EgtExecutor/DllGraphics.cpp

//----------------------------------------------------------------------------
//  EgalTech 2015-2015
//----------------------------------------------------------------------------
// File : DllGraphics.cpp       Data : 27.03.15        Versione : 1.6c9
// Contenuto : Funzioni di gestione della libreria opzionale EgtGraphics.
//
//
//
// Modifiche : 27.03.15 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "EXE.h"
#include "DllGraphics.h"
#include "/EgtDev/Include/EGrDllMain.h"
#define NOMINMAX
#include <windows.h>

using namespace std ;

//-----------------------------------------------------------------------------
// Nome della libreria
#if defined( _WIN64) &&  defined( _DEBUG)
   static const wchar_t* EGR_NAME = L"EgtGraphicsD64.dll" ;
#elif defined( _WIN64)
   static const wchar_t* EGR_NAME = L"EgtGraphicsR64.dll" ;
#elif defined( _WIN32) &&  defined( _DEBUG)
   static const wchar_t* EGR_NAME = L"EgtGraphicsD32.dll" ;
#else
   static const wchar_t* EGR_NAME = L"EgtGraphicsR32.dll" ;
#endif
// Nome delle funzioni caricate
static const char* EGR_SETEGRLOGGER = "SetEGrLogger" ;
static const char* EGR_GETEGRVERSION = "GetEGrVersion" ;
static const char* EGR_SETEGRKEY = "SetEGrKey" ;
static const char* EGR_CREATEEGRSCENE = "CreateEGrScene" ;
static const char* EGR_CREATESCEEXECUTOR = "CreateSceExecutor" ;
static const char* EGR_CREATEEGRIMAGEMGR = "CreateEgrImageMgr" ;


//-----------------------------------------------------------------------------
HMODULE s_hEGr = nullptr ;

//-----------------------------------------------------------------------------
bool
LoadGraphicsDll( ILogger* pLogger, const string& sKey)
{
  // verifico la chiave
   if ( ! TestKeyForEGr( sKey, 0, pLogger)) {
      FreeGraphicsDll() ;
      return false ;
   }
  // se già caricata
   if ( s_hEGr != nullptr)
      return true ;
  // carico la libreria EgtGraphics
   s_hEGr = LoadLibrary( EGR_NAME) ;
   if ( s_hEGr == nullptr)
      return false ;
  // imposto logger
   MySetEGrLogger( pLogger) ;
  // imposto i codici della chiave
   MySetEGrKey( sKey) ;
   return true ;
}

//-----------------------------------------------------------------------------
bool
FreeGraphicsDll( void)
{
  // se non è già caricata
   if ( s_hEGr == nullptr)
      return true ;
  // libero la libreria EgtGraphics
   FreeLibrary( s_hEGr) ;
   s_hEGr = nullptr ;
   return true ;
}

//-----------------------------------------------------------------------------
bool
IsLoadedGraphicsDll( void)
{
   return ( s_hEGr != nullptr) ;
}

//-----------------------------------------------------------------------------
void
MySetEGrLogger( ILogger* pLogger)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEGr == nullptr)
      return ;
  // recupero funzione che imposta il logger
   typedef void (* PF_SetEMkLogger) ( ILogger* pLogger) ;
   PF_SetEMkLogger pFun = (PF_SetEMkLogger)GetProcAddress( s_hEGr, EGR_SETEGRLOGGER) ;
   if ( pFun == nullptr)
      return ;
   pFun( pLogger) ;
}

//-----------------------------------------------------------------------------
const char*
MyGetEGrVersion( void)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEGr == nullptr)
      return "" ;
  // recupero funzione che restituisce la versione della libreria
   typedef const char* (* PF_GetEGrVersion) ( void) ;
   PF_GetEGrVersion pFun = (PF_GetEGrVersion)GetProcAddress( s_hEGr, EGR_GETEGRVERSION) ;
   if ( pFun == nullptr)
      return "" ;
   return pFun() ;
}

//-----------------------------------------------------------------------------
void
MySetEGrKey( const string& sKey)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEGr == nullptr)
      return ;
  // recupero funzione che imposta i codici di protezione
   typedef void (* PF_SetEGrKey) ( const string& sKey) ;
   PF_SetEGrKey pFun = (PF_SetEGrKey)GetProcAddress( s_hEGr, EGR_SETEGRKEY) ;
   if ( pFun == nullptr)
      return ;
   pFun( sKey) ;
}

//-----------------------------------------------------------------------------
IEGrScene*
MyCreateEGrScene( void)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEGr == nullptr)
      return nullptr ;
  // recupero funzione creazione oggetto
   typedef IEGrScene* (* PF_CreateEGrScene) ( void) ;
   PF_CreateEGrScene pFun = (PF_CreateEGrScene)GetProcAddress( s_hEGr, EGR_CREATEEGRSCENE) ;
   if ( pFun == nullptr)
      return nullptr ;
   return pFun() ;
}

//-----------------------------------------------------------------------------
ISceExecutor*
MyCreateSceExecutor( void)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEGr == nullptr)
      return nullptr ;
  // recupero funzione creazione oggetto
   typedef ISceExecutor* (* PF_CreateSceExecutor) ( void) ;
   PF_CreateSceExecutor pFun = (PF_CreateSceExecutor)GetProcAddress( s_hEGr, EGR_CREATESCEEXECUTOR) ;
   if ( pFun == nullptr)
      return nullptr ;
   return pFun() ;
}

//-----------------------------------------------------------------------------
IEgrImageMgr*
MyCreateEgrImageMgr( void)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEGr == nullptr)
      return nullptr ;
  // recupero funzione creazione oggetto
   typedef IEgrImageMgr* (* PF_CreateEgrImageMgr) ( void) ;
   PF_CreateEgrImageMgr pFun = (PF_CreateEgrImageMgr)GetProcAddress( s_hEGr, EGR_CREATEEGRIMAGEMGR) ;
   if ( pFun == nullptr)
      return nullptr ;
   return pFun() ;
}