```python
def setup():
py5.window_resizable(True)
py5.window_ratio(1280, 720)
py5.cursor(py5.CROSS)
py5.stroke_weight(10)
def draw():
py5.background(255, 0, 0)
py5.fill(255)
py5.rect(0, 0, py5.rwidth, py5.rheight)
py5.fill(0)
py5.text_align(py5.CENTER, py5.CENTER)
x, y = py5.rwidth / 2, py5.rheight / 2
py5.text_size(200)
py5.text(f'{py5.rmouse_x}, {py5.rmouse_y}', x, y - 100)
py5.text_size(100)
py5.text(f'top={int(py5.ratio_top)} left={int(py5.ratio_left)}', x, y + 100)
py5.text(f'scale={round(py5.ratio_scale, 3)}', x, y + 200)
```