[sysprof/wip/visualizers] line-visualizer-row: add color parameter for counter

[Christian Hergert <chergert src gnome org>]

commit f3cec0f8c136733f1fb9c8c57897d79e93bd2b63
Author: Christian Hergert <chergert redhat com>
Date:   Tue Sep 27 19:18:29 2016 -0700

    line-visualizer-row: add color parameter for counter
    
    Allow specifying a color for a counter that is added to the
    visualizer.

 lib/sp-line-visualizer-row.c |   14 ++++++++++++--
 lib/sp-line-visualizer-row.h |    3 ++-
 2 files changed, 14 insertions(+), 3 deletions(-)
---
diff --git a/lib/sp-line-visualizer-row.c b/lib/sp-line-visualizer-row.c
index 4f3ff25..45471e9 100644
--- a/lib/sp-line-visualizer-row.c
+++ b/lib/sp-line-visualizer-row.c
@@ -584,7 +584,8 @@ sp_line_visualizer_row_init (SpLineVisualizerRow *self)
 
 void
 sp_line_visualizer_row_add_counter (SpLineVisualizerRow *self,
-                                    guint                counter_id)
+                                    guint                counter_id,
+                                    const GdkRGBA       *color)
 {
   SpLineVisualizerRowPrivate *priv = sp_line_visualizer_row_get_instance_private (self);
   LineInfo line_info = { 0 };
@@ -593,9 +594,18 @@ sp_line_visualizer_row_add_counter (SpLineVisualizerRow *self,
   g_assert (priv->lines != NULL);
 
   line_info.id = counter_id;
-  line_info.use_default_style = TRUE;
   line_info.line_width = 1.0;
 
+  if (color != NULL)
+    {
+      line_info.foreground = *color;
+      line_info.use_default_style = FALSE;
+    }
+  else
+    {
+      line_info.use_default_style = TRUE;
+    }
+
   g_array_append_val (priv->lines, line_info);
 
   if (SP_LINE_VISUALIZER_ROW_GET_CLASS (self)->counter_added)
diff --git a/lib/sp-line-visualizer-row.h b/lib/sp-line-visualizer-row.h
index d992c5e..fee9348 100644
--- a/lib/sp-line-visualizer-row.h
+++ b/lib/sp-line-visualizer-row.h
@@ -55,7 +55,8 @@ struct _SpLineVisualizerRowClass
 GtkWidget *sp_line_visualizer_row_new         (void);
 void       sp_line_visualizer_row_clear       (SpLineVisualizerRow *self);
 void       sp_line_visualizer_row_add_counter (SpLineVisualizerRow *self,
-                                               guint                counter_id);
+                                               guint                counter_id,
+                                               const GdkRGBA       *color);
 
 G_END_DECLS