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- ///////////////////////////////////////////////////////////////////////////////
- // Name: wx/x11/dataobj2.h
- // Purpose: declaration of standard wxDataObjectSimple-derived classes
- // Author: Robert Roebling
- // Created: 19.10.99 (extracted from gtk/dataobj.h)
- // Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
- // Licence: wxWindows licence
- ///////////////////////////////////////////////////////////////////////////////
- #ifndef _WX_X11_DATAOBJ2_H_
- #define _WX_X11_DATAOBJ2_H_
- // ----------------------------------------------------------------------------
- // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
- // ----------------------------------------------------------------------------
- class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
- {
- public:
- // ctors
- wxBitmapDataObject();
- wxBitmapDataObject(const wxBitmap& bitmap);
- // destr
- virtual ~wxBitmapDataObject();
- // override base class virtual to update PNG data too
- virtual void SetBitmap(const wxBitmap& bitmap);
- // implement base class pure virtuals
- // ----------------------------------
- virtual size_t GetDataSize() const { return m_pngSize; }
- virtual bool GetDataHere(void *buf) const;
- virtual bool SetData(size_t len, const void *buf);
- // Must provide overloads to avoid hiding them (and warnings about it)
- virtual size_t GetDataSize(const wxDataFormat&) const
- {
- return GetDataSize();
- }
- virtual bool GetDataHere(const wxDataFormat&, void *buf) const
- {
- return GetDataHere(buf);
- }
- virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
- {
- return SetData(len, buf);
- }
- protected:
- void Init() { m_pngData = NULL; m_pngSize = 0; }
- void Clear() { free(m_pngData); }
- void ClearAll() { Clear(); Init(); }
- size_t m_pngSize;
- void *m_pngData;
- void DoConvertToPng();
- };
- // ----------------------------------------------------------------------------
- // wxFileDataObject is a specialization of wxDataObject for file names
- // ----------------------------------------------------------------------------
- class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase
- {
- public:
- // implement base class pure virtuals
- // ----------------------------------
- void AddFile( const wxString &filename );
- virtual size_t GetDataSize() const;
- virtual bool GetDataHere(void *buf) const;
- virtual bool SetData(size_t len, const void *buf);
- // Must provide overloads to avoid hiding them (and warnings about it)
- virtual size_t GetDataSize(const wxDataFormat&) const
- {
- return GetDataSize();
- }
- virtual bool GetDataHere(const wxDataFormat&, void *buf) const
- {
- return GetDataHere(buf);
- }
- virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
- {
- return SetData(len, buf);
- }
- };
- #endif // _WX_X11_DATAOBJ2_H_
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