def figure_to_image(figure):
"""
Draws the previously created "figure" in the supplied Image Element
:param element: an Image Element
:param figure: a Matplotlib figure
:return: The figure canvas
"""
plt.close('all') # erases previously drawn plots
canv = FigureCanvasAgg(figure)
buf = io.BytesIO()
canv.print_figure(buf, format='png')
if buf is None:
return None
buf.seek(0)
return buf.read()
def draw_figure(figure):
"""
Draws the previously created "figure" in the supplied Image Element
:param figure: a Matplotlib figure
:return: BytesIO object
"""
plt.close('all') # erases previously drawn plots
canv = FigureCanvasAgg(figure)
buf = io.BytesIO()
canv.print_figure(buf, format='png')
if buf is not None:
buf.seek(0)
# element.update(data=buf.read())
return buf
else:
return None
