public ActionResult Image(string imageFile, int? width, int? height, int? id)
{
var memoryStream = new MemoryStream();
var image = new Bitmap(ObjectsRepository.CatalogFolder + imageFile.Replace("___", "/"));
if (width != null && height != null)
{
image = image.Clip10X15();
image = image.ResizeImage(width.Value, height.Value);
}
if (id != null)
{
image = image.AddBluredRect(30);
var htmlText = ObjectsRepository.GetObjectDescription(id.Value);
if (!string.IsNullOrEmpty(htmlText))
{
image = image.AddText(30, 0, htmlText);
}
//var backImage = new Bitmap(Server.MapPath("~\\Content\\images\\keyend.png"));
//image = image.AddBackBitmap(backImage);
}
image.Save(memoryStream, ImageFormat.Jpeg);
memoryStream.Seek(0, SeekOrigin.Begin);
return File(memoryStream, "image/jpeg");
}
private void StreamVideo(ImageCodecInfo codecInfo, EncoderParameters encoderParams)
{
MemoryStream m = new MemoryStream(20000);
Bitmap image = null;
IntPtr ip = IntPtr.Zero;
Font fontOverlay = new Font("Times New Roman", 14, System.Drawing.FontStyle.Bold,
System.Drawing.GraphicsUnit.Point);
DateTime lastMotion = DateTime.Now;
int interval = 5;
_isRecording = false;
_player = new SoundPlayer();
_player.LoadCompleted += new System.ComponentModel.AsyncCompletedEventHandler((obj, arg) => _player.PlayLooping());
Task.Factory.StartNew(() =>
{
_device.Start();
while (_requested)
{
try
{
// capture image
ip = _device.GetBitMap();
image = new Bitmap(_device.Width, _device.Height, _device.Stride, System.Drawing.Imaging.PixelFormat.Format24bppRgb, ip);
image.RotateFlip(RotateFlipType.RotateNoneFlipY);
_currentSensor.ProcessFrame(ref image);
if (_currentSensor.IsAlarming)
{
if (!_isRecording && (DateTime.Now.Second % interval == 0))
_messenger.SendMessage("record");
lastMotion = DateTime.Now;
}
else
{
if (DateTime.Now.Subtract(lastMotion).Seconds > interval)
{
if (_isRecording)
{
_messenger.SendMessage("stop-record");
_isRecording = false;
}
if (_isAlarming)
{
_player.Stop();
_isAlarming = false;
}
}
}
// add text that displays date time to the image
image.AddText(fontOverlay, 10, 10, DateTime.Now.ToString());
// save it to jpeg using quality options
image.Save(m, codecInfo, encoderParams);
// send the jpeg image if server requests it
if (_messenger != null)
_messenger.SendMessage(m.GetBuffer(), MessageType.Image);
}
catch (SocketException)
{
_messenger.Dispose();
_messenger = null;
_requested = false;
}
catch { }
finally
{
// clean up
m.SetLength(0);
if (image != null)
image.Dispose();
if (ip != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ip);
ip = IntPtr.Zero;
}
}
}
_device.Pause();
_player.Stop();
_player.Dispose();
fontOverlay.Dispose();
disposeReady.Set();
});
}
// Start serving up frames
private void StartWebcam(Webcam cam, ConnectionManager conManager, StreamWriter sw, ImageCodecInfo myImageCodecInfo, EncoderParameters myEncoderParameters)
{
MemoryStream m = new MemoryStream(20000);
Bitmap image = null;
IntPtr ip = IntPtr.Zero;
Font fontOverlay = new Font("Times New Roman", 14, System.Drawing.FontStyle.Bold,
System.Drawing.GraphicsUnit.Point);
MotionDetector motionDetector = new MotionDetector();
DateTime lastMotion = DateTime.Now;
int interval = 5;
stopCondition = false;
isRecording = false;
player = new System.Media.SoundPlayer();
motionDetector.MotionLevelCalculation = true;
player.LoadCompleted += new System.ComponentModel.AsyncCompletedEventHandler((obj, arg) => player.PlayLooping());
cam.Start();
while (!stopCondition)
{
try
{
// capture image
ip = cam.GetBitMap();
image = new Bitmap(cam.Width, cam.Height, cam.Stride, System.Drawing.Imaging.PixelFormat.Format24bppRgb, ip);
image.RotateFlip(RotateFlipType.RotateNoneFlipY);
motionDetector.ProcessFrame(ref image);
if (motionDetector.MotionLevel >= alarmLevel)
{
if (!isRecording && (DateTime.Now.Second % interval == 0))
conManager.SendMessage("record");
lastMotion = DateTime.Now;
}
else
{
if (DateTime.Now.Subtract(lastMotion).Seconds > interval)
{
if (isRecording)
{
conManager.SendMessage("stop-record");
isRecording = false;
}
if (isAlarming)
{
player.Stop();
isAlarming = false;
}
}
}
// add text that displays date time to the image
image.AddText(fontOverlay, 10, 10, DateTime.Now.ToString());
// save it to jpeg using quality options
image.Save(m, myImageCodecInfo, myEncoderParameters);
// send the jpeg image if server requests it
if (requested)
conManager.SendImage(m);
}
catch (Exception ex)
{
try
{
sw.WriteLine(DateTime.Now.ToString());
sw.WriteLine(ex);
}
catch { }
}
finally
{
// Empty the stream
m.SetLength(0);
// remove the image from memory
if (image != null)
{
image.Dispose();
image = null;
}
if (ip != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ip);
ip = IntPtr.Zero;
}
}
}
cam.Pause();
player.Stop();
fontOverlay.Dispose();
}