X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ac57418f39e9671c18b99942180563146625d3ae..721a4a08bce5245dd748a9f4c64c5d25a02e8155:/include/wx/image.h diff --git a/include/wx/image.h b/include/wx/image.h index ef5b924c1b..adfce58b9c 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_ @@ -18,165 +18,241 @@ #include "wx/object.h" #include "wx/string.h" #include "wx/gdicmn.h" +#include "wx/bitmap.h" + +#if wxUSE_STREAMS +# include "wx/stream.h" +#endif + +#if wxUSE_IMAGE //----------------------------------------------------------------------------- // classes //----------------------------------------------------------------------------- class WXDLLEXPORT wxImageHandler; -#ifdef wxUSE_LIBPNG -class WXDLLEXPORT wxPNGHandler; -#endif -class WXDLLEXPORT wxBMPHandler; class WXDLLEXPORT wxImage; -class WXDLLEXPORT wxBitmap; - //----------------------------------------------------------------------------- // wxImageHandler //----------------------------------------------------------------------------- class WXDLLEXPORT wxImageHandler: public wxObject { - DECLARE_DYNAMIC_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 ); - - 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; } - + wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; } + +#if wxUSE_STREAMS + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + + virtual int GetImageCount( wxInputStream& stream ); + + bool CanRead( wxInputStream& stream ) { return DoCanRead(stream); } + bool CanRead( const wxString& name ); +#endif // wxUSE_STREAMS + + 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; } + protected: - wxString m_name; - wxString m_extension; - long m_type; - +#if wxUSE_STREAMS + virtual bool DoCanRead( wxInputStream& stream ) = 0; +#endif // wxUSE_STREAMS + + wxString m_name; + wxString m_extension; + wxString m_mime; + long m_type; + +private: + DECLARE_CLASS(wxImageHandler) }; //----------------------------------------------------------------------------- -// wxPNGHandler +// wxImage //----------------------------------------------------------------------------- -#ifdef wxUSE_LIBPNG -class WXDLLEXPORT wxPNGHandler: public wxImageHandler +class WXDLLEXPORT wxHNode +{ +public: + unsigned long index; + unsigned long value; +}; + +class WXDLLEXPORT wxImage: public wxObject { - DECLARE_DYNAMIC_CLASS(wxPNGHandler) - public: + wxImage(); + wxImage( int width, int height ); + wxImage( int width, int height, unsigned char* data, bool static_data = FALSE ); + 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 ); - inline wxPNGHandler() - { - m_name = "PNG file"; - m_extension = "png"; - m_type = wxBITMAP_TYPE_PNG; - }; + wxImage( const wxImage& image ); + wxImage( const wxImage* image ); - virtual bool LoadFile( wxImage *image, const wxString& name ); - virtual bool SaveFile( wxImage *image, const wxString& name ); -}; +#if wxUSE_GUI + // convertion to/from wxBitmap (deprecated, use wxBitmap's methods instead): + wxImage( const wxBitmap &bitmap ); + wxBitmap ConvertToBitmap() const; +#ifdef __WXGTK__ + wxBitmap ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue ) const; +#endif #endif -//----------------------------------------------------------------------------- -// wxBMPHandler -//----------------------------------------------------------------------------- + void Create( int width, int height ); + void Create( int width, int height, unsigned char* data, bool static_data = FALSE ); + void Destroy(); -class WXDLLEXPORT wxBMPHandler: public wxImageHandler -{ - DECLARE_DYNAMIC_CLASS(wxBMPHandler) - -public: + // creates an identical copy of the image (the = operator + // just raises the ref count) + wxImage Copy() const; + + // return the new image with size width*height + wxImage GetSubImage( const wxRect& ) const; + + // pastes image into this instance and takes care of + // the mask colour and out of bounds problems + void Paste( const wxImage &image, int x, int y ); - inline wxBMPHandler() - { - m_name = "BMP file"; - m_extension = "bmp"; - m_type = wxBITMAP_TYPE_BMP; - }; + // return the new image with size width*height + wxImage Scale( int width, int height ) const; - virtual bool LoadFile( wxImage *image, const wxString& name ); -}; + // rescales the image in place + wxImage& Rescale( int width, int height ) { return *this = Scale(width, height); } -//----------------------------------------------------------------------------- -// wxImage -//----------------------------------------------------------------------------- + // Rotates the image about the given point, 'angle' radians. + // Returns the rotated image, leaving this image intact. + wxImage Rotate(double angle, const wxPoint & centre_of_rotation, + bool interpolating = TRUE, wxPoint * offset_after_rotation = (wxPoint*) NULL) const; -class WXDLLEXPORT wxImage: public wxObject -{ - DECLARE_DYNAMIC_CLASS(wxImage) + wxImage Rotate90( bool clockwise = TRUE ) const; + wxImage Mirror( bool horizontally = TRUE ) const; - friend class WXDLLEXPORT wxImageHandler; + // replace one colour with another + void Replace( unsigned char r1, unsigned char g1, unsigned char b1, + unsigned char r2, unsigned char g2, unsigned char b2 ); + + // convert to monochrome image ( will be replaced by white, everything else by black) + wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const; -public: + // 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 ) const; + unsigned char GetGreen( int x, int y ) const; + unsigned char GetBlue( int x, int y ) const; + + 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; + int GetHeight() const; + + char unsigned *GetData() const; + void SetData( char unsigned *data ); + void SetData( char unsigned *data, int new_width, int new_height ); + + // Mask functions + void SetMaskColour( unsigned char r, unsigned char g, unsigned char b ); + unsigned char GetMaskRed() const; + unsigned char GetMaskGreen() const; + unsigned char GetMaskBlue() const; + void SetMask( bool mask = TRUE ); + bool HasMask() const; + + // Palette functions + bool HasPalette() const; + const wxPalette& GetPalette() const; + void SetPalette(const wxPalette& palette); + + // Option functions (arbitrary name/value mapping) + void SetOption(const wxString& name, const wxString& value); + void SetOption(const wxString& name, int value); + wxString GetOption(const wxString& name) const; + int GetOptionInt(const wxString& name) const; + bool HasOption(const wxString& name) const; + + unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 ); + unsigned long ComputeHistogram( wxHashTable &h ); - wxImage(); - wxImage( int width, int height ); - wxImage( const wxString& name, long type = wxBITMAP_TYPE_PNG ); - - wxImage( const wxImage& image ); - wxImage( const wxImage* image ); - - // these functions get implemented in /src/(platform)/bitmap.cpp - wxImage( const wxBitmap &bitmap ); - wxBitmap ConvertToBitmap() const; - - void Create( int width, int height ); - void Destroy(); - - wxImage Scale( int width, int 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 ); - - virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_PNG ); - virtual bool SaveFile( const wxString& name, int type ); - - bool Ok() const; - int GetWidth() const; - int GetHeight() const; - - 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; - unsigned char GetMaskBlue() const; - 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) - { return m_refData == image.m_refData; } - inline bool operator != (const wxImage& image) - { return m_refData != image.m_refData; } - - static inline 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 void CleanUpHandlers(); - static void InitStandardHandlers(); + wxImage& operator = (const wxImage& image) + { + if ( (*this) != image ) + Ref(image); + return *this; + } + + bool operator == (const wxImage& image) + { return m_refData == image.m_refData; } + bool operator != (const wxImage& image) + { return m_refData != image.m_refData; } + + 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; + +private: + friend class WXDLLEXPORT wxImageHandler; - static wxList sm_handlers; - + DECLARE_DYNAMIC_CLASS(wxImage) }; + +extern void WXDLLEXPORT wxInitAllImageHandlers(); + +WXDLLEXPORT_DATA(extern wxImage) wxNullImage; + +//----------------------------------------------------------------------------- +// wxImage handlers +//----------------------------------------------------------------------------- + +#include "wx/imagbmp.h" +#include "wx/imagpng.h" +#include "wx/imaggif.h" +#include "wx/imagpcx.h" +#include "wx/imagjpeg.h" +#include "wx/imagtiff.h" +#include "wx/imagpnm.h" +#include "wx/imagxpm.h" + +#endif // wxUSE_IMAGE + #endif // _WX_IMAGE_H_ +