Function new_test_raster_ops

web/src/canvas.rs:395–402

Creates a new test raster ops with the given dimensions.

(width: u32, height: u32)

    /// Creates a new test raster ops with the given dimensions.
    fn new_test_raster_ops(width: u32, height: u32) -> CanvasRasterOps {
        let document = web_sys::window().unwrap().document().unwrap();
        let canvas =
            document.create_element("canvas").unwrap().dyn_into::<HtmlCanvasElement>().unwrap();
        canvas.set_width(width);
        canvas.set_height(height);
        CanvasRasterOps::new(canvas, &FONT_5X8, WebYielder::new()).unwrap()
    }

    /// Runs a partial "move pixels" test on the given `raster_ops`.
    fn do_move_pixels_test(mut raster_ops: CanvasRasterOps) {