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WSFMod.cpp
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WSFMod.cpp
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/*
Whelchel Sound Format
Based on MODs
Josh Whelchel 2003
www.syntesis.ath.cx
*/
/***************************************************************************
* Copyright (C) 2005 by Josh Whelchel *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
///
/// \file WSFMod.cpp Main MOD functions
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "WSFGlob.h"
#include "WSFMod.h"
#include "WSFComp.h"
#ifndef WIN32
#define stricmp strcasecmp
#define strnicmp strncasecmp
#endif
#ifdef WINWSF
/*
WINWSF is a decleration used when compiling WinWSFTool.
This allows us to give detailed status reports through
the CStatusDlg class.
*/
#include "WinWSFTool\resource.h" // main symbols
#include "WinWSFTool\StdAfx.h"
#include "WinWSFTool\StatusDlg.h"
extern CStatusDlg *g_mStatus;
#endif
char *g_cModExt[] = {
".IT", ///< Extension for Impulse Tracker Module
".XM", ///< Extension for XM Modules
".S3M", ///< Extension for Scream Tracker Modules
".MOD", ///< Extension for original MOD Modules
".WSF", ///< Extension for WSF files (internal use only)
".WTF", ///< Extension for WSF files (internal use only)
// Insert Formats Here
"XXX",
"XXX"
};
char *g_cModDesc[] = {
"Impulse Tracker Module", // WSFM_IT
"Fast Tracker Module", // WSFM_XM
"Scream Tracker Module", // WSFM_S3M
"MOD Module", // WSFM_MOD
"Whelchel Sound Format", // WSFM_WSF
"Whelchel Tune File", // WSFM_WTF
// Insert Formats Here
"XXX",
"XXX"
};
wsfb g_bModFlag[] = {
1, // IT
1, // XM
1, // S3M
1, // MOD
1, // WSF
1, // WTF
// Insert Formats Here
0,
0,
};
#ifndef strlwr
#include <ctype.h>
char *strlwr( char *str )
{
int len = strlen(str);
for (int i=0;i<len;i++)
{
str[i] = tolower(str[i]);
}
return str;
}
#endif
//////////////////////////////////////////////////////
// FreeGSPData()
//
// Author:
/// \author Josh Whelchel
/// \date 2/23/2003 1:07:03 AM
/// \param *gspData Pointer to free
/// \brief Frees a wsf_gspdata structure
///
//
//////////////////////////////////////////////////////
void FreeGSPData( wsf_gspdata *gspData )
{
free(gspData->nSampOffs);
free(gspData->nSampSizes);
free(gspData->nFreqs);
free(gspData->nBit);
free(gspData->nCh);
free(gspData->nInSamps);
free(gspData->cNames);
}
//////////////////////////////////////////////////////
// InitGSPData()
//
// Author:
/// \author Josh Whelchel
/// \date 2/23/2003 1:17:37 AM
/// \param *gspData
/// \brief Inits wsf_gspdata struct.
