LDicomDS::GetModalityLUTData

L_INT LDicomDS_GetModalityLUTDataExample 
( 
   LDicomDS *  pDS,//Input dataset 
   L_UINT16 *  pLUTDataBuffer,//Buffer which will hold the data 
   L_UINT      uInputBufferSize//Buffer size 
)  
{ 
   L_INT nRet; 
   // Structure that will hold modality LUT attributes 
   DICOMMLUTATTRIBS ModalityLUTAttributes= {0}; 
 
   // Sanity Check 
   if((pDS == NULL)||  
      (pLUTDataBuffer== NULL))  
   { 
      return DICOM_ERROR_NULL_PTR; 
   } 
 
   if(uInputBufferSize == 0)  
   { 
      return DICOM_ERROR_PARAMETER; 
   } 
 
   memset(pLUTDataBuffer,0,uInputBufferSize);  
 
   // Get modality LUT attributes 
   nRet = pDS->GetModalityLUTAttributes ( 0, 
                                          &ModalityLUTAttributes,  
                                          sizeof(DICOMMLUTATTRIBS),  
                                          0); 
   if(nRet != DICOM_SUCCESS)  
   { 
      return nRet; 
   } 
 
   // If there is no modality LUT sequence  
   // then there is no data !  
   if(!ModalityLUTAttributes.bIsModalityLUTSequence)  
   { 
      return DICOM_ERROR_MODALITY_LUT_MISSING; 
   } 
 
   // The buffer should be big enough to hold the data!  
   if(!(uInputBufferSize >= ModalityLUTAttributes.LUTDescriptor.uNumberOfEntries))  
   { 
      return DICOM_ERROR_PARAMETER;  
   } 
 
   // Retrieve the LUT Data (0028,3006)  
   return pDS->GetModalityLUTData (pLUTDataBuffer,uInputBufferSize,0);  
}