/// <summary>
/// Opens the specified stream, s. Note that as a Portable class library
/// </summary>
/// <param name="s">The s.</param>
/// <param name="filename">The filename.</param>
/// <param name="solid">The solid.</param>
/// <returns>TessellatedSolid.</returns>
/// <exception cref="Exception">Cannot open file without extension (e.g. f00.stl).
/// or
/// This function has been recently removed.
/// or
/// Cannot determine format from extension (not .stl, .ply, .3ds, .lwo, .obj, .objx, or .off.</exception>
/// <exception cref="System.Exception">Cannot open file without extension (e.g. f00.stl).
/// or
/// This function has been recently removed.
/// or
/// Cannot determine format from extension (not .stl, .ply, .3ds, .lwo, .obj, .objx, or .off.</exception>
public static void Open(Stream s, string filename, out TessellatedSolid solid)
{
try
{
var extension = GetFileTypeFromExtension(Path.GetExtension(filename));
switch (extension)
{
case FileType.STL_ASCII:
case FileType.STL_Binary:
solid = STLFileData.OpenSolids(s, filename)[0]; // Standard Tessellation or StereoLithography
break;
case FileType.ThreeMF:
solid = ThreeMFFileData.OpenSolids(s, filename)[0];
break;
case FileType.Model3MF:
solid = ThreeMFFileData.OpenModelFile(s, filename)[0];
break;
case FileType.AMF:
solid = AMFFileData.OpenSolids(s, filename)[0];
break;
case FileType.OFF:
solid = OFFFileData.OpenSolid(s, filename);
// http://en.wikipedia.org/wiki/OFF_(file_format)
break;
case FileType.PLY_ASCII:
case FileType.PLY_Binary:
solid = PLYFileData.OpenSolid(s, filename);
break;
case FileType.SHELL:
solid = ShellFileData.OpenSolids(s, filename)[0];
break;
case FileType.STEP:
solid = STEPFileData.OpenSolids(s, filename)[0];
break;
default:
var serializer = new JsonSerializer();
var sr = new StreamReader(s);
using (var reader = new JsonTextReader(sr))
solid = serializer.Deserialize <TessellatedSolid>(reader);
break;
}
}
catch (Exception exc)
{
throw new Exception("Cannot open file. Message: " + exc.Message);
}
}
/// <summary>
/// Saves the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="solid">The solid.</param>
/// <param name="fileType">Type of the file.</param>
/// <returns>System.Boolean.</returns>
public static bool Save(Stream stream, Solid solid, FileType fileType = FileType.TVGL)
{
switch (fileType)
{
case FileType.STL_ASCII:
return(STLFileData.SaveASCII(stream, new[] { (TessellatedSolid)solid }));
case FileType.STL_Binary:
return(STLFileData.SaveBinary(stream, new[] { (TessellatedSolid)solid }));
case FileType.AMF:
return(AMFFileData.SaveSolids(stream, new[] { (TessellatedSolid)solid }));
case FileType.ThreeMF:
return(ThreeMFFileData.Save(stream, new[] { (TessellatedSolid)solid }));
case FileType.Model3MF:
return(ThreeMFFileData.SaveModel(stream, new[] { (TessellatedSolid)solid }));
case FileType.OFF:
return(OFFFileData.SaveSolid(stream, (TessellatedSolid)solid));
case FileType.PLY_ASCII:
return(PLYFileData.SaveSolidASCII(stream, (TessellatedSolid)solid));
case FileType.PLY_Binary:
return(PLYFileData.SaveSolidBinary(stream, (TessellatedSolid)solid));
case FileType.SHELL:
return(ShellFileData.Save(stream, (TessellatedSolid)solid));
default:
JsonSerializer serializer = new JsonSerializer
{
NullValueHandling = NullValueHandling.Ignore,
DefaultValueHandling = DefaultValueHandling.Ignore,
TypeNameHandling = TypeNameHandling.Auto,
ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
};
var sw = new StreamWriter(stream);
using (var writer = new JsonTextWriter(sw))
{
var jObject = JObject.FromObject(solid, serializer);
var solidType = solid.GetType();
jObject.AddFirst(new JProperty("TVGLSolidType", solid.GetType().FullName));
