private void SetBayerComboVisibility()
{
EPylonPixelType pixelType = Pylon.PixelTypeFromString(selectedStreamFormat.Symbol);
bool isBayer8 = PylonHelper.IsBayer8(pixelType);
cmbBayer8Conversion.Enabled = isBayer8;
lblBayerConversion.Enabled = isBayer8;
}
private void cmbBayerConversion_SelectedIndexChanged(object sender, EventArgs e)
{
EPylonPixelType pixelType = Pylon.PixelTypeFromString(selectedStreamFormat.Symbol);
bool isBayer8 = PylonHelper.IsBayer8(pixelType);
Bayer8Conversion selected = (Bayer8Conversion)cmbBayer8Conversion.SelectedIndex;
if (selected == bayer8Conversion)
{
return;
}
bayer8Conversion = (Bayer8Conversion)cmbBayer8Conversion.SelectedIndex;
specificChanged = true;
}
/// <summary>
/// Configure device and report frame format that will be used during streaming.
/// This method must return a proper ImageDescriptor so we can pre-allocate buffers.
/// </summary>
public ImageDescriptor Prepare()
{
Open();
if (deviceHandle == null || !deviceHandle.IsValid)
{
return(ImageDescriptor.Invalid);
}
firstOpen = false;
// Get the configured framerate for recording support.
resultingFramerate = PylonHelper.GetResultingFramerate(deviceHandle);
SpecificInfo specific = summary.Specific as SpecificInfo;
string streamFormatSymbol = specific.StreamFormat;
bool hasWidth = Pylon.DeviceFeatureIsReadable(deviceHandle, "Width");
bool hasHeight = Pylon.DeviceFeatureIsReadable(deviceHandle, "Height");
bool hasPixelFormat = Pylon.DeviceFeatureIsReadable(deviceHandle, "PixelFormat");
bool canComputeImageDescriptor = hasWidth && hasHeight && hasPixelFormat;
if (!canComputeImageDescriptor)
{
return(ImageDescriptor.Invalid);
}
int width = (int)Pylon.DeviceGetIntegerFeature(deviceHandle, "Width");
int height = (int)Pylon.DeviceGetIntegerFeature(deviceHandle, "Height");
string pixelFormat = Pylon.DeviceFeatureToString(deviceHandle, "PixelFormat");
EPylonPixelType pixelType = Pylon.PixelTypeFromString(pixelFormat);
if (pixelType == EPylonPixelType.PixelType_Undefined)
{
return(ImageDescriptor.Invalid);
}
// Note: the image provider will perform the Bayer conversion itself and only output two formats.
// - Y800 for anything monochrome.
// - RGB32 for anything color.
imageProvider.SetDebayering(specific.Bayer8Conversion);
bool isBayer = Pylon.IsBayer(pixelType);
bool isBayer8 = PylonHelper.IsBayer8(pixelType);
bool bayerColor = (isBayer && !isBayer8) || (isBayer8 && specific.Bayer8Conversion == Bayer8Conversion.Color);
bool color = !Pylon.IsMono(pixelType) || bayerColor;
ImageFormat format = color ? ImageFormat.RGB32 : ImageFormat.Y800;
finishline.Prepare(width, height, format, resultingFramerate);
if (finishline.Enabled)
{
height = finishline.Height;
resultingFramerate = finishline.ResultingFramerate;
}
int bufferSize = ImageFormatHelper.ComputeBufferSize(width, height, format);
bool topDown = true;
return(new ImageDescriptor(format, width, height, topDown, bufferSize));
}