DC updates

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9726 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/dc.h

@@ -319,11 +319,9 @@ public:
     bool                            m_bOwnsDC:1;
 
     //
-    // our HDC and its usage count: we only free it when the usage count drops
-    // to 0
+    // our HDC
     //
     WXHDC                           m_hDC;
-    int                             m_nDCCount;
 
     //
     // Store all old GDI objects when do a SelectObject, so we can select them

include/wx/os2/dcclient.h

@@ -34,52 +34,53 @@ WX_DECLARE_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
 
 class WXDLLEXPORT wxWindowDC : public wxDC
 {
-    DECLARE_DYNAMIC_CLASS(wxWindowDC)
-
 public:
     wxWindowDC();
 
     // Create a DC corresponding to the whole window
-    wxWindowDC(wxWindow *win);
+    wxWindowDC(wxWindow* pWin);
 
-    virtual ~wxWindowDC();
+protected:
+    void InitDC(void);
 
 private:
-    HAB                     m_hab;
     SIZEL                   m_PageSize;
-};
+    DECLARE_DYNAMIC_CLASS(wxWindowDC)
+}; // end of CLASS wxWindowDC
 
 class WXDLLEXPORT wxClientDC : public wxWindowDC
 {
-    DECLARE_DYNAMIC_CLASS(wxClientDC)
-
 public:
     wxClientDC();
 
     // Create a DC corresponding to the client area of the window
     wxClientDC(wxWindow *win);
 
-    virtual ~wxClientDC();
-};
+private:
+    DECLARE_DYNAMIC_CLASS(wxClientDC)
+}; // end of CLASS wxClientDC
 
 class WXDLLEXPORT wxPaintDC : public wxWindowDC
 {
-    DECLARE_DYNAMIC_CLASS(wxPaintDC)
-
 public:
     wxPaintDC();
 
     // Create a DC corresponding for painting the window in OnPaint()
-    wxPaintDC(wxWindow *win);
+    wxPaintDC(wxWindow* pWin);
 
     virtual ~wxPaintDC();
 
+    // find the entry for this DC in the cache (keyed by the window)
+    static WXHDC FindDCInCache(wxWindow* pWin);
+
 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;
-};
+    wxPaintDCInfo* FindInCache(size_t* pIndex = NULL) const;
+private:
+    DECLARE_DYNAMIC_CLASS(wxPaintDC)
+}; // end of wxPaintDC
 
 #endif
     // _WX_DCCLIENT_H_

include/wx/os2/dcmemory.h

@@ -16,17 +16,28 @@
 
 class WXDLLEXPORT wxMemoryDC: public wxDC
 {
-    DECLARE_DYNAMIC_CLASS(wxMemoryDC)
-
 public:
     wxMemoryDC(void);
     wxMemoryDC(wxDC* pDC); // Create compatible DC
 
-    ~wxMemoryDC(void);
     virtual void SelectObject(const wxBitmap& rBitmap);
+protected:
+    // override some base class virtuals
+    virtual void DoDrawRectangle( wxCoord vX
+                                 ,wxCoord vY
+                                 ,wxCoord vWidth
+                                 ,wxCoord vHeight
+                                );
     virtual void DoGetSize( int* pWidth
                            ,int* pHeight
                           ) const;
+    // create DC compatible with the given one or screen if dc == NULL
+    bool CreateCompatible(wxDC* pDC);
+
+    // initialize the newly created DC
+    void Init(void);
+private:
+    DECLARE_DYNAMIC_CLASS(wxMemoryDC)
 }; // end of CLASS wxMemoryDC
 
 #endif

include/wx/os2/dcprint.h

@@ -20,29 +20,50 @@
 class WXDLLEXPORT wxPrinterDC: public wxDC
 {
  public:
-  DECLARE_CLASS(wxPrinterDC)
-
     // Create a printer DC [obsolete]
-   wxPrinterDC(const wxString& driver, const wxString& device, const wxString& output, bool interactive = TRUE, int orientation = wxPORTRAIT);
+    wxPrinterDC( const wxString& rsDriver
+                ,const wxString& rsDevice
+                ,const wxString& rsOutput
+                ,bool            bInteractive = TRUE
+                ,int             nOrientation = wxPORTRAIT
+               );
 
     // Create from print data
-   wxPrinterDC(const wxPrintData& data);
+    wxPrinterDC(const wxPrintData& rData);
+    wxPrinterDC(WXHDC hTheDC);
 
-   wxPrinterDC(WXHDC theDC);
-
-   ~wxPrinterDC();
-
-    bool StartDoc(const wxString& message);
+    bool StartDoc(const wxString& rsMessage);
     void EndDoc(void);
     void StartPage(void);
     void EndPage(void);
 
 protected:
+    virtual void DoDrawBitmap( const wxBitmap& rBmp
+                              ,wxCoord         vX
+                              ,wxCoord         vY
+                              ,bool            bUseMask = FALSE
+                             );
+    virtual bool DoBlit( wxCoord vXdest
+                        ,wxCoord vYdest
+                        ,wxCoord vWidth
+                        ,wxCoord vHeight
+                        ,wxDC*   pSource
+                        ,wxCoord vXsrc
+                        ,wxCoord vYsrc
+                        ,int     nRop = wxCOPY
+                        ,bool    bUseMask = FALSE
+                       );
+
+    // init the dc
+    void Init(void);
+
     wxPrintData                     m_printData;
-};
+private:
+    DECLARE_CLASS(wxPrinterDC)
+}; // end of CLASS wxPrinterDC
 
 // Gets an HDC for the specified printer configuration
-WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& data);
+WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& rData);
 
 #endif // wxUSE_PRINTING_ARCHITECTURE
 

include/wx/os2/dcscreen.h

@@ -20,19 +20,18 @@
 
 class WXDLLEXPORT wxScreenDC: public wxWindowDC
 {
-  DECLARE_DYNAMIC_CLASS(wxScreenDC)
-
  public:
   // Create a DC representing the whole screen
   wxScreenDC();
-  ~wxScreenDC();
 
   // Compatibility with X's requirements for
   // drawing on top of all windows
   static bool StartDrawingOnTop(wxWindow* WXUNUSED(window)) { return TRUE; }
   static bool StartDrawingOnTop(wxRect* WXUNUSED(rect) = NULL) { return TRUE; }
   static bool EndDrawingOnTop() { return TRUE; }
-};
+private:
+  DECLARE_DYNAMIC_CLASS(wxScreenDC)
+}; // end of CLASS wxScreenDC
 
 #endif
     // _WX_DCSCREEN_H_