Method draw_iter

user/src/bin/gui_uart.rs:56–73

(&mut self, pixels: I)

    type Error = core::convert::Infallible;

    fn draw_iter<I>(&mut self, pixels: I) -> Result<(), Self::Error>
    where
        I: IntoIterator<Item = embedded_graphics::Pixel<Self::Color>>,
    {
        pixels.into_iter().for_each(|px| {
            let idx = ((self.point.y + px.0.y) * VIRTGPU_XRES as i32 + self.point.x + px.0.x)
                as usize
                * 4;
            if idx + 2 >= self.fb.len() {
                return;
            }
            self.fb[idx] = px.1.b();
            self.fb[idx + 1] = px.1.g();
            self.fb[idx + 2] = px.1.r();
        });
        framebuffer_flush();
        Ok(())
    }
}

pub struct DrawingBoard {