private static void MLineStyleUsesAndRemove()
{
DxfDocument dxf = new DxfDocument();
//MLineStyle style = MLineStyle.Default;
//dxf.AddMLineStyle(style);
List<Vector2> vertexes = new List<Vector2>
{
new Vector2(0, 0),
new Vector2(0, 150),
new Vector2(150, 150),
new Vector2(150, 0)
};
MLine mline = new MLine(vertexes);
mline.Scale = 20;
mline.Justification = MLineJustification.Zero;
//mline.IsClosed = true;
MLineStyle style = new MLineStyle("MyStyle", "Personalized style.");
style.Elements.Add(new MLineStyleElement(0.25));
style.Elements.Add(new MLineStyleElement(-0.25));
// if we add new elements directly to the list we need to sort the list,
style.Elements.Sort();
style.Flags = MLineStyleFlags.EndInnerArcsCap | MLineStyleFlags.EndRoundCap | MLineStyleFlags.StartInnerArcsCap | MLineStyleFlags.StartRoundCap;
//style.StartAngle = 25.0;
//style.EndAngle = 160.0;
// AutoCad2000 dxf version does not support true colors for MLineStyle elements
style.Elements[0].Color = new AciColor(180, 230, 147);
mline.Style = style;
// we have modified the mline after setting its vertexes so we need to manually call this method.
// also when manually editting the vertex distances
mline.CalculateVertexesInfo();
// we can manually create cuts or gaps in the individual elements that made the multiline.
// the cuts are defined as distances from the start point of the element along its direction.
mline.Vertexes[0].Distances[0].Add(50);
mline.Vertexes[0].Distances[0].Add(100);
mline.Vertexes[0].Distances[mline.Style.Elements.Count - 1].Add(50);
mline.Vertexes[0].Distances[mline.Style.Elements.Count - 1].Add(100);
dxf.AddEntity(mline);
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2004;
dxf.Save("MLine.dxf");
DxfDocument dxf2 = DxfDocument.Load("MLine.dxf");
// "MyStyle" is used only once
List<DxfObject> uses;
uses = dxf.MlineStyles.GetReferences(mline.Style.Name);
// if we try to get the LineTypeUses, we will find out that "MyStyle" appears several times,
// this is due to that each MLineStyleElement of a MLineStyle has an associated LineType
uses = dxf.LineTypes.GetReferences(LineType.ByLayerName);
bool ok;
ok = dxf.RemoveEntity(mline);
// "MyStyle" is not used its reference has been deleted
uses = dxf.MlineStyles.GetReferences(mline.Style.Name);
// we can safely remove it
dxf.MlineStyles.Remove(mline.Style.Name);
dxf.Save("MLine2.dxf");
dxf.Layers.Clear();
dxf.Save("MLine2.dxf");
}
private static void WriteMLine()
{
DxfDocument dxf = new DxfDocument();
//MLineStyle style = MLineStyle.Default;
//dxf.AddMLineStyle(style);
List<Vector2> vertexes = new List<Vector2>
{
new Vector2(0, 0),
new Vector2(0, 150),
new Vector2(150, 150),
new Vector2(150, 0)
};
MLine mline = new MLine(vertexes);
mline.Scale = 20;
mline.Justification = MLineJustification.Zero;
//mline.IsClosed = true;
MLineStyle style = new MLineStyle("MyStyle", "Personalized style.");
style.Elements.Add(new MLineStyleElement(0.25));
style.Elements.Add(new MLineStyleElement(-0.25));
// if we add new elements directly to the list we need to sort the list,
style.Elements.Sort();
style.Flags = MLineStyleFlags.EndInnerArcsCap | MLineStyleFlags.EndRoundCap | MLineStyleFlags.StartInnerArcsCap | MLineStyleFlags.StartRoundCap;
//style.StartAngle = 25.0;
//style.EndAngle = 160.0;
// AutoCad2000 dxf version does not support true colors for MLineStyle elements
style.Elements[0].Color = new AciColor(180, 230, 147);
mline.Style = style;
// we have modified the mline after setting its vertexes so we need to manually call this method.
// also when manually editting the vertex distances
mline.CalculateVertexesInfo();
// we can manually create cuts or gaps in the individual elements that made the multiline.
