public Drawing ReadDrawing(string dxfFileName, Canvas canvas)
{
doc = new DxfDocument();
doc.Load(dxfFileName);
drawing = new Drawing(canvas);
ReadLines();
ReadPolylines();
ReadArcs();
ReadCircles();
ReadInserts();
drawing.Recalculate();
return drawing;
}
public void Load(string filePath)
{
_dxf = new DxfDocument();
_dxf.Load(filePath);
foreach (netDxf.Tables.LineType lineType in _dxf.LineTypes)
{
_lineTypeDictionary.Add(lineType, PicGraphics.LT.LT_CUT);
_lineType2GrpDictionary.Add(lineType, 0);
}
}
public void importFileInternal(string path)
{
string ext = System.IO.Path.GetExtension(path).ToUpper();
try
{
string contents = "";
if (ext.Equals(".DXF"))
{
DXF.DxfDocument doc = new DXF.DxfDocument();
doc.Load(path);
contents = "\r\n// import: " + System.IO.Path.GetFileName(path) + "\r\n\r\n";
double x, y;
double minx = double.MaxValue;
double miny = double.MaxValue;
foreach (DXF.Entities.Arc arc in doc.Arcs)
{
Arc a2 = new Arc(new PointF((float)arc.Center.X, (float)arc.Center.Y), (float)(arc.Radius * 2), -1, (float)(360 - arc.StartAngle), (float)(360 - arc.EndAngle));
PointF[] list = a2.GetPoints();
foreach (PointF p in list)
{
minx = Math.Min(minx, p.X);
miny = Math.Min(miny, p.Y);
}
/*
double a = 360 - arc.StartAngle;
double b = 360 - arc.EndAngle;
while (a < 0 || b < 0) { a += 360; b += 360; }
x = arc.Center.X + arc.Radius * Math.Sin( ToolpathUtilities.Radians( (float)a ));
y = arc.Center.Y + arc.Radius * Math.Cos( ToolpathUtilities.Radians( (float)a ));
minx = Math.Min(x, minx);
miny = Math.Min(y, miny);
x = arc.Center.X + arc.Radius * Math.Sin(ToolpathUtilities.Radians((float)b));
y = arc.Center.Y + arc.Radius * Math.Cos(ToolpathUtilities.Radians((float)b));
minx = Math.Min(x, minx);
miny = Math.Min(y, miny);
//minx = Math.Min(arc.Center.X, minx);
//miny = Math.Min(arc.Center.Y, miny);
*/
}
foreach (DXF.Entities.Circle circle in doc.Circles)
{
x = circle.Center.X - circle.Radius;
y = circle.Center.Y - circle.Radius;
minx = Math.Min(x, minx);
miny = Math.Min(y, miny);
}
foreach (DXF.Entities.Line line in doc.Lines)
{
x = Math.Min(line.StartPoint.X, line.EndPoint.X);
y = Math.Min(line.StartPoint.Y, line.EndPoint.Y);
minx = Math.Min(x, minx);
miny = Math.Min(y, miny);
}
Console.WriteLine("Min {0:0.00}, {1:0.00}", minx, miny);
//minx = miny = 0;
foreach (DXF.Entities.Arc arc in doc.Arcs)
{
double arcLen = Math.PI * arc.Radius * 25.4 * 2; // diameter
double degrees = Math.Abs((0 - arc.EndAngle) - (0 - arc.StartAngle));
arcLen *= (degrees / 360);
contents += string.Format("\tARC {0:0.00}, {1:0.00}, {2:0.00}, {3:0.00}, {4:0.00} \n", // arc len {5:0.00}\n",
(arc.Center.X - minx) * 25.4, (arc.Center.Y - miny) * 25.4, arc.Radius * 25.4 * 2, 360 - arc.StartAngle, 360 - arc.EndAngle); // , arcLen);
}
foreach (DXF.Entities.Circle circle in doc.Circles)
{
contents += string.Format("\tCIRCLE {0:0.00}, {1:0.00}, {2:0.00}\n",
(circle.Center.X - minx) * 25.4, (circle.Center.Y - miny) * 25.4, circle.Radius * 25.4 * 2);
}
foreach (DXF.Entities.Line line in doc.Lines)
{
contents += string.Format("\tLINE {0:0.00}, {1:0.00}, {2:0.00}, {3:0.00}\n",
(line.StartPoint.X - minx) * 25.4, (line.StartPoint.Y - miny) * 25.4, (line.EndPoint.X - minx) * 25.4, (line.EndPoint.Y - miny) * 25.4);
}
}
else // try a gerb import
{
contents = new Gerbers.Gerbers().TranslateGerber(path);
}
Invoke(new Action<string>((str) =>
{
if (cleanImport) editor.Text = str;
else editor.Text += "\r\n" + str;
}), new object[] { contents });
Invoke(new Action<string>((str) => { statusMessage.Text = str; }), new object[] { "Import OK" });
Invoke(new Action(() => { runParse(); }));
if (cleanImport)
{
fDirty = false;
currentPath = System.IO.Path.GetFileNameWithoutExtension(path);
Invoke(new Action(() => { UpdateFormTitle(); }));
Unzoom();
RecenterImage();
}
}
catch (Exception e)
{
logMessage(e.Message);
logMessage(e.StackTrace);
Invoke(new Action<string>((str) => { statusMessage.Text = str; ctc.SelectedIndex = 0; }), new object[] { "Import error, see log" });
}
}
private static void BlockAttributes()
{
DxfDocument dxf = new DxfDocument( );
Block block = new Block("BlockWithAttributes");
block.Layer = new Layer("BlockSample");
AttributeDefinition attdef = new AttributeDefinition("NewAttribute");
attdef.Text = "InfoText";
attdef.BasePoint = new Vector3d(1, 1, 1);
attdef.Style.IsVertical = true;
