L_Jp2ReadGMLData

#include "l_bitmap.h"

L_LTJP2_API L_INT EXT_FUNCTION L_Jp2ReadGMLData(hJp2, pFileName, pGMLData)

L_HJP2 hJp2;	JPEG 2000 engine handle
L_TCHAR * pFileName;	JPEG 2000 file name
pL_JP2_GMLDATA pGMLData;	pointer to the L_JP2_GMLDATA structure

Reads GML data stored in a JPEG 2000 file.

Parameter	Description
hJp2	JPEG 2000 engine handle.
pFileName	Character string that contains the name of the JPEG 2000 file.
pGMLData	Pointer to the L_JP2_GMLDATA structure that is filled by GML data stored in the file.

Returns

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

Comments

L_Jp2ReadGMLData reads GML data stored in a JPEG 2000 file. You must free this structure by calling the L_Jp2FreeGMLData function.

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.

Example

This example reads GML data stored in JPEG 2000 file format

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
L_INT Jp2ReadGMLDataExample(L_VOID) 
{ 
   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_Jp2ReadGMLData(hEngine, MAKE_IMAGE_PATH(TEXT("image1.jpx")), &GMLData); 
   /*Free GML data*/ 
   L_Jp2FreeGMLData(hEngine, &GMLData); 
   /*Destroy engine handle*/ 
   L_Jp2Destroy(hEngine); 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27

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LEADTOOLS Raster Imaging C API Help

Introduction

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LEADTOOLS Raster Imaging Features

Redistributables/Files To Be Included With Your Application

Functions:	L_Jp2FreeGMLData, L_Jp2ReadGMLDataMemory, L_Jp2AppendGMLData, L_Jp2AppendGMLDataMemory
Topics:	Programming with JPEG 2000 Features
	Programming with JPX Features
	Raster Image Functions: Working with JPEG 2000
	Raster Image Functions: Working with JPX