Function fltk::draw::draw_pie

source · 
pub fn draw_pie(x: i32, y: i32, width: i32, height: i32, a: f64, b: f64)
Expand description

Draws a filled pie

Examples found in repository?
examples/custom_dial.rs (line 25)
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    pub fn new(x: i32, y: i32, w: i32, h: i32, label: &str) -> Self {
        let value = Rc::from(RefCell::from(0));
        let mut main_wid = group::Group::new(x, y, w, h, None)
            .with_label(label)
            .with_align(Align::Top);
        let mut value_frame =
            frame::Frame::new(main_wid.x(), main_wid.y() + 80, main_wid.w(), 40, "0");
        value_frame.set_label_size(26);
        main_wid.end();
        let value_c = value.clone();
        main_wid.draw(move |w| {
            draw::set_draw_rgb_color(230, 230, 230);
            draw::draw_pie(w.x(), w.y(), w.w(), w.h(), 0., 180.);
            draw::set_draw_hex_color(0xb0bf1a);
            draw::draw_pie(
                w.x(),
                w.y(),
                w.w(),
                w.h(),
                (100 - *value_c.borrow()) as f64 * 1.8,
                180.,
            );
            draw::set_draw_color(Color::White);
            draw::draw_pie(
                w.x() - 50 + w.w() / 2,
                w.y() - 50 + w.h() / 2,
                100,
                100,
                0.,
                360.,
            );
            w.draw_children();
        });
        Self {
            main_wid,
            value,
            value_frame,
        }
    }