Drop an unused function.

This has been unused for several commits, and has just been annoying
me by triggering a compiler warning.

diff --git a/acre.c b/acre.c
index 290bb1274cbb08d08a4aef9780a3d2e67a8ecf93..8c64cadc47484c51181185aa7df7cc28e795cf7a 100644 (file)
--- a/acre.c
+++ b/acre.c
@@ -750,55 +750,6 @@ _compute_axis_ranges (acre_t *acre)
     cairo_restore (cr);
 }
 
-static void
-_acre_color_from_hsv (acre_color_t *color,
-                     double hue,
-                     double saturation,
-                     double value)
-{
-    double f, p, q, t;
-    int hmod6;
-
-    hmod6 = (int) floor (hue / 60) % 6;
-    f = hue / 60 - floor (hue / 60);
-    p = value * (1 - saturation);
-    q = value * (1 - f * saturation);
-    t = value * (1 - (1 - f) * saturation);
-    
-    switch (hmod6) {
-      case 0:
-       color->red = value;
-       color->green = t;
-       color->blue = p;
-       break;
-      case 1:
-       color->red = q;
-       color->green = value;
-       color->blue = p;
-       break;
-      case 2:
-       color->red = p;
-       color->green = value;
-       color->blue = t;
-       break;
-      case 3:
-       color->red = p;
-       color->green = q;
-       color->blue = value;
-       break;
-      case 4:
-       color->red = t;
-       color->green = p;
-       color->blue = value;
-       break;
-      case 5:
-       color->red = value;
-       color->green = p;
-       color->blue = q;
-       break;
-    }
-}
-
 static void
 _choose_colors (acre_t *acre)
 {