/////////////////////////////////////////////////////////////////////////////
-// 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
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
#ifndef _WX_METAFIILE_H_
#define _WX_METAFIILE_H_
-#ifdef __GNUG__
-#pragma interface "metafile.h"
-#endif
-
-#include "wx/setup.h"
-
-#if USE_METAFILE
#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 WXDLLIMPEXP_FWD_CORE wxMetafile;
- virtual bool Play(wxDC *dc);
- inline bool Ok(void) { return m_metaFile != 0; };
+class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData
+{
+ friend class WXDLLIMPEXP_FWD_CORE wxMetafile;
+public:
+ wxMetafileRefData();
+ virtual ~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);
+ 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 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()); }
+ 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);
+
+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 = "");
+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 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; }
- // 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, float *x, float *y,
- float *descent = NULL, float *externalLeading = NULL,
- wxFont *theFont = NULL, bool use16bit = FALSE);
+protected:
+ virtual void DoGetSize(int *width, int *height) 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; }
+ int m_windowsMappingMode;
+ wxMetafile* m_metaFile;
-protected:
- 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,
- * 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 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);
+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_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 // USE_METAFILE
#endif
// _WX_METAFIILE_H_
+
projects / wxWidgets.git / blobdiff