/////////////////////////////////////////////////////////////////////////////// // Name: os2/dataobj2.h // Purpose: declaration of standard wxDataObjectSimple-derived classes // Author: David Webster (adapted from Robert Roebling's gtk port // Modified by: // Created: 10/21/99 // RCS-ID: $Id$ // Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling // Licence: wxWindows license /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_GTK_DATAOBJ2_H_ #define _WX_GTK_DATAOBJ2_H_ #ifdef __GNUG__ #pragma interface "dataobj.h" #endif // ---------------------------------------------------------------------------- // wxBitmapDataObject is a specialization of wxDataObject for bitmaps // ---------------------------------------------------------------------------- class wxBitmapDataObject : public wxBitmapDataObjectBase { public: // ctors wxBitmapDataObject(); wxBitmapDataObject(const wxBitmap& bitmap); // destr ~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); protected: void Init() { m_pngData = (void *)NULL; m_pngSize = 0; } void Clear() { free(m_pngData); } void ClearAll() { Clear(); Init(); } size_t m_pngSize; void *m_pngData; void DoConvertToPng(); private: // Virtual function hiding supression size_t GetDataSize(const wxDataFormat& rFormat) const { return(wxDataObjectSimple::GetDataSize(rFormat)); } bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); } bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf) { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); } }; // ---------------------------------------------------------------------------- // wxFileDataObject is a specialization of wxDataObject for file names // ---------------------------------------------------------------------------- class 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); private: // Virtual function hiding supression size_t GetDataSize(const wxDataFormat& rFormat) const { return(wxDataObjectSimple::GetDataSize(rFormat)); } bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); } bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf) { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); } }; #endif // _WX_GTK_DATAOBJ2_H_