wxWidgets/include/wx/motif/metafile.h

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/////////////////////////////////////////////////////////////////////////////
// Name: metafile.h
// Purpose: wxMetaFile, wxMetaFileDC classes.
// This probably should be restricted to Windows platforms,
// but if there is an equivalent on your platform, great.
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_METAFIILE_H_
#define _WX_METAFIILE_H_
#ifdef __GNUG__
#pragma interface "metafile.h"
#endif
#include "wx/setup.h"
/*
* Metafile and metafile device context classes - work in Windows 3.1 only
*
*/
class WXDLLEXPORT wxDC;
class WXDLLEXPORT wxMetaFile: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxMetaFile)
public:
wxMetaFile(const wxString& file = "");
~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);
// TODO
inline bool Ok() { return FALSE; };
/* TODO: Implementation
inline WXHANDLE GetHMETAFILE() { return m_metaFile; }
inline void SetHMETAFILE(WXHANDLE mf) { m_metaFile = mf; }
protected:
WXHANDLE m_metaFile;
*/
};
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();
// 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);
// 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; }
protected:
int m_windowsMappingMode;
wxMetaFile *m_metaFile;
};
/*
* 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 wxMM_TEXT mapping mode.
*
*/
// No origin or extent
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);
#endif
// _WX_METAFIILE_H_