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Merge pull request #1988 from PySimpleGUI/Dev-latest 

Updated to work with Matplotlib 3.1.1
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PySimpleGUI 2019-09-18 20:08:18 -04:00 committed by GitHub
parent 26a20b663f ef138509ac
commit 96438e10d6
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1 changed files with 8 additions and 22 deletions
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DemoPrograms/Demo_Matplotlib.py
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@ -1,15 +1,10 @@
#!/usr/bin/env python
import sys
if sys.version_info[0] >= 3:
import PySimpleGUI as sg
else:
import PySimpleGUI27 as sg
import matplotlib
matplotlib.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasAgg
import matplotlib.backends.tkagg as tkagg
import tkinter as Tk
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
"""
Demonstrates one way of embedding Matplotlib figures into a PySimpleGUI window.
@ -20,6 +15,9 @@ Basic steps are:
* Display form (NON BLOCKING)
* Draw plots onto convas
* Display form (BLOCKING)
Based on information from: https://matplotlib.org/3.1.0/gallery/user_interfaces/embedding_in_tk_sgskip.html
(Thank you dirck)
"""
@ -83,20 +81,9 @@ figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
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)
#------------------------------- Beginning of GUI CODE -------------------------------
@ -111,5 +98,4 @@ window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI', for
# add the plot to the window
fig_photo = draw_figure(window.FindElement('canvas').TKCanvas, fig)
# show it all again and get buttons
event, values = window.Read()