/// <summary>
/// Handles the ValueChanged event of the TrackThreshold control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void TrackThreshold_ValueChanged(object sender, EventArgs e)
{
if (_sourceTexture == null)
{
return;
}
Cursor.Current = Cursors.WaitCursor;
try
{
// Unfortunately, because the two interfaces are disconnected, we need to ensure that we're not using a resource on the graphics side
// when we want access to it on the compute side. This needs to be fixed as it can be a bit on the slow side to constantly do this
// every frame.
_sobel.Process(_sourceTexture, _outputUav, TrackThickness.Value, TrackThreshold.Value / 100.0f);
var png = new GorgonCodecPng();
using (var tempTexture = new GorgonTexture2D(_graphics, new GorgonTexture2DInfo(_outputTexture)
{
Format = BufferFormat.R8G8B8A8_UNorm
}))
{
_outputTexture.CopyTo(tempTexture);
using (IGorgonImage image = tempTexture.ToImage())
{
png.SaveToFile(image, @"D:\unpak\uav.png");
}
}
}
catch (Exception ex)
{
GorgonDialogs.ErrorBox(this, ex);
}
finally
{
Cursor.Current = Cursors.Default;
}
}