fix gcc warning about possibly uninitialized variables

[wxWidgets.git] / include / wx / mac / carbon / metafile.h

diff --git a/include/wx/mac/carbon/metafile.h b/include/wx/mac/carbon/metafile.h
index 93ff61d9e650d3a33863ef7ee3f1a1e7b36b3e6c..4188807b8a3c6326866c7557a18d7d6d6ac9c9ab 100644 (file)
--- a/include/wx/mac/carbon/metafile.h
+++ b/include/wx/mac/carbon/metafile.h
@@ -22,6 +22,8 @@
 #include "wx/dataobj.h"
 #endif
 
+#include "wx/mac/carbon/dcclient.h"
+
 /*
  * Metafile and metafile device context classes
  *
@@ -30,7 +32,7 @@
 #define wxMetaFile wxMetafile
 #define wxMetaFileDC wxMetafileDC
 
-class WXDLLEXPORT wxMetafile;
+class WXDLLIMPEXP_FWD_CORE wxMetafile;
 class wxMetafileRefData ;
 
 #define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
@@ -39,20 +41,16 @@ class WXDLLEXPORT wxMetafile: public wxGDIObject
 {
     DECLARE_DYNAMIC_CLASS(wxMetafile)
 public:
-    // Copy constructor
-    wxMetafile(const wxMetafile& metafile)
-      : wxGDIObject()
-    { Ref(metafile); }
-
     wxMetafile(const wxString& file = wxEmptyString);
-    ~wxMetafile(void);
+    virtual ~wxMetafile(void);
 
     // After this is called, the metafile cannot be used for anything
     // since it is now owned by the clipboard.
     virtual bool SetClipboard(int width = 0, int height = 0);
 
     virtual bool Play(wxDC *dc);
-    bool Ok() const ;
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const ;
 
     wxSize GetSize() const;
     int GetWidth() const { return GetSize().x; }
@@ -61,41 +59,65 @@ public:
     // Implementation
     WXHMETAFILE GetHMETAFILE() const ;
     void SetHMETAFILE(WXHMETAFILE mf) ;
-
-    // Operators
-    inline wxMetafile& operator = (const wxMetafile& metafile) { if (*this == metafile) return (*this); Ref(metafile); return *this; }
-    inline bool operator == (const wxMetafile& metafile) const { return m_refData == metafile.m_refData; }
-    inline bool operator != (const wxMetafile& metafile) const { return m_refData != metafile.m_refData; }
-
-protected:
+#ifndef __LP64__
+    // Since the native metafile format is PDF for Quartz
+    // we need a call that allows setting PICT content for
+    // backwards compatibility
+    void SetPICT(void* pictHandle) ;
+#endif
 };
 
-class WXDLLEXPORT wxMetafileDC: public wxDC
-{
-  DECLARE_DYNAMIC_CLASS(wxMetafileDC)
 
- public:
-    // the ctor parameters specify the filename (empty for memory metafiles),
-    // the metafile picture size and the optional description/comment
-    wxMetafileDC(const wxString& filename = wxEmptyString,
-                    int width = 0, int height = 0,
-                    const wxString& description = wxEmptyString);
+class WXDLLEXPORT wxMetafileDCImpl: public wxGCDCImpl
+{
+public:
+    wxMetafileDCImpl( wxDC *owner,
+                      const wxString& filename,
+                      int width, int height,
+                      const wxString& description );
 
-  ~wxMetafileDC(void);
+    virtual ~wxMetafileDCImpl();
 
-  // Should be called at end of drawing
-  virtual wxMetafile *Close(void);
+    // Should be called at end of drawing
+    virtual wxMetafile *Close();
 
-  // Implementation
-  inline wxMetafile *GetMetaFile(void) const { return m_metaFile; }
-  inline void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
+    // Implementation
+    wxMetafile *GetMetaFile(void) const { return m_metaFile; }
+    void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
 
 protected:
     virtual void DoGetSize(int *width, int *height) const;
 
-  wxMetafile*   m_metaFile;
+    wxMetafile*   m_metaFile;
+  
+private:
+    DECLARE_CLASS(wxMetafileDCImpl)
+    DECLARE_NO_COPY_CLASS(wxMetafileDCImpl)
 };
 
+class WXDLLEXPORT wxMetafileDC: public wxDC
+{
+ public:
+    // the ctor parameters specify the filename (empty for memory metafiles),
+    // the metafile picture size and the optional description/comment
+    wxMetafileDC(  const wxString& filename = wxEmptyString,
+                    int width = 0, int height = 0,
+                    const wxString& description = wxEmptyString ) :
+      wxDC( new wxMetafileDCImpl( this, filename, width, height, description) )
+    { }
+                    
+    wxMetafile *GetMetafile() const 
+       { return ((wxMetafileDCImpl*)m_pimpl)->GetMetaFile(); }
+       
+    wxMetafile *Close()
+       { return ((wxMetafileDCImpl*)m_pimpl)->Close(); }
+       
+private:
+    DECLARE_CLASS(wxMetafileDC)
+    DECLARE_NO_COPY_CLASS(wxMetafileDC)
+};
+                    
+          
 /*
  * Pass filename of existing non-placeable metafile, and bounding box.
  * Adds a placeable metafile header, sets the mapping mode to anisotropic,