corrected wxMacSetColorTableEntry (although it is not needed currently)

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

diff --git a/include/wx/msw/metafile.h b/include/wx/msw/metafile.h
index 60d3c1db500b8a9a1cbe8849c197960d6bdff520..c1a648fd24b403a9a6fd08aebcb7a85684adfea3 100644 (file)
--- a/include/wx/msw/metafile.h
+++ b/include/wx/msw/metafile.h
@@ -1,104 +1,174 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        metafile.h
-// Purpose:     wxMetaFile, wxMetaFileDC classes
+// Name:        wx/msw/metafile.h
+// Purpose:     wxMetaFile, wxMetaFileDC and wxMetaFileDataObject classes

 // Author:      Julian Smart
 // Author:      Julian Smart

-// Modified by:
+// Modified by: VZ 07.01.00: implemented wxMetaFileDataObject

 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-

 #ifndef _WX_METAFIILE_H_
 #define _WX_METAFIILE_H_
 
 #ifdef __GNUG__
 #ifndef _WX_METAFIILE_H_
 #define _WX_METAFIILE_H_
 
 #ifdef __GNUG__

-#pragma interface "metafile.h"
+    #pragma interface "metafile.h"

 #endif
 
 #include "wx/setup.h"
 
 #endif
 
 #include "wx/setup.h"
 

-#if USE_METAFILE
+#if wxUSE_METAFILE
+

 #include "wx/dc.h"
 #include "wx/dc.h"

+#include "wx/gdiobj.h"

 
 

-/*
- * Metafile and metafile device context classes - work in Windows 3.1 only
- *
- */
+#if wxUSE_DRAG_AND_DROP
+    #include "wx/dataobj.h"
+#endif

 
 

-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxMetaFile: public wxObject
-{
-  DECLARE_DYNAMIC_CLASS(wxMetaFile)
- public:
-  wxMetaFile(const wxString& file = "");
-  ~wxMetaFile(void);
+// ----------------------------------------------------------------------------
+// Metafile and metafile device context classes
+// ----------------------------------------------------------------------------

 
 

-  // 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);
+class WXDLLEXPORT wxMetafile;

 
 

-  virtual bool Play(wxDC *dc);
-  inline bool Ok(void) { return m_metaFile != 0; };
+class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData
+{
+    friend class WXDLLEXPORT wxMetafile;
+public:
+    wxMetafileRefData();
+    ~wxMetafileRefData();
+
+public:
+    WXHANDLE m_metafile;
+    int m_windowsMappingMode;
+    int m_width, 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; }
+#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)

 
 

-protected:
-  WXHANDLE m_metaFile;
-  int m_windowsMappingMode;
+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
+    // 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 { return (M_METAFILEDATA && (M_METAFILEDATA->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; }
+
+    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);
+
+    // 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)

 };
 
 };
 

-class WXDLLEXPORT wxMetaFileDC: public wxDC
+class WXDLLEXPORT wxMetafileDC: public wxDC

 {
 {

-  DECLARE_DYNAMIC_CLASS(wxMetaFileDC)
-
- public:
-  // Don't supply origin and extent
-  // Supply them to wxMakeMetaFilePlaceable instead.
-  wxMetaFileDC(const wxString& 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);
-
-  ~wxMetaFileDC(void);
-
-  // Should be called at end of drawing
-  virtual wxMetaFile *Close(void);
-  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;
-
-  // 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; }
+public:
+    // Don't supply origin and extent
+    // Supply them to wxMakeMetaFilePlaceable instead.
+    wxMetafileDC(const wxString& file = wxEmptyString);
+
+    // 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);
+
+    virtual ~wxMetafileDC();
+
+    // 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;
+
+    // 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:
 
 protected:

-  int m_windowsMappingMode;
-  wxMetaFile *m_metaFile;
+    int           m_windowsMappingMode;
+    wxMetafile*   m_metaFile;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxMetafileDC)

 };
 
 /*
  * Pass filename of existing non-placeable metafile, and bounding box.
  * Adds a placeable metafile header, sets the mapping mode to anisotropic,
 };
 
 /*
  * 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
  *
  */
 
 // No origin or extent

-bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0);
+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);
 
 
 // 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);
 

-#endif // USE_METAFILE
+// ----------------------------------------------------------------------------
+// wxMetafileDataObject is a specialization of wxDataObject for metafile data
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP
+
+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);
+
+protected:
+    wxMetafile m_metafile;
+};
+
+#endif // wxUSE_DRAG_AND_DROP
+
+#endif // wxUSE_METAFILE

 #endif
     // _WX_METAFIILE_H_
 #endif
     // _WX_METAFIILE_H_

+