mirror of https://github.com/PCSX2/pcsx2.git
188 lines
6.8 KiB
C
188 lines
6.8 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/enhmeta.h
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// Purpose: wxEnhMetaFile class for Win32
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 13.01.00
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// Copyright: (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_ENHMETA_H_
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#define _WX_MSW_ENHMETA_H_
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#include "wx/dc.h"
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#include "wx/gdiobj.h"
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#if wxUSE_DRAG_AND_DROP
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#include "wx/dataobj.h"
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#endif
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// ----------------------------------------------------------------------------
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// wxEnhMetaFile: encapsulation of Win32 HENHMETAFILE
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxEnhMetaFile : public wxGDIObject
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{
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public:
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wxEnhMetaFile(const wxString& file = wxEmptyString) : m_filename(file)
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{ Init(); }
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wxEnhMetaFile(const wxEnhMetaFile& metafile) : wxGDIObject()
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{ Init(); Assign(metafile); }
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wxEnhMetaFile& operator=(const wxEnhMetaFile& metafile)
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{ Free(); Assign(metafile); return *this; }
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virtual ~wxEnhMetaFile()
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{ Free(); }
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// display the picture stored in the metafile on the given DC
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bool Play(wxDC *dc, wxRect *rectBound = NULL);
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// accessors
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virtual bool IsOk() const { return m_hMF != 0; }
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wxSize GetSize() const;
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int GetWidth() const { return GetSize().x; }
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int GetHeight() const { return GetSize().y; }
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const wxString& GetFileName() const { return m_filename; }
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// copy the metafile to the clipboard: the width and height parameters are
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// for backwards compatibility (with wxMetaFile) only, they are ignored by
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// this method
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bool SetClipboard(int width = 0, int height = 0);
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// implementation
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WXHANDLE GetHENHMETAFILE() const { return m_hMF; }
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void SetHENHMETAFILE(WXHANDLE hMF) { Free(); m_hMF = hMF; }
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protected:
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void Init();
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void Free();
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void Assign(const wxEnhMetaFile& mf);
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// we don't use these functions (but probably should) but have to implement
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// them as they're pure virtual in the base class
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virtual wxGDIRefData *CreateGDIRefData() const;
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virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
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private:
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wxString m_filename;
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WXHANDLE m_hMF;
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DECLARE_DYNAMIC_CLASS(wxEnhMetaFile)
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};
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// ----------------------------------------------------------------------------
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// wxEnhMetaFileDC: allows to create a wxEnhMetaFile
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxEnhMetaFileDC : public wxDC
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{
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public:
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// the ctor parameters specify the filename (empty for memory metafiles),
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// the metafile picture size and the optional description/comment
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wxEnhMetaFileDC(const wxString& filename = wxEmptyString,
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int width = 0, int height = 0,
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const wxString& description = wxEmptyString);
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// as above, but takes reference DC as first argument to take resolution,
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// size, font metrics etc. from
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wxEXPLICIT
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wxEnhMetaFileDC(const wxDC& referenceDC,
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const wxString& filename = wxEmptyString,
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int width = 0, int height = 0,
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const wxString& description = wxEmptyString);
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// obtain a pointer to the new metafile (caller should delete it)
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wxEnhMetaFile *Close();
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private:
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DECLARE_DYNAMIC_CLASS_NO_COPY(wxEnhMetaFileDC)
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};
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#if wxUSE_DRAG_AND_DROP
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// ----------------------------------------------------------------------------
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// wxEnhMetaFileDataObject is a specialization of wxDataObject for enh metafile
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// ----------------------------------------------------------------------------
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// notice that we want to support both CF_METAFILEPICT and CF_ENHMETAFILE and
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// so we derive from wxDataObject and not from wxDataObjectSimple
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class WXDLLIMPEXP_CORE wxEnhMetaFileDataObject : public wxDataObject
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{
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public:
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// ctors
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wxEnhMetaFileDataObject() { }
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wxEnhMetaFileDataObject(const wxEnhMetaFile& metafile)
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: m_metafile(metafile) { }
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// virtual functions which you may override if you want to provide data on
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// demand only - otherwise, the trivial default versions will be used
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virtual void SetMetafile(const wxEnhMetaFile& metafile)
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{ m_metafile = metafile; }
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virtual wxEnhMetaFile GetMetafile() const
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{ return m_metafile; }
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// implement base class pure virtuals
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virtual wxDataFormat GetPreferredFormat(Direction dir) const;
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virtual size_t GetFormatCount(Direction dir) const;
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virtual void GetAllFormats(wxDataFormat *formats, Direction dir) const;
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virtual size_t GetDataSize(const wxDataFormat& format) const;
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virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
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virtual bool SetData(const wxDataFormat& format, size_t len,
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const void *buf);
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protected:
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wxEnhMetaFile m_metafile;
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wxDECLARE_NO_COPY_CLASS(wxEnhMetaFileDataObject);
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};
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// ----------------------------------------------------------------------------
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// wxEnhMetaFileSimpleDataObject does derive from wxDataObjectSimple which
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// makes it more convenient to use (it can be used with wxDataObjectComposite)
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// at the price of not supoprting any more CF_METAFILEPICT but only
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// CF_ENHMETAFILE
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxEnhMetaFileSimpleDataObject : public wxDataObjectSimple
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{
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public:
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// ctors
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wxEnhMetaFileSimpleDataObject() : wxDataObjectSimple(wxDF_ENHMETAFILE) { }
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wxEnhMetaFileSimpleDataObject(const wxEnhMetaFile& metafile)
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: wxDataObjectSimple(wxDF_ENHMETAFILE), m_metafile(metafile) { }
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// virtual functions which you may override if you want to provide data on
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// demand only - otherwise, the trivial default versions will be used
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virtual void SetEnhMetafile(const wxEnhMetaFile& metafile)
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{ m_metafile = metafile; }
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virtual wxEnhMetaFile GetEnhMetafile() const
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{ return m_metafile; }
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// implement base class pure virtuals
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virtual size_t GetDataSize() const;
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virtual bool GetDataHere(void *buf) const;
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virtual bool SetData(size_t len, const void *buf);
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virtual size_t GetDataSize(const wxDataFormat& WXUNUSED(format)) const
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{ return GetDataSize(); }
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virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
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void *buf) const
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{ return GetDataHere(buf); }
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virtual bool SetData(const wxDataFormat& WXUNUSED(format),
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size_t len, const void *buf)
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{ return SetData(len, buf); }
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protected:
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wxEnhMetaFile m_metafile;
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wxDECLARE_NO_COPY_CLASS(wxEnhMetaFileSimpleDataObject);
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};
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#endif // wxUSE_DRAG_AND_DROP
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#endif // _WX_MSW_ENHMETA_H_
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