/////////////////////////////////////////////////////////////////////////////
-// 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 wxUSE_METAFILE
#include "wx/dc.h"
#include "wx/gdiobj.h"
#if wxUSE_DRAG_AND_DROP
-#include "wx/dataobj.h"
+ #include "wx/dataobj.h"
#endif
-/*
- * Metafile and metafile device context classes
- *
- */
-
-#define wxMetaFile wxMetafile
-#define wxMetaFileDC wxMetafileDC
+// ----------------------------------------------------------------------------
+// Metafile and metafile device context classes
+// ----------------------------------------------------------------------------
class WXDLLEXPORT wxMetafile;
{
friend class WXDLLEXPORT wxMetafile;
public:
- wxMetafileRefData(void);
- ~wxMetafileRefData(void);
+ wxMetafileRefData();
+ virtual ~wxMetafileRefData();
public:
WXHANDLE m_metafile;
int m_windowsMappingMode;
+ int m_width, m_height;
};
#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); }
+public:
+ wxMetafile(const wxString& file = wxEmptyString);
+ virtual ~wxMetafile();
- wxMetafile(const wxString& file = "");
- ~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);
+ bool Ok() const { return IsOk(); }
+ bool IsOk() 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)); };
+ // 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_METAFILEDATA->m_metafile; }
- void SetHMETAFILE(WXHANDLE mf) ;
- inline int GetWindowsMappingMode(void) { return M_METAFILEDATA->m_windowsMappingMode; }
- void SetWindowsMappingMode(int mm);
+ void SetWidth(int width) { M_METAFILEDATA->m_width = width; }
+ void SetHeight(int height) { M_METAFILEDATA->m_height = height; }
- // 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
+ 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:
+private:
+ DECLARE_DYNAMIC_CLASS(wxMetafile)
};
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);
+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; }
- // 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;
+protected:
+ virtual void DoGetSize(int *width, int *height) const;
- // Implementation
- inline wxMetafile *GetMetaFile(void) const { return m_metaFile; }
- inline void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
- inline int GetWindowsMappingMode(void) const { 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)
};
/*
*/
// No origin or extent
-#define wxMakeMetaFilePlaceable wxMakeMetafilePlaceable
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
// ----------------------------------------------------------------------------
-// TODO: implement OLE side of things. At present, it's just for clipboard
-// use.
-
#if wxUSE_DRAG_AND_DROP
-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()); }
-*/
+ // 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);
-private:
- wxMetafile m_metafile;
- int m_width;
- int m_height;
+protected:
+ wxMetafile m_metafile;
};
-#endif
-#endif // wxUSE_METAFILE
+#endif // wxUSE_DRAG_AND_DROP
+
#endif
// _WX_METAFIILE_H_
projects / wxWidgets.git / blobdiff