-void color_allocate_gc(color_rgb *in);
-color_rgb *color_parse(char *colorname);
-color_rgb *color_new(int r, int g, int b);
-void color_free(color_rgb *in);
+ gint key;
+ gint refcount;
+};
+
+void RrColorAllocateGC(RrColor *in);
+XColor *RrPickColor(const RrInstance *inst, gint r, gint g, gint b);
+void RrReduceDepth(const RrInstance *inst, RrPixel32 *data, XImage *im);
+void RrIncreaseDepth(const RrInstance *inst, RrPixel32 *data, XImage *im);