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Retrieves the text header information of a specific text segment.
#include "ltwrappr.h"
L_INT LNITFFile::GetTextHeader(uIndex, pTxtHeader)
A zero-based index of the text segment in the NITF file.
Pointer to a TXTHEADER structure to be updated with the text header information of the specified text segment at the index uIndex.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
To retrieve the number of the text segments available in the NITF file, call the LNITFFile::GetTextHeaderCount function.
To change the text header information for a specific text segment, call the LNITFFile::SetTextHeader function.
L_INT LNITFFile_GetTextHeaderExample(){//Parse the NITF fileLNITFFile Nitf;Nitf.Create (MAKE_IMAGE_PATH(TEXT("test.ntf")));L_UINT uFlags = 0;TXTHEADER TextHeader;L_UINT uCount;L_UINT i = 0;memset(&TextHeader, 0, sizeof(TXTHEADER));// Check if the NITF is empty or invaliduFlags = Nitf.GetStatus ();if((uFlags & NITF_FILE_EMPTY) == NITF_FILE_EMPTY){MessageBox(NULL, TEXT("NITF file is empty"), 0, 0);return SUCCESS;}if((uFlags & NITF_FILE_VALID) != NITF_FILE_VALID){MessageBox(NULL, TEXT("NITF file is invalid"), 0, 0);return SUCCESS;}// Update the graphic headeruCount = Nitf.GetTextHeaderCount ();for( i = 0; i < uCount; ++i){if(Nitf.GetTextHeader(i, &TextHeader) == SUCCESS){TextHeader.pTXTITL = "LEAD Technologies, Inc";Nitf.SetTextHeader (i, &TextHeader);Nitf.FreeTextHeader(&TextHeader);}}Nitf.SaveFile (MAKE_IMAGE_PATH(TEXT("test1.ntf")));Nitf.Destroy ();return SUCCESS;}