This commit is contained in:
yumoqing 2020-09-23 09:42:46 +08:00
parent 60f5b2c5ee
commit 9d777e773b
2 changed files with 39 additions and 7 deletions

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@ -5,13 +5,6 @@ import json
from traceback import print_exc from traceback import print_exc
import kivy import kivy
from kivy.config import Config
from kivy.resources import resource_add_path
resource_add_path(os.path.join(os.path.dirname(__file__),'./ttf'))
Config.set('kivy', 'default_font', [
'msgothic',
'DroidSansFallback.ttf'])
from functools import partial from functools import partial
from appPublic.dictExt import dictExtend from appPublic.dictExt import dictExtend

39
kivyblocks/kivycamera.py Normal file
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@ -0,0 +1,39 @@
from kivy.app import App
from kivy.uix.image import Image
from kivy.clock import Clock
from kivy.graphics.texture import Texture
from kivy.factory import Factory
import cv2
class KivyCamera(Image):
def __init__(self, fps=25.0, face_detect=Falsem **kwargs):
super(KivyCamera, self).__init__(**kwargs)
self.capture = cv2.VideoCapture(0)
self.face_detect = face_detect
self.faceCascade = None
if face_detect:
self.faceCascade = cv2.CascadeClassifier("Resources/haarcascades/haarcascade_frontalface_default.xml") # added
Clock.schedule_interval(self.update, 1.0 / fps)
def add_face_detech(self,frame):
frameGray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faces = self.faceCascade.detectMultiScale(frameGray, 1.1, 4)
for (x, y, w, h) in faces: # added
cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2)
def update(self, dt):
ret, frame = self.capture.read()
if ret:
if self.faceCascade:
frame = self.add_face_detech(frame)
# 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
Factory.register('Camera',KivyCamera)