virtualized m_row/col height/widths arrays

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

diff --git a/src/common/imaggif.cpp b/src/common/imaggif.cpp
index e9a0fc880a39705c916a5996d1988774535df7e0..74e573df34173d361ac0f14d8891f24e64064aa2 100644 (file)
--- a/src/common/imaggif.cpp
+++ b/src/common/imaggif.cpp
@@ -7,13 +7,12 @@
 // 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>
+#include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #  pragma hdrstop
@@ -25,14 +24,13 @@
 
 #if 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
@@ -40,29 +38,42 @@ IMPLEMENT_DYNAMIC_CLASS(wxGIFHandler,wxImageHandler)
 
 #if wxUSE_STREAMS
 
-bool wxGIFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose )
+bool wxGIFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int WXUNUSED(index) )
 {
     wxGIFDecoder *decod;
     int error;
     bool ok;
 
     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(_T("wxGIFHandler: error in image format")); break;
-                case E_MEMORIA: wxLogError(_T("wxGIFHandler: couldn't allocate memory")); break;
-                default:        wxLogError(_T("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;
     }
 
+    if ((error == wxGIF_TRUNCATED) && verbose)
+    {
+        wxLogWarning(_("wxGIFHandler: data stream seems to be truncated."));
+        /* go on; image data is OK */
+    }
+
     image->Destroy();
     ok = decod->ConvertToImage(image);
 
@@ -74,12 +85,12 @@ bool wxGIFHandler::SaveFile( wxImage * WXUNUSED(image),
                              wxOutputStream& WXUNUSED(stream), bool verbose )
 {
     if (verbose)
-        wxLogDebug(_T("wxGIFHandler is read-only!!"));
+        wxLogDebug(wxT("wxGIFHandler is read-only!!"));
 
     return FALSE;
 }
 
-bool wxGIFHandler::CanRead( wxInputStream& stream )
+bool wxGIFHandler::DoCanRead( wxInputStream& stream )
 {
     wxGIFDecoder *decod;
     bool ok;