// 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: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/10/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_METAFIILE_H_
#define _WX_METAFIILE_H_
-#ifdef __GNUG__
-#pragma interface "metafile.h"
-#endif
+#include "wx/dc.h"
+#include "wx/gdiobj.h"
+#include "wx/os2/dc.h"
-#include "wx/setup.h"
+#if wxUSE_DRAG_AND_DROP
+#include "wx/dataobj.h"
+#endif
/*
- * Metafile and metafile device context classes - work in Windows 3.1 only
+ * Metafile and metafile device context classes
*
*/
-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxMetaFile: public wxObject
-{
- DECLARE_DYNAMIC_CLASS(wxMetaFile)
- public:
- wxMetaFile(const wxString& file = "");
- ~wxMetaFile();
+#define wxMetaFile wxMetafile
+#define wxMetaFileDC wxMetafileDC
- // 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);
- // TODO
- inline bool Ok() { return FALSE; };
+class WXDLLIMPEXP_CORE wxMetafileRefData: public wxGDIRefData
+{
+ friend class WXDLLIMPEXP_FWD_CORE wxMetafile;
+public:
+ wxMetafileRefData(void);
+ virtual ~wxMetafileRefData(void);
-/* TODO: Implementation
- inline WXHANDLE GetHMETAFILE() { return m_metaFile; }
- inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; }
+ virtual bool IsOk() const { return m_metafile != 0; }
-protected:
- WXHANDLE m_metaFile;
-*/
+public:
+ WXHANDLE m_metafile;
+ int m_windowsMappingMode;
};
-class WXDLLEXPORT wxMetaFileDC: public wxDC
+#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
+
+class WXDLLIMPEXP_CORE wxMetafile: public wxGDIObject
{
- DECLARE_DYNAMIC_CLASS(wxMetaFileDC)
+ DECLARE_DYNAMIC_CLASS(wxMetafile)
+public:
+ wxMetafile(const wxString& file = wxEmptyString);
+ virtual ~wxMetafile(void);
- public:
- // Don't supply origin and extent
- // Supply them to wxMakeMetaFilePlaceable instead.
- wxMetaFileDC(const wxString& file = "");
+ // 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);
- // 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 bool Play(wxDC *dc);
- ~wxMetaFileDC();
+ // Implementation
+ inline WXHANDLE GetHMETAFILE(void) { return M_METAFILEDATA->m_metafile; }
+ void SetHMETAFILE(WXHANDLE mf) ;
+ inline int GetWindowsMappingMode(void) { return M_METAFILEDATA->m_windowsMappingMode; }
+ void SetWindowsMappingMode(int mm);
- // Should be called at end of drawing
- virtual wxMetaFile *Close();
- 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 wxGDIRefData *CreateGDIRefData() const;
+ virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
+};
- // Implementation
- inline wxMetaFile *GetMetaFile() { return m_metaFile; }
- inline void SetMetaFile(wxMetaFile *mf) { m_metaFile = mf; }
- inline int GetWindowsMappingMode() { return m_windowsMappingMode; }
- inline void SetWindowsMappingMode(int mm) { m_windowsMappingMode = mm; }
+class WXDLLIMPEXP_CORE wxMetafileDCImpl: public wxPMDCImpl
+{
+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:
- int m_windowsMappingMode;
- wxMetaFile *m_metaFile;
+ virtual void DoGetSize(int *width, int *height) const;
+
+ int m_windowsMappingMode;
+ wxMetafile* m_metaFile;
+
+private:
+ DECLARE_CLASS(wxMetafileDCImpl)
+ DECLARE_NO_COPY_CLASS(wxMetafileDCImpl)
+};
+
+class WXDLLIMPEXP_CORE wxMetafileDC: public wxDC
+{
+public:
+ // Don't supply origin and extent
+ // Supply them to wxMakeMetaFilePlaceable instead.
+ wxMetafileDC(const wxString& file = wxEmptyString)
+ :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(); }
+
+ virtual ~wxMetafileDC(void)
+ { delete m_pimpl; }
+
+ // Should be called at end of drawing
+ virtual wxMetafile *Close(void)
+ { return ((wxMetafileDCImpl*)m_pimpl)->Close(); }
+
+ inline void SetMetaFile(wxMetafile *mf)
+ { ((wxMetafileDCImpl*)m_pimpl)->SetMetaFile(mf); }
+
+private:
+ DECLARE_CLASS(wxMetafileDC)
+ DECLARE_NO_COPY_CLASS(wxMetafileDC)
};
/*
*/
// No origin or extent
-bool WXDLLEXPORT wxMakeMetaFilePlaceable(const wxString& filename, float scale = 1.0);
+#define wxMakeMetaFilePlaceable wxMakeMetafilePlaceable
+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
+// ----------------------------------------------------------------------------
+
+// TODO: implement OLE side of things. At present, it's just for clipboard
+// use.
+
+#if wxUSE_DRAG_AND_DROP
+class WXDLLIMPEXP_CORE wxMetafileDataObject : public wxDataObject
+{
+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:
+ wxMetafile m_metafile;
+ int m_width;
+ int m_height;
+};
+#endif
#endif
// _WX_METAFIILE_H_
projects / wxWidgets.git / blobdiff