}
}
-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);