if (!Assembly.GetExecutingAssembly().Equals(solidType.Assembly))
{
jObject.AddFirst(new JProperty("InAssembly", solidType.Assembly.Location));
}
jObject.WriteTo(writer);
}
return(true);
}
}
/// <summary>
/// Tries the read binary.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="filename">The filename.</param>
/// <param name="stlData">The STL data.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
/// <exception cref="System.IO.EndOfStreamException">Incomplete file</exception>
/// <exception cref="EndOfStreamException">Incomplete file</exception>
internal static bool TryReadBinary(Stream stream, string filename, out List <STLFileData> stlData)
{
var length = stream.Length;
stlData = new List <STLFileData>();
var stlSolid1 = new STLFileData();
if (length < 84)
{
throw new EndOfStreamException("Incomplete file");
}
var decoder = new UTF8Encoding();
var reader = new BinaryReader(stream);
var comments = decoder.GetString(reader.ReadBytes(80), 0, 80).Trim(' ');
stlSolid1.Comments.Add(comments);
stlSolid1.Name = comments.Split(' ')[0];
stlSolid1.Units = InferUnitsFromComments(stlSolid1.Comments);
stlSolid1.FileName = filename;
if (string.IsNullOrWhiteSpace(stlSolid1.Name))
{
stlSolid1.Name = Path.GetFileNameWithoutExtension(filename);
}
do
{
var numFaces = ReadNumberAsInt(reader, typeof(uint), FormatEndiannessType.binary_little_endian);
if (length - 84 != numFaces * 50)
{
return(false);
}
for (var i = 0; i < numFaces; i++)
{
stlSolid1.ReadFacet(reader);
}
stlData.Add(stlSolid1);
var last = stlSolid1;
stlSolid1 = new STLFileData
{
Name = last.Name,
Units = last.Units,
FileName = last.FileName
};
stlSolid1.Comments.Add(comments);
} while (reader.BaseStream.Position < length);
return(true);
}
public static void Open(Stream s, string filename, out TessellatedSolid[] tessellatedSolids)
{
try
{
var extension = GetFileTypeFromExtension(Path.GetExtension(filename));
switch (extension)
{
case FileType.STL_ASCII:
case FileType.STL_Binary:
tessellatedSolids = STLFileData.OpenSolids(s, filename); // Standard Tessellation or StereoLithography
break;
case FileType.ThreeMF:
tessellatedSolids = ThreeMFFileData.OpenSolids(s, filename);
break;
case FileType.Model3MF:
tessellatedSolids = ThreeMFFileData.OpenModelFile(s, filename);
break;
case FileType.AMF:
tessellatedSolids = AMFFileData.OpenSolids(s, filename);
break;
case FileType.SHELL:
tessellatedSolids = ShellFileData.OpenSolids(s, filename);
break;
case FileType.OFF:
case FileType.PLY_ASCII:
case FileType.PLY_Binary:
throw new Exception("Attempting to open multiple solids with a " + extension.ToString() + " file.");
default:
var serializer = new JsonSerializer();
var sr = new StreamReader(s);
using (var reader = new JsonTextReader(sr))
// note this is a hack...<T> is overly specific
tessellatedSolids = serializer.Deserialize <TessellatedSolid[]>(reader);
break;
}
}
catch (Exception exc)
{
throw new Exception("Cannot open file. Message: " + exc.Message);
}
}
/// <summary>
/// Opens the specified stream, s. Note that as a Portable class library
/// </summary>
/// <param name="s">The s.</param>
/// <param name="filename">The filename.</param>
/// <param name="solid">The solid.</param>
/// <returns>TessellatedSolid.</returns>
/// <exception cref="Exception">Cannot open file without extension (e.g. f00.stl).
/// or
/// This function has been recently removed.
/// or
/// Cannot determine format from extension (not .stl, .ply, .3ds, .lwo, .obj, .objx, or .off.</exception>
/// <exception cref="System.Exception">Cannot open file without extension (e.g. f00.stl).
/// or
/// This function has been recently removed.
