//----------------------------------------------------------------------------
//  EgalTech 2015-2015
//----------------------------------------------------------------------------
// File : EXE_Photo.cpp         Data : 05.10.15        Versione : 1.6j1
// Contenuto : Funzioni per gestione fotografia.
//
//
//
// Modifiche : 05.10.15 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "PhotoObj.h"
#include "EXE.h"
#include "EXE_Macro.h"
#include "/EgtDev/Include/EXeExecutor.h"
#include "/EgtDev/Include/EXeConst.h"

using namespace std ;

//----------------------------------------------------------------------------
int
ExeAddPhoto( const string& sName, const string& sPath,
             const Point3d& ptOri, const Point3d& ptCen, double dMMxPixel,
             int nParentId, const Point3d& ptMin, const Point3d& ptMax)
{
   IGeomDB* pGeomDB = GetCurrGeomDB() ;
   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
   IEGrScene* pScene = GetCurrScene() ;
   VERIFY_SCENE( pScene, GDB_ID_NULL)
  // Carico la texture
   if ( ! pScene->UnloadTexture( sName)  ||
        ! pScene->LoadTexture( sName, sPath, dMMxPixel, 0, 0, TXR_CLAMP))
      return GDB_ID_NULL ;
  // Recupero le dimensioni fisiche
   double dDimX, dDimY ;
   pScene->GetTextureDimensions( sName, dDimX, dDimY) ;
  // Inserisco la regione rettangolare della foto (tutti i dati sono in Globale)
   Point3d ptIni = ptOri ;
   Point3d ptCross = ptIni + Vector3d( dDimX, dDimY, 0) ;
   ptIni.x = max( ptIni.x, ptMin.x) ;
   ptIni.y = max( ptIni.y, ptMin.y) ;
   ptCross.x = min( ptCross.x, ptMax.x) ;
   ptCross.y = min( ptCross.y, ptMax.y) ;
   int nId  = ExeCreateSurfFrRectangle( nParentId, ptIni, ptCross, RTY_GLOB) ;
   if ( nId == GDB_ID_NULL) {
      ExeUnloadTexture( sName) ;
      return GDB_ID_NULL ;
   }
  // Assegno gli attributi
   pGeomDB->SetMaterial( nId, WHITE) ;
   pGeomDB->SetName( nId, sName) ;
  // Assegno i dati della texture
   pGeomDB->SetTextureName( nId, sName) ;
   pGeomDB->SetTextureFrame( nId, Frame3d(ptOri)) ;
  // Installo e inizializzo il gestore della foto
   PhotoObj* pPhoto = new(nothrow) PhotoObj ;
   if ( pPhoto == nullptr) {
      pScene->UnloadTexture( sName) ;
      return GDB_ID_NULL ;
   }
   pPhoto->Set( sName, sPath, ptOri, ptCen, dDimX, dDimY) ;
   pGeomDB->SetUserObj( nId, pPhoto) ;
   ExeSetModified() ;
   return nId ;
}

//----------------------------------------------------------------------------
bool
ExeGetPhotoPath( int nId, string& sPath)
{
   IGeomDB* pGeomDB = GetCurrGeomDB() ;
   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
  // recupero il gestore dei dati della fotografia dell'oggetto
   PhotoObj* pPhoto = dynamic_cast<PhotoObj*>( pGeomDB->GetUserObj( nId)) ;
   if ( pPhoto == nullptr)
      return false ;
  // recupero la path della fotografia
   return pPhoto->GetPath( sPath) ;
}

//----------------------------------------------------------------------------
bool
ExeChangePhotoPath( int nId, const string& sPath)
{
   IGeomDB* pGeomDB = GetCurrGeomDB() ;
   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
  // recupero il gestore dei dati della fotografia dell'oggetto
   PhotoObj* pPhoto = dynamic_cast<PhotoObj*>( pGeomDB->GetUserObj( nId)) ;
   if ( pPhoto == nullptr)
      return false ;
  // imposto la nuova path della fotografia
   return pPhoto->ChangePath( sPath) ;
}