import matplotlib.pyplot as plt
from matplotlib.offsetbox import AnchoredOffsetbox, DrawingArea
from matplotlib.patches import Rectangle
from matplotlib.collections import PatchCollection

for backend in ["png", "pdf", "svg"]:
    for rasterized in [True, False]:
        fig, ax = plt.subplots(figsize=(2, 2))
        box = DrawingArea(10, 10)
        rects = PatchCollection([
            Rectangle((0, i), width=10, height=1, ec="red")
            for i in range(10)
        ])
        rects.set_rasterized(rasterized)
        box.add_artist(rects)
        canvas = AnchoredOffsetbox(child=box, loc="center", pad=0)
        ax.add_artist(canvas)
        fig.savefig(f"DA_rasterized={rasterized}.{backend}")