+ // 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;
+