J2KCompressionControl Example for C++ Builder
LEADRasterIO * pRasterIO = NULL;
CoCreateInstance (CLSID_LEADRasterIO, NULL, CLSCTX_ALL,
IID_ILEADRasterIO, (void**)&pRasterIO);
//compress a lossless file
pRasterIO->J2KSetDefaults ();
pRasterIO->J2KCompressionControl_ = J2K_COMP_LOSSLESS;
pRasterIO->Save (LEADRasterView1->Raster, AnsiToOLESTR ("c:\\temp\\lossless.j2k"), FILE_J2K, 0, (QFactorConstants) 0, SAVE_OVERWRITE);
pRasterIO->Release();