Method view_shape_overlay

src/plot_widget.rs:746–770

(
        &'a self,
        shape: plot_overlay::PlotOverlay<'a, Message>,
    )

    fn view_plot_area<'a, Message, MapPlot>(
        &'a self,
        shapes_bottom: impl Iterator<Item = Element<'a, Message>>,
        shapes_top: impl Iterator<Item = Element<'a, Message>>,
        map_plot: MapPlot,
    ) -> Element<'a, Message>
    where
        Message: 'a,
        MapPlot: Fn(PlotUiMessage) -> Message + Copy + 'a,
    {
        let plot: Element<'a, PlotUiMessage> = match self.render_strategy {
            PlotRenderStrategy::Shader => widget::shader(self)
                .width(Length::Fill)
                .height(Length::Fill)
                .into(),
            #[cfg(feature = "canvas")]
            PlotRenderStrategy::Canvas => widget::canvas(self)
                .width(Length::Fill)
                .height(Length::Fill)
                .into(),
        };
        let plot = plot.map(map_plot);

        let plot_layers = shapes_bottom.chain(std::iter::once(plot)).chain(shapes_top);

        container(stack(plot_layers).width(Length::Fill).height(Length::Fill))
            .clip(true)
            .padding(PLOT_CONTENT_PADDING)
            .style(|theme: &Theme| self.update_style(theme).plot_area)
            .into()