X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fa8bc37bc20613e53136f26882aee31e11bef131..472eec8a0391538e4dcf7f7c6c4f4d44c8383616:/include/wx/colour.h?ds=sidebyside diff --git a/include/wx/colour.h b/include/wx/colour.h index 98a8c29891..afe6371475 100644 --- a/include/wx/colour.h +++ b/include/wx/colour.h @@ -16,16 +16,20 @@ #include "wx/gdiobj.h" +class WXDLLIMPEXP_FWD_CORE wxColour; + // the standard wxColour constructors; // this macro avoids to repeat these lines across all colour.h files, since // Set() is a virtual function and thus cannot be called by wxColourBase // constructors -#define DEFINE_STD_WXCOLOUR_CONSTRUCTORS \ - wxColour( unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha = 255 ) \ - { Set(red, green, blue, alpha); } \ - wxColour( unsigned long colRGB ) { Set(colRGB); } \ - wxColour(const wxString &colourName) { Set(colourName); } \ - wxColour(const wxChar *colourName) { Set(colourName); } +#define DEFINE_STD_WXCOLOUR_CONSTRUCTORS \ + wxColour( ChannelType red, ChannelType green, ChannelType blue, \ + ChannelType alpha = wxALPHA_OPAQUE ) \ + { Set(red, green, blue, alpha); } \ + wxColour( unsigned long colRGB ) { Set(colRGB); } \ + wxColour(const wxString& colourName) { Set(colourName); } \ + wxColour(const char *colourName) { Set(colourName); } \ + wxColour(const wchar_t *colourName) { Set(colourName); } // flags for wxColour -> wxString conversion (see wxColour::GetAsString) @@ -34,8 +38,17 @@ #define wxC2S_HTML_SYNTAX 4 // return colour in #rrggbb syntax -class WXDLLEXPORT wxColour; +const unsigned char wxALPHA_TRANSPARENT = 0; +const unsigned char wxALPHA_OPAQUE = 0xff; + +// ---------------------------------------------------------------------------- +// wxVariant support +// ---------------------------------------------------------------------------- +#if wxUSE_VARIANT +#include "wx/variant.h" +DECLARE_VARIANT_OBJECT_EXPORTED(wxColour,WXDLLEXPORT) +#endif //----------------------------------------------------------------------------- // wxColourBase: this class has no data members, just some functions to avoid @@ -44,19 +57,10 @@ class WXDLLEXPORT wxColour; class WXDLLEXPORT wxColourBase : public wxGDIObject { -protected: - - virtual void InitWith(unsigned char red, unsigned char green, unsigned char blue) = 0; - - // this will be overridden in alpha supporting classes - virtual void InitWith(unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha) - { - InitWith( red, green, blue ) ; - } - - virtual bool FromString(const wxChar *); - public: + // type of a single colour component + typedef unsigned char ChannelType; + wxColourBase() {} virtual ~wxColourBase() {} @@ -64,23 +68,23 @@ public: // Set() functions // --------------- - void Set(unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha = 255) - { InitWith(red,green,blue, alpha); } + void Set(ChannelType red, + ChannelType green, + ChannelType blue, + ChannelType alpha = wxALPHA_OPAQUE) + { InitRGBA(red,green,blue, alpha); } // implemented in colourcmn.cpp - bool Set(const wxChar *str) - { return FromString(str); } - bool Set(const wxString &str) - { return Set((const wxChar *)str); } + { return FromString(str); } void Set(unsigned long colRGB) { // we don't need to know sizeof(long) here because we assume that the three // least significant bytes contain the R, G and B values - Set((unsigned char)colRGB, - (unsigned char)(colRGB >> 8), - (unsigned char)(colRGB >> 16)); + Set((ChannelType)(0xFF & colRGB), + (ChannelType)(0xFF & (colRGB >> 8)), + (ChannelType)(0xFF & (colRGB >> 16))); } @@ -88,13 +92,14 @@ public: // accessors // --------- - virtual bool Ok() const = 0; + virtual bool Ok() const { return IsOk(); } + virtual bool IsOk() const = 0; - virtual unsigned char Red() const = 0; - virtual unsigned char Green() const = 0; - virtual unsigned char Blue() const = 0; - virtual unsigned char Alpha() const - { return 255 ; } + virtual ChannelType Red() const = 0; + virtual ChannelType Green() const = 0; + virtual ChannelType Blue() const = 0; + virtual ChannelType Alpha() const + { return wxALPHA_OPAQUE ; } // implemented in colourcmn.cpp virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const; @@ -108,33 +113,45 @@ public: wxDEPRECATED( static wxColour CreateByName(const wxString& name) ); wxDEPRECATED( void InitFromName(const wxString& col) ); #endif + +protected: + virtual void + InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a) = 0; + + virtual bool FromString(const wxString& s); }; +// wxColour <-> wxString utilities, used by wxConfig, defined in colourcmn.cpp +WXDLLIMPEXP_CORE wxString wxToString(const wxColourBase& col); +WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxColourBase* col); + + #if defined(__WXPALMOS__) -#include "wx/generic/colour.h" + #include "wx/generic/colour.h" #elif defined(__WXMSW__) -#include "wx/msw/colour.h" + #include "wx/msw/colour.h" #elif defined(__WXMOTIF__) -#include "wx/motif/colour.h" + #include "wx/motif/colour.h" #elif defined(__WXGTK20__) -#include "wx/gtk/colour.h" + #include "wx/gtk/colour.h" #elif defined(__WXGTK__) -#include "wx/gtk1/colour.h" + #include "wx/gtk1/colour.h" #elif defined(__WXMGL__) -#include "wx/generic/colour.h" + #include "wx/generic/colour.h" +#elif defined(__WXDFB__) + #include "wx/generic/colour.h" #elif defined(__WXX11__) -#include "wx/x11/colour.h" + #include "wx/x11/colour.h" #elif defined(__WXMAC__) -#include "wx/mac/colour.h" + #include "wx/mac/colour.h" #elif defined(__WXCOCOA__) -#include "wx/cocoa/colour.h" + #include "wx/cocoa/colour.h" #elif defined(__WXPM__) -#include "wx/os2/colour.h" + #include "wx/os2/colour.h" #endif #define wxColor wxColour -#endif - // _WX_COLOUR_H_BASE_ +#endif // _WX_COLOUR_H_BASE_