some != NULL checks

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

diff --git a/src/common/imaggif.cpp b/src/common/imaggif.cpp
index 07a1067ca30469815187d96b1af7466042501b0a..717e9673901ab0dbfbb0d0582c8078c79430e636 100644 (file)
--- a/src/common/imaggif.cpp
+++ b/src/common/imaggif.cpp
@@ -44,27 +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()) != wxGIF_OK)
+    if ((error != wxGIF_OK) && (error != wxGIF_TRUNCATED))
     {
         if (verbose)
         {
             switch (error)
             {
-                case wxGIF_INVFORMAT: wxLogError(_("wxGIFHandler: error in GIF image format")); break;
-                case wxGIF_MEMERR:    wxLogError(_("wxGIFHandler: couldn't allocate enough memory")); break;
-                default:              wxLogError(_("wxGIFHandler: unknown error !!!"));
+                case wxGIF_INVFORMAT:
+                    wxLogError(_("wxGIFHandler: error in GIF image format."));
+                    break;
+                case wxGIF_MEMERR:
+                    wxLogError(_("wxGIFHandler: not enough memory."));
+                    break;
+                default:
+                    wxLogError(_("wxGIFHandler: unknown error!!!"));
+                    break;
             }
         }
         delete decod;
         return FALSE;
     }
 
-    image->Destroy();
-    ok = decod->ConvertToImage(image);
+    if ((error == wxGIF_TRUNCATED) && verbose)
+    {
+        wxLogError(_("wxGIFHandler: data stream seems to be truncated."));
+        /* go on; image data is OK */
+    }
 
+    ok = decod->ConvertToImage(image);
     delete decod;
+
     return ok;
 }
 
@@ -84,8 +97,8 @@ bool wxGIFHandler::DoCanRead( wxInputStream& stream )
 
     decod = new wxGIFDecoder(&stream);
     ok = decod->CanRead();
-
     delete decod;
+
     return ok;
 }