SaveStream(string filename, double quality, DispatcherQueue queue)
: base(queue)
{
Uri baseUri = new Uri(LayoutPaths.RootDir);
Uri relativeUri = new Uri(baseUri, filename);
string path = relativeUri.LocalPath;
_writer = new BinaryWriter(new FileStream(path, FileMode.Append, FileAccess.Write));
_memory = new MemoryStream();
_port = new SaveStreamPort();
foreach (ImageCodecInfo info in ImageCodecInfo.GetImageEncoders())
{
if (info.FormatID == ImageFormat.Jpeg.Guid)
{
_codec = info;
_eps = new EncoderParameters();
_eps.Param[0] = new EncoderParameter(
System.Drawing.Imaging.Encoder.Quality,
(long)(quality * 100)
);
break;
}
}
ActivateHandler();
}
void ShutdownInternalService()
{
if (_queue != null)
{
if (_streamPort != null)
{
_streamPort.Post(new Shutdown());
_streamPort = null;
}
ResourceManagerPort.Post(new FreeExecutionResource(_queue));
_queue = null;
}
}
IEnumerator <ITask> ReplaceHandler(Replace replace)
{
_state = replace.Body;
replace.ResponsePort.Post(DefaultReplaceResponseType.Instance);
SendNotification(_submgrPort, replace);
if (_streamPort != null)
{
_streamPort.Post(new Shutdown());
_streamPort = null;
}
if (!string.IsNullOrEmpty(_state.CaptureFile))
{
_streamPort = SaveStream.Create(_state.CaptureFile, _state.Quality, _queue);
}
yield break;
}
public void ReplaceHandler(Replace replace)
{
_state = replace.Body;
replace.ResponsePort.Post(DefaultReplaceResponseType.Instance);
#if !URT_MINCLR
SendNotification(_submgrPort, replace);
if (_streamPort != null)
{
_streamPort.Post(new Shutdown());
_streamPort = null;
}
if (!string.IsNullOrEmpty(_state.CaptureFile))
{
_streamPort = SaveStream.Create(_state.CaptureFile, _state.Quality, _queue);
}
#else
SendNotification(replace);
#endif
}