/// nSamples must be filled first
///
//
//////////////////////////////////////////////////////
void InitGSPData( wsf_gspdata *gspData )
{
wsul nSamps;
nSamps = gspData->nSamples;
gspData->nSampOffs = (wsul*)malloc(sizeof(wsul)*nSamps);
gspData->nSampSizes = (wsul*)malloc(sizeof(wsul)*nSamps);
gspData->nInSamps = (wsul*)malloc(sizeof(wsul)*nSamps);
gspData->nBit = (wsfb*)malloc(sizeof(wsfb)*nSamps);
gspData->nCh = (wsfb*)malloc(sizeof(wsfb)*nSamps);
gspData->cNames = (char*)malloc(27*nSamps);
gspData->nFreqs = (wsul*)malloc(sizeof(wsul)*nSamps);
return;
}
//////////////////////////////////////////////////////
// PushIntoGSP()
//
// Author:
/// \author Josh Whelchel
/// \date 2/23/2003 7:32:36 PM
/// \param *gspData GSP Data
/// \param nSize Size of Sample
/// \param nOffset Offset of Sample
/// \param nSamps Samples
/// \param nCh Channels
/// \param nBit Bitrate
//
//////////////////////////////////////////////////////
void PushIntoGSP( wsf_gspdata *gspData, wsul nSize, wsul nOffset, wsul nSamps, wsfb nCh, wsfb nBit, char *cName, wsul nFreq )
{
wsul nID;
if (nSize <= 0)
return;
nID = gspData->nSamples;
gspData->nSamples++;
gspData->nBit = (wsfb*)realloc(gspData->nBit,sizeof(wsfb)*gspData->nSamples);
gspData->nCh = (wsfb*)realloc(gspData->nCh,sizeof(wsfb)*gspData->nSamples);
gspData->nFreqs = (wsul*)realloc(gspData->nFreqs,sizeof(wsul)*gspData->nSamples);
gspData->nInSamps = (wsul*)realloc(gspData->nInSamps,sizeof(wsul)*gspData->nSamples);
gspData->nSampOffs = (wsul*)realloc(gspData->nSampOffs,sizeof(wsul)*gspData->nSamples);
gspData->nSampSizes = (wsul*)realloc(gspData->nSampSizes,sizeof(wsul)*gspData->nSamples);
gspData->cNames = (char*)realloc(gspData->cNames,27*gspData->nSamples);
gspData->nBit[nID] = nBit;
gspData->nCh[nID] = nCh;
gspData->nFreqs[nID] = nFreq;
gspData->nInSamps[nID] = nSamps;
gspData->nSampOffs[nID] = nOffset;
gspData->nSampSizes[nID] = nSize;
strncpy((char*)gspData->cNames+(nID*27),cName,26);
gspData->cNames[nID*27+26] = 0;
}
//***************************************************************************** */
// GetModType()
//
// Purpose: Gets MOD Type
//
// Author : [Josh Whelchel], Created : [2/12/2003 11:27:52 AM]
// Parameters:
//
// [*cFile] :
//
// Returns: int
//
//***************************************************************************** */
int GetModType( char *cFile )
{
char *cExt;
int i;
// Get File Extension
cExt = strrchr(cFile,'.');
if (!cExt)
return WSFM_NONE; // Couldn't find it ;_;
// Go through the count
for (i=0;i<WSFM_COUNT;i++){
if (stricmp(cExt,g_cModExt[i])==0){
if (i==WSFM_WTF)
return WSFM_WSF;
else
return i; // Found and label :D
}
}
// Not found
return WSFM_NONE;
}
//*****************************************************************************
// SearchForString()
//
// Purpose: Searches buffer for a string
//
// Author : [Josh Whelchel], Created : [2/9/2003 1:58:21 PM]
// Parameters:
//
// [*lpBuf] :
// [nSize] :
// [*cStr] :
//
// Returns: UL
//
//*****************************************************************************
wsfb *SearchForString( wsfb *lpBuf, wsul nSize, char *cStr, int nTagLen )
{
int nP;
wsul i;
wsfb *lpPos;
wsfb *bStart;
// Reset Tag Length
nP = 0;
// Search!
