// macros
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
-#endif
// ----------------------------------------------------------------------------
// global variables
m_canvas = the_canvas;
m_hDC = (WXHDC) ::GetDC(GetWinHwnd(the_canvas));
+ // the background mode is only used for text background
+ // and is set in DrawText() to OPAQUE as required, other-
+ // wise always TRANSPARENT, RR
+ ::SetBkMode( GetHdc(), TRANSPARENT );
+
SetBackground(wxBrush(m_canvas->GetBackgroundColour(), wxSOLID));
}
wxPaintDC::wxPaintDC(wxWindow *canvas)
{
- wxCHECK_RET( canvas, _T("NULL canvas in wxPaintDC ctor") );
+ wxCHECK_RET( canvas, wxT("NULL canvas in wxPaintDC ctor") );
#ifdef __WXDEBUG__
if ( g_isPainting <= 0 )
{
- wxFAIL_MSG( _T("wxPaintDC may be created only in EVT_PAINT handler!") );
+ wxFAIL_MSG( wxT("wxPaintDC may be created only in EVT_PAINT handler!") );
return;
}
ms_cache.Add(new wxPaintDCInfo(m_canvas, this));
}
+ // the background mode is only used for text background
+ // and is set in DrawText() to OPAQUE as required, other-
+ // wise always TRANSPARENT, RR
+ ::SetBkMode( GetHdc(), TRANSPARENT );
+
SetBackground(wxBrush(m_canvas->GetBackgroundColour(), wxSOLID));
}
size_t index;
wxPaintDCInfo *info = FindInCache(&index);
- wxCHECK_RET( info, _T("existing DC should have a cache entry") );
+ wxCHECK_RET( info, wxT("existing DC should have a cache entry") );
if ( !--info->count )
{
::EndPaint(GetWinHwnd(m_canvas), &g_paintStruct);
ms_cache.Remove(index);
+
+ // Reduce the number of bogus reports of non-freed memory
+ // at app exit
+ if (ms_cache.IsEmpty())
+ ms_cache.Clear();
}
//else: cached DC entry is still in use