add a critical section protecting ms_prev variables (replaces patch 1819224)

[wxWidgets.git] / include / wx / msw / metafile.h

diff --git a/include/wx/msw/metafile.h b/include/wx/msw/metafile.h
index 9d2ceaddad6934bfc53a71d4ba82cd7bfa69db02..0ef7398f882152938ee7fb6ea581337aa748c462 100644 (file)
--- a/include/wx/msw/metafile.h
+++ b/include/wx/msw/metafile.h
@@ -23,14 +23,14 @@
 // Metafile and metafile device context classes
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxMetafile;
+class WXDLLIMPEXP_FWD_CORE wxMetafile;
 
 class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData
 {
-    friend class WXDLLEXPORT wxMetafile;
+    friend class WXDLLIMPEXP_FWD_CORE wxMetafile;
 public:
     wxMetafileRefData();
-    ~wxMetafileRefData();
+    virtual ~wxMetafileRefData();
 
 public:
     WXHANDLE m_metafile;
@@ -44,7 +44,6 @@ class WXDLLEXPORT wxMetafile: public wxGDIObject
 {
 public:
     wxMetafile(const wxString& file = wxEmptyString);
-    wxMetafile(const wxMetafile& metafile) { Ref(metafile); }
     virtual ~wxMetafile();
 
     // After this is called, the metafile cannot be used for anything
@@ -52,7 +51,8 @@ public:
     virtual bool SetClipboard(int width = 0, int height = 0);
 
     virtual bool Play(wxDC *dc);
-    bool Ok() const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); };
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); };
 
     // set/get the size of metafile for clipboard operations
     wxSize GetSize() const { return wxSize(GetWidth(), GetHeight()); }
@@ -68,14 +68,6 @@ public:
     int GetWindowsMappingMode() const { return M_METAFILEDATA->m_windowsMappingMode; }
     void SetWindowsMappingMode(int mm);
 
-    // Operators
-    wxMetafile& operator=(const wxMetafile& metafile)
-        { if (*this != metafile) Ref(metafile); return *this; }
-    bool operator==(const wxMetafile& metafile) const
-        { return m_refData == metafile.m_refData; }
-    bool operator!=(const wxMetafile& metafile) const
-        { return m_refData != metafile.m_refData; }
-
 private:
     DECLARE_DYNAMIC_CLASS(wxMetafile)
 };
@@ -96,9 +88,11 @@ public:
     // Should be called at end of drawing
     virtual wxMetafile *Close();
     virtual void SetMapMode(int mode);
-    virtual void GetTextExtent(const wxString& string, long *x, long *y,
-            long *descent = NULL, long *externalLeading = NULL,
-            wxFont *theFont = NULL, bool use16bit = false) const;
+    virtual void DoGetTextExtent(const wxString& string,
+                                 wxCoord *x, wxCoord *y,
+                                 wxCoord *descent = NULL,
+                                 wxCoord *externalLeading = NULL,
+                                 const wxFont *theFont = NULL) const;
 
     // Implementation
     wxMetafile *GetMetaFile() const { return m_metaFile; }
@@ -107,6 +101,8 @@ public:
     void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
 
 protected:
+    virtual void DoGetSize(int *width, int *height) const;
+
     int           m_windowsMappingMode;
     wxMetafile*   m_metaFile;