-#define wxMAX_RGB 0xff
-#define wxMAX_SV 1000
-#define wxSIGN(x) ((x < 0) ? -x : x)
-#define wxH_WEIGHT 4
-#define wxS_WEIGHT 1
-#define wxV_WEIGHT 2
-
-typedef struct wx_hsv {
- int h,s,v;
- } wxHSV;
-
-#define wxMax3(x,y,z) ((x > y) ? ((x > z) ? x : z) : ((y > z) ? y : z))
-#define wxMin3(x,y,z) ((x < y) ? ((x < z) ? x : z) : ((y < z) ? y : z))
-
-void wxHSVToXColor(wxHSV *hsv,XColor *xcolor);
-void wxXColorToHSV(wxHSV *hsv,XColor *xcolor);
-void wxAllocNearestColor(Display *display,Colormap colormap,XColor *xcolor);
-void wxAllocColor(Display *display,Colormap colormap,XColor *xcolor);
-