| #ifndef GRAPH_H |
| #define GRAPH_H |
| |
| struct graph; |
| |
| #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); |
| 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); |
| 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 |
| |