// Purpose: wxMetaFile, wxMetaFileDC classes.
// This probably should be restricted to Windows platforms,
// but if there is an equivalent on your platform, great.
-// Author: AUTHOR
+// Author: Stefan Csomor
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/dc.h"
#include "wx/gdiobj.h"
-#if wxUSE_DRAG_AND_DROP
+#if wxUSE_DATAOBJ
#include "wx/dataobj.h"
#endif
~wxMetafileRefData(void);
public:
- PicHandle m_metafile;
+ WXHMETAFILE m_metafile;
};
#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
class WXDLLEXPORT wxMetafile: public wxGDIObject
{
- DECLARE_DYNAMIC_CLASS(wxMetafile)
- public:
- // Copy constructor
- inline wxMetafile(const wxMetafile& metafile)
- { Ref(metafile); }
+ DECLARE_DYNAMIC_CLASS(wxMetafile)
+public:
+ // Copy constructor
+ wxMetafile(const wxMetafile& metafile)
+ : wxGDIObject()
+ { Ref(metafile); }
- wxMetafile(const wxString& file = "");
- ~wxMetafile(void);
+ 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);
+ // 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)); };
+ virtual bool Play(wxDC *dc);
+ inline bool Ok(void) const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); };
- // Implementation
- inline PicHandle GetHMETAFILE(void) { return M_METAFILEDATA->m_metafile; }
- void SetHMETAFILE(PicHandle mf) ;
+ wxSize GetSize() const;
+ int GetWidth() const { return GetSize().x; }
+ int GetHeight() const { return GetSize().y; }
- // 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; }
+ // 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:
};
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);
+ // 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; }
// ----------------------------------------------------------------------------
#if wxUSE_DATAOBJ
-class WXDLLEXPORT wxMetafileDataObject : public wxDataObject
+class WXDLLEXPORT wxMetafileDataObject : public wxDataObjectSimple
{
public:
// ctors
- wxMetafileDataObject() { m_width = 0; m_height = 0; };
- wxMetafileDataObject(const wxMetafile& metafile, int width = 0, int height = 0):
- m_metafile(metafile), m_width(width), m_height(height) { }
-
- void SetMetafile(const wxMetafile& metafile, int w = 0, int h = 0)
- { m_metafile = metafile; m_width = w; m_height = h; }
- wxMetafile GetMetafile() const { return m_metafile; }
- int GetWidth() const { return m_width; }
- int GetHeight() const { return m_height; }
-
- virtual wxDataFormat GetFormat() const { return wxDF_METAFILE; }
-
-/* ??
- // implement base class pure virtuals
- virtual wxDataFormat GetPreferredFormat() const
- { return (wxDataFormat) wxDataObject::Text; }
- virtual bool IsSupportedFormat(wxDataFormat format) const
- { return format == wxDataObject::Text || format == wxDataObject::Locale; }
- virtual size_t GetDataSize() const
- { return m_strText.Len() + 1; } // +1 for trailing '\0'of course
- virtual void GetDataHere(void *pBuf) const
- { memcpy(pBuf, m_strText.c_str(), GetDataSize()); }
-*/
-
-private:
+ 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;
- int m_width;
- int m_height;
};
#endif
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