} // Excellon drill statistics for the layer.
// Constructor
public GerberImage(string fileTypeName)
{
ImageInfo = new GerberImageInfo();
ImageInfo.MinX = double.MaxValue;
ImageInfo.MinY = double.MaxValue;
ImageInfo.MaxX = double.MinValue;
ImageInfo.MaxY = double.MinValue;
if (string.IsNullOrEmpty(fileTypeName))
{
ImageInfo.FileTypeName = "Unknown";
}
else
{
ImageInfo.FileTypeName = fileTypeName;
}
// The individual file parsers will have to set this.
ImageInfo.AttributeList = null;
ImageInfo.NumberOfAttribute = 0;
apertureMacroList = new Collection <ApertureMacro>();
ApertureArray = new ApertureDefinition[Gerber.MaximumApertures];
LevelList = new List <GerberLevel>();
NetStateList = new List <GerberNetState>();
Format = new GerberFormat();
gerberNetList = new Collection <GerberNet>();
GerberStats = new GerberFileStats();
DrillStats = new DrillFileStats();
GerberNet gerberNet = new GerberNet(); // Create first gerberNet and fill in some initial values.
gerberNet.Level = new GerberLevel(this); // Create our first level and fill with some default values.
gerberNet.NetState = new GerberNetState(this); // Create our first netState.
gerberNet.Label = String.Empty;
GerberNetList.Add(gerberNet);
}
// Simplify the aperture macro.
public static bool SimplifyApertureMacro(ApertureDefinition aperture, double scale)
{
const int extraStackSize = 10;
bool success = true;
int numberOfParameters = 0;
bool clearOperatorUsed = false;
double[] localParameters = new double[Gerber.MaximumApertureParameters]; // Local copy of parameters.
double[] tmp = { 0.0, 0.0 };
int index = 0;
GerberApertureType type = GerberApertureType.None;
SimplifiedApertureMacro macro;
if (aperture == null || aperture.ApertureMacro == null)
{
throw new GerberApertureException("In SimplifyApertureMacro, aperture = null");
}
// Allocate stack for VM.
MacroStack.InitializeStack(aperture.ApertureMacro.NufPushes + extraStackSize);
// Make a copy of the parameter list that we can rewrite if necessary.
localParameters = new double[Gerber.MaximumApertureParameters];
foreach (double p in aperture.Parameters)
{
localParameters[index++] = p;
}
foreach (GerberInstruction instruction in aperture.ApertureMacro.InstructionList)
{
switch (instruction.Opcode)
{
case GerberOpcodes.NOP:
break;
case GerberOpcodes.Push:
MacroStack.Push(instruction.Data.DoubleValue);
break;
case GerberOpcodes.PushParameter:
MacroStack.Push(localParameters[instruction.Data.IntValue - 1]);
break;
case GerberOpcodes.PopParameter:
MacroStack.Pop(ref tmp[0]);
localParameters[instruction.Data.IntValue - 1] = tmp[0];
break;
case GerberOpcodes.Add:
MacroStack.Pop(ref tmp[0]);
MacroStack.Pop(ref tmp[1]);
MacroStack.Push(tmp[1] + tmp[0]);
break;
case GerberOpcodes.Subtract:
MacroStack.Pop(ref tmp[0]);
MacroStack.Pop(ref tmp[1]);
MacroStack.Push(tmp[1] - tmp[0]);
break;
case GerberOpcodes.Multiple:
MacroStack.Pop(ref tmp[0]);
MacroStack.Pop(ref tmp[1]);
MacroStack.Push(tmp[1] * tmp[0]);
break;
case GerberOpcodes.Divide:
MacroStack.Pop(ref tmp[0]);
MacroStack.Pop(ref tmp[1]);
MacroStack.Push(tmp[1] / tmp[0]);
break;
case GerberOpcodes.Primative:
// This handles the exposure thing in the aperture macro.
// The exposure is always the first element on stack independent
// of aperture macro.
switch (instruction.Data.IntValue)
{
case 1:
//Debug.Write(" Aperture macro circle [1] (");
type = GerberApertureType.MacroCircle;
numberOfParameters = 4;
break;
case 3:
break; // EOF.
case 4:
//Debug.Write(" Aperture macro outline [4] (");
type = GerberApertureType.MacroOutline;
// Number of parameters are:
// Number of points defined in entry 1 of the stack + start point. Times two since it is both X and Y.