/// or
/// Cannot determine format from extension (not .stl, .ply, .3ds, .lwo, .obj, .objx, or .off.</exception>
public static void Open(Stream s, string filename, out TessellatedSolid solid)
{
var extension = GetExtensionFromFileName(filename);
switch (extension)
{
case "stl":
solid = STLFileData.OpenSolids(s, filename)[0]; // Standard Tessellation or StereoLithography
break;
case "3mf":
#if net40
throw new NotSupportedException("The loading or saving of .3mf files are not supported in the .NET4.0 version of TVGL.");
#else
solid = ThreeMFFileData.OpenSolids(s, filename)[0];
break;
#endif
case "model":
solid = ThreeMFFileData.OpenModelFile(s, filename)[0];
break;
case "amf":
solid = AMFFileData.OpenSolids(s, filename)[0];
break;
case "off":
solid = OFFFileData.OpenSolid(s, filename);
// http://en.wikipedia.org/wiki/OFF_(file_format)
break;
case "ply":
solid = PLYFileData.OpenSolid(s, filename);
break;
case "shell":
solid = ShellFileData.OpenSolids(s, filename)[0];
break;
case "xml":
solid = (TessellatedSolid)TVGLFileData.OpenSolids(s, filename)[0];
break;
default:
throw new Exception(
"Cannot determine format from extension (not .stl, .ply, .3ds, .lwo, .obj, .objx, or .off.");
}
}
/// <summary>
/// Reads the model in ASCII format from the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="filename">The filename.</param>
/// <param name="stlData">The STL data.</param>
/// <returns>True if the model was loaded successfully.</returns>
internal static bool TryReadAscii(Stream stream, string filename, out List <STLFileData> stlData)
{
var defaultName = Path.GetFileNameWithoutExtension(filename) + "_";
var solidNum = 0;
var reader = new StreamReader(stream);
stlData = new List <STLFileData>();
var stlSolid = new STLFileData {
FileName = filename, Units = UnitType.unspecified
};
var comments = new List <string>();
while (!reader.EndOfStream)
{
var line = ReadLine(reader);
comments.Add(line);
string id, values;
ParseLine(line, out id, out values);
switch (id)
{
case "#":
stlSolid.Comments.Add(values);
break;
case "solid":
if (string.IsNullOrWhiteSpace(values))
{
stlSolid.Name = defaultName + ++solidNum;
}
stlSolid.Name = values.Trim(' ');
break;
case "facet":
stlSolid.ReadFacet(reader, values);
break;
case "endsolid":
stlSolid.Units = InferUnitsFromComments(comments);
stlData.Add(stlSolid);
stlSolid = new STLFileData();
break;
}
}
return(true);
}
/// <summary>
/// Saves the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="solids">The solids.</param>
/// <param name="fileType">Type of the file.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public static bool Save(Stream stream, IList <Solid> solids, FileType fileType = FileType.TVGL)
{
if (solids.Count == 0)
{
return(false);
}
if (solids.Count == 1)
{
return(Save(stream, solids[0], fileType));
}
switch (fileType)
{
case FileType.STL_ASCII:
return(STLFileData.SaveASCII(stream, solids.Cast <TessellatedSolid>().ToArray()));
case FileType.STL_Binary:
return(STLFileData.SaveBinary(stream, solids.Cast <TessellatedSolid>().ToArray()));
case FileType.AMF:
return(AMFFileData.SaveSolids(stream, solids.Cast <TessellatedSolid>().ToArray()));
case FileType.ThreeMF:
return(ThreeMFFileData.Save(stream, solids.Cast <TessellatedSolid>().ToArray()));
case FileType.Model3MF:
return(ThreeMFFileData.SaveModel(stream, solids.Cast <TessellatedSolid>().ToArray()));
case FileType.OFF:
throw new NotSupportedException(
"The OFF format does not support saving multiple solids to a single file.");
case FileType.PLY_ASCII:
throw new NotSupportedException(
"The PLY format does not support saving multiple solids to a single file.");
case FileType.PLY_Binary:
throw new NotSupportedException(
"The PLY format does not support saving multiple solids to a single file.");
default:
solids.Select(solid => Save(stream, solid, fileType));
return(true);
}
}
/// <summary>
/// Saves the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="solid">The solid.</param>
