X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bc67cc550bcd9d5f93f88ae22a4f6ac7fafb5f7..9739d9ee8090965862ba623b09a8fba731dc3d5c:/include/wx/image.h diff --git a/include/wx/image.h b/include/wx/image.h index dc93c603c6..f72667091b 100644 --- a/include/wx/image.h +++ b/include/wx/image.h @@ -4,7 +4,7 @@ // Author: Robert Roebling // RCS-ID: $Id$ // Copyright: (c) Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_IMAGE_H_ @@ -18,54 +18,82 @@ #include "wx/object.h" #include "wx/string.h" #include "wx/gdicmn.h" +#include "wx/bitmap.h" + +#if wxUSE_STREAMS +# include "wx/stream.h" +#endif //----------------------------------------------------------------------------- // classes //----------------------------------------------------------------------------- class WXDLLEXPORT wxImageHandler; +#if wxUSE_LIBPNG class WXDLLEXPORT wxPNGHandler; +#endif +#if wxUSE_LIBJPEG +class WXDLLEXPORT wxJPEGHandler; +#endif class WXDLLEXPORT wxBMPHandler; +#if wxUSE_GIF +class WXDLLEXPORT wxGIFHandler; +#endif +#if wxUSE_PNM +class WXDLLEXPORT wxPNMHandler; +#endif +#if wxUSE_PCX +class WXDLLEXPORT wxPCXHandler; +#endif class WXDLLEXPORT wxImage; -class WXDLLEXPORT wxBitmap; - //----------------------------------------------------------------------------- // wxImageHandler //----------------------------------------------------------------------------- class WXDLLEXPORT wxImageHandler: public wxObject { - DECLARE_DYNAMIC_CLASS(wxImageHandler) - + DECLARE_CLASS(wxImageHandler) + public: wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; } - virtual bool LoadFile( wxImage *image, const wxString& name ); - virtual bool SaveFile( wxImage *image, const wxString& name ); +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + + bool CanRead( wxInputStream& stream ) { return DoCanRead(stream); } + bool CanRead( const wxString& name ); +#endif + + void SetName(const wxString& name) { m_name = name; } + void SetExtension(const wxString& ext) { m_extension = ext; } + void SetType(long type) { m_type = type; } + void SetMimeType(const wxString& type) { m_mime = type; } + wxString GetName() const { return m_name; } + wxString GetExtension() const { return m_extension; } + long GetType() const { return m_type; } + wxString GetMimeType() const { return m_mime; } - inline void SetName(const wxString& name) { m_name = name; } - inline void SetExtension(const wxString& ext) { m_extension = ext; } - inline void SetType(long type) { m_type = type; } - inline wxString GetName() const { return m_name; } - inline wxString GetExtension() const { return m_extension; } - inline long GetType() const { return m_type; } - protected: + virtual bool DoCanRead( wxInputStream& stream ) = 0; + wxString m_name; wxString m_extension; + wxString m_mime; long m_type; - + }; //----------------------------------------------------------------------------- // wxPNGHandler //----------------------------------------------------------------------------- +#if wxUSE_LIBPNG class WXDLLEXPORT wxPNGHandler: public wxImageHandler { DECLARE_DYNAMIC_CLASS(wxPNGHandler) - + public: inline wxPNGHandler() @@ -73,11 +101,43 @@ public: m_name = "PNG file"; m_extension = "png"; m_type = wxBITMAP_TYPE_PNG; + m_mime = "image/png"; }; - virtual bool LoadFile( wxImage *image, const wxString& name ); - virtual bool SaveFile( wxImage *image, const wxString& name ); +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + virtual bool DoCanRead( wxInputStream& stream ); +#endif }; +#endif + +//----------------------------------------------------------------------------- +// wxJPEGHandler +//----------------------------------------------------------------------------- + +#if wxUSE_LIBJPEG +class WXDLLEXPORT wxJPEGHandler: public wxImageHandler +{ + DECLARE_DYNAMIC_CLASS(wxJPEGHandler) + +public: + + inline wxJPEGHandler() + { + m_name = "JPEG file"; + m_extension = "jpg"; + m_type = wxBITMAP_TYPE_JPEG; + m_mime = "image/jpeg"; + }; + +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + virtual bool DoCanRead( wxInputStream& stream ); +#endif +}; +#endif //----------------------------------------------------------------------------- // wxBMPHandler @@ -86,7 +146,7 @@ public: class WXDLLEXPORT wxBMPHandler: public wxImageHandler { DECLARE_DYNAMIC_CLASS(wxBMPHandler) - + public: inline wxBMPHandler() @@ -94,11 +154,97 @@ public: m_name = "BMP file"; m_extension = "bmp"; m_type = wxBITMAP_TYPE_BMP; + m_mime = "image/bmp"; }; - virtual bool LoadFile( wxImage *image, const wxString& name ); +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool DoCanRead( wxInputStream& stream ); +#endif }; +//----------------------------------------------------------------------------- +// wxGIFHandler +//----------------------------------------------------------------------------- + +#if wxUSE_GIF + +class WXDLLEXPORT wxGIFHandler : public wxImageHandler +{ + DECLARE_DYNAMIC_CLASS(wxGIFHandler) + +public: + + inline wxGIFHandler() + { + m_name = "GIF file"; + m_extension = "gif"; + m_type = wxBITMAP_TYPE_GIF; + m_mime = "image/gif"; + }; + +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + virtual bool