// Every annotation row is 20 pixels further down.
int y_ann_row_offset = a.row() * 20;
draw_annotation(a, p, get_text_colour(), h, left, right,
samples_per_pixel, pixels_offset,
// Every annotation row is 20 pixels further down.
int y_ann_row_offset = a.row() * 20;
draw_annotation(a, p, get_text_colour(), h, left, right,
samples_per_pixel, pixels_offset,