Skip to content

Instantly share code, notes, and snippets.

@baseplate-admin
Forked from ExpandOcean/kivy_cv.py
Created November 14, 2020 19:30
Show Gist options
  • Save baseplate-admin/526bead4e8d2105f65f6aca2dd79b2c2 to your computer and use it in GitHub Desktop.
Save baseplate-admin/526bead4e8d2105f65f6aca2dd79b2c2 to your computer and use it in GitHub Desktop.
kivy and opencv work together demo
# coding:utf-8
from kivy.app import App
from kivy.uix.image import Image
from kivy.clock import Clock
from kivy.graphics.texture import Texture
import cv2
class KivyCamera(Image):
def __init__(self, capture, fps, **kwargs):
super(KivyCamera, self).__init__(**kwargs)
self.capture = capture
Clock.schedule_interval(self.update, 1.0 / fps)
def update(self, dt):
ret, frame = self.capture.read()
if ret:
# convert it to texture
buf1 = cv2.flip(frame, 0)
buf = buf1.tostring()
image_texture = Texture.create(
size=(frame.shape[1], frame.shape[0]), colorfmt='bgr')
image_texture.blit_buffer(buf, colorfmt='bgr', bufferfmt='ubyte')
# display image from the texture
self.texture = image_texture
class CamApp(App):
def build(self):
self.capture = cv2.VideoCapture(1)
self.my_camera = KivyCamera(capture=self.capture, fps=30)
return self.my_camera
def on_stop(self):
#without this, app will not exit even if the window is closed
self.capture.release()
if __name__ == '__main__':
CamApp().run()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment