public Vector2 GetPinPairDir(SceneObjects.Part src, int iPin1, int iPin2)
{
var pin1 = Root.Scene.Pins[src.FirstPin + iPin1].Location;
var pin2 = Root.Scene.Pins[src.FirstPin + iPin2].Location;
return(Vector2.Max(pin1, pin2) - Vector2.Min(pin1, pin2));
}
public bool CheckPinRow(SceneObjects.Part part, int first, int count, int stride = 1)
{
const double distThreshold = 1; // 5 mil?
//const double stepThreshold = 0.025; // 1.43 deg
//const double finalThreshold = 0.025; // 1.43 deg
//var dir = Vector2.Origin;
//var error = 0.0;
//for (int i = part.FirstPin+first+1; i<part.FirstPin+first+count; i++)
//{
// var newDir = Root.Scene.Pins[i].Location-Root.Scene.Pins[i-1].Location;
// var newAng = newDir.RelativeAngle(dir);
// error += newAng;
//}
var iFirst = part.FirstPin + first;
var firstPin = Root.Scene.Pins[iFirst].Location;
var lastPin = Root.Scene.Pins[iFirst + (count - 1) * stride].Location;
var maxDst = 0.0;
for (int i = iFirst + stride; i < iFirst + (count - 1) * stride; i += stride)
{
var pin = Root.Scene.Pins[i].Location;
var newDst = pin.DistanceToSegment(firstPin, lastPin);
if (newDst > maxDst)
{
maxDst = newDst;
}
}
if (maxDst > distThreshold)
{
return(false);
}
return(true);
}
private Box2 CalculatePartBBox(SceneObjects.Part src)
{
var bbox = Box2.Empty;
for (int i = src.FirstPin; i < src.FirstPin + src.PinCount; i++)
{
bbox.Merge(Root.Scene.Pins[i].Location);
}
var c = '\0';
if (src.Name.Length >= 2)
{
c = src.Name[0];
}
var growR = 1.0;
switch (c)
{
case 'U':
growR = 0.0;
break;
}
if (growR > 0) // outer box (+radius)
{
bbox.Grow(Root.Scene.Options.PinBoxRadius * growR);
}
return(bbox);
}
public double CalculatePinPairAngle(SceneObjects.Part src, int iPin1, int iPin2)
{
var dir = GetPinPairDir(src, iPin1, iPin2);
if (dir.SqrLength < 0.001)
{
return(double.NaN);
}
return(dir.OriginAngle());
}
private bool DetectF(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
if (src.PinCount < 2)
{
angle = 0;
return(false);
}
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
// If the order is not known in advance, we need a slightly more complicated check:
private bool CheckPinRect(SceneObjects.Part src, double threshold)
{
var a = Root.Scene.Pins[src.FirstPin + 0].Location;
var b = Root.Scene.Pins[src.FirstPin + 1].Location;
var c = Root.Scene.Pins[src.FirstPin + 2].Location;
var d = Root.Scene.Pins[src.FirstPin + 3].Location;
return(IsRectangle(a, b, c, d, threshold) ||
IsRectangle(b, c, a, d, threshold) ||
IsRectangle(c, a, b, d, threshold));
}
private bool DetectXW(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
angle = 0;
// XW-specific
aspect = 0;
growR = 0.5;
switch (src.PinCount)
{
case 2:
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
return(false);
}
private bool DetectY(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
if (src.PinCount < 2)
{
angle = 0;
return(false);
}
if (src.PinCount > 2) // long packages have >2 pins
{
aspect = 0;
}
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
private void AdjustPart(SceneObjects.Part src, ref OBB obb,
ref double aspect, ref double growR)
{
var match = false;
var originAngle = aligner.CalculatePartShape(src, ref aspect, ref growR, out match);
if (match)
{
obb.Turn = originAngle;
return;
}
if (!aligner.Check90degAlignment(originAngle))
{
obb.Turn = aligner.AdjustPartAngle(originAngle, true);
}
}
private bool CheckDualRow(SceneObjects.Part src, ref double angle,
int r1a, int r1b, int r2a, int r2b)
{
var d1 = GetPinPairDir(src, r1a, r1b);
var d2 = GetPinPairDir(src, r2a, r2b);
if (d1 == Vector2.Origin || d2 == Vector2.Origin)
{
return(false);
}
if (d1.CrossingAngle(d2) < ParallelRowThreshold)
{
angle = d1.OriginAngle();
return(true);
}
return(false);
}
private bool DetectR(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
angle = 0;
switch (src.PinCount)
{
case 2:
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
case 4:
aspect = -0.6; // force aspect
if (CheckPinRowOI(src, 0, 4))
{
var d34 = GetPinPairDir(src, 2, 3).Length;
var d13 = GetPinPairDir(src, 0, 2).Length;
if (d34 < d13)
{
var f = d13 / d34;
if (f < 3.5 && !(1.3 < f && f < 1.7))
{
aspect = -1 / 0.6;
}
}
angle = CalculatePinPairAngle(src, 0, 3);
return(true);
}
// check this shape:
/*
| * |
| * |
| * |
| * |
*/
if (CheckPinRect(src, 0.02))
{
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
angle = 0;
return(true);
}
return(false);
}
private bool DetectC(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
if (src.PinCount < 2)
{
angle = 0;
return(false);
}
angle = CalculatePinPairAngle(src, 0, 1);
if (src.PinCount == 2)
{
var d = GetPinPairDir(src, 0, 1).Length;
if (163 <= d && d <= 164 ||
202 <= d && d <= 203 ||
137 <= d && d <= 138 ||
d == 210)
{
src.DrawAsCircle = true;
}
}
return(true);
}
public double CalculatePartMinShape(SceneObjects.Part src,
ref double aspect, ref double growR, out bool match)
{
match = true;
if (src.PinCount <= 1)
{
return(0);
}
if (src.PinCount == 2)
{
var pin1 = Root.Scene.Pins[src.FirstPin + 0].Location;
var pin2 = Root.Scene.Pins[src.FirstPin + 1].Location;
var dir = Vector2.Max(pin1, pin2) - Vector2.Min(pin1, pin2);
if (dir.SqrLength < 0.001)
{
return(0);
}
return(dir.OriginAngle());
}
var verts = new List <Vector2>(src.PinCount);
for (int i = src.FirstPin; i < src.FirstPin + src.PinCount; i++)
{
var nv = Root.Scene.Pins[i].Location;
if (verts.Count == 0)
{
verts.Add(nv);
continue;
}
if (verts[verts.Count - 1] != nv)
{
verts.Add(nv);
}
}
var obb = MinimalOBB.Calculate(verts);
return(obb.Turn);
}
//private void FindPinLine(SceneObjects.Part src, out int pinCount, out double angle)
//{
// var firstPin = src.FirstPin;
// var endPin = src.FirstPin+src.PinCount;
// int[] strides = {1, 4};
// pinCount = 0;
// angle = 0;
//}
// XXX: make variant of CheckPinRow that would find row length
// order-independent version
public bool CheckPinRowOI(SceneObjects.Part part, int first, int count, int stride = 1)
{
const double distThreshold = 1;
var iFirst = part.FirstPin + first;
var firstPin = Root.Scene.Pins[iFirst].Location;
var lastPin = Root.Scene.Pins[iFirst + (count - 1) * stride].Location;
var maxDst = 0.0;
for (int i = iFirst + stride; i < iFirst + (count - 1) * stride; i += stride)
{
var pin = Root.Scene.Pins[i].Location;
var newDst = pin.DistanceToLine(firstPin, lastPin);
if (newDst > maxDst)
{
maxDst = newDst;
}
}
if (maxDst > distThreshold)
{
return(false);
}
return(true);
}
private bool DetectQ(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
if (src.PinCount < 2)
{
angle = 0;
return(false);
}
angle = 0;
switch (src.PinCount)
{
case 3:
//if (!CheckPinRow(src, 0, 3))
// aspect = -1/aspect;
// XXX: 3-pin Q/D parts should have rotated standard aspect
// (and size based on max dimension instead of min)
{
var d12 = GetPinPairDir(src, 0, 1).Length;
var d23 = GetPinPairDir(src, 1, 2).Length;
var d13 = GetPinPairDir(src, 0, 2).Length;
if (d12 < d23 && d12 < d13)
{
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
if (d23 < d12 && d23 < d13)
{
angle = CalculatePinPairAngle(src, 1, 2);
return(true);
}
if (d13 < d23 && d13 < d12)
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
}
return(true);
case 4:
if (CheckPinRow(src, 0, 3)) // 3+1
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
// XXX: 2+2
break;
case 5:
if (CheckPinRow(src, 0, 3)) // 4+1, 3+2
