The 
If I use:
pylab.plot([bbox.x0, bbox.x1, bbox.x1, bbox.x0, bbox.x0], [bbox.y0, bbox.y0, bbox.y1, bbox.y1, bbox.y0], 'g-', transform=None)
I don't see the bounding box
CodePudding user response：
This appears to work well:
from matplotlib.figure import Figure as mpl_Figure
from matplotlib.backends.backend_agg import FigureCanvasAgg as mpl_Canvas
fig = mpl_Figure()
x, y, text = 5, 7, 'My label text'
fig.gca().plot(x, y, 'k.')
canvas = mpl_Canvas(fig)
t = fig.gca().text(x, y, text, color='red')
canvas.draw()
bbox = t.get_window_extent(renderer = canvas.get_renderer())
fig.gca().plot(
[bbox.x0, bbox.x1, bbox.x1, bbox.x0, bbox.x0],
[bbox.y0, bbox.y0, bbox.y1, bbox.y1, bbox.y0],
'k:',
transform=None)
canvas.print_figure("img.png")
Result:
CodePudding user response：
You can get the text size by 
