingUtils.FillRoundedRect(g, brush, rect, 100);
break;
case PcbPadShape.Rectangular:
DrawingUtils.FillRectangle(g, brush, rect);
break;
case PcbPadShape.Octogonal:
DrawingUtils.FillOctagon(g, brush, rect);
break;
case PcbPadShape.RoundedRectangle:
cornerRadiusPercent = cornerRadiusPercent > 0 ? cornerRadiusPercent : 100;
DrawingUtils.FillRoundedRect(g, brush, rect, cornerRadiusPercent);
break;
default:
return;
}
}
}
internal CoordRect CalculatePartBounds(PcbPadPart part) => CoordRect.FromRotatedRect(CalculatePartRect(part, true), Location, Rotation + (part == PcbPadPart.Hole ? HoleRotation : 0));
