| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/imagpng.h |
| | 3 | // Purpose: wxImage PNG handler |
| | 4 | // Author: Robert Roebling |
| | 5 | // RCS-ID: $Id$ |
| | 6 | // Copyright: (c) Robert Roebling |
| | 7 | // Licence: wxWindows licence |
| | 8 | ///////////////////////////////////////////////////////////////////////////// |
| | 9 | |
| | 10 | #ifndef _WX_IMAGPNG_H_ |
| | 11 | #define _WX_IMAGPNG_H_ |
| | 12 | |
| | 13 | #include "wx/defs.h" |
| | 14 | |
| | 15 | //----------------------------------------------------------------------------- |
| | 16 | // wxPNGHandler |
| | 17 | //----------------------------------------------------------------------------- |
| | 18 | |
| | 19 | #if wxUSE_LIBPNG |
| | 20 | |
| | 21 | #include "wx/image.h" |
| | 22 | #include "wx/versioninfo.h" |
| | 23 | |
| | 24 | #define wxIMAGE_OPTION_PNG_FORMAT wxT("PngFormat") |
| | 25 | #define wxIMAGE_OPTION_PNG_BITDEPTH wxT("PngBitDepth") |
| | 26 | #define wxIMAGE_OPTION_PNG_FILTER wxT("PngF") |
| | 27 | #define wxIMAGE_OPTION_PNG_COMPRESSION_LEVEL wxT("PngZL") |
| | 28 | #define wxIMAGE_OPTION_PNG_COMPRESSION_MEM_LEVEL wxT("PngZM") |
| | 29 | #define wxIMAGE_OPTION_PNG_COMPRESSION_STRATEGY wxT("PngZS") |
| | 30 | #define wxIMAGE_OPTION_PNG_COMPRESSION_BUFFER_SIZE wxT("PngZB") |
| | 31 | |
| | 32 | enum |
| | 33 | { |
| | 34 | wxPNG_TYPE_COLOUR = 0, |
| | 35 | wxPNG_TYPE_GREY = 2, |
| | 36 | wxPNG_TYPE_GREY_RED = 3, |
| | 37 | wxPNG_TYPE_PALETTE = 4 |
| | 38 | }; |
| | 39 | |
| | 40 | class WXDLLIMPEXP_CORE wxPNGHandler: public wxImageHandler |
| | 41 | { |
| | 42 | public: |
| | 43 | inline wxPNGHandler() |
| | 44 | { |
| | 45 | m_name = wxT("PNG file"); |
| | 46 | m_extension = wxT("png"); |
| | 47 | m_type = wxBITMAP_TYPE_PNG; |
| | 48 | m_mime = wxT("image/png"); |
| | 49 | } |
| | 50 | |
| | 51 | static wxVersionInfo GetLibraryVersionInfo(); |
| | 52 | |
| | 53 | #if wxUSE_STREAMS |
| | 54 | virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 ); |
| | 55 | virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true ); |
| | 56 | protected: |
| | 57 | virtual bool DoCanRead( wxInputStream& stream ); |
| | 58 | #endif |
| | 59 | |
| | 60 | private: |
| | 61 | DECLARE_DYNAMIC_CLASS(wxPNGHandler) |
| | 62 | }; |
| | 63 | |
| | 64 | #endif |
| | 65 | // wxUSE_LIBPNG |
| | 66 | |
| | 67 | #endif |
| | 68 | // _WX_IMAGPNG_H_ |
| | 69 | |
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