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
break;
case 6:
if (CheckDualRow(src, ref angle, 0, 1, 4, 5))
{
return(true);
}
if (CheckPinRow(src, 0, 3))
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
break;
case 7:
angle = CalculatePinPairAngle(src, 2, 3);
return(true);
case 8: // weird looking pin configuration (docked pentagons)
if (CheckTripleRow(src, ref angle, 0, 2, 4, 6, 3, 7))
{
return(true);
}
angle = CalculatePinPairAngle(src, 2, 3);
return(true);
case 9: // weird looking apple mosfet
if (CheckPinRow(src, 4, 4))
{
angle = CalculatePinPairAngle(src, 4, 7);
return(true);
}
if (CheckPinRow(src, 0, 3))
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
break;
case 10: // diode assembly
if (CheckDualRow(src, ref angle, 0, 1, 3, 4))
{
return(true);
}
break;
}
if (src.PinCount > 10)
{
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
angle = 0.0;
return(false);
}
public double CalculatePartShape(SceneObjects.Part src,
ref double aspect, ref double growR, out bool match)
{
var angle = 0.0;
int i1 = 0;
int i2 = 1;
//growR = 1.0;
//aspect = 1.0/2;
switch (src.Name[0])
{
case 'C':
if (src.Name.Length >= 3 && src.Name[1] == 'N' && char.IsNumber(src.Name[2])) // connector
{
goto case 'J';
}
match = DetectC(src, ref aspect, ref growR, out angle);
return(angle);
case 'F':
if (NameCharIsDigit(src, 1))
{
match = DetectF(src, ref aspect, ref growR, out angle);
return(0);
}
if (NameCharIsLetter(src, 1, 'L') && NameCharIsDigit(src, 2))
{
match = DetectL(src, ref aspect, ref growR, out angle);
return(angle);
}
break;
case 'R':
match = DetectR(src, ref aspect, ref growR, out angle);
return(angle);
case 'L':
if (!NameCharIsDigit(src, 1))
{
//goto case 'H';
goto case 'D';
}
//case 'H':
match = DetectL(src, ref aspect, ref growR, out angle);
return(angle);
case 'D':
if (src.Name.Length >= 3 && src.Name[1] == 'M' && char.IsNumber(src.Name[2]))
{
goto case 'J';
}
goto case 'Q';
case 'Q':
match = DetectQ(src, ref aspect, ref growR, out angle);
return(angle);
case 'T':
if (src.Name.Length >= 3 && src.Name[1] == 'C' && char.IsNumber(src.Name[2]))
{
match = DetectTC(src, ref aspect, ref growR, out angle);
return(angle);
}
break;
case 'U': // inner box (-radius or -0)
match = DetectU(src, ref aspect, ref growR, out angle);
return(angle);
case 'J':
match = DetectJ(src, ref aspect, ref growR, out angle);
return(angle);
case 'X':
if (src.Name[1] == 'W')
{
match = DetectXW(src, ref aspect, ref growR, out angle);
return(angle);
}
if (char.IsNumber(src.Name[1]))
{
goto case 'Y';
}
break;
case 'Y':
match = DetectY(src, ref aspect, ref growR, out angle);
return(angle);
}
aspect = 0;
var result = 0.0;
if (src.PinCount == 2)
{
result = CalculatePinPairAngle(src, i1, i2);
}
match = !double.IsNaN(result);
return(result); // XXX: return 0
}
private bool NameCharIsLetter(SceneObjects.Part src, int i, char chk)
{
return(src.Name.Length >= i + 1 && src.Name[i] == chk);
}
private bool NameCharIsDigit(SceneObjects.Part src, int i)
{
return(src.Name.Length >= i + 1 && char.IsNumber(src.Name[i]));
}
private bool LoadBoardView(string fileName, IBoardViewFile bdv)
{
if (!bdv.Load(fileName))
{
GC.Collect();
GC.WaitForFullGCComplete();
return(false);
}
SetCurrentFilename(Path.GetFileName(fileName));
Root.Scene.Reset();
GC.Collect();
GC.WaitForFullGCComplete();
if (bdv.InchUnits) // convert to mils
{
for (int i = 0; i < bdv.TopContour.Count; i++)
{
bdv.TopContour[i] *= 1000;
}
for (int i = 0; i < bdv.BottomContour.Count; i++)
{
bdv.BottomContour[i] *= 1000;
}
for (int i = 0; i < bdv.Nails.Count; i++)
{
bdv.Nails[i].Location *= 1000;
}
for (int i = 0; i < bdv.Pins.Count; i++)
{
bdv.Pins[i].Location *= 1000;
}
// ?
