/// <summary>
/// Tries the read binary.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="offData">The off data.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
/// <exception cref="NotImplementedException"></exception>
/// <exception cref="System.NotImplementedException"></exception>
/// <exception cref="System.IO.EndOfStreamException">Incomplete file</exception>
private static bool TryReadBinary(Stream stream, out OFFFileData offData)
{
offData = null;
return(false);
throw new NotImplementedException();
}
/// <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>
/// 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>
/// 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);
}
/// <summary>
/// Tries the read binary.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="offData">The off data.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
/// <exception cref="System.NotImplementedException"></exception>
/// <exception cref="System.IO.EndOfStreamException">Incomplete file</exception>
internal static bool TryReadBinary(Stream stream, out OFFFileData offData)
{
offData = null;
return false;
throw new NotImplementedException();
}
internal static bool TryReadAscii(Stream stream, out OFFFileData offData)
{
var reader = new StreamReader(stream);
offData = new OFFFileData();
var line = ReadLine(reader);
if (!line.Contains("off") && !line.Contains("OFF"))
return false;
offData.ContainsNormals = line.Contains("N");
offData.ContainsColors = line.Contains("C");
offData.ContainsTextureCoordinates = line.Contains("ST");
offData.ContainsHomogeneousCoordinates = line.Contains("4");
double[] point;
if (TryParseDoubleArray(ReadLine(reader), out point))
{
offData.NumVertices = (int) Math.Round(point[0], 0);
offData.NumFaces = (int) Math.Round(point[1], 0);
offData.NumEdges = (int) Math.Round(point[2], 0);
}
else return false;
for (var i = 0; i < offData.NumVertices; i++)
{
line = ReadLine(reader);
if (TryParseDoubleArray(line, out point))
{
if (offData.ContainsHomogeneousCoordinates
&& !StarMath.IsNegligible(point[3]))
offData.Vertices.Add(new[]
{
point[0]/point[3],
point[1]/point[3],
point[2]/point[3]
});
else offData.Vertices.Add(point);
}
else return false;
}
for (var i = 0; i < offData.NumFaces; i++)
{
line = ReadLine(reader);
double[] numbers;
if (!TryParseDoubleArray(line, out numbers)) return false;
var numVerts = (int) Math.Round(numbers[0], 0);
var vertIndices = new List<int>();
for (var j = 0; j < numVerts; j++)
vertIndices.Add((int) Math.Round(numbers[1 + j], 0));
offData.FaceToVertexIndices.Add(vertIndices);
if (numbers.GetLength(0) == 1 + numVerts + 3)
{
var r = (float) numbers[1 + numVerts];
var g = (float) numbers[2 + numVerts];
var b = (float) numbers[3 + numVerts];
var currentColor = new Color(1f, r, g, b);
offData.HasColorSpecified = true;
if (!offData._lastColor.Equals(currentColor))
offData._lastColor = currentColor;
}
offData.Colors.Add(offData._lastColor);
}
offData.Name = getNameFromStream(stream);
return true;
}
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 ASCII.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="offData">The off data.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
private static bool TryReadAscii(Stream stream, out OFFFileData offData)
{
var reader = new StreamReader(stream);
offData = new OFFFileData();
var line = ReadLine(reader);
if (!line.Contains("off") && !line.Contains("OFF"))
{
return(false);
}
offData.ContainsNormals = line.Contains("N");
offData.ContainsColors = line.Contains("C");
offData.ContainsTextureCoordinates = line.Contains("ST");
offData.ContainsHomogeneousCoordinates = line.Contains("4");
double[] point;
line = ReadLine(reader);
while (line.StartsWith("#"))
{
line.Remove(0, 1);
if (!string.IsNullOrWhiteSpace(line))
{
offData.Comments.Add(line.Substring(1));
}
line = ReadLine(reader);
}
if (TryParseDoubleArray(line, out point))
{
offData.NumVertices = (int)Math.Round(point[0], 0);
offData.NumFaces = (int)Math.Round(point[1], 0);
offData.NumEdges = (int)Math.Round(point[2], 0);
}
else
{
return(false);
}
for (var i = 0; i < offData.NumVertices; i++)
{
line = ReadLine(reader);
while (line.StartsWith("#"))
{
line.Remove(0, 1);
if (!string.IsNullOrWhiteSpace(line))
{
offData.Comments.Add(line.Substring(1));
}
line = ReadLine(reader);
}
if (TryParseDoubleArray(line, out point))
{
if (offData.ContainsHomogeneousCoordinates &&
!point[3].IsNegligible())
{
offData.Vertices.Add(new[]
{
point[0] / point[3],
point[1] / point[3],
point[2] / point[3]
});
}
else
{
offData.Vertices.Add(point);
}
}
else
{
return(false);
}
}
for (var i = 0; i < offData.NumFaces; i++)
{
line = ReadLine(reader);
while (line.StartsWith("#"))
{
line.Remove(0, 1);
if (!string.IsNullOrWhiteSpace(line))
{
offData.Comments.Add(line.Substring(1));
}
line = ReadLine(reader);
}
double[] numbers;
if (!TryParseDoubleArray(line, out numbers))
{
return(false);
}
var numVerts = (int)Math.Round(numbers[0], 0);
var vertIndices = new int[numVerts];
for (var j = 0; j < numVerts; j++)
{
vertIndices[j] = (int)Math.Round(numbers[1 + j], 0);
}
offData.FaceToVertexIndices.Add(vertIndices);
if (numbers.GetLength(0) == 1 + numVerts + 3)
{
var r = (float)numbers[1 + numVerts];
var g = (float)numbers[2 + numVerts];
var b = (float)numbers[3 + numVerts];
var currentColor = new Color(1f, r, g, b);
offData.HasColorSpecified = true;
if (offData._lastColor == null || !offData._lastColor.Equals(currentColor))
{
offData._lastColor = currentColor;
}
}
offData.Colors.Add(offData._lastColor);
}
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);
}
