private void UpdateMatrices()
{
colorMatrix = ColorMatrix.FromPrimaries((double)ctpRx.Value, (double)ctpRy.Value, (double)ctpGx.Value, (double)ctpGy.Value, (double)ctpBx.Value, (double)ctpBy.Value, (double)ctpWx.Value, (double)ctpWy.Value);
colorInverse = colorMatrix.Inverse();
ctpMatrix.Text = colorMatrix.ToString();
ctpMatrixInverse.Text = colorInverse.ToString();
}