//bdv.InchUnits = false;
}
Root.Scene.TopContour = new SceneObjects.Contour(bdv.TopContour);
Root.Scene.BottomContour = new SceneObjects.Contour(bdv.BottomContour);
for (int i = 0; i < bdv.Parts.Count; i++)
{
var src = bdv.Parts[i];
// process part pins and update bbox
int flipScale = src.Side == BoardSide.Top || !bdv.FlipBottomY ? +1 : -1;
var p = new SceneObjects.Part();
p.Side = src.Side;
p.FirstPin = src.FirstPin;
p.PinCount = src.PinCount;
p.Name = src.Name;
var pinSides = p.Side;
for (int j = src.FirstPin; j < src.FirstPin + src.PinCount; j++)
{
var loc = bdv.Pins[j].Location;
loc.Y *= flipScale;
bdv.Pins[j].Location = loc;
var pin = new SceneObjects.Pin(p);
pin.SelfIndex = j;
pin.Net = bdv.Pins[j].Net;
pin.Name = bdv.Pins[j].Name;
pin.Location = bdv.Pins[j].Location;
pin.Side = bdv.Pins[j].Side;
if (bdv.Pins[j].Inverse != null)
{
var invSrc = bdv.Pins[j].Inverse;
var ipin = new SceneObjects.Pin(p);
ipin.SelfIndex = j;
ipin.Net = invSrc.Net;
ipin.Name = invSrc.Name;
ipin.Location = invSrc.Location;
ipin.Side = invSrc.Side;
ipin.Inverse = pin;
pin.Inverse = ipin;
pinSides |= ipin.Side;
if (ipin.Side == BoardSide.Top)
{
Root.Scene.TopObjectSpace.Insert(ipin);
}
if (ipin.Side == BoardSide.Bottom)
{
Root.Scene.BottomObjectSpace.Insert(ipin);
}
}
pinSides |= pin.Side;
Root.Scene.Pins.Add(pin);
if (pin.Side == BoardSide.Top)
{
Root.Scene.TopObjectSpace.Insert(pin);
}
if (pin.Side == BoardSide.Bottom)
{
Root.Scene.BottomObjectSpace.Insert(pin);
}
}
p.HasThroughHolePins = pinSides != p.Side;
p.Update(CalculatePartBBox(p), CalculatePartOBB(p));
Root.Scene.Parts.Add(p);
}
// process through-hole pins
int pinCount = Root.Scene.Pins.Count;
for (int i = 0; i < pinCount; i++)
{
if (Root.Scene.Pins[i].Inverse != null)
{
Root.Scene.Pins.Add(Root.Scene.Pins[i].Inverse);
}
}
for (int i = 0; i < bdv.Nails.Count; i++)
{
var src = bdv.Nails[i];
var nail = new SceneObjects.Nail();
nail.Side = src.Side;
nail.Net = src.Net;
nail.Name = src.Name;
int flipScale = src.Side == BoardSide.Top || !bdv.FlipBottomY ? +1 : -1;
var loc = src.Location;
loc.Y *= flipScale;
src.Location = loc;
nail.Location = loc;
Root.Scene.Nails.Add(nail);
if (src.Side == BoardSide.Top)
{
Root.Scene.TopObjectSpace.Insert(nail);
}
if (src.Side == BoardSide.Bottom)
{
Root.Scene.BottomObjectSpace.Insert(nail);
}
}
// ?
