void CLASS Canon_WBCTpresets(short WBCTversion) {

  int i;
  float norm;

  if (WBCTversion == 0) { // tint, as shot R, as shot B, CСT
      for (i = 0; i < 15; i++) {
        imgdata.color.WBCT_Coeffs[i][2] = imgdata.color.WBCT_Coeffs[i][4] = 1.0f;
        fseek(ifp, 2, SEEK_CUR);
        imgdata.color.WBCT_Coeffs[i][1] = 1024.0f / fMAX(get2(), 1.f);
        imgdata.color.WBCT_Coeffs[i][3] = 1024.0f / fMAX(get2(), 1.f);
        imgdata.color.WBCT_Coeffs[i][0] = get2();
    }

  } else if (WBCTversion == 1) { // as shot R, as shot B, tint, CСT
      for (i = 0; i < 15; i++) {
        imgdata.color.WBCT_Coeffs[i][2] = imgdata.color.WBCT_Coeffs[i][4] = 1.0f;
        imgdata.color.WBCT_Coeffs[i][1] = 1024.0f / fMAX(get2(), 1.f);
        imgdata.color.WBCT_Coeffs[i][3] = 1024.0f / fMAX(get2(), 1.f);
        fseek(ifp, 2, SEEK_CUR);
        imgdata.color.WBCT_Coeffs[i][0] = get2();
      }

  } else if (WBCTversion == 2) { // tint, offset, as shot R, as shot B, CСT
      if ((unique_id == 0x80000374) || // M3
          (unique_id == 0x80000384) || // M10
          (imgdata.makernotes.canon.CanonColorDataSubVer == 0xfffc)) {
          for (i = 0; i < 15; i++) {
            fseek(ifp, 4, SEEK_CUR);
            imgdata.color.WBCT_Coeffs[i][2] = imgdata.color.WBCT_Coeffs[i][4] = 1.0f;
            imgdata.color.WBCT_Coeffs[i][1] = 1024.0f / fMAX(1.f, get2());
            imgdata.color.WBCT_Coeffs[i][3] = 1024.0f / fMAX(1.f, get2());
            imgdata.color.WBCT_Coeffs[i][0] = get2();
          }
      } else if (imgdata.makernotes.canon.CanonColorDataSubVer == 0xfffd) {
          for (i = 0; i < 15; i++) {
            fseek(ifp, 2, SEEK_CUR);
            norm = (signed short)get2();
            norm = 512.0f + norm / 8.0f;
            imgdata.color.WBCT_Coeffs[i][2] = imgdata.color.WBCT_Coeffs[i][4] = 1.0f;
            imgdata.color.WBCT_Coeffs[i][1] = (float)get2() / norm;
            imgdata.color.WBCT_Coeffs[i][3] = (float)get2() / norm;
            imgdata.color.WBCT_Coeffs[i][0] = get2();
          }
      }
    }
  return;
}
Unknown