JXR: jxrlib cannot write HDP and WDP formats
According with JXRLib GetIIDInfo(), HDP and WPD formats are read only.
static PKIIDInfo iidInfo[] = {
{".jxr", &IID_PKImageWmpEncode, &IID_PKImageWmpDecode},
{".wdp", &IID_PKImageUnsupported, &IID_PKImageWmpDecode},
{".hdp", &IID_PKImageUnsupported, &IID_PKImageWmpDecode},
};