Проблема отрисовки знаков с семантиками в unicode

#include <QString>
#include <QTextCodec>
#include <QDebug>
#include <QImage>

#include "mapapi.h"
#include "sitapi.h"
#include "rscapi.h"
#include "mapcreat.h"
#include "maptype.h"

void saveMap(HMAP hmap, QString filename) {
    XIMAGEDESC desc;
    DFRAME frame;
    mapGetTotalBorder(hmap, &frame, PP_PICTURE);
    RECT rect;
    rect.left = frame.X1;
    rect.right = frame.X2;
    rect.top = frame.Y1;
    rect.bottom = frame.Y2;

    memset((void*) &desc, 0, sizeof(desc));
    desc.Width = rect.right - rect.left;
    desc.Height = rect.bottom - rect.top;
    desc.Depth = mapGetMapScreenDepth();
    desc.CellSize = desc.Depth / 8;
    desc.RowSize = desc.Width * desc.CellSize;
    desc.Point = (char*) malloc(desc.Height * desc.RowSize);

    mapPaintToXImage(hmap, &desc, 0,0, &rect);
    QImage im2((const uchar*) desc.Point, desc.Width,
               desc.Height, desc.RowSize,
               QImage::Format_RGB32);
    if (!im2.save("/tmp/" + filename, "PNG")) {
        qDebug() << "file save error";
    }
    free(desc.Point);
}

// тест рисования флага
int main(int argc, char ** argv) {
   QString* siteName = new QString("/home/user/temp/testFlagPaint.sitx");
   QString* rscName = new QString("/home/user/temp/operator.rsc");
   CREATESITEUN cs;
   memset((void*) &cs, 0, sizeof(cs));
   cs.Length = sizeof(CREATESITEUN);
   cs.EllipsoideKind = 9;
   cs.MapType = 16;

   HMAP hmap = mapCreateSiteUn((const WCHAR*) siteName->constData(),
         (const WCHAR*) rscName->constData(), &cs);
   if (hmap != 0) {
      long int siteIndex = mapGetSiteCount(hmap);
      HOBJ hobj = mapCreateObject(hmap);
      if (hobj != 0) {
         //создадим объект
         if (mapRegisterObjectByKey(hobj, "009991001001") != 0) {
            double x = 500.;
            double y = 500.;
            mapAppendPointPlane(hobj, x, y, 0);
            mapAppendPointPlane(hobj, x, y, 0);

            QTextCodec* codec = QTextCodec::codecForName("UTF-8");
            QTextCodec::setCodecForCStrings(codec);
            QString value("12 абвгдеёж");
            mapAppendSemanticUnicode(hobj, 5400, (const WCHAR*)(value.constData()), value.size());
            long rc = mapCommitObject(hobj);
            if (rc == 0) {
               qDebug() << "mapCommitObject error";
            }
            mapSetRealShowScale(hmap, 100000);

            saveMap(hmap, "1.png");
         } else {
            qDebug() << "mapRegisterObjectByKey error";
         }
         //освобождаем объект
         mapFreeObject(hobj);
      } else {
         qDebug() << "mapCreateObject error";
      }
      mapCloseMap(hmap);
   }

}

QString* siteName = new QString("/home/user/temp/testFlagPaint.sitx");
   QString* rscName = new QString("/home/user/temp/operator.rsc");