#include "ltwrappr.h"
L_INT LJp2FileFormat::ReadGMLData(pFileName, pGMLData)
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 |
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
LJp2FileFormat::ReadGMLData reads GML data stored in a JPEG 2000 file. You must free this structure by calling the LJp2FileFormat::FreeGMLData function.
Required DLLs and Libraries
LTJP2 For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
See Also
Functions: |
LJp2FileFormat::FreeGMLData, LJp2FileFormat::ReadGMLDataMemory, LJp2FileFormat::AppendGMLData, LJp2FileFormat::AppendGMLDataMemory |
Topics: |
|
|
|
|
|
|
|
|
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 LJp2FileFormat__ReadGMLDataExample(L_VOID) { LJp2FileFormat Engine; L_JP2_GMLDATA GMLData; L_INT nRet = 0; /*Read GML data*/ GMLData.uStructSize = sizeof(L_JP2_GMLDATA); nRet = Engine.ReadGMLData(MAKE_IMAGE_PATH(TEXT("image1.jpx")), &GMLData); if(nRet != SUCCESS) return nRet; /*Free GML data*/ nRet = Engine.FreeGMLData( &GMLData); if(nRet != SUCCESS) return nRet; return SUCCESS; }