//Root.Scene.Options.FlipBottomY = bdv.FlipBottomY;
return(true);
}
private bool DetectL(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
if (src.PinCount < 2)
{
angle = 0;
return(false);
}
const double maxLongCoilSize = 123;// 104;// 73; // mil?
const double maxDiagCoilSize = 175;
const double bigCoilRotFactor = 9;
const double cornerDx = 0.5 / 1.41421356237; //0.5/Math.Sqrt(2);
angle = 0;
var dir = GetPinPairDir(src, 0, 1);
var diam = dir.Length;
var bigCoil = diam > maxLongCoilSize;
if (bigCoil)
{
aspect = 1;
}
switch (src.PinCount)
{
case 2:
if (bigCoil)
{
var diagCoil = diam <= maxDiagCoilSize;
// XXX: either 0 or 45 degrees
var center = dir / 2;
var dx = Math.Abs(center.X) / diam;
var dDiagX = Math.Abs(cornerDx - dx);
// same small distance from coil X-axis
if (0 < dx && dx < 0.1 && dx < diam / bigCoilRotFactor)
{
// isn't done if dx1 or dx2 is zero
angle = Math.PI / 4;
return(true);
}
else if (0.1 < dx && dx < 0.3 || (!diagCoil && (0.05 < dDiagX && dDiagX < 0.1 || dDiagX < 0.01)))
{
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
var dy = Math.Abs(center.Y) / diam;
var dDiagY = Math.Abs(cornerDx - dy);
// same small distance from coil Y-axis
if (0 < dy && dy < 0.1 && dy < diam / bigCoilRotFactor)
{
angle = Math.PI / 4;
return(true);
}
else if (0.1 < dy && dy < 0.3 || (!diagCoil && (0.05 < dDiagY && dDiagY < 0.1 || dDiagY < 0.01)))
{
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
angle = 0;
return(true);
}
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
case 3:
case 4:
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
return(false);
}
private bool DetectJ(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
angle = 0;
// J-specific
aspect = 0;
if (src.PinCount >= 24)
{
if (CheckPinRow(src, 1, 3, 3)) // pci/ddr
{
angle = CalculatePinPairAngle(src, 1, 7);
return(true);
}
}
if (src.PinCount >= 6)
{
if (CheckPinRow(src, 0, 3, 2)) // dual row
{
if (src.PinCount >= 24 && CheckPinRow(src, 0, 6, 2)) // try get more accurate angle
{
angle = CalculatePinPairAngle(src, 0, 10);
}
else
{
angle = CalculatePinPairAngle(src, 0, 4);
}
return(true);
}
}
if (src.PinCount >= 5)
{
if (CheckPinRow(src, 1, 3, 1)) // single row
{
angle = CalculatePinPairAngle(src, 1, 3);
return(true);
}
if (CheckPinRow(src, 0, 3, 1)) // single row
{
if (CheckDualRow(src, ref angle, 0, 2, 3, 4))
{
return(true);
}
}
}
if (src.PinCount == 4)
{
if (CheckPinRow(src, 0, 3, 1)) // single row
{
angle = CalculatePinPairAngle(src, 1, 3);
return(true);
}
// 2+2gnd
if (CheckDualRow(src, ref angle, 0, 1, 2, 3))
{
return(true);
}
}
if (src.PinCount == 3)
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
if (src.PinCount == 2)
{
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
}
angle = 0;
return(false);
}
private OBB CalculatePartOBB(SceneObjects.Part src)
{
char c = '\0';
if (src.Name.Length > 0)
{
c = src.Name[0];
}
double growR = 1.0;
double adjustAspect = 1.0 / 2; // 1.1/2
var obb = OBB.Empty;
AdjustPart(src, ref obb, ref adjustAspect, ref growR);
for (int j = src.FirstPin; j < src.FirstPin + src.PinCount; j++)
{
var p = Root.Scene.Pins[j];
if (p.Side == src.Side)
{
obb.Merge(p.Location);
}
if (p.Inverse != null && p.Inverse.Side == src.Side)
{
obb.Merge(p.Inverse.Location);
}
}
