From 8823936fc2fe185d27729e2d073609dd25ea73b4 Mon Sep 17 00:00:00 2001
From: PySimpleGUI <PySimpleGUI@PySimpleGUI.com>
Date: Sat, 19 Jun 2021 18:16:51 -0400
Subject: [PATCH] Change to ppm format from png to get better performance

---
 DemoPrograms/Demo_OpenCV_Draw_On_Webcam_Image.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DemoPrograms/Demo_OpenCV_Draw_On_Webcam_Image.py b/DemoPrograms/Demo_OpenCV_Draw_On_Webcam_Image.py
index 07a1b964..dd14bb91 100644
--- a/DemoPrograms/Demo_OpenCV_Draw_On_Webcam_Image.py
+++ b/DemoPrograms/Demo_OpenCV_Draw_On_Webcam_Image.py
@@ -23,7 +23,7 @@ def main():
             break
 
         ret, frame = cap.read()
-        imgbytes=cv2.imencode('.png', frame)[1].tobytes()
+        imgbytes=cv2.imencode('.ppm', frame)[1].tobytes()
         if a_id:
             graph_elem.delete_figure(a_id)             # delete previous image
         a_id = graph_elem.draw_image(data=imgbytes, location=(0,0))    # draw new image
@@ -34,4 +34,4 @@ def main():
 
     window.close()
 
-main()
+main()
\ No newline at end of file