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L_DicomGetDefaultJ2KOptions

Summary

Gets the default JPEG 2000 compression options.

Syntax

#include "ltdic.h"

L_LTDIC_API L_UINT16 L_DicomGetDefaultJ2KOptions(hDS, pOptions, nSize)

Parameters

HDICOMDS hDS

A DICOM handle.

pFILEJ2KOPTIONS pOptions

Pointer to a structure to be updated with the default JPEG 2000 compression options.

L_INT nSize

Size of the structure pointed to by pOptions.

Returns

Value	Meaning
DICOM_SUCCESS	The function was successful.
>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, Linux.

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; 
}