public void Test()
{
DxfModel model = new DxfModel(DxfVersion.Dxf14);
DxfHatch hatch = new DxfHatch();
hatch.Color = EntityColors.Green;
hatch.ElevationPoint = new Point3D(10,10, 0);
hatch.ZAxis = new Vector3D(0, 0, 0);
// A boundary path bounded by lines.
DxfHatch.BoundaryPath boundaryPath1 = new DxfHatch.BoundaryPath();
boundaryPath1.Type = BoundaryPathType.None;
hatch.BoundaryPaths.Add(boundaryPath1);
boundaryPath1.Edges.Add(new DxfHatch.BoundaryPath.LineEdge(new Point2D(0, 0), new Point2D(1, 0)));
boundaryPath1.Edges.Add(new DxfHatch.BoundaryPath.LineEdge(new Point2D(1, 0), new Point2D(1, 1)));
boundaryPath1.Edges.Add(new DxfHatch.BoundaryPath.LineEdge(new Point2D(1, 1), new Point2D(0, 1)));
boundaryPath1.Edges.Add(new DxfHatch.BoundaryPath.LineEdge(new Point2D(0, 1), new Point2D(0, 0)));
// Define the hatch fill pattern.
// Don't set a pattern for solid fill.
hatch.Pattern = new DxfPattern();
DxfPattern.Line patternLine = new DxfPattern.Line();
hatch.Pattern.Lines.Add(patternLine);
patternLine.Angle = System.Math.PI / 4d;
patternLine.Offset = new Vector2D(0.02, -0.01d);
patternLine.DashLengths.Add(0.02d);
patternLine.DashLengths.Add(-0.01d);
patternLine.DashLengths.Add(0d);
patternLine.DashLengths.Add(-0.01d);
model.Entities.Add(hatch);
DxfWriter.Write("DxfWriteHatchTest.dxf", model, false);
}
public static DxfPattern[] ReadPatterns(TextReader reader)
{
int num1 = 0;
List <DxfPattern> dxfPatternList = new List <DxfPattern>();
DxfPattern dxfPattern = (DxfPattern)null;
try
{
while (true)
{
string str1;
do
{
do
{
string str2 = reader.ReadLine();
++num1;
if (str2 != null)
{
str1 = str2.Trim('\x001A');
}
else
{
goto label_14;
}
}while (string.IsNullOrEmpty(str1) || str1.StartsWith(";"));
if (str1.StartsWith("*"))
{
int num2 = str1.IndexOf(',');
string name;
string str2;
if (num2 < 0)
{
name = str1.Substring(1);
str2 = (string)null;
}
else
{
name = str1.Substring(1, num2 - 1);
str2 = str1.Substring(num2 + 1);
}
dxfPattern = new DxfPattern(name);
dxfPattern.Description = str2;
dxfPatternList.Add(dxfPattern);
}
}while (dxfPattern == null);
DxfPattern.Line line = new DxfPattern.Line();
string[] strArray = str1.Split(',');
line.Angle = System.Math.PI / 180.0 * double.Parse(strArray[0], (IFormatProvider)CultureInfo.InvariantCulture);
line.BasePoint = new Point2D(double.Parse(strArray[1], (IFormatProvider)CultureInfo.InvariantCulture), double.Parse(strArray[2], (IFormatProvider)CultureInfo.InvariantCulture));
Vector2D vector2D = new Vector2D(double.Parse(strArray[3], (IFormatProvider)CultureInfo.InvariantCulture), double.Parse(strArray[4], (IFormatProvider)CultureInfo.InvariantCulture));
double num3 = System.Math.Cos(line.Angle);
double num4 = System.Math.Sin(line.Angle);
line.Offset = new Vector2D(vector2D.X * num3 - vector2D.Y * num4, vector2D.X * num4 + vector2D.Y * num3);
for (int index = 5; index < strArray.Length; ++index)
{
line.DashLengths.Add(double.Parse(strArray[index], (IFormatProvider)CultureInfo.InvariantCulture));
}
dxfPattern.Lines.Add(line);
}
}
catch (Exception ex)
{
throw new Exception(string.Format("Parse error at line {0}: ", (object)num1), ex);
}
label_14:
return(dxfPatternList.ToArray());
}
