projects / wxWidgets.git / blame
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1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/anidecod.h | |
| 3 | // Purpose: wxANIDecoder, ANI reader for wxImage and wxAnimation | |
| 4 | // Author: Francesco Montorsi | |
| 5 | // CVS-ID: $Id$ | |
| 6 | // Copyright: (c) 2006 Francesco Montorsi | |
| 7 | // Licence: wxWindows licence | |
| 8 | ///////////////////////////////////////////////////////////////////////////// | |
| 9 | ||
| 10 | #ifndef _WX_ANIDECOD_H | |
| 11 | #define _WX_ANIDECOD_H | |
| 12 | ||
| 13 | #include "wx/defs.h" | |
| 14 | ||
| d18868bb | 15 | #if wxUSE_STREAMS && wxUSE_ICO_CUR |
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16 | |
| 17 | #include "wx/stream.h" | |
| 18 | #include "wx/image.h" | |
| 19 | #include "wx/animdecod.h" | |
| 7e0bac9d | 20 | #include "wx/dynarray.h" |
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21 | |
| 22 | ||
| 53a2db12 | 23 | class /*WXDLLIMPEXP_CORE*/ wxANIFrameInfo; // private implementation detail |
| 72045d57 | 24 | |
| e07c1146 PC |
25 | WX_DECLARE_EXPORTED_OBJARRAY(wxANIFrameInfo, wxANIFrameInfoArray); |
| 26 | WX_DECLARE_EXPORTED_OBJARRAY(wxImage, wxImageArray); | |
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27 | |
| 28 | // -------------------------------------------------------------------------- | |
| 29 | // wxANIDecoder class | |
| 30 | // -------------------------------------------------------------------------- | |
| 31 | ||
| 53a2db12 | 32 | class WXDLLIMPEXP_CORE wxANIDecoder : public wxAnimationDecoder |
| 72045d57 | 33 | { |
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34 | public: |
| 35 | // constructor, destructor, etc. | |
| 36 | wxANIDecoder(); | |
| 37 | ~wxANIDecoder(); | |
| 38 | ||
| 72045d57 | 39 | |
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40 | virtual wxSize GetFrameSize(unsigned int frame) const; |
| 41 | virtual wxPoint GetFramePosition(unsigned int frame) const; | |
| 42 | virtual wxAnimationDisposal GetDisposalMethod(unsigned int frame) const; | |
| 43 | virtual long GetDelay(unsigned int frame) const; | |
| 44 | virtual wxColour GetTransparentColour(unsigned int frame) const; | |
| 45 | ||
| 46 | // implementation of wxAnimationDecoder's pure virtuals | |
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47 | virtual bool CanRead( wxInputStream& stream ) const; |
| 48 | virtual bool Load( wxInputStream& stream ); | |
| 49 | ||
| 870cf35c | 50 | bool ConvertToImage(unsigned int frame, wxImage *image) const; |
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51 | |
| 52 | wxAnimationDecoder *Clone() const | |
| 53 | { return new wxANIDecoder; } | |
| 54 | wxAnimationType GetType() const | |
| 55 | { return wxANIMATION_TYPE_ANI; } | |
| 56 | ||
| 57 | private: | |
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58 | // frames stored as wxImage(s): ANI files are meant to be used mostly for animated |
| 59 | // cursors and thus they do not use any optimization to encode differences between | |
| 60 | // two frames: they are just a list of images to display sequentially. | |
| 61 | wxImageArray m_images; | |
| 62 | ||
| 63 | // the info about each image stored in m_images. | |
| 64 | // NB: m_info.GetCount() may differ from m_images.GetCount()! | |
| 65 | wxANIFrameInfoArray m_info; | |
| 66 | ||
| 67 | // this is the wxCURHandler used to load the ICON chunk of the ANI files | |
| 68 | static wxCURHandler sm_handler; | |
| 69 | ||
| 70 | ||
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71 | DECLARE_NO_COPY_CLASS(wxANIDecoder) |
| 72 | }; | |
| 73 | ||
| 74 | ||
| b0f76951 | 75 | #endif // wxUSE_STREAMS && wxUSE_ICO_CUR |
| 72045d57 | 76 | |
| d18868bb | 77 | #endif // _WX_ANIDECOD_H |