[chronojump] CairoGraphRaceAnalyzer gray line on accel (to distinguish from smooth line)

[Xavier de Blas <xaviblas src gnome org>]

commit 2d73797383e0d02fc4aa59e91b307dec2f296bb0
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue May 10 12:36:01 2022 +0200

    CairoGraphRaceAnalyzer gray line on accel (to distinguish from smooth line)

 src/gui/app1/runEncoder.cs    |  6 +++---
 src/gui/cairo/raceAnalyzer.cs | 13 ++++++++++---
 2 files changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/src/gui/app1/runEncoder.cs b/src/gui/app1/runEncoder.cs
index 70445269f..881189f80 100644
--- a/src/gui/app1/runEncoder.cs
+++ b/src/gui/app1/runEncoder.cs
@@ -2298,7 +2298,7 @@ public partial class ChronoJumpWindow
 
                cairoGraphRaceAnalyzer_dt.DoSendingList (preferences.fontType.ToString(),
                                cairoGraphRaceAnalyzerPoints_dt_l, triggerListRunEncoder,
-                               forceRedraw, CairoXY.PlotTypes.LINES,
+                               forceRedraw, CairoXY.PlotTypes.LINES, true,
                                getSmoothFrom_gui_at_race_analyzer_capture_smooth_graphs ());
        }
        private void updateRaceAnalyzerCaptureSpeedTime(bool forceRedraw)
@@ -2321,7 +2321,7 @@ public partial class ChronoJumpWindow
 
                cairoGraphRaceAnalyzer_st.DoSendingList (preferences.fontType.ToString(),
                                cairoGraphRaceAnalyzerPoints_st_l, triggerListRunEncoder,
-                               forceRedraw, CairoXY.PlotTypes.LINES,
+                               forceRedraw, CairoXY.PlotTypes.LINES, true,
                                getSmoothFrom_gui_at_race_analyzer_capture_smooth_graphs ());
        }
        private void updateRaceAnalyzerCaptureAccelTime(bool forceRedraw)
@@ -2347,7 +2347,7 @@ public partial class ChronoJumpWindow
 
                cairoGraphRaceAnalyzer_at.DoSendingList (preferences.fontType.ToString(),
                                cairoGraphRaceAnalyzerPoints_at_l, triggerListRunEncoder,
-                               forceRedraw, CairoXY.PlotTypes.LINES,
+                               forceRedraw, CairoXY.PlotTypes.LINES, false,
                                getSmoothFrom_gui_at_race_analyzer_capture_smooth_graphs ());
        }
 
diff --git a/src/gui/cairo/raceAnalyzer.cs b/src/gui/cairo/raceAnalyzer.cs
index d7d614446..e65e27a42 100644
--- a/src/gui/cairo/raceAnalyzer.cs
+++ b/src/gui/cairo/raceAnalyzer.cs
@@ -77,14 +77,14 @@ public class CairoGraphRaceAnalyzer : CairoXY
        }
 
        //separated in two methods to ensure endGraphDisposing on any return of the other method
-       public void DoSendingList (string font, List<PointF> points_list, TriggerList triggerList, bool 
forceRedraw, PlotTypes plotType, int smoothLineWindow)
+       public void DoSendingList (string font, List<PointF> points_list, TriggerList triggerList, bool 
forceRedraw, PlotTypes plotType, bool blackLine, int smoothLineWindow)
        {
-               if(doSendingList (font, points_list, triggerList, forceRedraw, plotType, smoothLineWindow))
+               if(doSendingList (font, points_list, triggerList, forceRedraw, plotType, blackLine, 
smoothLineWindow))
                        endGraphDisposing(g, surface, area.GdkWindow);
        }
 
        //return true if graph is inited (to dispose it)
-       private bool doSendingList (string font, List<PointF> points_list, TriggerList triggerList, bool 
forceRedraw, PlotTypes plotType, int smoothLineWindow)
+       private bool doSendingList (string font, List<PointF> points_list, TriggerList triggerList, bool 
forceRedraw, PlotTypes plotType, bool blackLine, int smoothLineWindow)
        {
                // 1) init graph
 
@@ -229,7 +229,14 @@ public class CairoGraphRaceAnalyzer : CairoXY
                                (maxValuesChanged || forceRedraw || points_list.Count != points_list_painted) 
)
                {
                        // 3.a) paint points
+                       if(! blackLine)
+                               g.SetSourceColor (gray99);
+
                        plotRealPoints(plotType, points_list, points_list_painted, false); //not fast. TODO: 
maybe use fast if is really faster
+
+                       if(! blackLine)
+                               g.SetSourceRGB (0,0,0);
+
                        points_list_painted = points_list.Count;
 
                        // 3.b) paint smooth line