json 挑图工具脚本

import json
import time

import numpy as np
from natsort import natsorted
import cv2
import os
import shutil
from pynput import keyboard

def show_img(idx):
    if direction == 0:
        return
    if 0 <= idx < len(json_paths):
        try:
            print(idx, json_paths[idx])
            json_path=json_paths[idx]
            with open(json_path, 'r') as f:
                datas = json.load(f)

            points = datas['shapes'][0]['points']
            img_path = json_path.replace('.json', '.jpg')

            img = cv2.imread(img_path)

            width, height = img.shape[1], img.shape[0]

            x1, y1 = int(points[0][0]), int(points[0][1])
            x2, y2 = int(points[1][0]), int(points[1][1])

            if x1 == x2:  # 垂直线
                intersections = [(x1, 0), (x1, height)]
            elif y1 == y2:  # 水平线