private void method_1()
{
Class889 class889 = Class889.Create(this.stream_0, this.dxfVersion_0, this.encoding_0);
this.class564_0.Header2Offset = (ulong)this.stream_0.Position;
MemoryStream fileHeaderDataStream = new MemoryStream();
this.method_2(fileHeaderDataStream);
this.stream_0.Write(fileHeaderDataStream.GetBuffer(), 0, (int)fileHeaderDataStream.Length);
this.stream_0.Position = 0L;
this.stream_0.Write(Encodings.Ascii.GetBytes(this.dxfModel_0.Header.AcadVersionString), 0, 6);
this.stream_0.Write(new byte[5], 0, 5);
if (this.dxfModel_0.Header.AcadVersion == DxfVersion.Dxf18 && this.dxfModel_0.Header.AcadMaintenanceVersion == 1)
{
throw new DxfException("Header.AcadMaintenanceVersion may not be 1 for R18 files.");
}
this.stream_0.WriteByte((byte)this.dxfModel_0.Header.AcadMaintenanceVersion);
this.stream_0.WriteByte((byte)3);
class889.vmethod_11((uint)this.class617_5.Pages[0].StreamOffset + 32U);
this.stream_0.WriteByte((byte)Class885.smethod_3(DxfVersion.Dxf27));
this.stream_0.WriteByte((byte)8);
ushort num = Class952.smethod_1(this.dxfModel_0.Header.DrawingCodePage);
class889.vmethod_7(num);
this.stream_0.Write(new byte[3], 0, 3);
class889.vmethod_9((int)this.dxfModel_0.SecurityFlags);
class889.vmethod_9(0);
class889.vmethod_11((uint)this.class617_1.Pages[0].StreamOffset + 32U);
class889.vmethod_11(0U);
class889.vmethod_9(128);
class889.vmethod_11((uint)this.class617_6.Pages[0].StreamOffset + 32U);
this.stream_0.Write(new byte[80], 0, 80);
this.stream_0.Write(fileHeaderDataStream.GetBuffer(), 0, (int)fileHeaderDataStream.Length);
this.stream_0.Write(Class998.byte_0, 236, 20);
}
private void method_2()
{
Class889 class889 = Class889.Create(this.stream_0, this.dxfVersion_0, this.encoding_0);
this.stream_0.Position = 0L;
this.stream_0.Write(Encodings.Ascii.GetBytes(this.dxfModel_0.Header.AcadVersionString), 0, 6);
this.stream_0.Write(new byte[5], 0, 5);
int maintenanceVersion = this.dxfModel_0.Header.AcadMaintenanceVersion;
this.stream_0.WriteByte((byte)this.dxfModel_0.Header.AcadMaintenanceVersion);
this.stream_0.WriteByte((byte)3);
class889.vmethod_11((uint)this.class504_2.Pages[0].StreamOffset + 1152U);
this.stream_0.WriteByte((byte)Class885.smethod_3(DxfVersion.Dxf27));
this.stream_0.WriteByte((byte)8);
ushort num = Class952.smethod_1(this.dxfModel_0.Header.DrawingCodePage);
class889.vmethod_7(num);
this.stream_0.Write(new byte[3], 0, 3);
class889.vmethod_9((int)this.dxfModel_0.SecurityFlags);
class889.vmethod_9(0);
class889.vmethod_11((uint)this.class504_3.Pages[0].StreamOffset + 1152U);
class889.vmethod_11(0U);
class889.vmethod_9(128);
class889.vmethod_11((uint)this.class504_1.Pages[0].StreamOffset + 1152U);
for (int index = 0; index < 80; ++index)
{
this.stream_0.WriteByte((byte)0);
}
}
private void method_10()
{
this.class617_6.MaxDecompressedPageSize = 128;
MemoryStream memoryStream = new MemoryStream();
Class885.smethod_0(new Class949(), (Stream)memoryStream, this.encoding_0);
this.method_23(this.class617_6, memoryStream, false);
}
protected void method_23(Class617 section, MemoryStream memoryStream, bool compress)
{
