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Colour Image OpenCV->PySimpleGUI 

I think I found a nicer way to do it. 
PySimpleGUI is really neat, thank you for your hard work!
Cheers
jacky
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jackyOO7 2018-10-16 17:26:26 +02:00 committed by GitHub
parent 22c1dbd160
commit bd7cd64cee
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1 changed files with 6 additions and 17 deletions
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23
Demo_OpenCV_Webcam.py
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@ -4,10 +4,8 @@ if sys.version_info[0] >= 3:
import PySimpleGUI as sg
else:
import PySimpleGUI27 as sg
import cv2 as cv
from PIL import Image
import cv2
import numpy as np
import io
from sys import exit as exit
"""
@ -31,7 +29,7 @@ def main():
window.Layout(layout).Finalize()
# ---===--- Event LOOP Read and display frames, operate the GUI --- #
cap = cv.VideoCapture(0)
cap = cv2.VideoCapture(0)
recording = False
while True:
event, values = window.ReadNonBlocking()
@ -42,10 +40,8 @@ def main():
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()
img = np.full((480, 640),255)
imgbytes=cv2.imencode('.png', img)[1].tobytes() #this is faster, shorter and needs less includes
window.FindElement('image').Update(data=imgbytes)
elif event == 'About':
sg.PopupNoWait('Made with PySimpleGUI',
@ -56,14 +52,7 @@ def main():
keep_on_top=True)
if recording:
ret, frame = cap.read()
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
imgbytes=cv2.imencode('.png', cv2.cvtColor(frame,cv2.COLOR_BGR2RGB))[1].tobytes() #ditto
window.FindElement('image').Update(data=imgbytes)
main()
main()