Available in LEADTOOLS Medical Imaging toolkits. |
#include "ltdic.h"
L_UINT16 LDicomDS::SetJ2KOptions(pOptions)
const pFILEJ2KOPTIONS pOptions; |
/* pointer to a structure */ |
Sets the JPEG 2000 compression options.
Parameter |
Description |
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
0 |
SUCCESS |
>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
Example
This example inserts an image in a Data Set Using the JPEG 2000 compression with a 100:1 compression ratio.
L_INT LDicomDS_SetJ2KOptionsExample(LDicomDS *pDS ,pBITMAPHANDLE pBitmap) { L_INT nRet; if(pDS && pBitmap) { pDICOMELEMENT pElement; FILEJ2KOPTIONS J2KOptions; // Get the current JPEG 2000 compression options. nRet = pDS->GetJ2KOptions( &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 = 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, 0, NULL, NULL); if(nRet != DICOM_SUCCESS) return nRet; } } return DICOM_SUCCESS; }