247   guint i, c, s, x, y, oy;  in render_dots()  local
255   oy = h / 2;  in render_dots()
260       y = (guint) (oy + (gfloat) adata[s] * dy);  in render_dots()
272   guint i, c, s, x, y, oy;  in render_lines()  local
281   oy = (h - 1) / 2;  in render_lines()
285     y2 = (guint) (oy + (gfloat) adata[s] * dy);  in render_lines()
288       y = (guint) (oy + (gfloat) adata[s] * dy);  in render_lines()
317   guint i, c, s, x, y, oy;  in render_color_dots()  local
326   oy = h / 2;  in render_color_dots()
333       y = (guint) (oy + flt[0] * dy);  in render_color_dots()
337       y = (guint) (oy + flt[3] * dy);  in render_color_dots()
341       y = (guint) (oy + (flt[4] + flt[5]) * dy);  in render_color_dots()
357   guint i, c, s, x, y, oy;  in render_color_lines()  local
367   oy = (h - 1) / 2;  in render_color_lines()
375     y = (guint) (oy + flt[0] * dy);  in render_color_lines()
378     y = (guint) (oy + flt[3] * dy);  in render_color_lines()
381     y = (guint) (oy + (flt[4] + flt[5]) * dy);  in render_color_lines()
388       y = (guint) (oy + flt[0] * dy);  in render_color_lines()
393       y = (guint) (oy + flt[3] * dy);  in render_color_lines()
398       y = (guint) (oy + (flt[4] + flt[5]) * dy);  in render_color_lines()