gfio: add graph axis unit change notification callbacks

[fio.git] / graph.h

diff --git a/graph.h b/graph.h
index 57c5bd32c53ede9373f30e12f01f82aaa9d557d7..e04b5fffacf76b9972871cf35f6ffe38260cfd2b 100644 (file)
--- a/graph.h
+++ b/graph.h
@@ -3,7 +3,10 @@
 
 struct graph;
 
-struct graph *graph_new(int xdim, int ydim);
+#define INVISIBLE_COLOR (-1.0)
+
+struct graph *graph_new(unsigned int xdim, unsigned int ydim, const char *font);
+void graph_set_size(struct graph *g, unsigned int xdim, unsigned int ydim);
 void bar_graph_draw(struct graph *g, cairo_t *cr);
 void line_graph_draw(struct graph *g, cairo_t *cr);
 void line_graph_set_data_count_limit(struct graph *g, int per_label_limit);
@@ -11,13 +14,16 @@ void graph_title(struct graph *g, const char *title);
 void graph_x_title(struct graph *g, const char *title);
 void graph_y_title(struct graph *g, const char *title);
 void graph_add_label(struct graph *g, const char *label);
-void graph_add_data(struct graph *g, const char *label, const double value);
-void graph_add_xy_data(struct graph *g, const char *label,
+int graph_add_data(struct graph *g, const char *label, const double value);
+int graph_add_xy_data(struct graph *g, const char *label,
                const double x, const double y);
 void graph_set_color(struct graph *g, const char *label,
                double red, double green, double blue);
 void graph_free(struct graph *bg);
 
+typedef void (*graph_axis_unit_change_callback)(struct graph *g, int power_of_ten);
+void graph_x_axis_unit_change_notify(struct graph *g, graph_axis_unit_change_callback f);
+void graph_y_axis_unit_change_notify(struct graph *g, graph_axis_unit_change_callback f);
 
 #endif