if (growR > 0) // outer box (+radius)
{
obb.Grow(Root.Scene.Options.PinBoxRadius * growR);
}
if (adjustAspect != 0)
{
var center = obb.Center;
var w = obb.Width;
var h = obb.Height;
var lowRefAspect = w / h < Math.Abs(adjustAspect) || h / w < Math.Abs(adjustAspect);
if (lowRefAspect || adjustAspect < 0)
{
var turn = obb.Turn;
Vector2 boxOffset;
if (adjustAspect > 0)
{
if (w > h)
{
boxOffset = new Vector2(w / 2, w * adjustAspect / 2);
}
else
{
boxOffset = new Vector2(h * adjustAspect / 2, h / 2);
}
}
else
{
adjustAspect *= -1;
if (lowRefAspect)
{
if (w > h)
{
boxOffset = new Vector2(w / 2, w * adjustAspect / 2);
}
else
{
boxOffset = new Vector2(h * adjustAspect / 2, h / 2);
}
}
else
{
var minRefSz = Math.Min(w, h);
if (w > h)
{
boxOffset = new Vector2(minRefSz / adjustAspect / 2, minRefSz / 2);
}
else
{
boxOffset = new Vector2(minRefSz / 2, minRefSz / adjustAspect / 2);
}
}
}
obb.Set(center - boxOffset, center + boxOffset, turn);
}
}
return(obb);
}
private bool DetectU(SceneObjects.Part src, ref double aspect, ref double growR, out double angle)
{
if (src.PinCount < 2)
{
angle = 0;
return(false);
}
angle = 0;
// U-specific settings
growR = 0;
var defaultAspect = aspect;
aspect = 0;
switch (src.PinCount)
{
case 2:
aspect = defaultAspect;
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
case 3:
angle = CalculatePinPairAngle(src, 0, 1);
return(true);
case 4:
case 5:
if (CheckPinRow(src, 0, 3))
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
if (CheckDualRow(src, ref angle, 0, 1, 2, 3))
{
return(true);
}
break;
case 6: // 2(3)
case 7: // 2(3) +gnd
if (CheckPinRow(src, 0, 3) && CheckPinRow(src, 3, 3))
{
angle = CalculatePinPairAngle(src, 0, 2);
return(true);
}
break;
case 8:
if (CheckPinRow(src, 0, 4) && CheckPinRow(src, 4, 4))
{
angle = CalculatePinPairAngle(src, 0, 3);
return(true);
}
break;
case 9:
if (CheckDualRow(src, ref angle, 0, 2, 3, 5))
{
return(true);
}
goto case 8;
case 20: // 2(2+8) (+gnd)
case 21:
if (CheckPinRow(src, 1, 8) && CheckPinRow(src, 11, 8)) // mux
{
angle = CalculatePinPairAngle(src, 11, 18);
return(true);
}
break;
case 14:
case 15:
if (CheckPinRow(src, 1, 5) && CheckPinRow(src, 8, 5)) // mux
{
angle = CalculatePinPairAngle(src, 8, 12);
return(true);
}
break;
case 16: // 2(4+4)
{
#region
int good = 0;
int pa = -1, pb = -1;
if (CheckPinRow(src, 0, 4))
{
pa = 0;
pb = 3;
good++;
}
if (CheckPinRow(src, 4, 4))
{
pa = 4;
pb = 7;
good++;
}
if (CheckPinRow(src, 8, 4))
{
pa = 8;
pb = 13;
good++;
}
if (CheckPinRow(src, 12, 4))
{
pa = 12;
pb = 15;
good++;
}
if (good > 2)
{
angle = CalculatePinPairAngle(src, pa, pb);
return(true);
}
#endregion
goto case 17;
}
case 17: // 2(2+6) (+gnd)
if (CheckPinRow(src, 1, 6) && CheckPinRow(src, 9, 6)) // mux
{
angle = CalculatePinPairAngle(src, 9, 14);
return(true);
}
break;
}
if (src.PinCount >= 32)
{
if (CheckPinRow(src, 2, 4))
{
angle = CalculatePinPairAngle(src, 2, 5);
return(true);
}
}
if (src.PinCount >= 20)
{
if (CheckPinRow(src, 0, 5))
{
angle = CalculatePinPairAngle(src, 0, 4);
return(true);
}
}
if (src.PinCount > 10)
{
if (CheckPinRow(src, 0, 3))
{
angle = CalculatePinPairAngle(src, 0, 2);
}
else if (CheckPinRow(src, 1, 3))
{
angle = CalculatePinPairAngle(src, 1, 3);
}
else
{
angle = 0;
}
return(true);
}
angle = 0.0;
return(false);
}