7ee31b00ed
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15348 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
156 lines
4.5 KiB
C++
156 lines
4.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// 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: AUTHOR
|
|
// Modified by:
|
|
// Created: ??/??/98
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) AUTHOR
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#ifndef _WX_METAFIILE_H_
|
|
#define _WX_METAFIILE_H_
|
|
|
|
#if wxUSE_METAFILE
|
|
#include "wx/dc.h"
|
|
#include "wx/gdiobj.h"
|
|
|
|
#if wxUSE_DATAOBJ
|
|
#include "wx/dataobj.h"
|
|
#endif
|
|
|
|
/*
|
|
* Metafile and metafile device context classes
|
|
*
|
|
*/
|
|
|
|
#define wxMetaFile wxMetafile
|
|
#define wxMetaFileDC wxMetafileDC
|
|
|
|
class WXDLLEXPORT wxMetafile;
|
|
|
|
class WXDLLEXPORT wxMetafileRefData: public wxGDIRefData
|
|
{
|
|
friend class WXDLLEXPORT wxMetafile;
|
|
public:
|
|
wxMetafileRefData(void);
|
|
~wxMetafileRefData(void);
|
|
|
|
public:
|
|
WXHMETAFILE m_metafile;
|
|
};
|
|
|
|
#define M_METAFILEDATA ((wxMetafileRefData *)m_refData)
|
|
|
|
class WXDLLEXPORT wxMetafile: public wxGDIObject
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxMetafile)
|
|
public:
|
|
// Copy constructor
|
|
wxMetafile(const wxMetafile& metafile)
|
|
: wxGDIObject()
|
|
{ Ref(metafile); }
|
|
|
|
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);
|
|
|
|
virtual bool Play(wxDC *dc);
|
|
inline bool Ok(void) const { return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0)); };
|
|
|
|
// Implementation
|
|
inline WXHMETAFILE GetHMETAFILE(void) { 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:
|
|
};
|
|
|
|
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);
|
|
|
|
// Should be called at end of drawing
|
|
virtual wxMetafile *Close(void);
|
|
|
|
// Implementation
|
|
inline wxMetafile *GetMetaFile(void) const { return m_metaFile; }
|
|
inline void SetMetaFile(wxMetafile *mf) { m_metaFile = mf; }
|
|
|
|
protected:
|
|
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
|
|
#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);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMetafileDataObject is a specialization of wxDataObject for metafile data
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if wxUSE_DATAOBJ
|
|
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
|
|
|
|
#endif // wxUSE_METAFILE
|
|
|
|
|
|
#endif
|
|
// _WX_METAFIILE_H_
|