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moved wxOverlay into overlay.* files and out of dc.h/dcbase.cpp; implemented wxOverlay for wxDirectFB port

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42340 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2006-10-24 12:29:14 +00:00
parent f8bf59a9f2
commit 30c841c84d
28 changed files with 1091 additions and 502 deletions
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68
include/wx/dc.h
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@@ -968,72 +968,4 @@ private:
DECLARE_NO_COPY_CLASS(wxDCClipper)
};
// ----------------------------------------------------------------------------
// creates an overlay over an existing window, allowing for manipulations like
// rubberbanding etc. this API is not stable yet, not to be used outside wx
// internal code
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxOverlayImpl;
class WXDLLEXPORT wxWindowDC;
class WXDLLEXPORT wxOverlay
{
public:
wxOverlay();
~wxOverlay();
// clears the overlay without restoring the former state
// to be done eg when the window content has been changed and repainted
void Reset();
private:
friend class WXDLLEXPORT wxDCOverlay;
// returns true if it has been setup
bool IsOk();
void Init(wxWindowDC* dc, int x , int y , int width , int height);
void BeginDrawing(wxWindowDC* dc);
void EndDrawing(wxWindowDC* dc);
void Clear(wxWindowDC* dc);
wxOverlayImpl* m_impl;
bool m_inDrawing;
DECLARE_NO_COPY_CLASS(wxOverlay)
};
class WXDLLEXPORT wxDCOverlay
{
public:
// connects this overlay to the corresponding drawing dc, if the overlay is not initialized yet
// this call will do so
wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height);
// convenience wrapper that behaves the same using the entire area of the dc
wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc);
// removes the connection between the overlay and the dc
virtual ~wxDCOverlay();
// clears the layer, restoring the state at the last init
void Clear();
private:
void Init(wxWindowDC *dc, int x , int y , int width , int height);
wxOverlay& m_overlay;
wxWindowDC* m_dc;
DECLARE_NO_COPY_CLASS(wxDCOverlay)
};
#endif // _WX_DC_H_BASE_