#include "wx/defs.h"
#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
+// A macro to define the standard wxColour constructors:
+//
+// It avoids the need to repeat these lines across all colour.h files, since
+// Set() is a virtual function and thus cannot be called by wxColourBase ctors
#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); }
+ wxColour() { Init(); } \
+ wxColour(ChannelType red, \
+ ChannelType green, \
+ ChannelType blue, \
+ ChannelType alpha = wxALPHA_OPAQUE) \
+ { Init(); Set(red, green, blue, alpha); } \
+ wxColour(unsigned long colRGB) { Init(); Set(colRGB ); } \
+ wxColour(const wxString& colourName) { Init(); Set(colourName); } \
+ wxColour(const char *colourName) { Init(); Set(colourName); } \
+ wxColour(const wchar_t *colourName) { Init(); Set(colourName); }
// flags for wxColour -> wxString conversion (see wxColour::GetAsString)
const unsigned char wxALPHA_TRANSPARENT = 0;
const unsigned char wxALPHA_OPAQUE = 0xff;
+// a valid but fully transparent colour
+#define wxTransparentColour wxColour(0, 0, 0, wxALPHA_TRANSPARENT)
+#define wxTransparentColor wxTransparentColour
+
// ----------------------------------------------------------------------------
// wxVariant support
// ----------------------------------------------------------------------------
#if wxUSE_VARIANT
#include "wx/variant.h"
-DECLARE_VARIANT_OBJECT_EXPORTED(wxColour,WXDLLEXPORT)
+DECLARE_VARIANT_OBJECT_EXPORTED(wxColour,WXDLLIMPEXP_CORE)
#endif
//-----------------------------------------------------------------------------
// code redundancy in all native wxColour implementations
//-----------------------------------------------------------------------------
-class WXDLLEXPORT wxColourBase : public wxGDIObject
+/* Transition from wxGDIObject to wxObject is incomplete. If your port does
+ not need the wxGDIObject machinery to handle colors, please add it to the
+ list of ports which do not need it.
+ */
+#if defined( __WXMAC__ ) || defined( __WXMSW__ ) || defined( __WXPM__ ) || defined( __WXCOCOA__ )
+#define wxCOLOUR_IS_GDIOBJECT 0
+#else
+#define wxCOLOUR_IS_GDIOBJECT 1
+#endif
+
+class WXDLLIMPEXP_CORE wxColourBase : public
+#if wxCOLOUR_IS_GDIOBJECT
+ wxGDIObject
+#else
+ wxObject
+#endif
{
public:
// type of a single colour component
ChannelType green,
ChannelType blue,
ChannelType alpha = wxALPHA_OPAQUE)
- { InitRGBA(red,green,blue, alpha); }
+ { InitRGBA(red, green, blue, alpha); }
// implemented in colourcmn.cpp
bool Set(const wxString &str)
// 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;
// implemented in colourcmn.cpp
virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const;
+ void SetRGB(wxUint32 colRGB)
+ {
+ Set((ChannelType)(0xFF & colRGB),
+ (ChannelType)(0xFF & (colRGB >> 8)),
+ (ChannelType)(0xFF & (colRGB >> 16)));
+ }
+
+ void SetRGBA(wxUint32 colRGBA)
+ {
+ Set((ChannelType)(0xFF & colRGBA),
+ (ChannelType)(0xFF & (colRGBA >> 8)),
+ (ChannelType)(0xFF & (colRGBA >> 16)),
+ (ChannelType)(0xFF & (colRGBA >> 24)));
+ }
+
+ wxUint32 GetRGB() const
+ { return Red() | (Green() << 8) | (Blue() << 16); }
+
+ wxUint32 GetRGBA() const
+ { return Red() | (Green() << 8) | (Blue() << 16) | (Alpha() << 24); }
+#if !wxCOLOUR_IS_GDIOBJECT
+ virtual bool IsOk() const= 0;
+
+ // older version, for backwards compatibility only (but not deprecated
+ // because it's still widely used)
+ bool Ok() const { return IsOk(); }
+#endif
+
+ // manipulation
+ // ------------
+
+ // These methods are static because they are mostly used
+ // within tight loops (where we don't want to instantiate wxColour's)
+
+ static void MakeMono (unsigned char* r, unsigned char* g, unsigned char* b, bool on);
+ static void MakeDisabled(unsigned char* r, unsigned char* g, unsigned char* b, unsigned char brightness = 255);
+ static void MakeGrey (unsigned char* r, unsigned char* g, unsigned char* b); // integer version
+ static void MakeGrey (unsigned char* r, unsigned char* g, unsigned char* b,
+ double weight_r, double weight_g, double weight_b); // floating point version
+ static unsigned char AlphaBlend (unsigned char fg, unsigned char bg, double alpha);
+ static void ChangeLightness(unsigned char* r, unsigned char* g, unsigned char* b, int ialpha);
+
+ wxColour ChangeLightness(int ialpha) const;
// old, deprecated
// ---------------
#endif
protected:
+ // Some ports need Init() and while we don't, provide a stub so that the
+ // ports which don't need it are not forced to define it
+ void Init() { }
+
virtual void
InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a) = 0;
virtual bool FromString(const wxString& s);
+
+#if wxCOLOUR_IS_GDIOBJECT
+ // wxColour doesn't use reference counted data (at least not in all ports)
+ // so provide stubs for the functions which need to be defined if we do use
+ // them
+ virtual wxGDIRefData *CreateGDIRefData() const
+ {
+ wxFAIL_MSG( "must be overridden if used" );
+
+ return NULL;
+ }
+
+ virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *WXUNUSED(data)) const
+ {
+ wxFAIL_MSG( "must be overridden if used" );
+
+ return NULL;
+ }
+#endif
};
#elif defined(__WXX11__)
#include "wx/x11/colour.h"
#elif defined(__WXMAC__)
- #include "wx/mac/colour.h"
+ #include "wx/osx/colour.h"
#elif defined(__WXCOCOA__)
#include "wx/cocoa/colour.h"
#elif defined(__WXPM__)
projects / wxWidgets.git / blobdiff