public void Dispose()
{
if (ShouldDisposeOfInput)
{
InputFrame.Dispose();
}
if (ShouldDisposeOfOutput)
{
OutputFrame.Dispose();
}
DrawingSession.Dispose();
}
/// <summary>
/// Detects new output frames and updates the camera, then passes the output frame through an event to update the foreground
/// </summary>
/// <param name="timeStep"></param>
protected override void OnUpdate(float timeStep)
{
if (paused)
{
return;
}
Optional <OutputFrame> optionalOframe = OutputFrameBuffer.peek();
if (optionalOframe.OnSome)
{
OutputFrame oframe = optionalOframe.Some;
Optional <InputFrame> optionalIframe = oframe.inputFrame();
if (optionalIframe.OnSome)
{
InputFrame iframe = optionalIframe.Some;
CameraParameters cameraParameters = iframe.cameraParameters();
if (cameraParameters != null)
{
Image image = iframe.image();
float aspectRatio = (float)(DeviceDisplay.MainDisplayInfo.Width / DeviceDisplay.MainDisplayInfo.Height);
int rotation = 0;
switch (DeviceDisplay.MainDisplayInfo.Rotation)
{
case DisplayRotation.Rotation90:
rotation = 90;
break;
case DisplayRotation.Rotation180:
rotation = 180;
break;
case DisplayRotation.Rotation270:
rotation = 270;
break;
}
if (iframe.index() != previousInputFrameIndex)
{
Matrix44F ip = cameraParameters.imageProjection(aspectRatio, rotation, true, false);
Matrix4 iprj = ip.ToUrhoMatrix();
bgCamera.SetProjection(iprj);
EasyAR.Buffer buffer = image.buffer();
try
{
backgroundUpdater.UpdateTexture(Application, image.format(), image.width(), image.height(), buffer);
}
finally
{
buffer.Dispose();
}
previousInputFrameIndex = iframe.index();
}
ARFrameUpdated?.Invoke(oframe, cameraParameters, aspectRatio, rotation);
image.Dispose();
cameraParameters.Dispose();
}
iframe.Dispose();
}
oframe.Dispose();
}
base.OnUpdate(timeStep);
}
