-#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
-
+enum {
+ wxC2S_NAME = 1, // return colour name, when possible
+ wxC2S_CSS_SYNTAX = 2, // return colour in rgb(r,g,b) syntax
+ wxC2S_HTML_SYNTAX = 4 // return colour in #rrggbb syntax
+};
+// a valid but fully transparent colour
+#define wxTransparentColour wxColour(0, 0, 0, wxALPHA_TRANSPARENT)
+#define wxTransparentColor wxTransparentColour
+
// ----------------------------------------------------------------------------
// wxVariant support
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// wxVariant support
// ----------------------------------------------------------------------------
// 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
// 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,
+ 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);
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);