// the cuts are defined as distances from the start point of the element along its direction.
mline.Vertexes[0].Distances[0].Add(50);
mline.Vertexes[0].Distances[0].Add(100);
mline.Vertexes[0].Distances[mline.Style.Elements.Count-1].Add(50);
mline.Vertexes[0].Distances[mline.Style.Elements.Count-1].Add(100);
dxf.AddEntity(mline);
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2004;
dxf.Save("MLine.dxf");
//dxf = DxfDocument.Load("Drawing1.dxf");
//dxf.Save("Drawing1 copy.dxf");
//dxf = DxfDocument.Load("Drawing3.dxf");
//dxf.Save("Drawing3 copy.dxf");
//dxf = DxfDocument.Load("Drawing2.dxf");
//dxf.Save("Drawing2 copy.dxf");
// empty mline
//List<Vector2> vertexes2 = new List<Vector2>
// {
// new Vector2(0, 0),
// new Vector2(100, 100),
// new Vector2(100, 100),
// new Vector2(200, 0)
// };
//MLine mline2 = new MLine(vertexes2){Scale = 20};
//mline2.CalculateVertexesInfo();
//DxfDocument dxf2 = new DxfDocument();
//dxf2.AddEntity(mline2);
////dxf2.Save("void mline.dxf");
//MLine mline3 = new MLine();
//dxf2.AddEntity(mline3);
////dxf2.Save("void mline.dxf");
//Polyline pol = new Polyline();
//LwPolyline lwPol = new LwPolyline();
//dxf2.AddEntity(pol);
//dxf2.AddEntity(lwPol);
//dxf2.Save("void mline.dxf");
//dxf2 = DxfDocument.Load("void mline.dxf");
}
public static void ModifyingMLineStyles()
{
DxfDocument doc = new DxfDocument(DxfVersion.AutoCad2010);
doc.DrawingVariables.LtScale = 10;
List<Vector2> vertexes = new List<Vector2>
{
new Vector2(0, 0),
new Vector2(0, 150),
new Vector2(150, 150),
new Vector2(150, 0)
};
MLine mline = new MLine(vertexes);
mline.Scale = 20;
mline.Justification = MLineJustification.Zero;
MLineStyle style = new MLineStyle("MyStyle", "Personalized style.");
style.Elements.Add(new MLineStyleElement(0.25));
style.Elements.Add(new MLineStyleElement(-0.25));
// if we add new elements directly to the list we need to sort the list,
style.Elements.Sort();
style.Flags = MLineStyleFlags.EndInnerArcsCap | MLineStyleFlags.EndRoundCap | MLineStyleFlags.StartInnerArcsCap | MLineStyleFlags.StartRoundCap;
// AutoCad2000 dxf version does not support true colors for MLineStyle elements
style.Elements[0].Color = new AciColor(180, 230, 147);
doc.AddEntity(mline);
// change the multi line style after it has been added to the document
mline.Style = style;
Debug.Assert(ReferenceEquals(mline.Style, doc.MlineStyles[mline.Style.Name]), "Reference not equals.");
// VERY IMPORTANT: We have modified the MLine after setting its vertexes so we need to manually call this method.
// It is also necessary when manually editing the vertex distances.
mline.CalculateVertexesInfo();
// the line type will be automatically added to the document
foreach (MLineStyleElement e in style.Elements)
{
// making changes after the MLineStyle has been added to the document
e.LineType = LineType.Dashed;
Debug.Assert(ReferenceEquals(e.LineType, doc.LineTypes[e.LineType.Name]), "Reference not equals.");
}
MLine copy = (MLine) mline.Clone();
copy.Scale = 100;
doc.AddEntity(copy);
// once the entity has been added to the document, changing its style requires that the new style is also present in the document.
copy.Style = doc.MlineStyles["standard"];
// VERY IMPORTANT: We have modified the MLine after setting its vertexes so we need to manually call this method.
// It is also necessary when manually editing the vertex distances.
copy.CalculateVertexesInfo();
doc.Save("ModifyingMLineStyle.dxf");
Test("ModifyingMLineStyle.dxf");
}