L_DicomSetJ2KOptions

#include "ltdic.h"

L_LTDIC_API L_UINT16 L_DicomSetJ2KOptions(hDS, pOptions)

HDICOMDS hDS;	a DICOM handle
const pFILEJ2KOPTIONS pOptions;	pointer to a structure

Sets the JPEG 2000 compression options.

Parameter	Description
hDS	A DICOM handle.
pOptions	Pointer to a structure that contains the options to use when compressing the image(s) in a Pixel Data element using the JPEG 2000 compression.

Returns

DICOM_SUCCESS	The function was successful.
>0	An error occurred. Refer to Return Codes.

Comments

The nSize member of the FILEJ2KOPTIONS structure must be set before calling this function.

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 a 100:1 compression ratio

{                                    }

codeContainer Generic">L_INT DicomSetJ2KOptionsExample(HDICOMDS hDS, pBITMAPHANDLE pBitmap)   L_UINT16 nRet;  if(hDS && pBitmap)  {  pDICOMELEMENT pElement;  FILEJ2KOPTIONS J2KOptions;  // Get the current JPEG 2000 compression options.  nRet = L_DicomGetJ2KOptions(hDS, &J2KOptions, sizeof(FILEJ2KOPTIONS));  if (nRet != DICOM_SUCCESS)  return nRet;  J2KOptions.uCompressionControl = J2K_COMPRESSION_RATIO;  // set the compression ratio to 100  J2KOptions.fCompressionRatio = 100.0f;  // Update the JPEG 2000 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;

Help Version 19.0.2017.10.27

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LEADTOOLS DICOM C API Help

Introduction

Version History

Getting Started

Features of LEADTOOLS DICOM

Redistributables/Files To Be Included With Your Application

Functions:	L_DicomInsertImage, L_DicomInsertImageList, L_DicomSetImage, L_DicomSetImageList, L_DicomGetJ2KOptions, L_DicomGetDefaultJ2KOptions
Topics:	Working with Data Sets
	Programming with JPEG 2000 Features