L_INT LJp2FileFormat::AppendGMLDataMemory(pBuffer, uBufferSize, lpOutBuffer, puOutBufferSize, pGMLData)
Appends GML data to the specified JPEG 2000 part 2 (JPX) file format in memory.
Pointer to a JPEG 2000 file in memory.
Size of the JPEG 2000 file in bytes.
Pointer to a pointer to be updated with an array of bytes that contains a JPEG 2000 file with new appended GML data. You must free this buffer by calling the Windows LocalFree() function.
Address of a variable to be updated with the size of the output memory buffer in bytes.
Pointer to the L_JP2_GMLDATA structure that has the GML data to be appended.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
LJp2FileFormat::AppendGMLDataMemory appends GML data to the specified JPEG 2000 part 2 (JPX) file format in memory. If the file is JPX format, the functions returns: ERROR_FILE_FORMAT.
Win32, x64.
This example appends user GML data to a JPEG 2000 file.
L_INT LJp2FileFormat__AppendGMLDataMemoryExample(L_UINT8* pFileBuffer, L_SIZE_T uFileSize, L_UINT8** lpOutBuffer, L_SIZE_T * puOutSize, pL_JP2_GMLDATA pGMLData)
{
LJp2FileFormat Engine;
L_INT nRet = 0;
/*Read GML data*/
nRet = Engine.AppendGMLDataMemory( pFileBuffer, uFileSize, lpOutBuffer, puOutSize, pGMLData);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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