Available in LEADTOOLS Medical Imaging toolkits. |
#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 |
Win32, x64
See Also
Functions: |
L_DicomInsertImage, L_DicomInsertImageList, L_DicomSetImage, L_DicomSetImageList, L_DicomGetJ2KOptions, L_DicomGetDefaultJ2KOptions |
Topics: |
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Example
This example inserts an image in a Data Set Using the JPEG 2000 compression with a 100:1 compression ratio
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; }