LJp2FileFormat::AppendGMLDataMemory

#include "ltwrappr.h"

L_INT LJp2FileFormat::AppendGMLDataMemory(pBuffer, uBufferSize, lpOutBuffer, puOutBufferSize, pGMLData)

L_UINT8 * pBuffer;

pointer to a JPEG 2000 file in memory

L_SIZE_T uBufferSize;

size of the JPEG 2000 file

L_UINT8 ** lpOutBuffer;

pointer to a pointer

L_SIZE_T * puOutBufferSize;

pointer to a variable to be updated

pL_JP2_GMLDATA pGMLData;

pointer to the L_JP2_GMLDATA structure

Appends GML data to the specified JPEG 2000 part 2 (JPX) file format in memory.  

Parameter

Description

pBuffer

Pointer to a JPEG 2000 file in memory.

uBufferSize

Size of the JPEG 2000 file in bytes.

lpOutBuffer

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.

puOutBufferSize

Address of a variable to be updated with the size of the output memory buffer in bytes.

pGMLData

Pointer to the L_JP2_GMLDATA structure that has the GML data to be appended.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

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.

Required DLLs and Libraries

LTJP2
LFJ2K
LTIMGEFX

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

See Also

Functions:

LJp2FileFormat::ReadGMLData, LJp2FileFormat::AppendGMLData, LJp2FileFormat::AppendBoxes, LJp2FileFormat::AppendBoxesMemory , LJp2FileFormat::AppendFrames, LJp2FileFormat::AppendFramesMemory, LJp2FileFormat::ReadBox, LJp2FileFormat::ReadBoxMemory

Topics:

Implementing JPEG 2000 Features

 

Raster Image Functions: Working with JPEG 2000

 

Programming with JPX Features

 

JPX File Comments

 

Raster Image Functions: Working with JPX

Example

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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