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Merge pull request #2245 from PySimpleGUI/Dev-latest 

Update to use the new Matplotlib interface
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PySimpleGUI 2019-11-25 01:06:02 -05:00 committed by GitHub
parent 00df7fee1d 3f899f624b
commit 3ddb991df4
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2 changed files with 19 additions and 47 deletions
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35
DemoPrograms/Demo_Pyplot_Bar_Chart.py
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@ -1,11 +1,10 @@
#!/usr/bin/env python #!/usr/bin/env python
import PySimpleGUI as sg import PySimpleGUI as sg
import matplotlib import matplotlib
matplotlib.use('TkAgg') from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.backends.backend_tkagg import FigureCanvasAgg # matplotlib.use('TkAgg')
import matplotlib.backends.tkagg as tkagg import numpy as np
import tkinter as Tk import matplotlib.pyplot as plt
""" """
Demonstrates one way of embedding Matplotlib figures into a PySimpleGUI window. Demonstrates one way of embedding Matplotlib figures into a PySimpleGUI window.
@ -21,9 +20,6 @@ If you want to change the GUI, make changes to the GUI portion marked below.
# ------------------------------- PASTE YOUR MATPLOTLIB CODE HERE ------------------------------- # ------------------------------- PASTE YOUR MATPLOTLIB CODE HERE -------------------------------
import numpy as np
import matplotlib.pyplot as plt
values_to_plot = (20, 35, 30, 35, 27) values_to_plot = (20, 35, 30, 35, 27)
ind = np.arange(len(values_to_plot)) ind = np.arange(len(values_to_plot))
width = 0.4 width = 0.4
@ -41,32 +37,21 @@ plt.legend((p1[0],), ('Data Group 1',))
# ------------------------------- Beginning of Matplotlib helper code ----------------------- # ------------------------------- Beginning of Matplotlib helper code -----------------------
def draw_figure(canvas, figure, loc=(0, 0)): def draw_figure(canvas, figure, loc=(0, 0)):
""" Draw a matplotlib figure onto a Tk canvas figure_canvas_agg = FigureCanvasTkAgg(figure, 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.draw() figure_canvas_agg.draw()
figure_x, figure_y, figure_w, figure_h = figure.bbox.bounds figure_canvas_agg.get_tk_widget().pack(side='top', fill='both', expand=1)
figure_w, figure_h = int(figure_w), int(figure_h) return figure_canvas_agg
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
# ------------------------------- Beginning of GUI CODE ------------------------------- # ------------------------------- 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 fig = plt.gcf() # if using Pyplot then get the figure from the plot
figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
# define the window layout # define the window layout
layout = [[sg.Text('Plot test', font='Any 18')], 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))]] [sg.OK(pad=((figure_w / 2, 0), 3), size=(4, 2))]]
# create the form and show it without the plot # create the form and show it without the plot
@ -74,7 +59,7 @@ window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI',
layout, force_toplevel=True, finalize=True) layout, force_toplevel=True, finalize=True)
# add the plot to the window # 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 # show it all again and get buttons
event, values = window.read() event, values = window.read()

31
DemoPrograms/Demo_Pyploy_Bar_Chart2.py
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@ -1,12 +1,9 @@
#!/usr/bin/env python #!/usr/bin/env python
import PySimpleGUI as sg
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import numpy as np import numpy as np
import matplotlib.pyplot as plt import matplotlib.pyplot as plt
import tkinter as Tk # matplotlib.use('TkAgg')
import matplotlib.backends.tkagg as tkagg
from matplotlib.backends.backend_tkagg import FigureCanvasAgg
import PySimpleGUI as sg
import matplotlib
matplotlib.use('TkAgg')
""" """
Demonstrates one way of embedding Matplotlib figures into a PySimpleGUI window. 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 ----------------------- # ------------------------------- Beginning of Matplotlib helper code -----------------------
def draw_figure(canvas, figure, loc=(0, 0)): def draw_figure(canvas, figure, loc=(0, 0)):
""" Draw a matplotlib figure onto a Tk canvas figure_canvas_agg = FigureCanvasTkAgg(figure, 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.draw() figure_canvas_agg.draw()
figure_x, figure_y, figure_w, figure_h = figure.bbox.bounds figure_canvas_agg.get_tk_widget().pack(side='top', fill='both', expand=1)
figure_w, figure_h = int(figure_w), int(figure_h) return figure_canvas_agg
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
# ------------------------------- Beginning of GUI CODE ------------------------------- # ------------------------------- 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 fig = plt.gcf() # if using Pyplot then get the figure from the plot
figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
# define the window layout # define the window layout
layout = [[sg.Text('Plot test', font='Any 18')], 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))]] [sg.OK(pad=((figure_w / 2, 0), 3), size=(4, 2))]]
# create the form and show it without the plot # 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) layout, force_toplevel=True, finalize=True)
# add the plot to the window # 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 # show it all again and get buttons
event, values = window.read() event, values = window.read()