+#include "wx/gdiobj.h"
+
+
+class WXDLLEXPORT 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( 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)
+#define wxC2S_NAME 1 // return colour name, when possible
+#define wxC2S_CSS_SYNTAX 2 // return colour in rgb(r,g,b) syntax
+#define wxC2S_HTML_SYNTAX 4 // return colour in #rrggbb syntax
+
+
+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
+// code redundancy in all native wxColour implementations
+//-----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxColourBase : public wxGDIObject
+{
+public:
+ // type of a single colour component
+ typedef unsigned char ChannelType;
+
+ wxColourBase() {}
+ virtual ~wxColourBase() {}
+
+
+ // Set() functions
+ // ---------------
+
+ void Set(ChannelType red,
+ ChannelType green,
+ ChannelType blue,
+ ChannelType alpha = wxALPHA_OPAQUE)
+ { InitRGBA(red,green,blue, alpha); }
+
+ // implemented in colourcmn.cpp
+ bool Set(const wxString &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((ChannelType)(0xFF & colRGB),
+ (ChannelType)(0xFF & (colRGB >> 8)),
+ (ChannelType)(0xFF & (colRGB >> 16)));
+ }
+
+
+
+ // accessors
+ // ---------
+
+ virtual bool Ok() const { return IsOk(); }
+ virtual bool IsOk() const = 0;
+
+ 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;
+
+
+
+ // old, deprecated
+ // ---------------
+
+#if WXWIN_COMPATIBILITY_2_6
+ 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);
+};
+
+
projects / wxWidgets.git / blobdiff