From b1bed246b88937b08e22754a0d92fd0b23d896a8 Mon Sep 17 00:00:00 2001
From: stsdc <6031763+stsdc@users.noreply.github.com>
Date: Sun, 22 Jan 2023 14:44:25 +0100
Subject: [PATCH] Removes transparency in cpu chart. Intends to fix #297

---
 src/Views/SystemView/SystemCPUView.vala |  2 +-
 src/Widgets/Chart/Chart.vala            | 14 +++++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/Views/SystemView/SystemCPUView.vala b/src/Views/SystemView/SystemCPUView.vala
index 0f76e5a5..f48ef60c 100644
--- a/src/Views/SystemView/SystemCPUView.vala
+++ b/src/Views/SystemView/SystemCPUView.vala
@@ -61,7 +61,7 @@ public class Monitor.SystemCPUView : Monitor.WidgetResource {
 
         set_popover_more_info (new SystemCPUInfoPopover (cpu));
 
-        cpu_utilization_chart = new Chart (cpu.core_list.size, MonitorApp.settings.get_boolean ("smooth-lines-state"));
+        cpu_utilization_chart = new Chart (cpu.core_list.size, MonitorApp.settings.get_boolean ("smooth-lines-state"), 1.0);
         cpu_utilization_chart.config.y_axis.tick_interval = 100;
         cpu_utilization_chart.config.y_axis.fixed_max = 100.0 * cpu.core_list.size;
         set_main_chart (cpu_utilization_chart);
diff --git a/src/Widgets/Chart/Chart.vala b/src/Widgets/Chart/Chart.vala
index 02a76f06..ada29c11 100644
--- a/src/Widgets/Chart/Chart.vala
+++ b/src/Widgets/Chart/Chart.vala
@@ -36,31 +36,35 @@ public class Monitor.Chart : Gtk.Box {
         // }; // White background
     }
 
-    public Chart (uint _series_quantity, bool smooth = true) {
+    public Chart (uint _series_quantity, bool smooth = true, double renderer_area_alfa=0.5) {
         series_quantity = _series_quantity;
 
         if (smooth) {
-            with_smooth_line ();
+            with_smooth_line (renderer_area_alfa);
         } else {
-            with_straight_line ();
+            with_straight_line (renderer_area_alfa);
         }
     }
 
-    private Chart with_smooth_line () {
+    private Chart with_smooth_line (double renderer_area_alfa=0.5) {
         for (int i = 0; i < series_quantity; i++) {
             var renderer = new LiveChart.SmoothLineArea (new LiveChart.Values (1000));
+            renderer.area_alpha = renderer_area_alfa;
             var serie = new LiveChart.Serie (("Serie %d").printf (i), renderer);
 
             serie.line.color = colors.get_color_by_index (i);
+
+
             live_chart.add_serie (serie);
         }
         add (live_chart);
         return this;
     }
 
-    private Chart with_straight_line () {
+    private Chart with_straight_line (double renderer_area_alfa=0.5) {
         for (int i = 0; i < series_quantity; i++) {
             var renderer = new LiveChart.LineArea (new LiveChart.Values (1000));
+            renderer.area_alpha = renderer_area_alfa;
             var serie = new LiveChart.Serie (("Serie %d").printf (i), renderer);
 
             serie.line.color = colors.get_color_by_index (i);