+///////////////////////////////////////////////////////////////////////////////
+// Name: src/generic/panelg.cpp
+// Purpose: Generic wxPanel implementation.
+// Author: Vadim Zeitlin
+// Created: 2011-03-20
+// RCS-ID: $Id: wxhead.cpp,v 1.11 2010-04-22 12:44:51 zeitlin Exp $
+// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence: wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifdef wxHAS_GENERIC_PANEL
+
+#ifndef WX_PRECOMP
+ #include "wx/dc.h"
+ #include "wx/panel.h"
+#endif // WX_PRECOMP
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+void wxPanel::DoSetBackgroundBitmap(const wxBitmap& bmp)
+{
+ m_bitmapBg = bmp;
+
+ if ( m_bitmapBg.IsOk() )
+ {
+ Connect(wxEVT_ERASE_BACKGROUND,
+ wxEraseEventHandler(wxPanel::OnEraseBackground));
+ }
+ else
+ {
+ Disconnect(wxEVT_ERASE_BACKGROUND,
+ wxEraseEventHandler(wxPanel::OnEraseBackground));
+ }
+}
+
+void wxPanel::OnEraseBackground(wxEraseEvent& event)
+{
+ wxDC& dc = *event.GetDC();
+
+ const wxSize clientSize = GetClientSize();
+ const wxSize bitmapSize = m_bitmapBg.GetSize();
+
+ for ( int x = 0; x < clientSize.x; x += bitmapSize.x )
+ {
+ for ( int y = 0; y < clientSize.y; y += bitmapSize.y )
+ {
+ dc.DrawBitmap(m_bitmapBg, x, y);
+ }
+ }
+}
+
+#endif // wxHAS_GENERIC_PANEL