private void ReadHpglFile(string filename)
{
StreamReader reader = new StreamReader(filename);
_hpgl = HPGL.Parse(reader.ReadToEnd());
UpdateInfos();
DrawPath();
}
private string CreateGcodeFromHpgl(HPGL hpgl, Profile profile)
{
StringBuilder GCode = new StringBuilder();
//GCode.AppendFormat("; Generated by HPGL-to-GCODE\r\n; Profile: {0}\r\n", p.Profilename);
float endstopOffset = profile.EndstopOffset;
float paperThickness = profile.PaperThickness;
float paperPenetration = profile.PaperPenetraion / 100.0f;
float vinylThickness = profile.VinylThickness;
float cutFeedrate = profile.CutFeedrate;
float moveFeedrate = profile.MoveFeedrate;
float retractHeight = profile.RetractHeight;
string startCode = profile.StartCode;
string endCode = profile.EndCode;
float retractZPos = endstopOffset + paperThickness + vinylThickness + retractHeight;
float cutZPos = endstopOffset + paperThickness - (paperThickness * paperPenetration);
float travelFeed = moveFeedrate * 60;
float cuttingFeed = cutFeedrate * 60;
if (startCode.Length > 0)
{
startCode = startCode.Replace("{height}", retractZPos.ToString());
startCode = startCode.Replace("{feed}", travelFeed.ToString());
GCode.AppendLine(startCode);
}
foreach (var command in _hpgl.Commands)
{
switch (command.Instruction)
{
case HPGL.Instruction.PU:
GCode.AppendLine($"G1 Z{Math.Round(retractZPos, 3)} F{travelFeed}");
break;
case HPGL.Instruction.PD:
GCode.AppendLine($"G1 Z{Math.Round(cutZPos, 3)} F{cuttingFeed}");
break;
}
for (int i = 0; i < command.Coordinates.Count; i++)
{
float x = (float)command.Coordinates[i].X * resolution;
float y = (float)command.Coordinates[i].Y * resolution;
GCode.AppendLine($"G1 X{Math.Round(x, 3)} Y{Math.Round(y, 3)}");
}
}
if (endCode.Length > 0)
{
GCode.Append(endCode);
}
return(GCode.ToString());
}
private WinShapes.Path[] RenderHpglToPath(HPGL hpgl, float factor, float height)
{
WinShapes.Path[] pathCollection = new WinShapes.Path[hpgl.Commands.Capacity + 1];
pathCollection[0] = DrawRect(sizeX, sizeY, factor, height);
Point lastpoint = new Point(0, height);
for (int i = 1; i < hpgl.Commands.Count; i++)
{
WinShapes.Path path = new WinShapes.Path();
StreamGeometry geometry = new StreamGeometry();
HPGL.Command cmd = hpgl.Commands[i];
if (cmd.Instruction == HPGL.Instruction.Undefined)
{
continue;
}
else if (cmd.Instruction == HPGL.Instruction.PD)
{
path.Stroke = Brushes.Crimson;
path.StrokeThickness = 1.5;
path.Opacity = 0.8;
}
else if (cmd.Instruction == HPGL.Instruction.PU)
{
path.Stroke = Brushes.Blue;
path.StrokeThickness = 1.5;
path.Opacity = 0.4;
}
using (StreamGeometryContext context = geometry.Open())
{
context.BeginFigure(lastpoint, false, false);
for (int j = 0; j < cmd.Coordinates.Count; j++)
{
Point nextPoint = new Point(cmd.Coordinates[j].X * factor, height - (cmd.Coordinates[j].Y * factor));
context.LineTo(nextPoint, true, false);
}
lastpoint = new Point(cmd.Coordinates[cmd.Coordinates.Count - 1].X * factor, height - (cmd.Coordinates[cmd.Coordinates.Count - 1].Y * factor));
}
geometry.Freeze();
path.Data = geometry;
pathCollection[i] = path;
}
return(pathCollection);
}
public static HPGL Parse(string hpglString)
{
string[] commandSplits = hpglString.Split(';');
HPGL hpgl = new HPGL();
foreach (string commandSplit in commandSplits)
{
Command command = new Command();
if (commandSplit.StartsWith("PD"))
{
command.SetInstruction(Instruction.PD);
}
else if (commandSplit.StartsWith("PU"))
{
command.SetInstruction(Instruction.PU);
}
else
{
command.SetInstruction(Instruction.Undefined);
}
string[] coordinateSplits = commandSplit.Substring(2).Split(',');
if (command.Instruction != Instruction.Undefined)
{
for (int i = 0; i < coordinateSplits.Length; i += 2)
{
command.AddCoordinate(new Point(double.Parse(coordinateSplits[i]), double.Parse(coordinateSplits[i + 1])));
}
}
hpgl.AddCommand(command);
}
return(hpgl);
}