public void Print(Stream fs)
{
PrintStarted?.Invoke(this, new PrintEventArgs("printing started"));
PrintInternal(fs);
PrintCompleted?.Invoke(this, new PrintEventArgs("printing completed"));
}
/// <summary>
/// Notify the firmware that a print has started
/// </summary>
/// <param name="to">Destination</param>
/// <param name="info">Information about the file being printed</param>
/// <returns>Number of bytes written</returns>
/// <exception cref="ArgumentException">One of the supplied values is too big</exception>
public static int WritePrintStarted(Span <byte> to, ParsedFileInfo info)
{
Span <byte> unicodeFilename = Encoding.UTF8.GetBytes(info.FileName);
if (unicodeFilename.Length > 254)
{
throw new ArgumentException("Value is too long", nameof(info.FileName));
}
Span <byte> unicodeGeneratedBy = Encoding.UTF8.GetBytes(info.GeneratedBy);
if (unicodeGeneratedBy.Length > 254)
{
throw new ArgumentException("Value is too long", nameof(info.GeneratedBy));
}
// Write header
PrintStarted header = new PrintStarted
{
FilenameLength = (byte)unicodeFilename.Length,
GeneratedByLength = (byte)unicodeGeneratedBy.Length,
NumFilaments = (ushort)info.Filament.Count,
FileSize = (uint)info.Size,
LastModifiedTime = info.LastModified.HasValue ? (ulong)(info.LastModified.Value - new DateTime(1970, 1, 1)).TotalSeconds : 0,
FirstLayerHeight = info.FirstLayerHeight,
LayerHeight = info.LayerHeight,
ObjectHeight = info.Height,
PrintTime = (uint)info.PrintTime,
SimulatedTime = (uint)info.SimulatedTime
};
MemoryMarshal.Write(to, ref header);
int bytesWritten = Marshal.SizeOf(header);
// Write filaments
foreach (double filament in info.Filament)
{
float filamentUsage = (float)filament;
MemoryMarshal.Write(to.Slice(bytesWritten), ref filamentUsage);
bytesWritten += Marshal.SizeOf(filamentUsage);
}
// Write filename
unicodeFilename.CopyTo(to.Slice(bytesWritten));
bytesWritten += unicodeFilename.Length;
// Write slicer
unicodeGeneratedBy.CopyTo(to.Slice(bytesWritten));
bytesWritten += unicodeGeneratedBy.Length;
return(AddPadding(to, bytesWritten));
}
protected virtual void OnPrintStarted(EventArgs e)
{
PrintStarted?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Prints something on the stream.
/// </summary>
/// <param name="stream">Certain stream.</param>
public virtual void Print(Stream stream)
{
PrintStarted?.Invoke(this, new PrintStartedEventArgs("Print started."));
Printing(stream);
PrintFinished?.Invoke(this, new PrintFinishedEventArgs("Print finished"));
}
private void OnPrintStarted()
{
Thread.Sleep(1000);
PrintStarted?.Invoke(this, EventArgs.Empty);
}