section.SectionSize = (ulong)memoryStream.Length;
section.Compressed = compress ? 2 : 1;
int decompressedPageSize = section.MaxDecompressedPageSize;
int num1 = (int)(memoryStream.Length / (long)decompressedPageSize);
byte[] buffer = memoryStream.GetBuffer();
ulong num2 = 0;
for (int index = 0; index < num1; ++index)
{
this.method_24(section, 1097008187, decompressedPageSize, buffer, num2, decompressedPageSize, compress);
num2 += (ulong)decompressedPageSize;
}
int uncompressedLength = (int)(memoryStream.Length % (long)decompressedPageSize);
if (uncompressedLength <= 0 || Class885.smethod_1(buffer, num2, (ulong)uncompressedLength))
{
return;
}
this.method_24(section, 1097008187, decompressedPageSize, buffer, num2, uncompressedLength, compress);
int num3 = num1 + 1;
}
public void Write()
{
Interface29 nterface29 = Class724.Create(this.dxfVersion_0, (Stream)this.memoryStream_0, this.encoding_0);
nterface29.imethod_11(byte.MaxValue);
nterface29.imethod_11((byte)119);
nterface29.imethod_11((byte)1);
DwgVersion dwgVersion = Class885.smethod_3(this.dxfModel_0.Header.AcadVersion);
nterface29.imethod_18((short)dwgVersion);
nterface29.imethod_18((short)this.dxfModel_0.Header.AcadMaintenanceVersion);
nterface29.imethod_19(this.dxfModel_0.NumberOfSaves);
nterface29.imethod_19(-1);
short num1 = this.dxfModel_0.NumberOfSaves <= (int)short.MaxValue ? (short)0 : (short)(this.dxfModel_0.NumberOfSaves - (int)short.MaxValue);
short num2 = (short)(this.dxfModel_0.NumberOfSaves - (int)num1);
nterface29.imethod_18(num2);
nterface29.imethod_18(num1);
nterface29.imethod_19(0);
nterface29.imethod_18((short)dwgVersion);
nterface29.imethod_18((short)this.dxfModel_0.Header.AcadMaintenanceVersion);
nterface29.imethod_18((short)dwgVersion);
nterface29.imethod_18((short)this.dxfModel_0.Header.AcadMaintenanceVersion);
nterface29.imethod_18((short)5);
nterface29.imethod_18((short)2195);
nterface29.imethod_18((short)5);
nterface29.imethod_18((short)2195);
nterface29.imethod_18((short)0);
nterface29.imethod_18((short)1);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
int days1;
int milliseconds1;
Class644.smethod_1(this.dxfModel_0.Header.CreateDateTime, out days1, out milliseconds1);
nterface29.imethod_19(days1);
nterface29.imethod_19(milliseconds1);
int days2;
int milliseconds2;
Class644.smethod_1(this.dxfModel_0.Header.UpdateDateTime, out days2, out milliseconds2);
nterface29.imethod_19(days2);
nterface29.imethod_19(milliseconds2);
int num3 = -1;
if (this.dxfModel_0.Header.HandleSeed <= (ulong)int.MaxValue)
{
num3 = (int)this.dxfModel_0.Header.HandleSeed;
}
nterface29.imethod_19(num3);
nterface29.imethod_19(0);
nterface29.imethod_18((short)0);
nterface29.imethod_18((short)((int)num2 - (int)num1));
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(this.dxfModel_0.NumberOfSaves);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
nterface29.imethod_19(0);
}
private void method_9()
{
Class889.Create((Stream)this.class504_1.Stream, this.dxfVersion_0, this.encoding_0);
Class885.smethod_0(new Class949(), (Stream)this.class504_1.Stream, this.encoding_0);
}