for (i=0;i<nSize;i++)
{
lpPos = lpBuf+i;
if (lpPos[0] == cStr[nP])
{
if (nP == 0)
bStart = lpPos;
nP++;
if (nP == nTagLen)
return bStart;
}
else
nP = 0;
}
return NULL;
}
//////////////////////////////////////////////////////
// *GetBaseLoader()
//
// Author:
/// \author Josh Whelchel
/// \date 2/22/2003 6:07:14 PM
/// \param nModType Mod Type from WSFModVers enum
/// \return
/// \brief Returns CBaseLoader of mod type
///
//
//////////////////////////////////////////////////////
CBaseLoader *GetBaseLoader( wsfb nModType )
{
CBaseLoader *xBL;
xBL = NULL;
switch (nModType)
{
case WSFM_IT:
xBL = (CBaseLoader*) new CITLoader;
break;
case WSFM_S3M:
xBL = (CBaseLoader*) new CS3MLoader;
break;
case WSFM_WTF:
case WSFM_WSF:
xBL = (CBaseLoader*) new CWSFLoader;
break;
case WSFM_XM:
xBL = (CBaseLoader*) new CXMLoader;
break;
case WSFM_MOD:
xBL = (CBaseLoader*) new CMODLoader;
break;
// Insert Formats Here (case WSFM_xxx: xBL = (CBaseLoader*) new CxxxLoader;
}
return (CBaseLoader*)xBL;
}
//***************************************************************************** */
// CWSFMod::CWSFMod()
//
// Purpose: Construct
//
// Author : [Josh Whelchel], Created : [2/12/2003 11:17:41 AM]
// Parameters:
//
//
// Returns: none
//
//***************************************************************************** */
CWSFMod::CWSFMod()
{
// Allocate new memories and stuff, and set loaded to 0
m_nLoaded = 0;
m_nModType = WSFM_NONE;
m_fPack = NULL;
m_wPack = new CWSFPack;
memset(&m_wLD,0,sizeof(m_wLD));
m_cModTitle[0] = 0;
}
//***************************************************************************** */
// CWSFMod::~CWSFMod()
//
// Purpose: Killer
//
// Author : [Josh Whelchel], Created : [2/12/2003 11:18:43 AM]
// Parameters:
//
//
// Returns: none
//
//***************************************************************************** */
CWSFMod::~CWSFMod()
{
if (m_nLoaded)
FreeMod(); // Free mod if loaded
delete m_wPack;
}
int nTest=0;
//***************************************************************************** */
// *ReplaceData()
//
// Purpose: Replaces data in a buffer
//
// Author : [Josh Whelchel], Created : [2/15/2003 4:31:52 PM]
// Parameters:
//
// [*bIn] : Input buffer
// [nIn] : Size of input buffer
// [*nOut] : Outputs size of new buffer
// [nRepOff] : Replaces data at this offset
// [nRepLength] : with this length
// [*bFill] : with data at this buffer
// [nFillLen] : that is this int
// and
// Returns: the new buffer
//
//***************************************************************************** */
/// Replaces a data segment with another.
/// In a large array of data, this function replaces a segment with another.
/// This is used when the samples are inserted into the mod from the sample library,
/// or vice versa when the samples are extracted from the sample library.
/// \note The bIn parameter is not automatically freed and it needs to be.
wsfb *CBaseLoader::ReplaceData( wsfb *bIn, unsigned int nIn, unsigned int *nOut, unsigned int nRepOff, unsigned int nRepLength, wsfb *bFill, unsigned int nFillLen )
{
wsfb *bOut;
wsfb *bPos;
unsigned int nNewSize;
// Gets new size
nNewSize = nIn - nRepLength + nFillLen;
bOut = (wsfb*)malloc(nNewSize);
// If they want the output size, tell them
if (nOut)
nOut[0] = nNewSize;
bPos = bOut;
// Copy up to where the replacement area begins
memcpy(bPos,bIn,nRepOff);
bPos += nRepOff; // Keep count
// Copy the new area here
memcpy(bPos,bFill,nFillLen);
bPos += nFillLen;
nTest++;
if (nTest==17)
nTest=0;
// Fill the rest of the data in
memcpy(bPos,bIn+nRepOff+nRepLength,nIn-nRepOff-nRepLength);
bPos += nIn-nRepLength;
