wxWidgets-gif0delay.patch

   1 Protection against 0 (too short in general) delay in GIF animation.
   2 It caused xchm to hang just animating GIF without actually displaying anything.
   3 (affected wxgtk*; not wxx11univ not because of different implementation)
   4
   5 --- wxWidgets-2.5.3/src/html/m_image.cpp.orig   2004-09-28 13:18:36.000000000 +0200
   6 +++ wxWidgets-2.5.3/src/html/m_image.cpp        2005-02-20 21:06:55.564796160 +0100
   7 @@ -337,6 +337,11 @@
   8
   9      DECLARE_NO_COPY_CLASS(wxGIFTimer)
  10  };
  11 +
  12 +static int safedelay(int ms)
  13 +{
  14 +       return (ms >= 10) ? ms : 10;
  15 +}
  16  #endif
  17
  18
  19 @@ -390,7 +395,7 @@
  20                          if ( m_gifDecoder->IsAnimation() )
  21                          {
  22                              m_gifTimer = new wxGIFTimer(this);
  23 -                            m_gifTimer->Start(m_gifDecoder->GetDelay(), true);
  24 +                            m_gifTimer->Start(safedelay(m_gifDecoder->GetDelay()), true);
  25                          }
  26                          else
  27                          {
  28 @@ -517,7 +522,7 @@
  29          m_window->Refresh(img.HasMask(), &rect);
  30      }
  31
  32 -    timer->Start(m_gifDecoder->GetDelay(), true);
  33 +    timer->Start(safedelay(m_gifDecoder->GetDelay()), true);
  34  }
  35
  36  void wxHtmlImageCell::Layout(int w)