/// <param name="fileType">Type of the file.</param>
/// <returns>System.Boolean.</returns>
public static bool Save(Stream stream, Solid solid, FileType fileType = FileType.TVGL)
{
if (solid is TessellatedSolid)
{
var ts = (TessellatedSolid)solid;
switch (fileType)
{
case FileType.STL_ASCII:
return(STLFileData.SaveASCII(stream, new[] { ts }));
case FileType.STL_Binary:
return(STLFileData.SaveBinary(stream, new[] { ts }));
case FileType.AMF:
return(AMFFileData.SaveSolids(stream, new[] { ts }));
case FileType.ThreeMF:
#if net40
throw new NotSupportedException("The loading or saving of .3mf files are not allowed in the .NET4.0 version of TVGL.");
#else
return(ThreeMFFileData.Save(stream, new[] { ts }));
#endif
case FileType.Model3MF:
return(ThreeMFFileData.SaveModel(stream, new[] { ts }));
case FileType.OFF:
return(OFFFileData.SaveSolid(stream, ts));
case FileType.PLY_ASCII:
return(PLYFileData.SaveSolidASCII(stream, ts));
case FileType.PLY_Binary:
return(PLYFileData.SaveSolidBinary(stream, ts));
default:
return(TVGLFileData.SaveSolid(stream, ts));
}
}
if (solid is VoxelizedSolid)
{
return(TVGLFileData.SaveSolid(stream, (VoxelizedSolid)solid));
}
return(false);
}
public static void Open(Stream s, string filename, out TessellatedSolid[] tessellatedSolids)
{
var extension = GetExtensionFromFileName(filename);
switch (extension)
{
case "stl":
tessellatedSolids = STLFileData.OpenSolids(s, filename); // Standard Tessellation or StereoLithography
break;
case "3mf":
#if net40
throw new NotSupportedException("The loading or saving of .3mf files are not supported in the .NET4.0 version of TVGL.");
#else
tessellatedSolids = ThreeMFFileData.OpenSolids(s, filename);
break;
#endif
case "model":
tessellatedSolids = ThreeMFFileData.OpenModelFile(s, filename);
break;
case "amf":
tessellatedSolids = AMFFileData.OpenSolids(s, filename);
break;
case "shell":
tessellatedSolids = ShellFileData.OpenSolids(s, filename);
break;
case "xml":
tessellatedSolids = TVGLFileData.OpenSolids(s, filename).Cast <TessellatedSolid>().ToArray();
break;
default:
throw new Exception(
"Cannot determine format from extension (not .stl, .ply, .3ds, .lwo, .obj, .objx, or .off.");
}
}
public static Solid Open(Stream s, string filename = "")
{
try
{
var extension = GetFileTypeFromExtension(Path.GetExtension(filename));
switch (extension)
{
case FileType.STL_ASCII:
case FileType.STL_Binary:
return(STLFileData.OpenSolids(s, filename)[0]); // Standard Tessellation or StereoLithography
case FileType.ThreeMF:
return(ThreeMFFileData.OpenSolids(s, filename)[0]);
case FileType.Model3MF:
return(ThreeMFFileData.OpenModelFile(s, filename)[0]);
case FileType.AMF:
return(AMFFileData.OpenSolids(s, filename)[0]);
case FileType.OFF:
return(OFFFileData.OpenSolid(s, filename));
case FileType.PLY_ASCII:
case FileType.PLY_Binary:
return(PLYFileData.OpenSolid(s, filename));
case FileType.SHELL:
return(ShellFileData.OpenSolids(s, filename)[0]);
break;
default:
var serializer = new JsonSerializer();
var sr = new StreamReader(s);
using (var reader = new JsonTextReader(sr))
{
JObject jObject = JObject.Load(reader);
var typeString = ((string)jObject["TVGLSolidType"]);
if (string.IsNullOrWhiteSpace(typeString))
{
return(null);
}
var type = Type.GetType(typeString);
if (type == null)
{
var assembly = Assembly.LoadFrom((string)jObject["InAssembly"]);
type = assembly.GetType(typeString);
}
if (type == null)
{
return(null);
}
return((Solid)JsonConvert.DeserializeObject(jObject.ToString(), type));
}
}
}
catch (Exception exc)
{
throw new Exception("Cannot open file. Message: " + exc.Message);
}
}
/// <summary>
/// Tries the read binary.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="stlData">The STL data.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
/// <exception cref="System.IO.EndOfStreamException">Incomplete file</exception>
internal static bool TryReadBinary(Stream stream, out List<STLFileData> stlData)
