/////////////////////////////////////////////////////////////////////////////// // Name: wx/cocoa/dataobj2.h // Purpose: declaration of standard wxDataObjectSimple-derived classes // Author: David Elliott // Modified by: // Created: 2003/07/23 // RCS-ID: $Id$ // Copyright: (c) 2003 David Elliott // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef __WX_COCOA_DATAOBJ2_H__ #define __WX_COCOA_DATAOBJ2_H__ //========================================================================= // wxBitmapDataObject is a specialization of wxDataObject for bitmaps //========================================================================= class 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); 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& format) const { return(wxDataObjectSimple::GetDataSize(format)); } bool GetDataHere(const wxDataFormat& format, void* pBuf) const { return(wxDataObjectSimple::GetDataHere(format, pBuf)); } bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf) { return(wxDataObjectSimple::SetData(format, 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& format) const { return(wxDataObjectSimple::GetDataSize(format)); } bool GetDataHere(const wxDataFormat& format, void* pBuf) const { return(wxDataObjectSimple::GetDataHere(format, pBuf)); } bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf) { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); } }; #endif //__WX_COCOA_DATAOBJ2_H__