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Renamed return value from Read call from button to event... EVERYWHERE

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This commit is contained in:
MikeTheWatchGuy 2018-10-15 16:07:23 -04:00
parent 43526e0182
commit c79a8772cc
86 changed files with 7992 additions and 12709 deletions
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42
Demo_OpenCV_Webcam.py
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@ -6,6 +6,7 @@ else:
import PySimpleGUI27 as sg
import cv2 as cv
from PIL import Image
import numpy as np
import io
from sys import exit as exit
@ -19,39 +20,50 @@ def main():
# define the window layout
layout = [[sg.Text('OpenCV Demo', size=(40, 1), justification='center', font='Helvetica 20')],
[sg.Image(filename='', key='image')],
[sg.ReadButton('Exit', size=(10, 1), pad=((200, 0), 3), font='Helvetica 14'),
[sg.ReadButton('Record', size=(10, 1), font='Helvetica 14'),
sg.RButton('Stop', size=(10, 1), font='Any 14'),
sg.ReadButton('Exit', size=(10, 1), font='Helvetica 14'),
sg.RButton('About', size=(10,1), font='Any 14')]]
# create the window and show it without the plot
window = sg.Window('Demo Application - OpenCV Integration',
location=(800,400))
window.Layout(layout)
window.ReadNonBlocking()
window.Layout(layout).Finalize()
# ---===--- Event LOOP Read and display frames, operate the GUI --- #
cap = cv.VideoCapture(0)
recording = False
while True:
button, values = window.ReadNonBlocking()
event, values = window.ReadNonBlocking()
if button is 'Exit' or values is None:
if event == 'Exit' or values is None:
sys.exit(0)
elif button == 'About':
elif event == 'Record':
recording = True
elif event == 'Stop':
recording = False
img = Image.new('RGB', (640, 480), (255, 255, 255))
bio = io.BytesIO() # a binary memory resident stream
img.save(bio, format='PNG') # save image as png to it
imgbytes = bio.getvalue()
window.FindElement('image').Update(data=imgbytes)
elif event == 'About':
sg.PopupNoWait('Made with PySimpleGUI',
'www.PySimpleGUI.org',
'Check out how the video keeps playing behind this window.',
'I finally figured out how to display frames from a webcam.',
'ENJOY! Go make something really cool with this... please!',
keep_on_top=True)
if recording:
ret, frame = cap.read()
ret, frame = cap.read()
gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
# let img be the PIL image
img = Image.fromarray(gray) # create PIL image from frame
bio = io.BytesIO() # a binary memory resident stream
img.save(bio, format= 'PNG') # save image as png to it
imgbytes = bio.getvalue() # this can be used by OpenCV hopefully
window.FindElement('image').Update(data=imgbytes)
# let img be the PIL image
img = Image.fromarray(gray) # create PIL image from frame
bio = io.BytesIO() # a binary memory resident stream
img.save(bio, format= 'PNG') # save image as png to it
imgbytes = bio.getvalue() # this can be used by OpenCV hopefully
window.FindElement('image').Update(data=imgbytes)
main()