{
var length = stream.Length;
stlData = null;
var stlSolid1 = new STLFileData();
if (length < 84)
{
throw new EndOfStreamException("Incomplete file");
}
var decoder = new System.Text.UTF8Encoding();
var reader = new BinaryReader(stream);
stlSolid1.Name = decoder.GetString(reader.ReadBytes(80), 0, 80).Trim(' ');
stlSolid1.Name = stlSolid1.Name.Replace("solid", "").Trim(' ');
if (string.IsNullOrWhiteSpace(stlSolid1.Name))
stlSolid1.Name = getNameFromStream(stream);
var numberTriangles = ReadUInt32(reader);
if (length - 84 != numberTriangles * 50)
{
return false;
}
//this.Meshes.Add(new MeshBuilder(true, true));
//this.Materials.Add(this.DefaultMaterial);
for (var i = 0; i < numberTriangles; i++)
{
stlSolid1.ReadTriangle(reader);
}
stlData = new List<STLFileData>(new[] { stlSolid1 });
return true;
}
/// <summary>
/// Reads the model in ASCII format from the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="stlData">The STL data.</param>
/// <returns>True if the model was loaded successfully.</returns>
internal static bool TryReadAscii(Stream stream, out List<STLFileData> stlData)
{
var defaultName = getNameFromStream(stream)+"_";
var solidNum = 0;
var reader = new StreamReader(stream);
stlData = new List<STLFileData>();
var stlSolid = new STLFileData();
while (!reader.EndOfStream)
{
var line = ReadLine(reader);
string id, values;
ParseLine(line, out id, out values);
switch (id)
{
case "solid":
if (string.IsNullOrWhiteSpace(values))
stlSolid.Name = defaultName + (++solidNum);
stlSolid.Name = values.Trim(' ');
break;
case "facet":
stlSolid.ReadFacet(reader, values);
break;
case "endsolid":
stlData.Add(stlSolid);
stlSolid=new STLFileData();
break;
}
}
return true;
}
/// <summary>
/// Saves the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="solids">The solids.</param>
/// <param name="fileType">Type of the file.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public static bool Save(Stream stream, IList <Solid> solids, FileType fileType = FileType.TVGL)
{
if (solids.Count == 0)
{
return(false);
}
if (solids.All(s => s is TessellatedSolid))
{
var tessellatedSolids = solids.Cast <TessellatedSolid>().ToArray();
switch (fileType)
{
case FileType.STL_ASCII:
return(STLFileData.SaveASCII(stream, tessellatedSolids));
case FileType.STL_Binary:
return(STLFileData.SaveBinary(stream, tessellatedSolids));
case FileType.AMF:
return(AMFFileData.SaveSolids(stream, tessellatedSolids));
case FileType.ThreeMF:
#if net40
throw new NotSupportedException("The loading or saving of .3mf files are not allowed in the .NET4.0 version of TVGL.");
#else
return(ThreeMFFileData.Save(stream, tessellatedSolids));
#endif
case FileType.Model3MF:
return(ThreeMFFileData.SaveModel(stream, tessellatedSolids));
case FileType.OFF:
if (solids.Count > 1)
{
throw new NotSupportedException(
"The OFF format does not support saving multiple solids to a single file.");
}
else
{
return(OFFFileData.SaveSolid(stream, tessellatedSolids[0]));
}
case FileType.PLY_ASCII:
if (solids.Count > 1)
{
throw new NotSupportedException(
"The PLY format does not support saving multiple solids to a single file.");
}
else
{
return(PLYFileData.SaveSolidASCII(stream, tessellatedSolids[0]));
}
case FileType.PLY_Binary:
if (solids.Count > 1)
{
throw new NotSupportedException(
"The PLY format does not support saving multiple solids to a single file.");
}
else
{
return(PLYFileData.SaveSolidBinary(stream, tessellatedSolids[0]));
}
default:
if (solids.Count > 1)
{
return(TVGLFileData.SaveSolids(stream, tessellatedSolids));
}
else
{
return(TVGLFileData.SaveSolid(stream, tessellatedSolids[0]));
}
}
}
if (solids.All(s => s is VoxelizedSolid))
{
var tessellatedSolids = solids.Cast <VoxelizedSolid>().ToArray();
if (solids.Count > 1)
{
return(TVGLFileData.SaveSolids(stream, solids.Cast <VoxelizedSolid>().ToArray()));
}
else
{
return(TVGLFileData.SaveSolid(stream, (VoxelizedSolid)solids[0]));
}
}
return(false);
}
