Moved all demo programs into subfolder

DemoPrograms/Demo_Matplotlib_Animated_Scatter.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+import sys
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+
+from random import randint
+import PySimpleGUI as sg
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, FigureCanvasAgg
+from matplotlib.figure import Figure
+import matplotlib.backends.tkagg as tkagg
+import tkinter as tk
+
+
+def main():
+    # define the form layout
+    layout = [[sg.Text('Animated Matplotlib', size=(40, 1), justification='center', font='Helvetica 20')],
+              [sg.Canvas(size=(640, 480), key='canvas')],
+              [sg.ReadButton('Exit', size=(10, 2), pad=((280, 0), 3), font='Helvetica 14')]]
+
+    # create the form and show it without the plot
+    window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI').Layout(layout).Finalize()
+
+    canvas_elem = window.FindElement('canvas')
+    canvas = canvas_elem.TKCanvas
+
+    while True:
+        event, values = window.Read(timeout=10)
+        if event is 'Exit' or event is None:
+            exit(69)
+
+        def PyplotScatterWithLegend():
+            import matplotlib.pyplot as plt
+            from numpy.random import rand
+
+            fig, ax = plt.subplots()
+            for color in ['red', 'green', 'blue']:
+                n = 750
+                x, y = rand(2, n)
+                scale = 200.0 * rand(n)
+                ax.scatter(x, y, c=color, s=scale, label=color,
+                           alpha=0.3, edgecolors='none')
+
+            ax.legend()
+            ax.grid(True)
+            return fig
+
+        fig = PyplotScatterWithLegend()
+
+        figure_x, figure_y, figure_w, figure_h = fig.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(640/2, 480/2, image=photo)
+
+        figure_canvas_agg = FigureCanvasAgg(fig)
+        figure_canvas_agg.draw()
+
+        # Unfortunately, there's no accessor for the pointer to the native renderer
+        tkagg.blit(photo, figure_canvas_agg.get_renderer()._renderer, colormode=2)
+
+        # time.sleep(.1)
+
+
+if __name__ == '__main__':
+    main()