// Done ! :D
nTest++;
return bOut;
}
//***************************************************************************** */
// CWSFMod::SetPackName()
//
// Purpose: Sets Pack NAme
//
// Author : [Josh Whelchel], Created : [2/15/2003 4:55:51 PM]
// Parameters:
//
// [*cName] :
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::SetPackName( char *cName )
{
strncpy(m_cCurPack,cName,26);
m_cCurPack[26] = 0;
return 0;
}
//***************************************************************************** */
// CWSFMod::LoadPack()
//
// Purpose: Loads Pack
//
// Author : [Josh Whelchel], Created : [2/15/2003 5:04:03 PM]
// Parameters:
//
// [*cName] :
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::LoadPack( char *cName )
{
strncpy(m_cCurPack,cName,26);
m_cCurPack[26] = 0;
m_wPack->LoadPack(cName,NULL,0);
return 0;
}
#ifndef WSFNOSAVE
//***************************************************************************** */
// CWSFMod::SavePack()
//
// Purpose: Saves Pack
//
// Author : [Josh Whelchel], Created : [2/16/2003 10:53:06 AM]
// Parameters:
//
// [void] :
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::SavePack( int nComp )
{
return m_wPack->SavePack(m_cCurPack,(wsfb)nComp);
}
#endif
//////////////////////////////////////////////////////
// CWSFMod::ReplaceSamplesForSave()
//
// Author:
/// \author Josh Whelchel
/// \date 2/23/2003 5:37:08 PM
/// \param *wOut MOD Out Buffer
/// \param xBL Loader
/// \brief Prepares MOD Data buffer for save
///
//
//////////////////////////////////////////////////////
int CWSFMod::ReplaceSamplesForSave( wsf_modout *wOut, CBaseLoader *xBL, wsf_loaddata *wLD )
{
wsul nSize;
wsfb *bDat;
wsul i;
wsul *nOffs;
int nSub;
// Copy over MOD Data
nSize = wLD->nModSize;
bDat = (wsfb*)malloc(nSize);
memcpy(bDat,wLD->bModData,nSize);
nSub = 0;
if (wLD->nSampleOffsets[0] == 0)
{
wsf_gspdata gD;
xBL->GetSamplePointers(bDat,nSize,&gD);
nOffs = (wsul*)malloc(sizeof(wsul)*wLD->nSamples);
memcpy(nOffs,gD.nSampOffs,sizeof(wsul)*wLD->nSamples);
FreeGSPData(&gD);
}
else
nOffs = wLD->nSampleOffsets;
// Mess with MOD Data until we have the samples refilled
for (i=0;i<wLD->nSamples;i++)
{
wsfb *bNew;
wsul nNew;
wsul nSOff;
// Get Offset
nSOff = nOffs[i];
if (!wLD->bSamples[i].bSampData){
free(nOffs);
free(bDat);
return 1;
}
// Replace Data
if (wLD->bSamples[i].nSize >= 1)
{
bNew = xBL->ReplaceData(bDat,nSize,&nNew,nSOff,4,wLD->bSamples[i].bSampData,wLD->bSamples[i].nSize);
free(bDat);
bDat = bNew;
nSize = nNew;
nSub += 4-wLD->bSamples[i].nSize;
}else{
if (m_bHi < 2)
continue;
free(nOffs);
free(bDat);
return 1;
}
}
if (wLD->nSampleOffsets != nOffs)
free(nOffs);
wOut->bModData = bDat;
wOut->nSize = nSize;
return 0;
}
//***************************************************************************** */
// CWSFMod::WriteMod()
//
// Purpose: Saves mod
//
// Author : [Josh Whelchel], Created : [2/12/2003 1:08:36 PM]
// Parameters:
//
// [*wOut] :
// [nWSF] : Save as WSF if true, otherwise use Mod Type
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::WriteMod( wsf_modout *wOut, int nWSF, int *nSCounts )
{
int nr;
CBaseLoader *xBL;
// Calculate size :x
wOut->bModData = (wsfb*)malloc(0);
wOut->nSize = 0;
#ifndef WSFNOSAVE
if (nWSF){
xBL = (CBaseLoader*)new CWSFLoader;
((CWSFLoader*)xBL)->SetPack(m_cCurPack,m_wPack);
// ((CWSFLoader*)xBL)->SetPack(m_fPack);
#ifdef WINWSF
g_mStatus->SetSubProgressSteps((2+m_wPack->GetNumSamples())*m_wLD.nSamples);
#endif
nr = ((CWSFLoader*)xBL)->Save(wOut,&m_wLD,nSCounts);
delete xBL;
}
else
#endif
{
xBL = GetBaseLoader(m_nModType);
if (!xBL)
return 1;
// Return value is important.
