/// <summary>
/// Create a JSON string representation of this object
/// </summary>
/// <param name="options"></param>
/// <returns></returns>
/// <since>7.0</since>
public string ToJSON(Pixel.Rhino.FileIO.SerializationOptions options)
{
string json = null;
uint length = 0;
bool writeuserdata = true;
if (options != null)
{
writeuserdata = options.WriteUserData;
}
#if RHINO_SDK
int rhino_version = (options != null) ? options.RhinoVersion : RhinoApp.ExeVersion;
#else
int rhino_version = (options != null) ? options.RhinoVersion : 7;
#endif
// 28 Aug 2014 S. Baer (RH-28446)
// We switched to 50,60,70,... type numbers after Rhino 4
if (rhino_version > 4 && rhino_version < 50)
{
rhino_version *= 10;
}
// NOTE:
// ON_WriteBufferArchive_NewWriter may change value of rhino_version
// if it is too big or the object type requires a different archive version.
IntPtr pConstOnObject = ConstPointer();
IntPtr pWriteBuffer = UnsafeNativeMethods.ON_WriteBufferArchive_NewWriter(pConstOnObject, ref rhino_version, writeuserdata, ref length);
if (length < int.MaxValue && length > 0 && pWriteBuffer != IntPtr.Zero)
{
int sz = (int)length;
IntPtr pByteArray = UnsafeNativeMethods.ON_WriteBufferArchive_Buffer(pWriteBuffer);
byte[] bytearray = new byte[sz];
System.Runtime.InteropServices.Marshal.Copy(pByteArray, bytearray, 0, sz);
uint archive_opennurbs_version = UnsafeNativeMethods.ON_WriteBufferArchive_OpenNURBSVersion(pWriteBuffer);
string data = Convert.ToBase64String(bytearray);
System.Text.StringBuilder sb = new System.Text.StringBuilder(data.Length + 100);
sb.Append($"{{\"version\":10000,\"{ARCHIVE_3DM_VERSION}\":{rhino_version},\"{ARCHIVE_OPENNURBS_VERSION}\":{(int)archive_opennurbs_version},\"data\":\"");
sb.Append(data);
sb.Append("\"}");
json = sb.ToString();
}
UnsafeNativeMethods.ON_WriteBufferArchive_Delete(pWriteBuffer);
return(json);
}
internal static void SerializeWriteON_Object(IntPtr pConstOnObject, SerializationInfo info, StreamingContext context)
{
Pixel.Rhino.FileIO.SerializationOptions options = context.Context as Pixel.Rhino.FileIO.SerializationOptions;
uint length = 0;
bool writeuserdata = true;
if (options != null)
{
writeuserdata = options.WriteUserData;
}
#if RHINO_SDK
int rhino_version = (options != null) ? options.RhinoVersion : RhinoApp.ExeVersion;
#else
int rhino_version = (options != null) ? options.RhinoVersion : 7;
#endif
// 28 Aug 2014 S. Baer (RH-28446)
// We switched to 50,60,70,... type numbers after Rhino 4
if (rhino_version > 4 && rhino_version < 50)
{
rhino_version *= 10;
}
// NOTE:
// ON_WriteBufferArchive_NewWriter may change value of rhino_version
// if it is too big or the object type requires a different archive version.
IntPtr pWriteBuffer = UnsafeNativeMethods.ON_WriteBufferArchive_NewWriter(pConstOnObject, ref rhino_version, writeuserdata, ref length);
if (length < int.MaxValue && length > 0 && pWriteBuffer != IntPtr.Zero)
{
int sz = (int)length;
IntPtr pByteArray = UnsafeNativeMethods.ON_WriteBufferArchive_Buffer(pWriteBuffer);
byte[] bytearray = new byte[sz];
System.Runtime.InteropServices.Marshal.Copy(pByteArray, bytearray, 0, sz);
info.AddValue("version", 10000);
info.AddValue(ARCHIVE_3DM_VERSION, rhino_version);
uint archive_opennurbs_version = UnsafeNativeMethods.ON_WriteBufferArchive_OpenNURBSVersion(pWriteBuffer);
info.AddValue(ARCHIVE_OPENNURBS_VERSION, (int)archive_opennurbs_version);
info.AddValue("data", bytearray);
}
UnsafeNativeMethods.ON_WriteBufferArchive_Delete(pWriteBuffer);
}
