LDicomDS::GetDefaultJ2KOptions

#include "ltdic.h"

L_UINT16 LDicomDS::GetDefaultJ2KOptions(pOptions, nSize)

pFILEJ2KOPTIONS pOptions;	/* pointer to a structure */
L_INT nSize;	/* size of the structure */

Gets the default JPEG 2000 compression options.

Parameter	Description
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

Platforms

Win32, x64

See Also

Functions:	LDicomDS::InsertImage, LDicomDS::InsertImageList, LDicomDS::SetImage, LDicomDS::SetImageList, LDicomDS::SetJ2KOptions, LDicomDS::GetJ2KOptions
Topics:	Working with Data Sets
	Programming with JPEG 2000 Features
	How to Disable the Automatic Loading of the default DICOM IOD Table

Example

This example inserts an image in a Data Set Using the JPEG 2000 compression with default compression options.

L_INT LDicomDS_GetDefaultJ2KOptionsExample(LDicomDS *pDS ,pBITMAPHANDLE pBitmap)
{
   L_INT nRet;
   if(pDS && pBitmap)
   {
      pDICOMELEMENT  pElement;
      FILEJ2KOPTIONS J2KOptions;
      // Get the default JPEG 2000 compression options. 
      nRet = pDS->GetDefaultJ2KOptions(&J2KOptions, sizeof(FILEJ2KOPTIONS));
      if(nRet != DICOM_SUCCESS)
         return nRet;
      // Set the new compression options.
      nRet = pDS->SetJ2KOptions(&J2KOptions);
      if(nRet != DICOM_SUCCESS)
         return nRet;
      pElement = pDS->FindFirstElement(NULL, TAG_PIXEL_DATA, FALSE);
      if (pElement != NULL)
      {
         nRet = pDS->InsertImage( 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;
}