X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=graph.c;h=5c865dcf2964fc4c809b1011d45fdbe45c9f3f65;hp=81b1524d705704a21cbcea687487c9625c03091d;hb=3310fcedbf11916c20aca6cffc20264a6e781e32;hpb=b0df7176176935b4d39fd196ad35f046bbe10333

diff --git a/graph.c b/graph.c
index 81b1524d..5c865dcf 100644
--- a/graph.c
+++ b/graph.c
@@ -180,7 +180,7 @@ static double maxdouble(double a, double b)
 static double find_double_values(struct graph_label *l, double_comparator cmp)
 {
 	struct flist_head *entry;
-	double answer, tmp;
+	double answer = 0.0, tmp;
 	int first = 1;
 
 	if (flist_empty(&l->value_list))
@@ -267,17 +267,36 @@ static void draw_bars(struct graph *bg, cairo_t *cr, struct graph_label *lb,
 	}
 }
 
-static void graph_draw_common(struct graph *g, cairo_t *cr,
-	double *x1, double *y1, double *x2, double *y2)
+static void graph_draw_common(struct graph *g, cairo_t *cr, double *x1,
+			      double *y1, double *x2, double *y2)
 {
-	cairo_set_source_rgb(cr, 0, 0, 0);
-	cairo_set_line_width(cr, 0.8);
+	const double shade_col[3][3] = { { 0.55, 0.54, 0.54 },
+					 { 0.80, 0.78, 0.78 },
+					 { 0.93, 0.91, 0.91 } };
+	int i;
 
 	*x1 = 0.10 * g->xdim;
 	*x2 = 0.95 * g->xdim;
 	*y1 = 0.10 * g->ydim;
 	*y2 = 0.90 * g->ydim;
 
+	/*
+	 * Add shade
+	 */
+	cairo_set_line_width(cr, 1.0);
+	for (i = 0; i < 3; i++) {
+		float offset = i + 1.0;
+
+		cairo_set_source_rgb(cr, shade_col[i][0], shade_col[i][1], shade_col[i][2]);
+		cairo_move_to(cr, offset + *x1, *y1 - offset);
+		cairo_line_to(cr, *x2 + offset, *y1 - offset);
+		cairo_line_to(cr, *x2 + offset, *y2 - offset);
+		cairo_stroke(cr);
+	}
+
+	cairo_set_source_rgb(cr, 0, 0, 0);
+	cairo_set_line_width(cr, 1.2);
+
 	cairo_move_to(cr, *x1, *y1);
 	cairo_line_to(cr, *x1, *y2);
 	cairo_line_to(cr, *x2, *y2);
@@ -324,15 +343,15 @@ static void graph_draw_x_ticks(struct graph *g, cairo_t *cr,
 			continue;
 
 		/* Draw tick mark */
-		cairo_set_line_width(cr, 0.8);
+		cairo_set_line_width(cr, 1.0);
 		cairo_move_to(cr, tx, y2);
 		cairo_line_to(cr, tx, y2 + (y2 - y1) * 0.03);
 		cairo_stroke(cr);
 
 		/* draw grid lines */
 		cairo_save(cr);
-		cairo_set_dash(cr, dash, 2, 2.0);
-		cairo_set_line_width(cr, 0.5);
+		cairo_set_dash(cr, dash, 2, 0.66);
+		cairo_set_line_width(cr, 0.33);
 		cairo_move_to(cr, tx, y1);
 		cairo_line_to(cr, tx, y2);
 		cairo_stroke(cr);
@@ -354,7 +373,7 @@ static double graph_draw_y_ticks(struct graph *g, cairo_t *cr,
 	struct tickmark *tm;
 	double ty;
 	int i, power_of_ten;
-	static double dash[] = { 2.0, 2.0 };
+	static double dash[] = { 1.0, 2.0 };
 
 	nticks = calc_tickmarks(miny, maxy, nticks, &tm, &power_of_ten,
 		g->y_axis_unit_change_callback == NULL, g->base_offset);
@@ -393,8 +412,8 @@ static double graph_draw_y_ticks(struct graph *g, cairo_t *cr,
 
 		/* draw grid lines */
 		cairo_save(cr);
-		cairo_set_dash(cr, dash, 2, 2.0);
-		cairo_set_line_width(cr, 0.5);
+		cairo_set_dash(cr, dash, 2, 0.66);
+		cairo_set_line_width(cr, 0.33);
 		cairo_move_to(cr, x1, ty);
 		cairo_line_to(cr, x2, ty);
 		cairo_stroke(cr);
@@ -567,6 +586,8 @@ void line_graph_draw(struct graph *g, cairo_t *cr)
 		goto skip_data;
 
 	cairo_set_line_width(cr, 1.5);
+	cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
+
 	flist_for_each(lentry, &g->label_list) {
 		i = flist_entry(lentry, struct graph_label, list);
 		first = 1;
@@ -581,9 +602,8 @@ void line_graph_draw(struct graph *g, cairo_t *cr)
 			if (first) {
 				cairo_move_to(cr, tx, ty);
 				first = 0;
-			} else {
+			} else
 				cairo_line_to(cr, tx, ty);
-			}
 		}
 		cairo_stroke(cr);
 	}
@@ -833,6 +853,17 @@ static void graph_free_labels(struct graph *g)
 	}
 }
 
+void graph_clear_values(struct graph *g)
+{
+	struct flist_head *node;
+	struct graph_label *i;
+
+	flist_for_each(node, &g->label_list) {
+		i = flist_entry(node, struct graph_label, list);
+		graph_free_values(i);
+	}
+}
+
 void graph_set_color(struct graph *gr, graph_label_t label, double red,
 		     double green, double blue)
 {