NEW demo program - Fourier Transform. Updated Calendar demo

DemoPrograms/Demo_Calendar.py

@@ -4,11 +4,11 @@ import PySimpleGUI as sg
 """
     Simple test harness to demonstate how to use the CalendarButton and the get date popup
 """
-
+sg.theme('Dark Red')
 layout = [[sg.Text('Date Chooser Test Harness', key='-TXT-')],
-      [sg.Input(key='-IN-', size=(20,1)), sg.CalendarButton('Cal US No Buttons Location (0,0)', close_when_date_chosen=True,  target='-IN-', location=(0,0))],
-      [sg.Input(key='-IN3-', size=(20,1)), sg.CalendarButton('Cal US Monday', close_when_date_chosen=False,  target='-IN3-', begin_at_sunday_plus=1)],
-      [sg.Input(key='-IN2-', size=(20,1)), sg.CalendarButton('Cal German Feb 2020',  target='-IN2-',  default_date_m_d_y=(2,None,2020), locale='de_DE', begin_at_sunday_plus=1 )],
+      [sg.Input(key='-IN-', size=(20,1)), sg.CalendarButton('Cal US No Buttons Location (0,0)', close_when_date_chosen=True,  target='-IN-', location=(0,0), no_titlebar=False, )],
+      [sg.Input(key='-IN3-', size=(20,1)), sg.CalendarButton('Cal Monday', title='Pick a date any date', no_titlebar=True, close_when_date_chosen=False,  target='-IN3-', begin_at_sunday_plus=1, month_names=('студзень', 'люты', 'сакавік', 'красавік', 'май', 'чэрвень', 'ліпень', 'жнівень', 'верасень', 'кастрычнік', 'лістапад', 'снежань'), day_abbreviations=('Дш', 'Шш', 'Шр', 'Бш', 'Жм', 'Иш', 'Жш'))],
+      [sg.Input(key='-IN2-', size=(20,1)), sg.CalendarButton('Cal German Feb 2020',  target='-IN2-',  default_date_m_d_y=(2,None,2020), locale='de DE', begin_at_sunday_plus=1 )],
       [sg.Input(key='-IN4-', size=(20,1)), sg.CalendarButton('Cal Format %m-%d Jan 2020',  target='-IN4-', format='%m-%d', default_date_m_d_y=(1,None,2020), )],
       [sg.Button('Read'), sg.Button('Date Popup'), sg.Exit()]]
 

DemoPrograms/Demo_Graph_FourierTransform.py

@@ -0,0 +1,72 @@
+import math
+import numpy as np
+import PySimpleGUI as sg
+import time
+
+"""
+    Fourier Transform Animated Graph
+    
+    A fun demonstration of the Graph Element and the drawing primitive draw_lines
+    Written by Jason Yang, by an innovative PySimpleGUI user that has created a number
+    of impressive animations using PySimpleGUI.
+    
+    Copyright 2020 Jason Yang
+"""
+
+def push(v):
+    if len(buffer)==size:
+        del buffer[-1]
+    buffer[0:0] = [v]
+
+def update(i):
+    draw.Erase()
+    x1 = x0 + r1*math.cos(v1*i*rad)
+    y1 = y0 + r1*math.sin(v1*i*rad)
+    x2 = x1 + r2*math.cos(v2*i*rad)
+    y2 = y1 + r2*math.sin(v2*i*rad)
+    x3 = x2 + r3*math.cos(v3*i*rad)
+    y3 = y2 + r3*math.sin(v3*i*rad)
+    push(y3)
+    draw.DrawCircle((x0, y0), r1, line_color='blue')
+    draw.DrawCircle((x1, y1), r2, line_color='yellow')
+    draw.DrawCircle((x2, y2), r3, line_color='red')
+    draw.DrawLine((x0, y0), (x1, y1), color='magenta')
+    draw.DrawLine((x1, y1), (x2, y2), color='white')
+    draw.DrawLine((x2, y2), (x3, y3), color='white')
+    draw.DrawLine((x3, y3), (x[0]+xx, buffer[0]), color='ivory')
+    draw.DrawPoint((x3, y3), size=10, color='red')
+    lines = ((x[i]+xx, y) for i, y in enumerate(buffer))
+    draw.DrawLines(lines, color='green1')
+
+size = 720
+distance = 100
+r0, r1, r2, r3 = 90, 90, 30, 18
+rad = math.pi/180
+v1, v2, v3 = 1, 3, 5
+x = np.array(list(range(size)))
+x0 = y0 = r1+r2+r3
+xx = x0*2 + distance
+buffer = []
+win_size = (xx+size, 2*x0)
+
+layout = [[sg.Graph(canvas_size=win_size, graph_bottom_left=(0, 0),
+                     graph_top_right=win_size, key='-GRAPH-')]]
+window = sg.Window('Fourier', layout=layout, finalize=True)
+draw = window['-GRAPH-']
+
+i = 0
+timeout = refresh_interval = 10    # Target refresh interval = 10 milliseconds
+
+while True:
+    start_time = time.time()
+
+    event, values = window.read(timeout=timeout)
+    if event == None:
+        break
+
+    update(i)
+    i = i+1 if i<359 else 0
+
+    timeout = max(0, (refresh_interval - (time.time()-start_time)*1000))
+
+window.close()

DemoPrograms/Demo_Graph__Element.py

@@ -1,71 +0,0 @@
-import PySimpleGUI as sg
-from threading import Thread
-import ping
-import time
-
-# Yet another usage of Graph element.
-
-STEP_SIZE = 1
-SAMPLES = 6000
-CANVAS_SIZE = (6000, 500)
-
-# globale used to communicate with thread.. yea yea... it's working fine
-g_exit = False
-g_response_time = None
-
-
-def ping_thread(args):
-    global g_exit, g_response_time
-    while not g_exit:
-        g_response_time = ping.quiet_ping('google.com', timeout=1000)
-
-
-def main():
-    global g_exit, g_response_time
-
-    # start ping measurement thread
-    thread = Thread(target=ping_thread, args=(None,))
-    thread.start()
-
-    sg.theme('Black')
-    sg.set_options(element_padding=(0, 0))
-
-    layout = [[sg.Text('Ping times to Google.com', font='Any 12'),
-                sg.Quit(pad=((100, 0), 0), button_color=('white', 'black'))],
-              [sg.Graph(CANVAS_SIZE, (0, 0), (SAMPLES, 500),
-                        background_color='black', key='graph')]
-              ]
-
-    form = sg.FlexForm('Canvas test', layout, grab_anywhere=True, background_color='black',
-                       no_titlebar=False, use_default_focus=False, finalize=True)
-    graph = form['graph']
-
-    prev_response_time = None
-    i = 0
-    prev_x, prev_y = 0, 0
-    while True:
-        time.sleep(.2)
-
-        button, values = form.ReadNonBlocking()
-        if button == 'Quit' or values is None:
-            break
-        if g_response_time is None or prev_response_time == g_response_time:
-            continue
-        new_x, new_y = i, g_response_time[0]
-        prev_response_time = g_response_time
-        if i >= SAMPLES:
-            graph.move(-STEP_SIZE, 0)
-            prev_x = prev_x - STEP_SIZE
-        graph.draw_line((prev_x, prev_y), (new_x, new_y), color='white')
-        # form['graph'].draw_point((new_x, new_y), color='red')
-        prev_x, prev_y = new_x, new_y
-        i += STEP_SIZE if i < SAMPLES else 0
-
-    # tell thread we're done. wait for thread to exit
-    g_exit = True
-    thread.join()
-
-
-if __name__ == '__main__':
-    main()
-