+ wxMacStringToPascal( filename , theName ) ;
+ Handle resHandle = GetNamedResource( 'icns' , theName ) ;
+ if ( resHandle != 0L )
+ {
+ IconFamilyHandle iconFamily = (IconFamilyHandle) resHandle ;
+ HLock((Handle) iconFamily);
+ OSStatus err = GetIconRefFromIconFamilyPtr( *iconFamily, GetHandleSize((Handle) iconFamily), &iconRef );
+ HUnlock((Handle) iconFamily);
+ if ( err != noErr )
+ {
+ wxFAIL_MSG("Error when constructing icon ref");
+ }
+
+ ReleaseResource( resHandle ) ;
+ }
+ }
+ if ( iconRef == NULL )
+ {
+ // TODO add other attempts to load it from files etc here
+ }
+ if ( iconRef )
+ {
+ m_refData = new wxIconRefData( (WXHICON) iconRef, desiredWidth, desiredHeight ) ;
+ return true ;
+ }
+ }
+
+ if ( theId != 0 )
+ {
+ IconRef iconRef = NULL ;
+ verify_noerr( GetIconRef( kOnSystemDisk, kSystemIconsCreator, theId, &iconRef ) ) ;
+ if ( iconRef )
+ {
+ m_refData = new wxIconRefData( (WXHICON) iconRef, desiredWidth, desiredHeight ) ;
+
+ return true ;
+ }
+ }
+
+ return false ;
+ }
+ else
+ {
+ wxBitmapHandler *handler = wxBitmap::FindHandler( type );
+
+ if ( handler )
+ {
+ wxBitmap bmp ;
+ if ( handler->LoadFile( &bmp , filename, type, desiredWidth, desiredHeight ))
+ {
+ CopyFromBitmap( bmp ) ;
+
+ return true ;
+ }
+
+ return false ;
+ }
+ else
+ {
+#if wxUSE_IMAGE
+ wxImage loadimage( filename, type );
+ if (loadimage.Ok())
+ {
+ if ( desiredWidth == -1 )
+ desiredWidth = loadimage.GetWidth() ;
+ if ( desiredHeight == -1 )
+ desiredHeight = loadimage.GetHeight() ;
+ if ( desiredWidth != loadimage.GetWidth() || desiredHeight != loadimage.GetHeight() )
+ loadimage.Rescale( desiredWidth , desiredHeight ) ;
+
+ wxBitmap bmp( loadimage );
+ CopyFromBitmap( bmp ) ;
+
+ return true;
+ }
+#endif
+ }
+ }
+ return true ;
+}
+
+void wxIcon::CopyFromBitmap( const wxBitmap& bmp )
+{
+ UnRef() ;
+
+ // as the bitmap owns that ref, we have to acquire it as well
+ IconRef iconRef = bmp.CreateIconRef() ;
+ m_refData = new wxIconRefData( (WXHICON) iconRef, bmp.GetWidth(), bmp.GetHeight() ) ;