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

0	SUCCESS
>0	An error occurred. Refer to Return Codes.

Required DLLs and Libraries

LTDIC

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

See Also

Functions:	L_DicomInsertImage, L_DicomInsertImageList, L_DicomSetImage, L_DicomSetImageList, L_DicomSetJ2KOptions, L_DicomGetJ2KOptions
Topics:	Working with Data Sets
	Implementing JPEG 2000 Plug in Features

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;
}