// Then three more; exposure, nuf points and rotation.
numberOfParameters = ((int)MacroStack.Values[1] + 1) * 2 + 3;
break;
case 5:
//Debug.Write(" Aperture macro polygon [5] (");
type = GerberApertureType.MacroPolygon;
numberOfParameters = 6;
break;
case 6:
//Debug.WriteLine(" Aperture macro moiré [6] (");
type = GerberApertureType.MacroMoire;
numberOfParameters = 9;
break;
case 7:
//Debug.Write(" Aperture macro thermal [7] (");
type = GerberApertureType.MacroThermal;
numberOfParameters = 6;
break;
case 2:
case 20:
//Debug.Write(" Aperture macro line 20/2 (");
type = GerberApertureType.MacroLine20;
numberOfParameters = 7;
break;
case 21:
//Debug.Write(" Aperture macro line 21 (");
type = GerberApertureType.MarcoLine21;
numberOfParameters = 6;
break;
case 22:
//Debug.Write(" Aperture macro line 22 (");
type = GerberApertureType.MacroLine22;
numberOfParameters = 6;
break;
default:
success = false;
break;
}
if (type != GerberApertureType.None)
{
if (numberOfParameters > Gerber.MaximumApertureParameters)
{
throw new GerberApertureException("Too many parameters for aperture macro;");
// GERB_COMPILE_ERROR("Number of parameters to aperture macro are more than gerbv is able to store\n");
}
// Create a new simplified aperture macro and start filling in the blanks.
macro = new SimplifiedApertureMacro();
macro.ApertureType = type;
index = 0;
for (int i = 0; i < numberOfParameters; i++)
{
macro.Parameters[i] = MacroStack.Values[i];
}
// Convert any mm values to inches.
switch (type)
{
case GerberApertureType.MacroCircle:
if (Math.Abs(macro.Parameters[0]) < 0.001)
{
clearOperatorUsed = true;
}
macro.Parameters[1] /= scale;
macro.Parameters[2] /= scale;
macro.Parameters[3] /= scale;
break;
case GerberApertureType.MacroOutline:
if (Math.Abs(macro.Parameters[0]) < 0.001)
{
clearOperatorUsed = true;
}
for (int i = 2; i < numberOfParameters - 1; i++)
{
macro.Parameters[i] /= scale;
}
break;
case GerberApertureType.MacroPolygon:
if (Math.Abs(macro.Parameters[0]) < 0.001)
{
clearOperatorUsed = true;
}
macro.Parameters[2] /= scale;
macro.Parameters[3] /= scale;
macro.Parameters[4] /= scale;
break;
case GerberApertureType.MacroMoire:
macro.Parameters[0] /= scale;
macro.Parameters[1] /= scale;
macro.Parameters[2] /= scale;
macro.Parameters[3] /= scale;
macro.Parameters[4] /= scale;
macro.Parameters[6] /= scale;
macro.Parameters[7] /= scale;
break;
case GerberApertureType.MacroThermal:
macro.Parameters[0] /= scale;
macro.Parameters[1] /= scale;
macro.Parameters[2] /= scale;
macro.Parameters[3] /= scale;
macro.Parameters[4] /= scale;
break;
case GerberApertureType.MacroLine20:
if (Math.Abs(macro.Parameters[0]) < 0.001)
{
clearOperatorUsed = true;
}
macro.Parameters[1] /= scale;
macro.Parameters[2] /= scale;
macro.Parameters[3] /= scale;
macro.Parameters[4] /= scale;
macro.Parameters[5] /= scale;
break;
case GerberApertureType.MarcoLine21:
case GerberApertureType.MacroLine22:
if (Math.Abs(macro.Parameters[0]) < 0.001)
{
clearOperatorUsed = true;
}
macro.Parameters[1] /= scale;
macro.Parameters[2] /= scale;
macro.Parameters[3] /= scale;
macro.Parameters[4] /= scale;
break;
default:
break;
}
aperture.SimplifiedMacroList.Add(macro);
//for (int i = 0; i < numberOfParameters; i++)
// Debug.Write(String.Format("{0}, ", MacroStack.Values[i]));
//Debug.WriteLine(")");
}
// Here we reset the stack pointer. It's not generally
// correct to do this, but since I know how the compiler works
// I can do this. The correct way to do this should be to
// subtract number of used elements in each primitive operation.
MacroStack.Reset();
break;
default:
break;
}
}
// Store a flag to let the renderer know if it should expect any "clear" primatives.
aperture.Parameters[0] = clearOperatorUsed ? 1.0f : 0.0f;
return(success);
}
