X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/198c264dbcf226b5df0eed219aef30d6fdc38a71..a3b7db872925df2921f36637a84085ec04cf977a:/src/common/colourcmn.cpp diff --git a/src/common/colourcmn.cpp b/src/common/colourcmn.cpp index 943ceb5683..70e4a1d9ca 100644 --- a/src/common/colourcmn.cpp +++ b/src/common/colourcmn.cpp @@ -30,6 +30,59 @@ IMPLEMENT_VARIANT_OBJECT_EXPORTED(wxColour,WXDLLEXPORT) #endif + +// ---------------------------------------------------------------------------- +// XTI +// ---------------------------------------------------------------------------- + +#if wxUSE_EXTENDED_RTTI + +#include + +template<> void wxStringReadValue(const wxString &s, wxColour &data ) +{ + if ( !data.Set(s) ) + { + wxLogError(_("String To Colour : Incorrect colour specification : %s"), + s.c_str() ); + data = wxNullColour; + } +} + +template<> void wxStringWriteValue(wxString &s, const wxColour &data ) +{ + s = data.GetAsString(wxC2S_HTML_SYNTAX); +} + +wxTO_STRING_IMP( wxColour ) +wxFROM_STRING_IMP( wxColour ) + +wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_AND_STREAMERS_XTI( wxColour, wxObject, \ + "wx/colour.h", &wxTO_STRING( wxColour ), &wxFROM_STRING( wxColour )) +//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl) +wxBEGIN_PROPERTIES_TABLE(wxColour) +wxREADONLY_PROPERTY( Red, unsigned char, Red, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) +wxREADONLY_PROPERTY( Green, unsigned char, Green, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) +wxREADONLY_PROPERTY( Blue, unsigned char, Blue, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) +wxEND_PROPERTIES_TABLE() + +wxDIRECT_CONSTRUCTOR_3( wxColour, unsigned char, Red, \ + unsigned char, Green, unsigned char, Blue ) + +wxEMPTY_HANDLERS_TABLE(wxColour) +#else + +#if wxCOLOUR_IS_GDIOBJECT +wxIMPLEMENT_DYNAMIC_CLASS(wxColour, wxGDIObject) +#else +wxIMPLEMENT_DYNAMIC_CLASS(wxColour, wxObject) +#endif + +#endif + // ============================================================================ // wxString <-> wxColour conversions // ============================================================================ @@ -48,10 +101,48 @@ bool wxColourBase::FromString(const wxString& str) alpha = wxALPHA_OPAQUE; if ( str.length() > 3 && (str[3] == wxT('a') || str[3] == wxT('A')) ) { - float a; - // TODO: use locale-independent function - if ( wxSscanf(str.wx_str() + 4, wxT("( %d , %d , %d , %f )"), - &red, &green, &blue, &a) != 4 ) + // We can't use sscanf() for the alpha value as sscanf() uses the + // current locale while the floating point numbers in CSS always + // use point as decimal separator, regardless of locale. So parse + // the tail of the string manually by putting it in a buffer and + // using wxString::ToCDouble() below. Notice that we can't use "%s" + // for this as it stops at white space and we need "%c" to avoid + // this and really get all the rest of the string into the buffer. + + const unsigned len = str.length(); // always big enough + wxCharBuffer alphaBuf(len); + char * const alphaPtr = alphaBuf.data(); + + for ( unsigned n = 0; n < len; n++ ) + alphaPtr[n] = '\0'; + + // Construct the format string which ensures that the last argument + // receives all the rest of the string. + wxString formatStr; + formatStr << wxS("( %d , %d , %d , %") << len << 'c'; + + // Notice that we use sscanf() here because if the string is not + // ASCII it can't represent a valid RGB colour specification anyhow + // and like this we can be sure that %c corresponds to "char *" + // while with wxSscanf() it depends on the type of the string + // passed as first argument: if it is a wide string, then %c + // expects "wchar_t *" matching parameter under MSW for example. + if ( sscanf(str.c_str() + 4, + formatStr.mb_str(), + &red, &green, &blue, alphaPtr) != 4 ) + return false; + + // Notice that we must explicitly specify the length to get rid of + // trailing NULs. + wxString alphaStr(alphaPtr, wxStrlen(alphaPtr)); + if ( alphaStr.empty() || alphaStr.Last() != ')' ) + return false; + + alphaStr.RemoveLast(); + alphaStr.Trim(); + + double a; + if ( !alphaStr.ToCDouble(&a) ) return false; alpha = wxRound(a * 255); @@ -86,13 +177,13 @@ bool wxColourBase::FromString(const wxString& str) // because this place can be called from constructor // and 'this' could not be available yet wxColour clr = wxTheColourDatabase->Find(str); - if (clr.Ok()) + if (clr.IsOk()) Set((unsigned char)clr.Red(), (unsigned char)clr.Green(), (unsigned char)clr.Blue()); } - if (Ok()) + if (IsOk()) return true; wxLogDebug(wxT("wxColour::Set - couldn't set to colour string '%s'"), str); @@ -128,9 +219,9 @@ wxString wxColourBase::GetAsString(long flags) const } else // use rgba() form { - // TODO: use locale-independent function - colName.Printf(wxT("rgba(%d, %d, %d, %.3f)"), - red, green, blue, Alpha() / 255.); + colName.Printf(wxT("rgba(%d, %d, %d, %s)"), + red, green, blue, + wxString::FromCDouble(Alpha() / 255., 3)); } } else if ( flags & wxC2S_HTML_SYNTAX ) @@ -150,7 +241,7 @@ wxString wxColourBase::GetAsString(long flags) const } // static -void wxColourBase::MakeMono(unsigned char* r, unsigned char* g, unsigned char* b, +void wxColourBase::MakeMono(unsigned char* r, unsigned char* g, unsigned char* b, bool on) { *r = *g = *b = on ? 255 : 0; @@ -173,7 +264,7 @@ void wxColourBase::MakeGrey(unsigned char* r, unsigned char* g, unsigned char* b } // static -void wxColourBase::MakeDisabled(unsigned char* r, unsigned char* g, unsigned char* b, +void wxColourBase::MakeDisabled(unsigned char* r, unsigned char* g, unsigned char* b, unsigned char brightness) { //MakeGrey(r, g, b, brightness); // grey no-blend version @@ -182,10 +273,20 @@ void wxColourBase::MakeDisabled(unsigned char* r, unsigned char* g, unsigned cha *b = AlphaBlend(*b, brightness, 0.4); } +wxColour& wxColourBase::MakeDisabled(unsigned char brightness) +{ + unsigned char r = Red(), + g = Green(), + b = Blue(); + MakeDisabled(&r, &g, &b, brightness); + Set(r, g, b, Alpha()); + return static_cast(*this); +} + // AlphaBlend is used by ChangeLightness and MakeDisabled // static -unsigned char wxColourBase::AlphaBlend(unsigned char fg, unsigned char bg, +unsigned char wxColourBase::AlphaBlend(unsigned char fg, unsigned char bg, double alpha) { double result = bg + (alpha * (fg - bg));