/* Constructor with creation of basic objects. */
public ImageProvider()
{
/* Create a thread for image grabbing. */
m_grabThread = new Thread(Grab);
/* Create objects used for buffer handling. */
m_lockObject = new Object();
m_buffers = new Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> >();
m_grabbedBuffers = new List <GrabResult>();
/* Create handles. */
m_hGrabber = new PYLON_STREAMGRABBER_HANDLE();
m_hDevice = new PYLON_DEVICE_HANDLE();
m_hRemovalCallback = new PYLON_DEVICECALLBACK_HANDLE();
m_hConverter = new PYLON_IMAGE_FORMAT_CONVERTER_HANDLE();
/* Create callback handler and attach the method. */
m_callbackHandler = new DeviceCallbackHandler();
m_callbackHandler.CallbackEvent += new DeviceCallbackHandler.DeviceCallback(RemovalCallbackHandler);
}
protected bool m_triggered = true; /* Indicates that we wish to trigger single shots */
#endregion Fields
#region Constructors
/* Constructor with creation of basic objects. */
public ImageProvider()
{
/* Create a thread for image grabbing. */
m_grabThread = new Thread(Grab);
/* Create objects used for buffer handling. */
m_lockObject = new Object();
m_buffers = new Dictionary<PYLON_STREAMBUFFER_HANDLE, PylonBuffer<Byte>>();
m_grabbedBuffers = new List<GrabResult>();
/* Create handles. */
m_hGrabber = new PYLON_STREAMGRABBER_HANDLE();
m_hDevice = new PYLON_DEVICE_HANDLE();
m_hRemovalCallback = new PYLON_DEVICECALLBACK_HANDLE();
m_hConverter = new PYLON_FORMAT_CONVERTER_HANDLE();
/* Create callback handler and attach the method. */
m_callbackHandler = new DeviceCallbackHandler();
m_callbackHandler.CallbackEvent += new DeviceCallbackHandler.DeviceCallback(RemovalCallbackHandler);
}
/* Open using device.*/
public void Open(PYLON_DEVICE_HANDLE device)
{
try
{
/* Use provided device. */
m_hDevice = device;
/* Before using the device, it must be opened. Open it for configuring
* parameters and for grabbing images. */
Pylon.DeviceOpen(m_hDevice, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Register the callback function. */
m_hRemovalCallback = Pylon.DeviceRegisterRemovalCallback(m_hDevice, m_callbackHandler);
/* For GigE cameras, we recommend increasing the packet size for better
* performance. When the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
if (Pylon.DeviceFeatureIsWritable(m_hDevice, "GevSCPSPacketSize"))
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(m_hDevice, "GevSCPSPacketSize", 1500);
}
/* The sample does not work in chunk mode. It must be disabled. */
if (Pylon.DeviceFeatureIsWritable(m_hDevice, "ChunkModeActive"))
{
/* Disable the chunk mode. */
Pylon.DeviceSetBooleanFeature(m_hDevice, "ChunkModeActive", false);
}
/* Disable acquisition start trigger if available. */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_AcquisitionStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_FrameBurstStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Disable frame start trigger if available. */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_FrameStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Image grabbing is done using a stream grabber.
* A device may be able to provide different streams. A separate stream grabber must
* be used for each stream. In this sample, we create a stream grabber for the default
* stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
if (Pylon.DeviceGetNumStreamGrabberChannels(m_hDevice) < 1)
{
throw new Exception("The transport layer doesn't support image streams.");
}
/* Create and open a stream grabber for the first channel. */
m_hGrabber = Pylon.DeviceGetStreamGrabber(m_hDevice, 0);
Pylon.StreamGrabberOpen(m_hGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
* allows waiting for m_buffers to be filled with grabbed data. */
m_hWait = Pylon.StreamGrabberGetWaitObject(m_hGrabber);
}
catch
{
/* Get the last error message here, because it could be overwritten by cleaning up. */
UpdateLastError();
try
{
Close(); /* Try to close any open handles. */
}
catch
{
/* Another exception cannot be handled. */
}
throw;
}
/* Notify that the ImageProvider is open and ready for grabbing and configuration. */
OnDeviceOpenedEvent();
}
/* Open using device.*/
protected void Open(PYLON_DEVICE_HANDLE device)
{
try
{
/* Use provided device. */
m_hDevice = device;
/* Before using the device, it must be opened. Open it for configuring
parameters and for grabbing images. */
Pylon.DeviceOpen(m_hDevice, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Register the callback function. */
m_hRemovalCallback = Pylon.DeviceRegisterRemovalCallback(m_hDevice, m_callbackHandler);
/* For GigE cameras, we recommend increasing the packet size for better
performance. When the network adapter supports jumbo frames, set the packet
size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
if (Pylon.DeviceFeatureIsWritable(m_hDevice, "GevSCPSPacketSize"))
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(m_hDevice, "GevSCPSPacketSize", 1500);
}
/* The sample does not work in chunk mode. It must be disabled. */
if (Pylon.DeviceFeatureIsWritable(m_hDevice, "ChunkModeActive"))
{
/* Disable the chunk mode. */
Pylon.DeviceSetBooleanFeature(m_hDevice, "ChunkModeActive", false);
}
/* Disable acquisition start trigger if available. */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_AcquisitionStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Disable frame start trigger if available. */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_FrameStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Image grabbing is done using a stream grabber.
A device may be able to provide different streams. A separate stream grabber must
be used for each stream. In this sample, we create a stream grabber for the default
stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
if (Pylon.DeviceGetNumStreamGrabberChannels(m_hDevice) < 1)
{
throw new Exception("The transport layer doesn't support image streams.");
}
/* Create and open a stream grabber for the first channel. */
m_hGrabber = Pylon.DeviceGetStreamGrabber(m_hDevice, 0);
Pylon.StreamGrabberOpen(m_hGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
allows waiting for m_buffers to be filled with grabbed data. */
m_hWait = Pylon.StreamGrabberGetWaitObject(m_hGrabber);
}
catch
{
/* Get the last error message here, because it could be overwritten by cleaning up. */
UpdateLastError();
try
{
Close(); /* Try to close any open handles. */
}
catch
{
/* Another exception cannot be handled. */
}
throw;
}
/* Notify that the ImageProvider is open and ready for grabbing and configuration. */
OnDeviceOpenedEvent();
}
