public void RoundTripMultipleEntities()
{
var drawing = new DwgDrawing();
drawing.ModelSpaceBlockRecord.Entities.Add(new DwgLine(new DwgPoint(0.0, 0.0, 0.0), new DwgPoint(10.0, 10.0, 0.0))
{
Layer = drawing.CurrentLayer
});
drawing.ModelSpaceBlockRecord.Entities.Add(new DwgLine(new DwgPoint(5.0, 5.0, 0.0), new DwgPoint(15.0, 15.0, 0.0))
{
Layer = drawing.CurrentLayer
});
var roundTrippedDrawing = RoundTrip(drawing);
// verify handles
var entities = roundTrippedDrawing.ModelSpaceBlockRecord.Entities;
Assert.Equal(2, entities.Count);
var l1 = (DwgLine)entities.First();
var l2 = (DwgLine)entities.Last();
Assert.Equal(l1.Handle.HandleOrOffset + 1, l2.Handle.HandleOrOffset);
Assert.Equal(l1.PreviousEntityHandle, new DwgHandleReference(DwgHandleReferenceCode.HardPointer, 0));
Assert.Equal(l1.NextEntityHandle, new DwgHandleReference(DwgHandleReferenceCode.HandlePlus1, 0));
Assert.Equal(l2.PreviousEntityHandle, new DwgHandleReference(DwgHandleReferenceCode.HandleMinus1, 0));
Assert.Equal(l2.NextEntityHandle, new DwgHandleReference(DwgHandleReferenceCode.HardPointer, 0));
// verify data
Assert.Equal(2, entities.Count);
Assert.Equal(new DwgPoint(0.0, 0.0, 0.0), l1.P1);
Assert.Equal(new DwgPoint(10.0, 10.0, 0.0), l1.P2);
Assert.Equal(new DwgPoint(5.0, 5.0, 0.0), l2.P1);
Assert.Equal(new DwgPoint(15.0, 15.0, 0.0), l2.P2);
}
public void ReadEntireFile()
{
var drawing = DwgDrawing.Load(Path.Combine("Drawings", "R14.dwg"));
var line = (DwgLine)drawing.ModelSpaceBlockRecord.Entities.Single();
Assert.Equal(DwgPoint.Origin, line.P1);
Assert.Equal(new DwgPoint(10.0, 10.0, 0.0), line.P2);
}
public async Task <ReadDrawingResult> ReadDrawing(string fileName, Stream fileStream, Func <string, Task <byte[]> > contentResolver)
{
var dwgDrawing = DwgDrawing.Load(fileStream);
var options = new DwgToDxfConverterOptions(DxfAcadVersion.R14);
var converter = new DwgToDxfConverter();
var dxf = await converter.Convert(dwgDrawing, options);
return(await DxfFileHandler.FromDxfFile(Path.ChangeExtension(fileName, ".dxf"), dxf, contentResolver));
}
public static DwgDrawing RoundTrip(DwgDrawing drawing)
{
using (var ms = new MemoryStream())
{
drawing.Save(ms);
ms.Seek(0, SeekOrigin.Begin);
return(DwgDrawing.Load(ms));
}
}
public static DwgEntity RoundTrip(DwgEntity entity)
{
var drawing = new DwgDrawing();
entity.Layer = drawing.CurrentLayer;
drawing.ModelSpaceBlockRecord.Entities.Add(entity);
var roundTrippedDrawing = RoundTrip(drawing);
return(roundTrippedDrawing.ModelSpaceBlockRecord.Entities.Single());
}
public void NextAvailableHandle()
{
var drawing = new DwgDrawing();
Assert.True(drawing.Variables.NextAvailableHandle.IsEmpty);
using (var ms = new MemoryStream())
{
drawing.Save(ms);
}
Assert.False(drawing.Variables.NextAvailableHandle.IsEmpty);
}
public void RoundTripDefaultFile()
{
// validate default values
var defaultFile = new DwgDrawing();
Assert.Equal("0", defaultFile.Layers.Single().Value.Name);
Assert.Equal("STANDARD", defaultFile.Styles.Single().Value.Name);
Assert.Equal(2, defaultFile.BlockHeaders.Count);
Assert.NotNull(defaultFile.BlockHeaders["*PAPER_SPACE"]);
Assert.NotNull(defaultFile.BlockHeaders["*MODEL_SPACE"]);
Assert.Equal(3, defaultFile.LineTypes.Count);
Assert.NotNull(defaultFile.LineTypes["BYLAYER"]);
Assert.NotNull(defaultFile.LineTypes["BYBLOCK"]);
Assert.NotNull(defaultFile.LineTypes["CONTINUOUS"]);
Assert.Equal("*ACTIVE", defaultFile.ViewPorts.Single().Value.Name);
Assert.True(ReferenceEquals(defaultFile.Layers["0"].LineType, defaultFile.LineTypes["CONTINUOUS"]));
Assert.Equal(new[] { "ACAD", "ACAD_MLEADERVER" }, defaultFile.AppIds.Values.Select(a => a.Name));
Assert.Equal("STANDARD", defaultFile.DimStyles.Single().Value.Name);
Assert.True(ReferenceEquals(defaultFile.DimStyles.Single().Value.Style, defaultFile.Styles.Single().Value));
// valiate round-trip
var roundTrippedFile = RoundTrip(defaultFile);
Assert.Equal("0", roundTrippedFile.Layers.Single().Value.Name);
Assert.Equal("STANDARD", roundTrippedFile.Styles.Single().Value.Name);
Assert.Equal(2, roundTrippedFile.BlockHeaders.Count);
Assert.NotNull(roundTrippedFile.BlockHeaders["*PAPER_SPACE"]);
Assert.NotNull(roundTrippedFile.BlockHeaders["*MODEL_SPACE"]);
Assert.Equal(3, roundTrippedFile.LineTypes.Count);
Assert.NotNull(roundTrippedFile.LineTypes["BYLAYER"]);
Assert.NotNull(roundTrippedFile.LineTypes["BYBLOCK"]);
Assert.NotNull(roundTrippedFile.LineTypes["CONTINUOUS"]);
Assert.Equal("*ACTIVE", roundTrippedFile.ViewPorts.Single().Value.Name);
Assert.True(ReferenceEquals(roundTrippedFile.Layers["0"].LineType, roundTrippedFile.LineTypes["CONTINUOUS"]));
Assert.Equal(new[] { "ACAD", "ACAD_MLEADERVER" }, roundTrippedFile.AppIds.Values.Select(a => a.Name));
Assert.Equal("STANDARD", roundTrippedFile.DimStyles.Single().Value.Name);
Assert.True(ReferenceEquals(roundTrippedFile.DimStyles.Single().Value.Style, roundTrippedFile.Styles.Single().Value));
}
public void CaseInsensitiveDictionaries()
{
var drawing = new DwgDrawing();
Assert.True(ReferenceEquals(drawing.LineTypes["CONTINUOUS"], drawing.LineTypes["continuous"]));
}
