classic/carbon split

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26305 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/classic/metafile.h

@@ -0,0 +1,166 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        metafile.h
+// Purpose:     wxMetaFile, wxMetaFileDC classes.
+//              This probably should be restricted to Windows platforms,
+//              but if there is an equivalent on your platform, great.
+// Author:      Stefan Csomor
+// Modified by:
+// Created:     1998-01-01
+// RCS-ID:      $Id$
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef _WX_METAFIILE_H_
+#define _WX_METAFIILE_H_
+
+#if wxUSE_METAFILE
+#include "wx/dc.h"
+#include "wx/gdiobj.h"
+
+#if wxUSE_DATAOBJ
+#include "wx/dataobj.h"
+#endif
+
+/*
+ * Metafile and metafile device context classes
+ *
+ */
+
+#define wxMetaFile wxMetafile
+#define wxMetaFileDC wxMetafileDC
+
+class WXDLLEXPORT wxMetafile;
+
+class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData
+{
+    friend class WXDLLEXPORT wxMetafile;
+public:
+    wxMetafileRefData(void);
+    ~wxMetafileRefData(void);
+
+public:
+    WXHMETAFILE m_metafile;
+};
+
+#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
+
+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);
+
+    // 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);
+    inline bool Ok(void) const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); };
+
+    wxSize GetSize() const;
+    int GetWidth() const { return GetSize().x; }
+    int GetHeight() const { return GetSize().y; }
+
+    // Implementation
+    inline WXHMETAFILE GetHMETAFILE() const { return M_METAFILEDATA->m_metafile; }
+    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) { return m_refData == metafile.m_refData; }
+    inline bool operator != (const wxMetafile& metafile) { return m_refData != metafile.m_refData; }
+
+protected:
+};
+
+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);
+
+  ~wxMetafileDC(void);
+
+  // Should be called at end of drawing
+  virtual wxMetafile *Close(void);
+  virtual void DoGetSize(int *width, int *height) const ;
+
+  // Implementation
+  inline wxMetafile *GetMetaFile(void) const { return m_metaFile; }
+  inline void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
+
+protected:
+  wxMetafile*   m_metaFile;
+};
+
+/*
+ * Pass filename of existing non-placeable metafile, and bounding box.
+ * Adds a placeable metafile header, sets the mapping mode to anisotropic,
+ * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
+ *
+ */
+
+// No origin or extent
+#define wxMakeMetaFilePlaceable wxMakeMetafilePlaceable
+bool WXDLLEXPORT wxMakeMetafilePlaceable(const wxString& filename, float scale = 1.0);
+
+// Optional origin and extent
+bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale = 1.0, bool useOriginAndExtent = TRUE);
+
+// ----------------------------------------------------------------------------
+// wxMetafileDataObject is a specialization of wxDataObject for metafile data
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DATAOBJ
+class WXDLLEXPORT wxMetafileDataObject : public wxDataObjectSimple
+{
+public:
+  // ctors
+  wxMetafileDataObject() 
+    : wxDataObjectSimple(wxDF_METAFILE) {  };
+  wxMetafileDataObject(const wxMetafile& metafile)
+    : wxDataObjectSimple(wxDF_METAFILE), m_metafile(metafile) { }
+
+    // virtual functions which you may override if you want to provide data on
+    // demand only - otherwise, the trivial default versions will be used
+    virtual void SetMetafile(const wxMetafile& metafile)
+        { m_metafile = metafile; }
+    virtual wxMetafile GetMetafile() const
+        { return m_metafile; }
+
+    // implement base class pure virtuals
+    virtual size_t GetDataSize() const;
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+
+    virtual size_t GetDataSize(const wxDataFormat& WXUNUSED(format)) const
+        { return GetDataSize(); }
+    virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
+                             void *buf) const
+        { return GetDataHere(buf); }
+    virtual bool SetData(const wxDataFormat& WXUNUSED(format),
+                         size_t len, const void *buf)
+        { return SetData(len, buf); }
+protected:
+  wxMetafile   m_metafile;
+};
+#endif
+
+#endif // wxUSE_METAFILE
+
+
+#endif
+    // _WX_METAFIILE_H_