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Update to use the new Matplotlib interface

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PySimpleGUI 2019-11-25 01:04:49 -05:00
parent a3753b25bf
commit 3f899f624b
2 changed files with 19 additions and 47 deletions
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31
DemoPrograms/Demo_Pyploy_Bar_Chart2.py
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@ -1,12 +1,9 @@
#!/usr/bin/env python
import PySimpleGUI as sg
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import numpy as np
import matplotlib.pyplot as plt
import tkinter as Tk
import matplotlib.backends.tkagg as tkagg
from matplotlib.backends.backend_tkagg import FigureCanvasAgg
import PySimpleGUI as sg
import matplotlib
matplotlib.use('TkAgg')
# matplotlib.use('TkAgg')
"""
Demonstrates one way of embedding Matplotlib figures into a PySimpleGUI window.
@ -38,32 +35,22 @@ plt.title('Market Share for Each Genre 1995-2017')
# ------------------------------- Beginning of Matplotlib helper code -----------------------
def draw_figure(canvas, figure, loc=(0, 0)):
""" Draw a matplotlib figure onto a Tk canvas
loc: location of top-left corner of figure on canvas in pixels.
Inspired by matplotlib source: lib/matplotlib/backends/backend_tkagg.py
"""
figure_canvas_agg = FigureCanvasAgg(figure)
figure_canvas_agg = FigureCanvasTkAgg(figure, canvas)
figure_canvas_agg.draw()
figure_x, figure_y, figure_w, figure_h = figure.bbox.bounds
figure_w, figure_h = int(figure_w), int(figure_h)
photo = Tk.PhotoImage(master=canvas, width=figure_w, height=figure_h)
canvas.create_image(loc[0] + figure_w/2, loc[1] + figure_h/2, image=photo)
tkagg.blit(photo, figure_canvas_agg.get_renderer()._renderer, colormode=2)
return photo
figure_canvas_agg.get_tk_widget().pack(side='top', fill='both', expand=1)
return figure_canvas_agg
# ------------------------------- Beginning of GUI CODE -------------------------------
sg.change_look_and_feel('Light Brown 3')
fig = plt.gcf() # if using Pyplot then get the figure from the plot
figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
# define the window layout
layout = [[sg.Text('Plot test', font='Any 18')],
[sg.Canvas(size=(figure_w, figure_h), key='canvas')],
[sg.Canvas(size=(figure_w, figure_h), key='-CANVAS-')],
[sg.OK(pad=((figure_w / 2, 0), 3), size=(4, 2))]]
# create the form and show it without the plot
@ -71,7 +58,7 @@ window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI',
layout, force_toplevel=True, finalize=True)
# add the plot to the window
fig_photo = draw_figure(window['canvas'].TKCanvas, fig)
fig_photo = draw_figure(window['-CANVAS-'].TKCanvas, fig)
# show it all again and get buttons
event, values = window.read()