verdant 0.4.2

A WIP windowing and rendering library, aiming to be lightweight, performant, and powerful.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

use verdant::{Renderer, RendererResult, WindowEvent, canvas::RenderSurface, types::Color};

fn main() -> RendererResult<()> {
    let mut renderer = Renderer::new()?;
    let window = renderer.create_window("canvas", 800, 600);

    let canvas = renderer.create_canvas(400, 400)?;

    // draw a white rectangle onto the canvas
    canvas.draw(|canvas| {
        canvas.rect(0., 0., 200., 200.);
    });

    while renderer.is_running() {
        for (id, event) in renderer.poll() {
            if event == WindowEvent::CloseRequested {
                renderer.close_window(id);
            }
        }

        if let Some(window) = renderer.get_window(window) {
            window.background(Color::BLACK);

            // composite the canvas onto the window
            window.composite(&canvas, 100., 100., 400., 400.);

            // canvases can composite to themselves for recursive effects
            canvas.draw(|c| {
                c.composite(&canvas, 300., 0., 100., 400.);
            });
        }

        renderer.flush()?;
    }

    Ok(())
}