Bug summary

When changing the window size of a figure, the figure does not scale immediately, so part of it is obscured. Only after a manual re-scaling (even if minute) the figure is displayed correctly.

Code for reproduction

importnumpyasnpimportmatplotlib.pyplotasplt# Generate some datat=np.arange(0,10,0.1)x=np.cos(t)fig,ax=plt.subplots(1,1)# Put the figure in the top-left half of the screencur_win=fig.canvas.manager.window# Current windowscreen_size=cur_win.wm_maxsize()# Get the screen size# top-left half of the window:(pos_x,pos_y,width,height)= (0,0,screen_size[0]//2,screen_size[1]//2)position=f'{width}x{height}+{pos_x}+{pos_y}'# Window geometry stringcur_win.geometry(position)ax.plot(t,x)plt.show()

Actual outcome

Expected outcome

When the size of the window is then MANUALLY changed, the figure immediately changes to the accurate scale:

Additional information

The bug appears from Matplotlib 3.5.1 onward

Operating system

Windows 11

Matplotlib Version

3.5.1

Matplotlib Backend

TkAgg

Python version

3.9.10

Jupyter version

No response

Installation

No response