Function plot_set_background

src/plot/plotgen.cc:150–183

}

ReturnCode plot_set_background(
    Context* ctx,
    const PlotConfig* plot,
    const Expr* expr) {
  Rectangle rect = plot_get_clip(plot, layer_get(ctx));
  FillStyle fill_style;
  StrokeStyle stroke_style;
  stroke_style.line_width = from_pt(1);

  /* read arguments */
  auto config_rc = expr_walk_map_wrapped(expr, {
    {
      "color",
      expr_calln_fn({
        std::bind(&color_read, ctx, _1, &stroke_style.color),
        std::bind(&fill_style_read_solid, ctx, _1, &fill_style),
      })
    },
    {"fill", std::bind(&fill_style_read, ctx, _1, &fill_style)},
    {"stroke-color", std::bind(&color_read, ctx, _1, &stroke_style.color)},
    {"stroke-width", std::bind(&measure_read, _1, &stroke_style.line_width)},
    {"stroke-style", std::bind(&stroke_style_read, ctx, _1, &stroke_style)},
  });

  if (!config_rc) {
    return config_rc;
  }

  Path p;
  path_add_rectangle(&p, rect);
  draw_path(ctx, p, stroke_style, fill_style);

  return OK;
}


} // namespace clip