#[cfg(all(feature="winit", feature="glium"))] #[macro_use] extern crate conrod;
#[cfg(all(feature="winit", feature="glium"))] mod support;
fn main() {
feature::main();
}
#[cfg(all(feature="winit", feature="glium"))]
mod feature {
extern crate find_folder;
use conrod;
use conrod::backend::glium::glium;
use conrod::backend::glium::glium::Surface;
use std;
use support;
widget_ids! {
struct Ids { canvas, grid, plot }
}
pub fn main() {
const WIDTH: u32 = 720;
const HEIGHT: u32 = 360;
let mut events_loop = glium::glutin::EventsLoop::new();
let window = glium::glutin::WindowBuilder::new()
.with_title("PlotPath Demo")
.with_dimensions((WIDTH, HEIGHT).into());
let context = glium::glutin::ContextBuilder::new()
.with_vsync(true)
.with_multisampling(4);
let display = glium::Display::new(window, context, &events_loop).unwrap();
let mut ui = conrod::UiBuilder::new([WIDTH as f64, HEIGHT as f64]).build();
let ids = Ids::new(ui.widget_id_generator());
let mut renderer = conrod::backend::glium::Renderer::new(&display).unwrap();
let image_map = conrod::image::Map::<glium::texture::Texture2d>::new();
let mut event_loop = support::EventLoop::new();
'main: loop {
for event in event_loop.next(&mut events_loop) {
if let Some(event) = conrod::backend::winit::convert_event(event.clone(), &display) {
ui.handle_event(event);
}
match event {
glium::glutin::Event::WindowEvent { event, .. } => match event {
glium::glutin::WindowEvent::CloseRequested |
glium::glutin::WindowEvent::KeyboardInput {
input: glium::glutin::KeyboardInput {
virtual_keycode: Some(glium::glutin::VirtualKeyCode::Escape),
..
},
..
} => break 'main,
_ => (),
},
_ => (),
}
}
{
use conrod::{color, widget, Colorable, Positionable, Sizeable, Widget};
let ui = &mut ui.set_widgets();
widget::Canvas::new().color(color::DARK_CHARCOAL).set(ids.canvas, ui);
let min_x = 0.0;
let max_x = std::f64::consts::PI * 2.0;
let min_y = -1.0;
let max_y = 1.0;
let quarter_lines = widget::grid::Lines::step(0.5_f64).thickness(2.0);
let sixteenth_lines = widget::grid::Lines::step(0.125_f64).thickness(1.0);
let lines = &[
quarter_lines.x(),
quarter_lines.y(),
sixteenth_lines.x(),
sixteenth_lines.y(),
];
widget::Grid::new(min_x, max_x, min_y, max_y, lines.iter().cloned())
.color(color::rgb(0.1, 0.12, 0.15))
.wh_of(ids.canvas)
.middle_of(ids.canvas)
.set(ids.grid, ui);
widget::PlotPath::new(min_x, max_x, min_y, max_y, f64::sin)
.color(color::LIGHT_BLUE)
.thickness(2.0)
.wh_of(ids.canvas)
.middle_of(ids.canvas)
.set(ids.plot, ui);
}
if let Some(primitives) = ui.draw_if_changed() {
renderer.fill(&display, primitives, &image_map);
let mut target = display.draw();
target.clear_color(0.0, 0.0, 0.0, 1.0);
renderer.draw(&display, &mut target, &image_map).unwrap();
target.finish().unwrap();
}
}
}
}
#[cfg(not(all(feature="winit", feature="glium")))]
mod feature {
pub fn main() {
println!("This example requires the `winit` and `glium` features. \
Try running `cargo run --release --features=\"winit glium\" --example <example_name>`");
}
}