X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bc67cc550bcd9d5f93f88ae22a4f6ac7fafb5f7..97734a7f33d5aca59ac585631837e0339df7a6c9:/include/wx/image.h diff --git a/include/wx/image.h b/include/wx/image.h index dc93c603c6..e716998d2b 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_ @@ -18,90 +18,74 @@ #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; -class WXDLLEXPORT wxPNGHandler; -class WXDLLEXPORT wxBMPHandler; 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, 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; } - 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: +#if wxUSE_STREAMS + virtual bool DoCanRead( wxInputStream& stream ) = 0; +#endif // wxUSE_STREAMS + wxString m_name; wxString m_extension; + wxString m_mime; long m_type; - }; -//----------------------------------------------------------------------------- -// wxPNGHandler -//----------------------------------------------------------------------------- - -class WXDLLEXPORT wxPNGHandler: public wxImageHandler -{ - DECLARE_DYNAMIC_CLASS(wxPNGHandler) - -public: - - inline wxPNGHandler() - { - m_name = "PNG file"; - m_extension = "png"; - m_type = wxBITMAP_TYPE_PNG; - }; - - virtual bool LoadFile( wxImage *image, const wxString& name ); - virtual bool SaveFile( wxImage *image, const wxString& name ); -}; //----------------------------------------------------------------------------- -// wxBMPHandler +// wxImage //----------------------------------------------------------------------------- -class WXDLLEXPORT wxBMPHandler: public wxImageHandler + +// GRG: Dic/99 +class WXDLLEXPORT wxHNode { - DECLARE_DYNAMIC_CLASS(wxBMPHandler) - public: - - inline wxBMPHandler() - { - m_name = "BMP file"; - m_extension = "bmp"; - m_type = wxBITMAP_TYPE_BMP; - }; - - virtual bool LoadFile( wxImage *image, const wxString& name ); + unsigned long index; + unsigned long value; }; -//----------------------------------------------------------------------------- -// wxImage -//----------------------------------------------------------------------------- class WXDLLEXPORT wxImage: public wxObject { @@ -113,22 +97,54 @@ 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 + wxImage& Rescale( int width, int height ) { return *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 +152,7 @@ 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 +160,57 @@ 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(); + // GRG: Dic/99 + unsigned long CountColours( unsigned long stopafter = -1 ); + unsigned long ComputeHistogram( wxHashTable &h ); + + protected: static wxList sm_handlers; - + }; + +extern void WXDLLEXPORT wxInitAllImageHandlers(); + + +//----------------------------------------------------------------------------- +// 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" + #endif // _WX_IMAGE_H_ +