reverted the fix for Unicode compilation with VC++ as it breaks other ports (and...

[wxWidgets.git] / src / common / imaggif.cpp

diff --git a/src/common/imaggif.cpp b/src/common/imaggif.cpp
index c487e75fa688e7dd29f577d0eb8aebbeba22cd47..b8a5229e2343eac696fbafb7e895d1ff03451b2b 100644 (file)
--- a/src/common/imaggif.cpp
+++ b/src/common/imaggif.cpp
@@ -7,10 +7,9 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-/*
-  We don't put pragma implement in this file because it is already present in
-  src/common/image.cpp
-*/
+#ifdef __GNUG__
+#pragma implementation "imaggif.h"
+#endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
@@ -23,16 +22,15 @@
 #  include "wx/defs.h"
 #endif
 
-#if wxUSE_GIF
+#if wxUSE_IMAGE && wxUSE_GIF
 
-#include "wx/image.h"
+#include "wx/imaggif.h"
 #include "wx/gifdecod.h"
 #include "wx/wfstream.h"
 #include "wx/log.h"
+#include "wx/intl.h"
 
-#if !USE_SHARED_LIBRARIES
 IMPLEMENT_DYNAMIC_CLASS(wxGIFHandler,wxImageHandler)
-#endif
 
 //-----------------------------------------------------------------------------
 // wxGIFHandler
@@ -46,27 +44,40 @@ bool wxGIFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose
     int error;
     bool ok;
 
+//    image->Destroy();
     decod = new wxGIFDecoder(&stream, TRUE);
+    error = decod->ReadGIF();
 
-    if ((error = decod->ReadGIF()) != E_OK)
+    if ((error != wxGIF_OK) && (error != wxGIF_TRUNCATED))
     {
         if (verbose)
         {
             switch (error)
             {
-                case E_FORMATO: wxLogError(_("GIF: Error in image format.")); break;
-                case E_MEMORIA: wxLogError(_("GIF: Couldn't allocate memory.")); break;
-                default:        wxLogError(_("GIF: Unknown error."));
+                case wxGIF_INVFORMAT:
+                    wxLogError(_("GIF: error in GIF image format."));
+                    break;
+                case wxGIF_MEMERR:
+                    wxLogError(_("GIF: not enough memory."));
+                    break;
+                default:
+                    wxLogError(_("GIF: unknown error!!!"));
+                    break;
             }
         }
         delete decod;
         return FALSE;
     }
 
-    image->Destroy();
-    ok = decod->ConvertToImage(image);
+    if ((error == wxGIF_TRUNCATED) && verbose)
+    {
+        wxLogError(_("GIF: data stream seems to be truncated."));
+        /* go on; image data is OK */
+    }
 
+    ok = decod->ConvertToImage(image);
     delete decod;
+
     return ok;
 }
 
@@ -74,7 +85,7 @@ bool wxGIFHandler::SaveFile( wxImage * WXUNUSED(image),
                              wxOutputStream& WXUNUSED(stream), bool verbose )
 {
     if (verbose)
-        wxLogDebug(wxT("wxGIFHandler is read-only!!"));
+        wxLogDebug(wxT("GIF: the handler is read-only!!"));
 
     return FALSE;
 }
@@ -86,8 +97,8 @@ bool wxGIFHandler::DoCanRead( wxInputStream& stream )
 
     decod = new wxGIFDecoder(&stream);
     ok = decod->CanRead();
-
     delete decod;
+
     return ok;
 }