🔧 Use GTK for color conversion

src/utils.js

@@ -102,6 +102,15 @@ export async function importInShellOnly(module) {
   return null;
 }
 
+// This method can be used to import a module in the preferences process only. The same as
+// importInShellOnly(), but the other way around.
+export async function importInPrefsOnly(module) {
+  if (typeof global === 'undefined') {
+    return (await import(module)).default;
+  }
+  return null;
+}
+
 // This method can be used to import gettext. This is done differently in the
 // GNOME Shell process and in the preferences process.
 export async function importGettext() {
@@ -195,42 +204,3 @@ export function parseColor(string) {
 
   return [color.red / 255, color.green / 255, color.blue / 255, color.alpha / 255];
 }
-
-// Converts a color in hsv space into rgb.
-// https://stackoverflow.com/a/17243070
-export function hsvToRgb(h, s, v) {
-  var r, g, b, i, f, p, q, t;
-  if (arguments.length === 1) {
-    (s = h.s), (v = h.v), (h = h.h);
-  }
-  i = Math.floor(h * 6);
-  f = h * 6 - i;
-  p = v * (1 - s);
-  q = v * (1 - f * s);
-  t = v * (1 - (1 - f) * s);
-  switch (i % 6) {
-    case 0:
-      (r = v), (g = t), (b = p);
-      break;
-    case 1:
-      (r = q), (g = v), (b = p);
-      break;
-    case 2:
-      (r = p), (g = v), (b = t);
-      break;
-    case 3:
-      (r = p), (g = q), (b = v);
-      break;
-    case 4:
-      (r = t), (g = p), (b = v);
-      break;
-    case 5:
-      (r = v), (g = p), (b = q);
-      break;
-  }
-  return {
-    r,
-    g,
-    b,
-  };
-}