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Major update of all demo programs to use new PEP8 bindings, etc

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This commit is contained in:
PySimpleGUI 2019-10-23 16:10:03 -04:00
parent 3f7c87c562
commit 7f52778bcc
307 changed files with 19546 additions and 3297 deletions
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12
DemoPrograms/Demo_OpenCV_Webcam_Minimal.py
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@ -1,6 +1,4 @@
import PySimpleGUI as sg
# import PySimpleGUIQt as sg
# import PySimpleGUIWeb as sg # has a known flicker problem that's being worked
import cv2
"""
@ -10,10 +8,10 @@ import cv2
in PySimpleGUIQt (yet).
"""
sg.ChangeLookAndFeel('Black')
sg.change_look_and_feel('Black')
# define the window layout
layout = [[sg.Image(filename='', key='_IMAGE_', tooltip='Right click for exit menu')],]
layout = [[sg.Image(filename='', key='-IMAGE-', tooltip='Right click for exit menu')],]
# create the window and show it without the plot
window = sg.Window('Demo Application - OpenCV Integration', layout, location=(800,400),
@ -23,9 +21,11 @@ window = sg.Window('Demo Application - OpenCV Integration', layout, location=(80
# ---===--- Event LOOP Read and display frames, operate the GUI --- #
cap = cv2.VideoCapture(0) # Setup the OpenCV capture device (webcam)
while True:
event, values = window.Read(timeout=20, timeout_key='timeout')
event, values = window.read(timeout=20)
if event in ('Exit', None):
break
ret, frame = cap.read() # Read image from capture device (camera)
imgbytes=cv2.imencode('.png', frame)[1].tobytes() # Convert the image to PNG Bytes
window.FindElement('_IMAGE_').Update(data=imgbytes) # Change the Image Element to show the new image
window['-IMAGE-'].update(data=imgbytes) # Change the Image Element to show the new image
window.close()