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Resolution

public int ResolutionWidth = 1280;
public int ResolutionHeight = 720;

Initializaing the web cam

private void InitializeCamera()
{
    // config webcam
    _webcamtex = new WebCamTexture(ResolutionWidth, ResolutionHeight, 30);
    // show camera texture
    FrameImage.material.mainTexture = camTexture;
    camTexture.Play();
}

Pause Camera

private void PauseCamera()
{
    _webcamtex.Pause();
  _photoUi.HidePhotoMask();
}

Restart

private void RestartCamera()
{
    _webcamtex.Play();
    _photoUi.ShowPhotoMask();
}

Stop

private void StopCamera()
{
    _webcamtex.Stop();
}

Capture Photo

private IEnumerator CaptureTextureAsPNG()
{
    Debug.Log("Saving photo");
    yield return new WaitForEndOfFrame();
    Texture2D textureFromCamera = _photoUi.GetCameraFrame();
    textureFromCamera.SetPixels(_photoUi.GetCameraPixels());
    textureFromCamera.Apply();
    byte [] bytes = textureFromCamera.EncodeToPNG();
    SavePhoto(bytes);
}

Save Photo

private void SavePhoto(byte[] bytes)
{
    // creating the folder
    if (!Directory.Exists(_filePath))
    {
        Directory.CreateDirectory(_filePath);
    }

    Debug.Log("Saving file at: " + _filePath);
    // return Filename
    _fileName = GetUniqueFileName();
    _fileFullPath = $"{_filePath}{_fileName}";
    File.WriteAllBytes(_fileFullPath, bytes);

    if (_onPhotoTaken != null)
    {
        Photo photo = new Photo(
        _fileName, _fileFullPath, _filePath, bytes,
        ResolutionWidth, ResolutionHeight);
        _onPhotoTaken(photo);
    }
}

private string GetUniqueFileName()
{
    DateTime time = DateTime.Now;
    string timeStr = time.ToLongDateString();
    return $"photo{timeStr}.png";
}