CocoPi/backup/preset/app/13_qrCodeScanner.py

#!/usr/bin/env python
#version    :       2023.04.04
#language   :       ch
from maix import camera, display, zbar, image
import sys
sys.path.append('/root/CocoPi.py')
ScreenOrientation = False
image.load_freetype("/root/preset/fonts/SourceHanSansCN-Regular.otf")
camera.camera.config(size=(240,320))
def lcdRotation(inputImg,rotationAngle):
    from maix import image
    imageRotationBuffer = inputImg.crop(0, 0, 240, 320)
    if ScreenOrientation:
        imgRotationAim = image.new(size = (240, 320))
    else:
        imgRotationAim = image.new(size = (320, 240))
    return imgRotationAim.draw_image(imageRotationBuffer.rotate(rotationAngle, adjust=1),0,0,alpha=1)

if ScreenOrientation:
    CAMERAROTATE = +180
else:
    CAMERAROTATE = +90

while True:
    canvas = lcdRotation(camera.capture(),CAMERAROTATE)
    mks = canvas.find_qrcodes()
    for mk in mks:
        #外框数据
        X = mk['x']
        Y = mk['y']
        W = mk['w']
        H = mk['h']            
        #二维码信息
        string = mk['payload']
        #画外框
        canvas.draw_rectangle(X, Y, X + W, Y + H, color=(0, 0, 255), thickness = 2) 
        #打印信息
        canvas.draw_string(int(X) , int(Y - 35) , str(string), scale = 1, color = (255, 0, 0), thickness = 2)  #内框ID
    canvas.draw_image((image.open("/root/preset/img/exit_ff0000_24x24.png")).rotate(0, adjust=0),288,216,alpha=1)
    display.show(canvas)