nr = xBL->Save(wOut,&m_wLD);
// Do Replace Samples HERE
if (!nr)
nr = ReplaceSamplesForSave(wOut,xBL,&m_wLD);
else
nr -= 1;
xBL->RestoreSampleEdit(&m_wLD);
delete xBL;
}
return nr;
}
//***************************************************************************** */
// CWSFMod::LoadMod()
//
// Purpose: Loads Mod
//
// Author : [Josh Whelchel], Created : [2/12/2003 11:23:11 AM]
// Parameters:
//
// [*cFileName] :
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::LoadMod( char *cFileName, int nFreePack, wsul *nOSamps, wsul nPackOff, wsul nPackSize )
{
wsf_file *wf;
int nR;
wf = wsfopenfile(cFileName);
if (!wf)
return 1;
nR = LoadMod(wf,nFreePack,nOSamps,GetModType(cFileName),nPackOff,nPackSize);
wsfclose(wf);
return nR;
}
int CWSFMod::LoadMod( wsfb *bData, wsul nSize, int nFreePack, wsul *nOSamps, int nType, wsul nPackOff, wsul nPackSize )
{
wsf_file *wf;
int nR;
wf = wsfopenmem(bData,nSize);
if (!wf)
return 1;
nR = LoadMod(wf,nFreePack,nOSamps,nType,nPackOff,nPackSize);
wsfclose(wf);
return nR;
}
int CWSFMod::LoadMod( wsf_file *wf, int nFreePack, wsul *nOSamps, int nType, wsul nPackOff, wsul nPackSize )
{
int nR;
CBaseLoader *xBL;
wsfb *bMD;
wsul nMD;
FreeMod();
m_wLD.nPackOffset = nPackOff;
m_wLD.nPackSize = nPackSize;
m_bHi = 0;
m_bLo = 0;
if (nOSamps)
nOSamps[0] = 666; /// 666 = Number could not be retrieved :/
// Get Mod Type
m_wLD.nModType = nType;
if (m_wLD.nModType == WSFM_WTF) // Interchangeable format
m_wLD.nModType = WSFM_WSF; // Set to WSF
// Mod not found
if (m_wLD.nModType == WSFM_NONE)
return 1;
m_nModType = m_wLD.nModType;
nMD = wf->nSize;
bMD = (wsfb*)malloc(nMD);
wsfread(bMD,nMD,wf);
nR = 1;
xBL = NULL;
xBL = GetBaseLoader(m_wLD.nModType);
if (xBL)
{
if (wf->cF)
xBL->SetFileName(wf->cF);
else
xBL->SetFileName("");
if (m_wLD.nModType == WSFM_WSF){
((CWSFLoader*)xBL)->SetPack(m_cCurPack,m_wPack);
((CWSFLoader*)xBL)->SetPack(m_fPack);
((CWSFLoader*)xBL)->SetFreePack(nFreePack);
}
nR = xBL->Load(bMD,nMD,&m_wLD);
m_bHi = xBL->m_bHi;
m_bLo = xBL->m_bLo;
delete xBL;
}
free(bMD);
strcpy(m_cModTitle,m_wLD.cTitle);
m_nModType = m_wLD.nModType;
if (nOSamps)
nOSamps[0] = m_wLD.nSamples;
if (nR == 0)
m_nLoaded = 1;
return nR;
}
//////////////////////////////////////////////////////
// CWSFMod::SetPassSum()
//
// Author:
/// \author Josh Whelchel
/// \date 4/5/2003 11:07:38 AM
/// \param nPassSum Password Sum
//
//////////////////////////////////////////////////////
void CWSFMod::SetPassSum( int nPassSum )
{
m_wPack->SetPassSum(nPassSum);
}
//***************************************************************************** */
// CWSFMod::FreeMod()
//
// Purpose: Frees Mod
//
// Author : [Josh Whelchel], Created : [2/15/2003 4:53:43 PM]
// Parameters:
//
// [void] :
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::FreeMod( void )
{
unsigned int i;
if (!m_nLoaded)
return 1;
if (m_wLD.bSamples)
{
for (i=0;i<m_wLD.nSamples;i++){
if (m_wLD.bSamples[i].bSampData)
free(m_wLD.bSamples[i].bSampData); // Free only if we need to!
