🚀 go-pugleaf

Hi all

I'm trying to integrate EMF import in a vector graphics program
that handles its own geometric system (not just paints in a DC),
so need to extract coordinates out of ENHMETARECORD. I'm able to
read these coordinates directly from the record as long as it's
EMR_MOVETOEX or EMR_LINETO types, but cannot find how to get for
example a EMRPOLYLINE or EMRPOLYLINE18 or other structures from
the record.

My code looks like this:

int CALLBACK EnhMetaFileProc(HDC, HANDLETABLE FAR*,
                             ENHMETARECORD FAR *lpEMFR,
                             int, LPARAM) {
  switch(lpEMFR->iType) {
    case EMR_MOVETOEX:
      // this one's ok, coords are picked up from lpEMFR->dParm[]
      break;
    case EMR_LINETO:
      // this one's ok too.
      break;
    case EMR_POLYLINE:
      // How can I get coordinates then? lpEMFR->nSize gives a
      // variable size, but lpEMFR->dParm[] are not coordinates.
      // How can I access EMRPOLYLINE structure from here?
      break;
    case EMR_POLYLINE16:
    case EMR_POLYGON:
      // etc. Same question...
      break;
  }
}

Note that I have no use of any DC since I just want to load
vector info and convert it to my own data format.

Thanks for any help.


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