X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/60d43ad883f16c458928fa7e4e1dbb96f492e77a..57fbe23f68f9ef92b8ef7e26bd06b399b53e33b2:/include/wx/image.h diff --git a/include/wx/image.h b/include/wx/image.h index 9cee5d69f8..257fd9773b 100644 --- a/include/wx/image.h +++ b/include/wx/image.h @@ -10,7 +10,7 @@ #ifndef _WX_IMAGE_H_ #define _WX_IMAGE_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(__APPLE__) #pragma interface "image.h" #endif @@ -19,6 +19,7 @@ #include "wx/string.h" #include "wx/gdicmn.h" #include "wx/bitmap.h" +#include "wx/hashmap.h" #if wxUSE_STREAMS # include "wx/stream.h" @@ -26,6 +27,8 @@ #if wxUSE_IMAGE +#define wxIMAGE_OPTION_FILENAME wxString(_T("FileName")) + //----------------------------------------------------------------------------- // classes //----------------------------------------------------------------------------- @@ -40,15 +43,17 @@ class WXDLLEXPORT wxImage; class WXDLLEXPORT wxImageHandler: public wxObject { public: - wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; } + wxImageHandler() + : m_name(wxT("")), m_extension(wxT("")), m_mime(), m_type(0) + { } #if wxUSE_STREAMS - virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 ); + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=-1 ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); - virtual int GetImagesCount( wxInputStream& stream ); + virtual int GetImageCount( wxInputStream& stream ); - bool CanRead( wxInputStream& stream ) { return DoCanRead(stream); } + bool CanRead( wxInputStream& stream ) { return CallDoCanRead(stream); } bool CanRead( const wxString& name ); #endif // wxUSE_STREAMS @@ -64,6 +69,9 @@ public: protected: #if wxUSE_STREAMS virtual bool DoCanRead( wxInputStream& stream ) = 0; + + // save the stream position, call DoCanRead() and restore the position + bool CallDoCanRead(wxInputStream& stream); #endif // wxUSE_STREAMS wxString m_name; @@ -76,16 +84,25 @@ private: }; //----------------------------------------------------------------------------- -// wxImage +// wxImageHistogram //----------------------------------------------------------------------------- -class WXDLLEXPORT wxHNode +class WXDLLEXPORT wxImageHistogramEntry { public: + wxImageHistogramEntry() : index(0), value(0) {} unsigned long index; unsigned long value; }; +WX_DECLARE_EXPORTED_HASH_MAP(unsigned long, wxImageHistogramEntry, + wxIntegerHash, wxIntegerEqual, + wxImageHistogram); + +//----------------------------------------------------------------------------- +// wxImage +//----------------------------------------------------------------------------- + class WXDLLEXPORT wxImage: public wxObject { public: @@ -103,10 +120,10 @@ public: wxImage( const wxImage& image ); wxImage( const wxImage* image ); -#if wxUSE_GUI - // convertion to/from wxBitmap (deprecated, use wxBitmap's methods instead): - wxImage( const wxBitmap &bitmap ); - wxBitmap ConvertToBitmap() const; +#if WXWIN_COMPATIBILITY_2_2 && wxUSE_GUI + // conversion to/from wxBitmap (deprecated, use wxBitmap's methods instead): + wxDEPRECATED( wxImage(const wxBitmap &bitmap) ); + wxDEPRECATED( wxBitmap ConvertToBitmap() const ); #ifdef __WXGTK__ wxBitmap ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue ) const; #endif @@ -158,29 +175,30 @@ public: // RGB values than bool FindFirstUnusedColour( unsigned char *r, unsigned char *g, unsigned char *b, unsigned char startR = 1, unsigned char startG = 0, - unsigned char startB = 0 ); + unsigned char startB = 0 ) const; // Set image's mask to the area of 'mask' that has colour bool SetMaskFromImage(const wxImage & mask, unsigned char mr, unsigned char mg, unsigned char mb); static bool CanRead( const wxString& name ); - static int GetImagesCount( const wxString& name, long type = wxBITMAP_TYPE_ANY ); + static int GetImageCount( const wxString& name, long type = wxBITMAP_TYPE_ANY ); virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 ); virtual bool LoadFile( const wxString& name, const wxString& mimetype, int index = -1 ); #if wxUSE_STREAMS static bool CanRead( wxInputStream& stream ); - static int GetImagesCount( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY ); + static int GetImageCount( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY ); virtual bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1 ); virtual bool LoadFile( wxInputStream& stream, const wxString& mimetype, int index = -1 ); #endif - virtual bool SaveFile( const wxString& name, int type ); - virtual bool SaveFile( const wxString& name, const wxString& mimetype ); + virtual bool SaveFile( const wxString& name ) const; + virtual bool SaveFile( const wxString& name, int type ) const; + virtual bool SaveFile( const wxString& name, const wxString& mimetype ) const; #if wxUSE_STREAMS - virtual bool SaveFile( wxOutputStream& stream, int type ); - virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype ); + virtual bool SaveFile( wxOutputStream& stream, int type ) const; + virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype ) const; #endif bool Ok() const; @@ -213,8 +231,15 @@ public: 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 ); + unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 ) const; + + // Computes the histogram of the image and fills a hash table, indexed + // with integer keys built as 0xRRGGBB, containing wxImageHistogramEntry + // objects. Each of them contains an 'index' (useful to build a palette + // with the image colours) and a 'value', which is the number of pixels + // in the image with that colour. + // Returned value: # of entries in the histogram + unsigned long ComputeHistogram( wxImageHistogram &h ) const; wxImage& operator = (const wxImage& image) { @@ -223,9 +248,9 @@ public: return *this; } - bool operator == (const wxImage& image) + bool operator == (const wxImage& image) const { return m_refData == image.m_refData; } - bool operator != (const wxImage& image) + bool operator != (const wxImage& image) const { return m_refData != image.m_refData; } static wxList& GetHandlers() { return sm_handlers; } @@ -266,6 +291,7 @@ WXDLLEXPORT_DATA(extern wxImage) wxNullImage; #include "wx/imagtiff.h" #include "wx/imagpnm.h" #include "wx/imagxpm.h" +#include "wx/imagiff.h" #endif // wxUSE_IMAGE