EgtGraphics 1.8i2 :

- corretta gestione trasparenza 0 (superfici e solidi completamente trasparenti).
2017-09-25 07:07:38 +00:00
parent ed80637dad
commit 4515deb8f9
3 changed files with 15 additions and 2 deletions
@@ -83,7 +83,7 @@ TextureMgr::LoadTexture( const string& sName, const string& sFile,
      return false ;

  // se necessario, converto l'immagine a 32 bit per pixel (BGRA)
-   int bitsPerPixel =  FreeImage_GetBPP( pDib) ;
+   int bitsPerPixel = FreeImage_GetBPP( pDib) ;
   if ( bitsPerPixel != 32) {
      FIBITMAP* pTmpDib = pDib ;
      pDib = FreeImage_ConvertTo32Bits( pTmpDib) ;
@@ -384,6 +384,15 @@ TextureMgr::TestImageWithOpenGL( FIBITMAP*& pDib)
      FreeImage_Unload( pTmpDib) ;
      nWidth = nNewW ;
      nHeight = nNewH ;
+     // verifico che la nuova immagine sia valida
+      if ( pDib == nullptr)
+         return false ;
+      if ( FreeImage_GetBits( pDib) == nullptr  ||
+           FreeImage_GetWidth( pDib) != nWidth  ||  FreeImage_GetHeight( pDib) != nHeight) {
+         FreeImage_Unload( pDib) ;
+         pDib = nullptr ;
+         return false ;
+      }
   }

  // verifico sia caricabile da OpenGL corrente