#include "ltdic.h"
L_UINT16 LDicomDS::SetJ2KOptions(pOptions)
Sets the JPEG 2000 compression options.
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.
Value | Meaning |
---|---|
0 | SUCCESS |
>0 | An error occurred. Refer to Return Codes. |
The nSize member of the FILEJ2KOPTIONS structure must be set before calling this function.
Required DLLs and Libraries
Win32, x64
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;
}
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