85 lines
3 KiB
C++
85 lines
3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/gtk1/dataobj2.h
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// Purpose: declaration of standard wxDataObjectSimple-derived classes
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// Author: Robert Roebling
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// Created: 19.10.99 (extracted from gtk/dataobj.h)
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// Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GTK_DATAOBJ2_H_
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#define _WX_GTK_DATAOBJ2_H_
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// ----------------------------------------------------------------------------
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// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
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{
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public:
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// ctors
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wxBitmapDataObject();
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wxBitmapDataObject(const wxBitmap& bitmap);
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// destr
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virtual ~wxBitmapDataObject();
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// override base class virtual to update PNG data too
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virtual void SetBitmap(const wxBitmap& bitmap);
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// implement base class pure virtuals
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// ----------------------------------
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virtual size_t GetDataSize() const { return m_pngSize; }
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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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protected:
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void Init() { m_pngData = NULL; m_pngSize = 0; }
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void Clear() { free(m_pngData); }
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void ClearAll() { Clear(); Init(); }
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size_t m_pngSize;
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void *m_pngData;
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void DoConvertToPng();
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private:
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// virtual function hiding supression
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size_t GetDataSize(const wxDataFormat& format) const
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{ return(wxDataObjectSimple::GetDataSize(format)); }
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bool GetDataHere(const wxDataFormat& format, void* pBuf) const
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{ return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
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bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
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{ return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
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};
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// ----------------------------------------------------------------------------
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// wxFileDataObject is a specialization of wxDataObject for file names
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase
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{
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public:
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// implement base class pure virtuals
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// ----------------------------------
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void AddFile( const wxString &filename );
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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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private:
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// virtual function hiding supression
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size_t GetDataSize(const wxDataFormat& format) const
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{ return(wxDataObjectSimple::GetDataSize(format)); }
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bool GetDataHere(const wxDataFormat& format, void* pBuf) const
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{ return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
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bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
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{ return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
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};
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#endif // _WX_GTK_DATAOBJ2_H_
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