DoCanRead( wxInputStream& stream ); +#endif +}; +#endif + +//----------------------------------------------------------------------------- +// wxPNMHandler +//----------------------------------------------------------------------------- + +#if wxUSE_PNM +class WXDLLEXPORT wxPNMHandler : public wxImageHandler +{ + DECLARE_DYNAMIC_CLASS(wxPNMHandler) + +public: + + inline wxPNMHandler() + { + m_name = "PNM file"; + m_extension = "pnm"; + m_type = wxBITMAP_TYPE_PNM; + m_mime = "image/pnm"; + }; + +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + virtual bool DoCanRead( wxInputStream& stream ); +#endif +}; +#endif + +//----------------------------------------------------------------------------- +// wxPCXHandler +//----------------------------------------------------------------------------- + +#if wxUSE_PCX +class WXDLLEXPORT wxPCXHandler : public wxImageHandler +{ + DECLARE_DYNAMIC_CLASS(wxPCXHandler) + +public: + + inline wxPCXHandler() + { + m_name = "PCX file"; + m_extension = "pcx"; + m_type = wxBITMAP_TYPE_PCX; + m_mime = "image/pcx"; + }; + +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + virtual bool DoCanRead( wxInputStream& stream ); +#endif // wxUSE_STREAMS +}; +#endif // wxUSE_PCX + //----------------------------------------------------------------------------- // wxImage //----------------------------------------------------------------------------- @@ -113,22 +259,54 @@ public: wxImage(); wxImage( int width, int height ); - wxImage( const wxString& name, long type = wxBITMAP_TYPE_PNG ); - + wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY ); + wxImage( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY ); + wxImage( const wxString& name, const wxString& mimetype ); + wxImage( wxInputStream& stream, const wxString& mimetype ); + wxImage( const wxImage& image ); wxImage( const wxImage* image ); - - // these functions get implemented in /src/(platform)/bitmap.cpp + + // these functions get implemented in /src/(platform)/bitmap.cpp wxImage( const wxBitmap &bitmap ); + operator wxBitmap() const { return ConvertToBitmap(); } wxBitmap ConvertToBitmap() const; void Create( int width, int height ); void Destroy(); - - wxImage Scale( int width, int height ); - - virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_PNG ); + + // return the new image with size width*height + wxImage GetSubImage( const wxRect& ) const; + + // return the new image with size width*height + wxImage Scale( int width, int height ) const; + + // rescales the image in place + void Rescale( int width, int height ) { *this = Scale(width, height); } + + // these routines are slow but safe + void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ); + unsigned char GetRed( int x, int y ); + unsigned char GetGreen( int x, int y ); + unsigned char GetBlue( int x, int y ); + + static bool CanRead( const wxString& name ); + virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_ANY ); + virtual bool LoadFile( const wxString& name, const wxString& mimetype ); + +#if wxUSE_STREAMS + static bool CanRead( wxInputStream& stream ); + virtual bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY ); + virtual bool LoadFile( wxInputStream& stream, const wxString& mimetype ); +#endif + virtual bool SaveFile( const wxString& name, int type ); + virtual bool SaveFile( const wxString& name, const wxString& mimetype ); + +#if wxUSE_STREAMS + virtual bool SaveFile( wxOutputStream& stream, int type ); + virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype ); +#endif bool Ok() const; int GetWidth() const; @@ -136,7 +314,7 @@ public: char unsigned *GetData() const; void SetData( char unsigned *data ); - + void SetMaskColour( unsigned char r, unsigned char g, unsigned char b ); unsigned char GetMaskRed() const; unsigned char GetMaskGreen() const; @@ -144,29 +322,38 @@ public: void SetMask( bool mask = TRUE ); bool HasMask() const; - inline wxImage& operator = (const wxImage& image) - { if (*this == image) return (*this); Ref(image); return *this; } - inline bool operator == (const wxImage& image) + wxImage& operator = (const wxImage& image) + { + if ( (*this) != image ) + Ref(image); + return *this; + } + + bool operator == (const wxImage& image) { return m_refData == image.m_refData; } - inline bool operator != (const wxImage& image) + bool operator != (const wxImage& image) { return m_refData != image.m_refData; } - static inline wxList& GetHandlers() { return sm_handlers; } + static wxList& GetHandlers() { return sm_handlers; } static void AddHandler( wxImageHandler *handler ); static void InsertHandler( wxImageHandler *handler ); static bool RemoveHandler( const wxString& name ); static wxImageHandler *FindHandler( const wxString& name ); static wxImageHandler *FindHandler( const wxString& extension, long imageType ); static wxImageHandler *FindHandler( long imageType ); - + static wxImageHandler *FindHandlerMime( const wxString& mimetype ); + static void CleanUpHandlers(); static void InitStandardHandlers(); protected: static wxList sm_handlers; - + }; +extern void WXDLLEXPORT wxInitAllImageHandlers(); + #endif // _WX_IMAGE_H_ +