private static void HttpGetImg(HttpServerResponse resp, HttpServerRequest req, bool Protected)
{
networkLed.High();
try
{
if (Protected)
{
string SessionId = req.Header.GetCookie("SessionId");
if (!CheckSession(SessionId))
{
throw new HttpException(HttpStatusCode.ClientError_Forbidden);
}
}
LinkSpriteJpegColorCamera.ImageSize Resolution;
string Encoding;
byte Compression;
ushort Size;
byte[] Data;
GetImageProperties(req, out Encoding, out Compression, out Resolution);
lock (cameraLed)
{
try
{
cameraLed.High();
if (Resolution != currentResolution)
{
try
{
camera.SetImageSize(Resolution);
currentResolution = Resolution;
camera.Reset();
} catch (Exception)
{
camera.Dispose();
camera = new LinkSpriteJpegColorCamera(LinkSpriteJpegColorCamera.BaudRate.Baud__38400);
camera.SetBaudRate(LinkSpriteJpegColorCamera.BaudRate.Baud_115200);
camera.Dispose();
camera = new LinkSpriteJpegColorCamera(LinkSpriteJpegColorCamera.BaudRate.Baud_115200);
}
}
if (Compression != currentCompressionRatio)
{
camera.SetCompressionRatio(Compression);
currentCompressionRatio = Compression;
}
camera.TakePicture();
Size = camera.GetJpegFileSize();
Data = camera.ReadJpegData(Size);
errorLed.Low();
} catch (Exception ex)
{
errorLed.High();
Log.Exception(ex);
throw new HttpException(HttpStatusCode.ServerError_ServiceUnavailable);
} finally
{
cameraLed.Low();
camera.StopTakingPictures();
}
}
resp.ContentType = Encoding;
resp.Expires = DateTime.Now;
resp.ReturnCode = HttpStatusCode.Successful_OK;
if (Encoding != "imgage/jpeg")
{
MemoryStream ms = new MemoryStream(Data);
Bitmap Bmp = new Bitmap(ms);
Data = MimeUtilities.EncodeSpecificType(Bmp, Encoding);
}
resp.WriteBinary(Data);
} finally
{
networkLed.Low();
}
}
