| LEADTOOLS DICOM C DLL Help > Function References > L_DicomGetDefaultJ2KOptions | 
#include "ltdic.h"
L_LTDIC_API L_UINT16 L_DicomGetDefaultJ2KOptions(hDS, pOptions, nSize)
| HDICOMDS hDS; | /* a DICOM handle */ | 
| pFILEJ2KOPTIONS pOptions; | /* pointer to a structure */ | 
| L_INT nSize; | /* size of the structure */ | 
Gets the default JPEG 2000 compression options.
| Parameter | Description | 
| hDS | A DICOM handle. | 
| pOptions | Pointer to a structure to be updated with the default JPEG 2000 compression options. | 
| nSize | Size of the structure pointed to by pOptions. | 
Returns
| DICOM_SUCCESS | The function was successful. | 
| >0 | An error occurred. Refer to Return Codes. | 
Required DLLs and Libraries
| For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application | 
Win32, x64, Linux.
See Also
| Functions: | L_DicomInsertImage, L_DicomInsertImageList, L_DicomSetImage, L_DicomSetImageList, L_DicomSetJ2KOptions, L_DicomGetJ2KOptions | 
| Topics: | |
| 
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Example
This example inserts an image in a Data Set Using the JPEG 2000 compression with default compression options
L_INT DicomGetDefaultJ2KOptionsExample(HDICOMDS hDS, pBITMAPHANDLE pBitmap)
{
   L_UINT16 nRet;
   if(hDS && pBitmap)
   {
      pDICOMELEMENT pElement;
      FILEJ2KOPTIONS J2KOptions;
      
      // Get the default JPEG 2000 compression options. 
      nRet = L_DicomGetDefaultJ2KOptions(hDS, &J2KOptions, sizeof(FILEJ2KOPTIONS));
      if (nRet != DICOM_SUCCESS)
         return nRet;
      // Set the new compression options.
      nRet = L_DicomSetJ2KOptions(hDS, &J2KOptions);
      if (nRet != DICOM_SUCCESS)
         return nRet;
      pElement = L_DicomFindFirstElement( hDS, 
                                          NULL, 
                                          TAG_PIXEL_DATA,
                                          FALSE);
      if (pElement != NULL)
      {
         nRet = L_DicomInsertImage(hDS, 
                                   pElement, 
                                   pBitmap, 
                                   1, 
                                   IMAGE_COMPRESSION_J2K_LOSSY,
                                   IMAGE_PHOTOMETRIC_MONOCHROME2,
                                   0,
                                   25,
                                   DICOM_SETIMAGE_AUTO_SET_VOI_LUT,
                                   NULL,
                                   NULL);
         if (nRet != DICOM_SUCCESS)
            return nRet;
      }
   }
   return DICOM_SUCCESS;
}