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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/cocoa/dataobj2.h
3 // Purpose: declaration of standard wxDataObjectSimple-derived classes
4 // Author: David Elliott <dfe@cox.net>
5 // Modified by:
6 // Created: 2003/07/23
7 // RCS-ID: $Id$
8 // Copyright: (c) 2003 David Elliott
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef __WX_COCOA_DATAOBJ2_H__
13 #define __WX_COCOA_DATAOBJ2_H__
14
15 //=========================================================================
16 // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
17 //=========================================================================
18 class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
19 {
20 public:
21 // ctors
22 wxBitmapDataObject();
23 wxBitmapDataObject(const wxBitmap& bitmap);
24
25 // destr
26 virtual ~wxBitmapDataObject();
27
28 // override base class virtual to update PNG data too
29 virtual void SetBitmap(const wxBitmap& bitmap);
30
31 // implement base class pure virtuals
32 // ----------------------------------
33
34 virtual size_t GetDataSize() const { return m_pngSize; }
35 virtual bool GetDataHere(void *buf) const;
36 virtual bool SetData(size_t len, const void *buf);
37
38 protected:
39 void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
40 void Clear() { free(m_pngData); }
41 void ClearAll() { Clear(); Init(); }
42
43 size_t m_pngSize;
44 void *m_pngData;
45
46 void DoConvertToPng();
47
48 private:
49 // virtual function hiding supression
50 size_t GetDataSize(const wxDataFormat& format) const
51 { return(wxDataObjectSimple::GetDataSize(format)); }
52 bool GetDataHere(const wxDataFormat& format, void* pBuf) const
53 { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
54 bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
55 { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
56 };
57
58 //=========================================================================
59 // wxFileDataObject is a specialization of wxDataObject for file names
60 //=========================================================================
61
62 class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase
63 {
64 public:
65 // implement base class pure virtuals
66 // ----------------------------------
67
68 void AddFile( const wxString &filename );
69
70 virtual size_t GetDataSize() const;
71 virtual bool GetDataHere(void *buf) const;
72 virtual bool SetData(size_t len, const void *buf);
73
74 private:
75 // virtual function hiding supression
76 size_t GetDataSize(const wxDataFormat& format) const
77 { return(wxDataObjectSimple::GetDataSize(format)); }
78 bool GetDataHere(const wxDataFormat& format, void* pBuf) const
79 { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
80 bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
81 { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
82 };
83
84 #endif //__WX_COCOA_DATAOBJ2_H__