L_Jp2ReadGMLDataMemory

#include "l_bitmap.h"

L_LTJP2_API L_INT EXT_FUNCTION L_Jp2ReadGMLDataMemory(hJp2, pBuffer, uBufferSize, pGMLData)

Reads GML data stored in a JPEG 2000 file in memory.

Parameters

L_HJP2 hJp2

JPEG 2000 engine handle.

L_UINT8 * pBuffer

Pointer to a JPEG 2000 file in memory.

L_SIZE_T uBufferSize

Size of the JPEG 2000 file in bytes.

pL_JP2_GMLDATA pGMLData

Pointer to the L_JP2_GMLDATA structure that is filled by GML data stored in the file.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

L_Jp2ReadGMLDataMemory reads GML data stored in a JPEG 2000 file in memory. You must free this structure by calling the L_Jp2FreeGMLData function.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

This example reads GML data stored in JPEG 2000 file format 

L_INT Jp2ReadGMLDataMemoryExample(L_UINT8* pFileBuffer, L_SIZE_T uFileSize) 
{ 
   L_HJP2 hEngine; 
   L_JP2_GMLDATA GMLData; 
 
   /*Create JPEG  2000 engine handle*/ 
   hEngine = L_Jp2Create(); 
 
   /*Read GML data*/ 
   GMLData.uStructSize = sizeof(L_JP2_GMLDATA); 
   L_Jp2ReadGMLDataMemory(hEngine, pFileBuffer, uFileSize, &GMLData); 
 
   /*Free GML data*/ 
   L_Jp2FreeGMLData(hEngine, &GMLData); 
   /*Destroy engine handle*/ 
   L_Jp2Destroy(hEngine); 
   return SUCCESS; 
}

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