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Moved visibility setting out of the drawing function for better performance

This commit is contained in:
PySimpleGUI 2021-06-30 10:58:41 -04:00
parent 35dd8b3df1
commit c48968b36d
1 changed files with 8 additions and 5 deletions
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11
DemoPrograms/Demo_Matplotlib_Image_Elem.py
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@ -63,6 +63,7 @@ def your_matplotlib_code():
# ooooooooooooooooooooooooooooo of your Matplotlib code # ooooooooooooooooooooooooooooo of your Matplotlib code
# ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
# dP dP dP # dP dP dP
@ -71,7 +72,7 @@ def your_matplotlib_code():
# 88 88 88ooood8 88 88' `88 88ooood8 88' `88 # 88 88 88ooood8 88 88' `88 88ooood8 88' `88
# 88 88 88. ... 88 88. .88 88. ... 88 # 88 88 88. ... 88 88. .88 88. ... 88
# dP dP `88888P' dP 88Y888P' `88888P' dP # dP dP `88888P' dP 88Y888P' `88888P' dP
# ooooooooooooooooooooooo~88~oooooooooooooooooooooooo function # ooooooooooooooooooooooo~88~oooooooooooooooooooooooo function starts below
# dP # dP
def draw_figure(element, figure): def draw_figure(element, figure):
@ -87,11 +88,12 @@ def draw_figure(element, figure):
canv = FigureCanvasAgg(figure) canv = FigureCanvasAgg(figure)
buf = io.BytesIO() buf = io.BytesIO()
canv.print_figure(buf, format='png') canv.print_figure(buf, format='png')
if buf is None: if buf is not None:
return None
buf.seek(0) buf.seek(0)
element.update(data=buf.read(), visible=True) element.update(data=buf.read())
return canv return canv
else:
return None
@ -120,6 +122,7 @@ def main():
break break
elif event == 'Ok': elif event == 'Ok':
draw_figure(window['-IMAGE-'], your_matplotlib_code()) draw_figure(window['-IMAGE-'], your_matplotlib_code())
window['-IMAGE-'].update(visible=True)
elif event == 'Clear': elif event == 'Clear':
plt.close('all') # close all plots plt.close('all') # close all plots
window['-IMAGE-'].update() # clears the image window['-IMAGE-'].update() # clears the image