void OnFrame()
{
// Capture the preview frame
deviceCamera.CaptureFrame(buffer);
// Convert to greyscale
ConvertToGrey(buffer);
// Fill the texture with the greys
texture.LoadRawTextureData(buffer);
texture.Apply();
}
/// <summary>
/// Gets the mat of the current frame.
/// The Mat object's type is 'CV_8UC4' (RGBA).
/// </summary>
/// <returns>The mat of the current frame.</returns>
public override Mat GetMat()
{
if (!hasInitDone || !natCamDeviceCamera.IsRunning || pixelBuffer == null)
{
return((rotatedFrameMat != null) ? rotatedFrameMat : frameMat);
}
// Set `flip` flag to true because OpenCV uses inverted Y-coordinate system
natCamDeviceCamera.CaptureFrame(pixelBuffer);
Utils.copyToMat(pixelBuffer, frameMat);
FlipMat(frameMat, flipVertical, flipHorizontal);
if (rotatedFrameMat != null)
{
Core.rotate(frameMat, rotatedFrameMat, Core.ROTATE_90_CLOCKWISE);
return(rotatedFrameMat);
}
else
{
return(frameMat);
}
}
public void CaptureFrame(Mat matrix)
{
camera.CaptureFrame(sourceBuffer);
Utils.copyToMat(sourceBuffer, matrix);
Core.flip(matrix, matrix, 0);
}
