Method validate

src/OpenColorIO/ops/range/RangeOpData.cpp:187–262

}

void RangeOpData::validate() const
{
    // NB: Need to allow vals to exceed normal integer range
    // to allow lossless setting of bit-depth from float-->int-->float.

    // If in_min or out_min is not empty, so must the other half be.
    if (IsNan((float)m_minInValue))
    {
        if (!IsNan((float)m_minOutValue))
        {
            throw Exception("In and out minimum limits must be both set "
                            "or both missing in Range.");
        }
    }
    else
    {
        if (IsNan((float)m_minOutValue))
        {
            throw Exception("In and out minimum limits must be both set "
                            "or both missing in Range.");
        }
    }

    if (IsNan((float)m_maxInValue))
    {
        if (!IsNan((float)m_maxOutValue))
        {
            throw Exception("In and out maximum limits must be both set "
                            "or both missing in Range.");
        }
        if (IsNan((float)m_minInValue))
        {
            throw Exception("At least minimum or maximum limits must be set in Range.");
        }
    }
    else
    {
        if (IsNan((float)m_maxOutValue))
        {
            throw Exception("In and out maximum limits must be both set "
                            "or both missing in Range.");
        }
    }

    // Currently not allowing polarity inversion so enforce max > min.
    if (!IsNan((float)m_minInValue) && !IsNan((float)m_maxInValue))
    {
        if (m_minInValue > m_maxInValue)
        {
            throw Exception("Range maximum input value is less than minimum input value");
        }
        if (m_minOutValue > m_maxOutValue)
        {
            throw Exception("Range maximum output value is less than minimum output value");
        }
    }

    // A one-sided clamp must have matching in & out values.