attdef.Rotation = 45;
block.Attributes.Add(attdef.Id, attdef);
block.Entities.Add(new Line(new Vector3d(-5, -5, 0), new Vector3d(5, 5, 0)));
block.Entities.Add(new Line(new Vector3d(5, -5, 0), new Vector3d(-5, 5, 0)));
Insert insert = new Insert(block, new Vector3d(5, 5, 5));
insert.Layer = new Layer("insert");
insert.Rotation = 45;
insert.Layer.Color.Index = 4;
insert.Attributes[0].Value = 24;
Insert insert2 = new Insert(block, new Vector3d(-5, -5, -5));
insert2.Attributes[0].Value = 34;
XData xdata1 = new XData(new ApplicationRegistry("netDxf"));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata1.XDataRecord.Add(XDataRecord.OpenControlString);
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, 0));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, 0));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, 0));
xdata1.XDataRecord.Add(XDataRecord.CloseControlString);
XData xdata2 = new XData(new ApplicationRegistry("other application"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata2.XDataRecord.Add(XDataRecord.OpenControlString);
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "string record"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Real, 15.5));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Long, 350));
xdata2.XDataRecord.Add(XDataRecord.CloseControlString);
insert.XData = new Dictionary<ApplicationRegistry, XData>
{
{xdata1.ApplicationRegistry, xdata1},
};
dxf.AddEntity(insert);
dxf.AddEntity(insert2);
Circle circle = new Circle(Vector3d.Zero, 5);
circle.Layer = new Layer("circle");
circle.Layer.Color.Index = 2;
circle.XData = new Dictionary<ApplicationRegistry, XData>
{
{xdata2.ApplicationRegistry, xdata2},
};
dxf.AddEntity(circle);
dxf.Save("Block with attributes.dxf", DxfVersion.AutoCad2000);
dxf.Load("Block with attributes.dxf");
dxf.Save("Block with attributes result.dxf", DxfVersion.AutoCad2000); // both results must be equal only the handles might be different
}
private static void SpeedTest()
{
Stopwatch crono = new Stopwatch();
float totalTime=0;
crono.Start();
DxfDocument dxf = new DxfDocument();
/// create 100,000 lines
for (int i=0; i<100000;i++)
{
//line
Line line = new Line(new Vector3d(0, i, 0), new Vector3d(5, i, 0));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
}
Console.WriteLine("Time creating entities : " + crono.ElapsedMilliseconds / 1000.0f);
totalTime += crono.ElapsedMilliseconds;
crono.Reset();
crono.Start();
dxf.Save("speedtest.dxf", DxfVersion.AutoCad12);
Console.WriteLine("Time saving file : " + crono.ElapsedMilliseconds / 1000.0f);
totalTime += crono.ElapsedMilliseconds;
crono.Reset();
crono.Start();
dxf.Load("speedtest.dxf");
Console.WriteLine("Time loading file : " + crono.ElapsedMilliseconds / 1000.0f);
totalTime += crono.ElapsedMilliseconds;
crono.Stop();
Console.WriteLine("Total time : " + totalTime / 1000.0f);
Console.ReadLine();
}
private static void ReadDxfFile()
{
DxfDocument dxf = new DxfDocument();
//dxf.Load("AutoCad2007.dxf");
//dxf.Load("AutoCad2004.dxf");
dxf.Load("AutoCad2000.dxf");
dxf.Save("AutoCad2000 result.dxf", DxfVersion.AutoCad2000);
//dxf.Load("AutoCad12.dxf");
//dxf.Load("Tablet.dxf");
//dxf.Save("Tablet result.dxf", DxfVersion.AutoCad2000);
}
private static void Face3d()
{
DxfDocument dxf = new DxfDocument();
Face3d face3d = new Face3d();
face3d.FirstVertex = new Vector3d(0, 0, 0);
face3d.SecondVertex = new Vector3d(1, 0, 0);
face3d.ThirdVertex = new Vector3d(1, 1, 0);
face3d.FourthVertex = new Vector3d(0, 1, 0);
dxf.AddEntity(face3d);
dxf.Save("face.dxf", DxfVersion.AutoCad2000);
dxf.Load("face.dxf");
dxf.Save("face return.dxf", DxfVersion.AutoCad2000);
}
private static void Ellipse()
{
DxfDocument dxf = new DxfDocument();
Line line = new Line(new Vector3d(0, 0, 0), new Vector3d((2 * Math.Cos(Math.PI / 4)), (2 * Math.Cos(Math.PI / 4)), 0));
dxf.AddEntity(line);
Line line2 = new Line(new Vector3d(0, 0, 0), new Vector3d(0, -2, 0));
dxf.AddEntity(line2);
Arc arc=new Arc(Vector3d.Zero,2,45,270);
dxf.AddEntity(arc);
// ellipses are saved as polylines
Ellipse ellipse = new Ellipse(new Vector3d(2,2,0), 5,3);
ellipse.Rotation = 30;
ellipse.Normal=new Vector3d(1,1,1);
ellipse.Thickness = 2;
dxf.AddEntity(ellipse);
dxf.Save("ellipse.dxf", DxfVersion.AutoCad2000);
dxf = new DxfDocument();
dxf.Load("ellipse.dxf");
}
