re_viewer 0.15.1

The Rerun viewer
Documentation 
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use egui::Ui;

const DOCS_URL: &str = "https://www.rerun.io/docs";

/// Show the welcome section.
pub(super) fn welcome_section_ui(ui: &mut egui::Ui) {
    ui.vertical(|ui| {
        let (style, line_height) = if ui.available_width() > 400.0 {
            (re_ui::ReUi::welcome_screen_h1(), 50.0)
        } else {
            (re_ui::ReUi::welcome_screen_h2(), 36.0)
        };

        ui.add(
            egui::Label::new(
                egui::RichText::new("Visualize Multimodal Data")
                    .strong()
                    .line_height(Some(line_height))
                    .text_style(style),
            )
            .wrap(true),
        );

        ui.add_space(18.0);

        let bullet_text = |ui: &mut Ui, text: &str| {
            ui.horizontal(|ui| {
                ui.add_space(1.0);
                bullet(ui);
                ui.add_space(5.0);
                ui.add(
                    egui::Label::new(
                        egui::RichText::new(text)
                            .color(ui.visuals().widgets.active.text_color())
                            .text_style(re_ui::ReUi::welcome_screen_body()),
                    )
                    .wrap(true),
                );
            });
            ui.add_space(4.0);
        };

        bullet_text(ui, "Log data with the Rerun SDK in C++, Python, or Rust");
        bullet_text(ui, "Visualize and explore live or recorded data");
        bullet_text(ui, "Configure the viewer interactively or through code");

        ui.add_space(9.0);
        if ui
            .button(
                egui::RichText::new("Go to documentation →")
                    .color(egui::Color32::from_hex("#60A0FF").expect("this color is valid"))
                    .text_style(re_ui::ReUi::welcome_screen_body()),
            )
            .on_hover_cursor(egui::CursorIcon::PointingHand)
            .clicked()
        {
            ui.ctx().open_url(egui::output::OpenUrl {
                url: DOCS_URL.to_owned(),
                new_tab: true,
            });
        }

        ui.add_space(83.0);
    });
}

fn bullet(ui: &mut Ui) {
    static DIAMETER: f32 = 6.0;
    let (rect, _) = ui.allocate_exact_size(egui::vec2(DIAMETER, DIAMETER), egui::Sense::hover());

    ui.painter().add(egui::epaint::CircleShape {
        center: rect.center(),
        radius: DIAMETER / 2.0,
        fill: ui.visuals().strong_text_color(),
        stroke: egui::Stroke::NONE,
    });
}