[baobab/color-unify: 3/5] Get the base color in a separate function

[Stefano Facchini <sfacchini src gnome org>]

commit 73a8d859d6470eb8ec85fca115859e6784d714a6
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Tue Jun 16 14:44:40 2020 +0200

    Get the base color in a separate function

 src/baobab-chart.vala | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/src/baobab-chart.vala b/src/baobab-chart.vala
index 3b8b2c2..66c3344 100644
--- a/src/baobab-chart.vala
+++ b/src/baobab-chart.vala
@@ -430,10 +430,9 @@ namespace Baobab {
             return color;
         }
 
-        protected Gdk.RGBA get_item_color (ChartItem item, double rel_position, bool highlighted) {
-            var context = get_style_context ();
-
+        Gdk.RGBA get_base_color (ChartItem item, double rel_position) {
             var color = Gdk.RGBA ();
+            var context = get_style_context ();
 
             double intensity = 1 - (((item.depth - 1) * 0.3) / MAX_DEPTH);
 
@@ -455,6 +454,13 @@ namespace Baobab {
                 color.blue *= intensity;
             }
 
+            return color;
+        }
+
+        protected Gdk.RGBA get_item_color (ChartItem item, double rel_position, bool highlighted) {
+            var color = get_base_color (item, rel_position);
+            var context = get_style_context ();
+
             if (highlighted) {
                 if (item.depth == 0) {
                     context.lookup_color ("level_color_hi", out color);