wxWidgets/include/wx/anidecod.h

77 lines
2.4 KiB
C++

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