CocoPi/backup/preset/app/01_camera.py

#!/usr/bin/env python
#version:2023.04.06
#显示摄像头图像
from maix import camera
from maix import display
from maix import image     #引入python模块包
import time
import sys
sys.path.append('/root/')
from CocoPi import BUTTON

image.load_freetype("/root/preset/fonts/SourceHanSansCN-Regular.otf")
buttonState=0
newState=0
oldState=0
def buttonDetect():
    global buttonState,newState,oldState
    newState=key_C.is_pressed()
    if newState == True and oldState == False:
        buttonState=1
    elif newState == False and oldState == True:
        buttonState=2
    else:
        buttonState=0
    oldState=newState
    
def timeStampConvert():
    timeListOutput=""
    timeListOutput = str(time.localtime().tm_year) + \
        str(time.localtime().tm_mon)+str(time.localtime().tm_mday) + \
        str(time.localtime().tm_hour)+str(time.localtime().tm_min) + \
        str(time.localtime().tm_sec)
    return timeListOutput

key_C = BUTTON(13)
camera.camera.config(size=(240, 320))
while True:
    buttonDetect()
    savePathHead="/root/user/img/photo_"
    savePathTail=".png"
    if buttonState!=2:
        img_backdrop = image.new(size=(320,240),color=(0, 0, 0))    #创建背景画布
        camera_img = camera.capture()    #从摄像头中获取一张图像
        camera_img_capture = camera_img.crop(0, 0, 240, 320)        #截取图像
        img_backdrop.draw_image(camera_img_capture.rotate(90,adjust=1))
        img_backdrop.draw_image((image.open("/root/preset/img/camera_bfbfbf_24x24.png")).rotate(0, adjust=0),292,2,alpha=1)
        img_backdrop.draw_image((image.open("/root/preset/img/exit_ff0000_24x24.png")).rotate(0, adjust=0),288,216,alpha=1)
        display.show(img_backdrop)         #将图像显示出来
    else:
        img_backdrop = image.new(size=(320,240),color=(0, 0, 0))    #创建背景画布
        camera_img = camera.capture()    #从摄像头中获取一张图像
        camera_img_capture = camera_img.crop(0, 0, 240, 320)        #截取图像
        camera_img_rotate=camera_img_capture.rotate(90,adjust=1)
        camera_img_rotate.save(savePathHead+timeStampConvert()+savePathTail)
        img_backdrop.draw_image(camera_img_rotate.resize(280, 210),20,15)
        img_backdrop.draw_image((image.open("/root/preset/img/camera_bfbfbf_24x24.png")).rotate(0, adjust=0),292,2,alpha=1)
        img_backdrop.draw_image((image.open("/root/preset/img/exit_ff0000_24x24.png")).rotate(0, adjust=0),288,216,alpha=1)
        display.show(img_backdrop)         #将图像显示出来
        time.sleep(0.5)