projects / wxWidgets.git / blame
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|---|---|---|
| 72045d57 VZ |
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" | |
| 20 | ||
| 21 | ||
| 22 | class /*WXDLLEXPORT*/ wxANIFrameInfo; | |
| 23 | ||
| e07c1146 PC |
24 | WX_DECLARE_EXPORTED_OBJARRAY(wxANIFrameInfo, wxANIFrameInfoArray); |
| 25 | WX_DECLARE_EXPORTED_OBJARRAY(wxImage, wxImageArray); | |
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26 | |
| 27 | // -------------------------------------------------------------------------- | |
| 28 | // wxANIDecoder class | |
| 29 | // -------------------------------------------------------------------------- | |
| 30 | ||
| 31 | class WXDLLEXPORT wxANIDecoder : public wxAnimationDecoder | |
| 32 | { | |
| 33 | private: | |
| 34 | ||
| 35 | // frames stored as wxImage(s): ANI files are meant to be used mostly for animated | |
| 36 | // cursors and thus they do not use any optimization to encode differences between | |
| 37 | // two frames: they are just a list of images to display sequentially. | |
| 38 | wxImageArray m_images; | |
| 39 | ||
| 40 | // the info about each image stored in m_images. | |
| 41 | // NB: m_info.GetCount() may differ from m_images.GetCount()! | |
| 42 | wxANIFrameInfoArray m_info; | |
| 43 | ||
| 44 | // this is the wxCURHandler used to load the ICON chunk of the ANI files | |
| 45 | static wxCURHandler sm_handler; | |
| 46 | ||
| 47 | public: | |
| 48 | virtual wxSize GetFrameSize(size_t frame) const; | |
| 49 | virtual wxPoint GetFramePosition(size_t frame) const; | |
| 50 | virtual wxAnimationDisposal GetDisposalMethod(size_t frame) const; | |
| 51 | virtual long GetDelay(size_t frame) const; | |
| 05a98b6d | 52 | virtual wxColour GetTransparentColour(size_t frame) const; |
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53 | |
| 54 | public: | |
| 55 | // constructor, destructor, etc. | |
| 56 | wxANIDecoder(); | |
| 57 | ~wxANIDecoder(); | |
| 58 | ||
| 59 | public: // implementation of wxAnimationDecoder's pure virtuals | |
| 60 | ||
| 61 | virtual bool CanRead( wxInputStream& stream ) const; | |
| 62 | virtual bool Load( wxInputStream& stream ); | |
| 63 | ||
| 64 | bool ConvertToImage(size_t frame, wxImage *image) const; | |
| 65 | ||
| 66 | wxAnimationDecoder *Clone() const | |
| 67 | { return new wxANIDecoder; } | |
| 68 | wxAnimationType GetType() const | |
| 69 | { return wxANIMATION_TYPE_ANI; } | |
| 70 | ||
| 71 | private: | |
| 72 | DECLARE_NO_COPY_CLASS(wxANIDecoder) | |
| 73 | }; | |
| 74 | ||
| 75 | ||
| d18868bb | 76 | #endif // wxUSE_STREAM && wxUSE_ICO_CUR |
| 72045d57 | 77 | |
| d18868bb | 78 | #endif // _WX_ANIDECOD_H |