EgtExecutor 1.8g1 :

- aggiunta gestione immagini (inizialmente solo recupero dimensioni in pixel).
2017-07-07 15:58:49 +00:00
parent c1c4e5a66f
commit 2f9333d29a
10 changed files with 131 additions and 6 deletions
@@ -0,0 +1,53 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2017-2017
+//----------------------------------------------------------------------------
+// File : LUA_Image.cpp       Data : 05.07.17        Versione : 1.8g1
+// Contenuto : Funzioni sulle immagini per LUA.
+//
+//
+//
+// Modifiche : 05.07.17 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+//--------------------------- Include ----------------------------------------
+#include "stdafx.h"
+#include "LUA.h"
+#include "/EgtDev/Include/EXeExecutor.h"
+#include "/EgtDev/Include/EGkLuaAux.h"
+#include "/EgtDev/Include/EgnStringUtils.h"
+
+using namespace std ;
+
+//-------------------------------------------------------------------------------
+static int
+LuaGetImagePixels( lua_State* L)
+{
+  // 1 parametro : sFile
+   string sFile ;
+   LuaCheckParam( L, 1, sFile)
+   LuaClearStack( L) ;
+  // recupero la dimensione in pixels dell'immagine
+   int nPixelX, nPixelY ;
+   bool bOk = ExeGetImagePixels( sFile, nPixelX, nPixelY) ; 
+  // restituisco il risultato
+   if ( bOk) {
+      LuaSetParam( L, nPixelX) ;
+      LuaSetParam( L, nPixelY) ;
+      return 2 ;
+   }
+   else {
+      LuaSetParam( L) ;
+      return 1 ;
+   }
+}
+
+//-------------------------------------------------------------------------------
+bool
+LuaInstallImage( LuaMgr& luaMgr)
+{
+   bool bOk = ( &luaMgr != nullptr) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtGetImagePixels", LuaGetImagePixels) ;
+   return bOk ;
+}