kivy_cv1

Author: makelove

cv-Tkinter-GUI/kivy-GUI/kivy_cv1.py

@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+# @Time : 2018/2/8 16:30
+# @Author : play4fun
+# @File : kivy_cv1.py
+# @Software: PyCharm
+
+"""
+kivy_cv1.py:
+https://gist.github.com/ExpandOcean/de261e66949009f44ad2
+
+pip install kivy
+
+无显示
+"""
+
+# coding:utf-8
+fromkivy.appimportApp
+fromkivy.uix.imageimportImage
+fromkivy.clockimportClock
+fromkivy.graphics.textureimportTexture
+importcv2
+
+
+classKivyCamera(Image):
+def__init__(self, capture, fps, **kwargs):
+super(KivyCamera, self).__init__(**kwargs)
+self.capture=capture
+Clock.schedule_interval(self.update, 1.0/fps)
+
+defupdate(self, dt):
+ret, frame=self.capture.read()
+ifret:
+# 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
+
+
+classCamApp(App):
+defbuild(self):
+self.capture=cv2.VideoCapture(1)
+self.my_camera=KivyCamera(capture=self.capture, fps=30)
+returnself.my_camera
+
+defon_stop(self):
+# without this, app will not exit even if the window is closed
+self.capture.release()
+
+
+if__name__=='__main__':
+CamApp().run()