http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/msw/dcclient.h

@@ -0,0 +1,118 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        dcclient.h
+// Purpose:     wxClientDC class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// RCS-ID:      $Id: dcclient.h 53135 2008-04-12 02:31:04Z VZ $
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_DCCLIENT_H_
+#define _WX_DCCLIENT_H_
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/dc.h"
+#include "wx/dynarray.h"
+
+// ----------------------------------------------------------------------------
+// array types
+// ----------------------------------------------------------------------------
+
+// this one if used by wxPaintDC only
+struct WXDLLIMPEXP_FWD_CORE wxPaintDCInfo;
+
+WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
+
+// ----------------------------------------------------------------------------
+// DC classes
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxWindowDC : public wxDC
+{
+public:
+    // default ctor
+    wxWindowDC();
+
+    // Create a DC corresponding to the whole window
+    wxWindowDC(wxWindow *win);
+
+protected:
+    // initialize the newly created DC
+    void InitDC();
+
+    // override some base class virtuals
+    virtual void DoGetSize(int *width, int *height) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxWindowDC)
+};
+
+class WXDLLEXPORT wxClientDC : public wxWindowDC
+{
+public:
+    // default ctor
+    wxClientDC();
+
+    // Create a DC corresponding to the client area of the window
+    wxClientDC(wxWindow *win);
+
+    virtual ~wxClientDC();
+
+protected:
+    void InitDC();
+
+    // override some base class virtuals
+    virtual void DoGetSize(int *width, int *height) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxClientDC)
+};
+
+class WXDLLEXPORT wxPaintDC : public wxClientDC
+{
+public:
+    wxPaintDC();
+
+    // Create a DC corresponding for painting the window in OnPaint()
+    wxPaintDC(wxWindow *win);
+
+    virtual ~wxPaintDC();
+
+    // find the entry for this DC in the cache (keyed by the window)
+    static WXHDC FindDCInCache(wxWindow* win);
+
+protected:
+    static wxArrayDCInfo ms_cache;
+
+    // find the entry for this DC in the cache (keyed by the window)
+    wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxPaintDC)
+};
+
+/*
+ * wxPaintDCEx
+ * This class is used when an application sends an HDC with the WM_PAINT
+ * message. It is used in HandlePaint and need not be used by an application.
+ */
+
+class WXDLLEXPORT wxPaintDCEx : public wxPaintDC
+{
+public:
+    wxPaintDCEx(wxWindow *canvas, WXHDC dc);
+    virtual ~wxPaintDCEx();
+private:
+    int saveState;
+
+    DECLARE_CLASS(wxPaintDCEx)
+    DECLARE_NO_COPY_CLASS(wxPaintDCEx)
+};
+
+#endif
+    // _WX_DCCLIENT_H_