[BUG] titled function draw text position error when generating PNG file

[skydig]

Describe the bug Describe what is expected, what you actually get. It would be nice to have screenshot or result image uploaded

To Reproduce Some minimal reproduce code is highly recommended

Version Information Please give us what version you are using. If you are pulling Plotters directly from git repo, please mention this as well

[skydig]

the text "bandwidth" is not at center, it's bug?

[wangjiawen2013]

Could you present your code ?

[skydig]

@wangjiawen2013 , I call twice font drawing, font position become normal. thanks.