78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/anidecod.h
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// Purpose: wxANIDecoder, ANI reader for wxImage and wxAnimation
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// Author: Francesco Montorsi
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// CVS-ID: $Id$
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// Copyright: (c) 2006 Francesco Montorsi
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_ANIDECOD_H
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#define _WX_ANIDECOD_H
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#include "wx/defs.h"
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#if wxUSE_STREAMS && wxUSE_GIF
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#include "wx/stream.h"
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#include "wx/image.h"
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#include "wx/animdecod.h"
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class /*WXDLLEXPORT*/ wxANIFrameInfo;
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WX_DECLARE_OBJARRAY(wxANIFrameInfo, wxANIFrameInfoArray);
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WX_DECLARE_OBJARRAY(wxImage, wxImageArray);
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// --------------------------------------------------------------------------
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// wxANIDecoder class
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// --------------------------------------------------------------------------
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class WXDLLEXPORT wxANIDecoder : public wxAnimationDecoder
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{
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private:
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// frames stored as wxImage(s): ANI files are meant to be used mostly for animated
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// cursors and thus they do not use any optimization to encode differences between
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// two frames: they are just a list of images to display sequentially.
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wxImageArray m_images;
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// the info about each image stored in m_images.
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// NB: m_info.GetCount() may differ from m_images.GetCount()!
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wxANIFrameInfoArray m_info;
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// this is the wxCURHandler used to load the ICON chunk of the ANI files
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static wxCURHandler sm_handler;
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public:
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virtual wxSize GetFrameSize(size_t frame) const;
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virtual wxPoint GetFramePosition(size_t frame) const;
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virtual wxAnimationDisposal GetDisposalMethod(size_t frame) const;
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virtual long GetDelay(size_t frame) const;
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public:
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// constructor, destructor, etc.
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wxANIDecoder();
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~wxANIDecoder();
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public: // implementation of wxAnimationDecoder's pure virtuals
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virtual bool CanRead( wxInputStream& stream ) const;
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virtual bool Load( wxInputStream& stream );
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bool ConvertToImage(size_t frame, wxImage *image) const;
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wxAnimationDecoder *Clone() const
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{ return new wxANIDecoder; }
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wxAnimationType GetType() const
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{ return wxANIMATION_TYPE_ANI; }
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private:
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DECLARE_NO_COPY_CLASS(wxANIDecoder)
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};
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#endif // wxUSE_STREAM && wxUSE_GIF
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#endif // _WX_ANIDECOD_H
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