X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..66c2bf7b1d9326fb650acfaae22ec50528cfbf7c:/include/wx/msw/metafile.h

diff --git a/include/wx/msw/metafile.h b/include/wx/msw/metafile.h
index c4c0665ed7..8991f58c91 100644
--- a/include/wx/msw/metafile.h
+++ b/include/wx/msw/metafile.h
@@ -1,104 +1,189 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        metafile.h
-// Purpose:     wxMetaFile, wxMetaFileDC classes
+// Name:        wx/msw/metafile.h
+// Purpose:     wxMetaFile, wxMetaFileDC and wxMetaFileDataObject classes
 // Author:      Julian Smart
-// Modified by:
+// Modified by: VZ 07.01.00: implemented wxMetaFileDataObject
 // Created:     01/02/97
-// RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:   	wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef _WX_METAFIILE_H_
+#define _WX_METAFIILE_H_
 
-#ifndef __METAFIILEH__
-#define __METAFIILEH__
+#include "wx/dc.h"
+#include "wx/gdiobj.h"
 
-#ifdef __GNUG__
-#pragma interface "metafile.h"
+#if wxUSE_DRAG_AND_DROP
+    #include "wx/dataobj.h"
 #endif
 
-#include "wx/setup.h"
+// ----------------------------------------------------------------------------
+// Metafile and metafile device context classes
+// ----------------------------------------------------------------------------
 
-#if USE_METAFILE
-#include "wx/dc.h"
+class WXDLLIMPEXP_FWD_CORE wxMetafile;
 
-/*
- * Metafile and metafile device context classes - work in Windows 3.1 only
- *
- */
+class WXDLLIMPEXP_CORE wxMetafileRefData: public wxGDIRefData
+{
+public:
+    wxMetafileRefData();
+    virtual ~wxMetafileRefData();
+
+    virtual bool IsOk() const { return m_metafile != 0; }
+
+public:
+    WXHANDLE m_metafile;
+    int m_windowsMappingMode;
+    int m_width, m_height;
 
-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxMetaFile: public wxObject
+    friend class WXDLLIMPEXP_FWD_CORE wxMetafile;
+};
+
+#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
+
+class WXDLLIMPEXP_CORE wxMetafile: public wxGDIObject
 {
-  DECLARE_DYNAMIC_CLASS(wxMetaFile)
- public:
-  wxMetaFile(const wxString& file = "");
-  ~wxMetaFile(void);
+public:
+    wxMetafile(const wxString& file = wxEmptyString);
+    virtual ~wxMetafile();
+
+    // 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);
 
-  // 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);
 
-  virtual bool Play(wxDC *dc);
-  inline bool Ok(void) { return m_metaFile != 0; };
+    // set/get the size of metafile for clipboard operations
+    wxSize GetSize() const { return wxSize(GetWidth(), GetHeight()); }
+    int GetWidth() const { return M_METAFILEDATA->m_width; }
+    int GetHeight() const { return M_METAFILEDATA->m_height; }
 
-  // Implementation
-  inline WXHANDLE GetHMETAFILE(void) { return m_metaFile; }
-  inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; }
-  inline int GetWindowsMappingMode(void) { return m_windowsMappingMode; }
-  inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
+    void SetWidth(int width) { M_METAFILEDATA->m_width = width; }
+    void SetHeight(int height) { M_METAFILEDATA->m_height = height; }
+
+    // Implementation
+    WXHANDLE GetHMETAFILE() const { return M_METAFILEDATA->m_metafile; }
+    void SetHMETAFILE(WXHANDLE mf) ;
+    int GetWindowsMappingMode() const { return M_METAFILEDATA->m_windowsMappingMode; }
+    void SetWindowsMappingMode(int mm);
 
 protected:
-  WXHANDLE m_metaFile;
-  int m_windowsMappingMode;
+    virtual wxGDIRefData *CreateGDIRefData() const;
+    virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxMetafile)
 };
 
-class WXDLLEXPORT wxMetaFileDC: public wxDC
+class WXDLLIMPEXP_CORE wxMetafileDCImpl: public wxMSWDCImpl
 {
-  DECLARE_DYNAMIC_CLASS(wxMetaFileDC)
+public:
+    wxMetafileDCImpl(wxDC *owner, const wxString& file = wxEmptyString);
+    wxMetafileDCImpl(wxDC *owner, const wxString& file,
+                     int xext, int yext, int xorg, int yorg);
+    virtual ~wxMetafileDCImpl();
+
+    virtual wxMetafile *Close();
+    virtual void SetMapMode(wxMappingMode mode);
+    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; }
+    void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
+    int GetWindowsMappingMode() const { return m_windowsMappingMode; }
+    void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
+
+protected:
+    virtual void DoGetSize(int *width, int *height) const;
 
- public:
-  // Don't supply origin and extent
-  // Supply them to wxMakeMetaFilePlaceable instead.
-  wxMetaFileDC(const wxString& file = "");
+    int           m_windowsMappingMode;
+    wxMetafile*   m_metaFile;
 
-  // Supply origin and extent (recommended).
-  // Then don't need to supply them to wxMakeMetaFilePlaceable.
-  wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg);
+private:
+    DECLARE_CLASS(wxMetafileDCImpl)
+    wxDECLARE_NO_COPY_CLASS(wxMetafileDCImpl);
+};
 
-  ~wxMetaFileDC(void);
+class WXDLLIMPEXP_CORE wxMetafileDC: public wxDC
+{
+public:
+    // Don't supply origin and extent
+    // Supply them to wxMakeMetaFilePlaceable instead.
+    wxMetafileDC(const wxString& file)
+        : wxDC(new wxMetafileDCImpl( this, file ))
+        { }
+
+    // Supply origin and extent (recommended).
+    // Then don't need to supply them to wxMakeMetaFilePlaceable.
+    wxMetafileDC(const wxString& file, int xext, int yext, int xorg, int yorg)
+        : wxDC(new wxMetafileDCImpl( this, file, xext, yext, xorg, yorg ))
+        { }
+
+    wxMetafile *GetMetafile() const
+       { return ((wxMetafileDCImpl*)m_pimpl)->GetMetaFile(); }
+
+    wxMetafile *Close()
+       { return ((wxMetafileDCImpl*)m_pimpl)->Close(); }
+
+private:
+    DECLARE_CLASS(wxMetafileDC)
+    wxDECLARE_NO_COPY_CLASS(wxMetafileDC);
+};
 
-  // Should be called at end of drawing
-  virtual wxMetaFile *Close(void);
-  virtual void SetMapMode(int mode);
-  virtual void GetTextExtent(const wxString& string, float *x, float *y,
-                     float *descent = NULL, float *externalLeading = NULL,
-                     wxFont *theFont = NULL, bool use16bit = FALSE);
 
-  // Implementation
-  inline wxMetaFile *GetMetaFile(void) { return m_metaFile; }
-  inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; }
-  inline int GetWindowsMappingMode(void) { return m_windowsMappingMode; }
-  inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
 
-protected:
-  int m_windowsMappingMode;
-  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 MM_TEXT mapping mode.
+ * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
  *
  */
 
 // No origin or extent
-bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0);
+bool WXDLLIMPEXP_CORE 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);
+bool WXDLLIMPEXP_CORE 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_DRAG_AND_DROP
+
+class WXDLLIMPEXP_CORE 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);
+
+protected:
+    wxMetafile m_metafile;
+};
+
+#endif // wxUSE_DRAG_AND_DROP
 
-#endif // USE_METAFILE
 #endif
-    // __METAFIILEH__
+    // _WX_METAFIILE_H_
+