perf-chart: Add special colors for base axis

1 files changed, 19 insertions, 2 deletions

diff --git a/perf/cairo-perf-chart.c b/perf/cairo-perf-chart.c
index 6bcd6e60..1c09cd87 100644
--- a/perf/cairo-perf-chart.c
+++ b/perf/cairo-perf-chart.c
@@ -298,7 +298,9 @@ get_report_color (struct chart *chart, int report, struct color * color_out)
 
 typedef enum {
     SPECIAL_COLOR_BAR_LABEL,
-    SPECIAL_COLOR_LEGEND_LABEL
+    SPECIAL_COLOR_LEGEND_LABEL,
+    SPECIAL_COLOR_BASE_ABSOLUTE,
+    SPECIAL_COLOR_BASE_RELATIVE,
 } special_color_t;
 
 static void
@@ -317,6 +319,18 @@ get_special_color (struct chart *chart, special_color_t special, struct color *
         else
           SET_COLOR (color_out, 0.95, 0.95, 0.95);
         break;
+    case SPECIAL_COLOR_BASE_ABSOLUTE:
+        if (using_predefined_colors (chart))
+          SET_COLOR (color_out, 0.5, 0.5, 0.5);
+        else
+          SET_COLOR (color_out, 1, 1, 1);
+        break;
+    case SPECIAL_COLOR_BASE_RELATIVE:
+        if (using_predefined_colors (chart))
+          *color_out = predefined_colors[0];
+        else
+          SET_COLOR (color_out, 1, 1, 1);
+        break;
     default:
         SET_COLOR (color_out, 1, 0, 1);
     }
@@ -469,17 +483,20 @@ static void
 add_base_line (struct chart *c)
 {
     double y;
+    struct color color;
 
     cairo_save (c->cr);
     cairo_set_line_width (c->cr, 2.);
     if (c->relative) {
 	y = c->height / 2.;
+        get_special_color (c, SPECIAL_COLOR_BASE_RELATIVE, &color);
     } else {
 	y = c->height;
+        get_special_color (c, SPECIAL_COLOR_BASE_ABSOLUTE, &color);
     }
     cairo_move_to (c->cr, 0, y);
     cairo_line_to (c->cr, c->width, y);
-    cairo_set_source_rgb (c->cr, 1, 1, 1);
+    cairo_set_source_rgb (c->cr, color.red, color.green, color.blue);
     cairo_stroke (c->cr);
     cairo_restore (c->cr);
 }