protected virtual int GetHeight(XmlDeserializer deserializer) => deserializer.GetInt(HeightName);
protected virtual int GetWidth(XmlDeserializer deserializer) => deserializer.GetInt(WidthName);
protected virtual int GetHeight(XmlDeserializer deserializer) => deserializer.GetInt(HeightName);
protected virtual int GetWidth(XmlDeserializer deserializer) => deserializer.GetInt(WidthName);