}
}
if (m_wLD.bModData)
free(m_wLD.bModData);
if (m_wLD.bSamples)
free(m_wLD.bSamples);
if (m_wLD.nSampleSizes)
free(m_wLD.nSampleSizes);
memset(&m_wLD,0,sizeof(m_wLD));
m_nLoaded = 0;
m_nModType = 0;
return 0;
}
//***************************************************************************** */
// CWSFMod::FreePack()
//
// Purpose: Frees the pack
//
// Author : [Josh Whelchel], Created : [2/16/2003 12:12:55 PM]
// Parameters:
//
// [void] :
//
// Returns: int
//
//***************************************************************************** */
int CWSFMod::FreePack( void )
{
m_cCurPack[0] = 0;
return m_wPack->FreePack();
}
#ifndef WSFNOASCII
//***************************************************************************** */
// *DoReplace()
//
// Purpose: Replaces actual point in string
//
// Author : [Josh Whelchel], Created : [5/30/2002 5:13:15 PM]
// Parameters:
//
// [*cStr] : String
// [*cStart] : Start of old
// [*cNew] : New String
// [nNewSize] : New String Size
// [nSize] : Full Size
//
// Returns: char
//
//***************************************************************************** */
/// Replaces the area of cStart with cNew in cStr
/// \param cStr String
/// \param cStart Start of old string
/// \param cNew New String
/// \param nNewSize New Size
/// \param nSize Full Size
/// \param cNS Gets location of new 'afterspot'
/// \param nStartSize Offset of beginning replacement area
/// \relates CWSFAscii
char *DoReplace( char *cStr, char *cStart, char *cNew, int nStartSize, int nNewSize, int nSize, char **cNS )
{
int nBLen;
int nOLen;
char *cOut;
char *cOld;
// Find length of string before cStart
nBLen = (int)(cStart-cStr);
// Find Length of string after cStart
nOLen = (int)nSize-1-(nBLen+nStartSize);
cOld = (char*)malloc(nOLen+1);
// Put in old text
strcpy(cOld,(char*)(cStr+(nBLen+nStartSize)));
cOut = (char*)realloc(cStr,nSize-nStartSize+nNewSize);
cOut[nBLen] = '\0';
// Append New Text
strncat(cOut,cNew,nNewSize);
// Append Old Text
strcat(cOut,cOld);
// Free Old Text
free(cOld);
// Fill location of new afterspot
*cNS = (char*)(cOut+nBLen+nNewSize);
// Return New Text
return cOut;
}
//***************************************************************************** */
// *ReplaceStr()
//
// Purpose: Replaces cFind with cNew in cStr
//
// Author : [Josh Whelchel], Created : [5/30/2002 5:03:24 PM]
//
// Returns: char
//
//***************************************************************************** */
/// Replaces cFind with cNew in cStr
/// \param cStr Input String
/// \param cFind String to Find
/// \param cNew String to replace
/// \relates CWSFAscii
char *ReplaceStr( char *cStr, char *cFind, char *cNew )
{
char *cTemp;
char *cCmd;
int nNSize;
int nFSize;
int nSize;
int nDiff;
int nC;
cCmd = cStr;
nNSize = strlen(cNew);
nFSize = strlen(cFind);
nSize = strlen(cCmd);
nDiff = abs(nFSize-nNSize);
nC = 0;
// Find diffrence in strings
cTemp = strstr(cCmd,cFind);
while (cTemp != NULL)
{
char *cStart;
int xSize;
xSize = nSize+(nDiff*nC)+1;
// Replace
cCmd = DoReplace(cCmd,cTemp,cNew,nFSize,nNSize,xSize,&cStart);
cTemp = strstr(cStart,cFind);
nC++;
}
return cCmd;
}
//////////////////////////////////////////////////////
// MakeTitleFromTags()
//
// Author:
/// \author Josh Whelchel
/// \date 4/7/2003 10:57:58 AM
/// \param nInTags # of tags
/// \param **cInTags The tag array
/// \param **cInVals The value array
/// \param *cTitle Output Buffer
/// \param *cTitleFmt Format specifing %tagname% etc
/// \brief Creates a title based on given tags replacing %tagname% with the tagvalue given.
///
//
//////////////////////////////////////////////////////