Please indicate the source for reprinting: Senior Xiaofeng’s Big Bang Theory [xfxuezhang.cn]
I previously made a tool to download Baidu's rotating image verification code ( multi-process download of Baidu rotating verification code image - making a data set ). After getting the image data, I need to manually correct and adjust it to make a data set, so I came up with this tool.
Effect demonstration:
Source code: (Double-click the debugging information output column to see a surprise)
import tkinter as tk
from tkinter import filedialog
from PIL import Image, ImageTk
import os
import pyperclip
import cv2
import numpy as np
def img_crop_process(img):
try:
img_cv = np.array(img.convert('L'))
img_blur = cv2.GaussianBlur(img_cv, (9, 9), 2)
circles = cv2.HoughCircles(img_blur, cv2.HOUGH_GRADIENT, dp=1, minDist=20,
param1=100, param2=40, minRadius=0, maxRadius=0)
if circles is not None:
circles = np.uint16(np.around(circles))
max_circle = max(circles[0, :], key=lambda x: x[2]) # Select the largest circle by radius
x, y, r = max_circle
left = max(x - r, 0)
right = min(x + r, img_cv.shape[1])
top = max(y - r, 0)
bottom = min(y + r, img_cv.shape[0])
# Load the original image in color
cropped_color_img = img.crop((left, top, right, bottom))
mask = np.zeros_like(cropped_color_img)
cv2.circle(mask, (r, r), r, (255, 255, 255), -1)
cropped_color_img_with_white_bg = np.where(mask == (255, 255, 255), cropped_color_img, (255, 255, 255))
final_img = Image.fromarray(np.uint8(cropped_color_img_with_white_bg))
return final_img
except Exception:
return img
class ImageRotatorApp(tk.Tk):
def __init__(self):
super().__init__()
self.title("旋转图像器 by 小锋学长生活大爆炸")
self.resizable(False, False)
width = 400
height = 600
self.geometry(f'{width}x{height}')
# 计算屏幕中心坐标
screen_width = self.winfo_screenwidth()
screen_height = self.winfo_screenheight()
x = (screen_width/2) - (width/2)
y = (screen_height/2) - (height/2)
# 设置窗口中心坐标
self.geometry('{}x{}+{}+{}'.format(width, height, int(x), int(y)))
# Initialize source and result directories
self.source_directory = 'images'
self.result_directory = 'result'
self.original_image = None
self.rotate_value = 0
# Frame for source directory selection and display
self.source_frame = tk.Frame(self)
self.source_frame.pack(fill='x')
self.select_source_button = tk.Button(self.source_frame, text="选择图像目录", command=self.select_source_directory)
self.select_source_button.pack(side='left', padx=10, pady=5)
self.source_directory_label = tk.Label(self.source_frame, text=self.source_directory)
self.source_directory_label.pack(side='left')
# Frame for result directory selection and display
self.result_frame = tk.Frame(self)
self.result_frame.pack(fill='x')
self.select_result_button = tk.Button(self.result_frame, text="选择保存目录", command=self.select_result_directory)
self.select_result_button.pack(side='left', padx=10, pady=5)
self.result_directory_label = tk.Label(self.result_frame, text=self.result_directory)
self.result_directory_label.pack(side='left')
# Image display frame
self.img_display = tk.Label(self, width=400, height=400)
self.img_display.pack(expand=True, fill='both')
# Slider for rotation
self.rotation_slider = tk.Scale(self, from_=0, to=360, length=400, orient="horizontal", command=self.rotate_image)
self.rotation_slider.pack(fill='x')
self.button_frame = tk.Frame(self)
self.button_frame.pack(side='bottom', fill='x')
self.prev_button = tk.Button(self.button_frame, text="上一张", command=self.load_prev_image)
self.prev_button.config(height=2, width=10)
self.prev_button.pack(expand=True, fill='x', side='left', padx=10, pady=5)
self.crop_button = tk.Button(self.button_frame, text="自动裁剪", command=self.crop_image)
self.crop_button.config(height=2, width=10) # Make the button larger
self.crop_button.pack(expand=True, fill='x', side='left', padx=10, pady=5)
# Button to save the image
self.save_button = tk.Button(self.button_frame, text="保存图片", command=self.save_image)
self.save_button.config(height=2, width=10) # Make the button larger
self.save_button.pack(expand=True, fill='x', side='left', padx=10, pady=5)
# Next image button
self.next_button = tk.Button(self.button_frame, text="下一张", command=self.load_next_image)
self.next_button.config(height=2, width=10) # Make the button larger
self.next_button.pack(expand=True, fill='x', side='left', padx=10, pady=5)
# 信息显示标签
self.info_label = tk.Label(self, text='')
self.info_label.config(height=1, width=400, anchor='w', wraplength=0)
self.info_label.pack(side='bottom', fill='x')
self.info_label.bind('<Double-Button-1>', self.copy_info_label)
# Update the display with the first image from the source directory
self.load_first_image_from_source()
def show_debug_msg(self, msg):
self.info_label.config(text=msg)
def copy_info_label(self, event):
pyperclip.copy(self.info_label['text'])
self.show_debug_msg(">> 双击成功，该内容已复制到剪切板 <<")
def select_source_directory(self):
directory = filedialog.askdirectory()
if directory: # Update the directory only if a choice was made
self.source_directory = directory
self.source_directory_label.config(text=self.source_directory)
self.load_first_image_from_source()
def select_result_directory(self):
directory = filedialog.askdirectory()
if directory: # Update the directory only if a choice was made
self.result_directory = directory
self.result_directory_label.config(text=self.result_directory)
def load_next_image(self):
if self.original_image:
img_files = [f for f in os.listdir(self.source_directory) if f.endswith(('.png', '.jpg', '.jpeg'))]
curr_idx = img_files.index(self.img_name)
next_idx = curr_idx + 1 if curr_idx < len(img_files) - 1 else 0
next_img_name = img_files[next_idx]
self.original_image = Image.open(os.path.join(self.source_directory, next_img_name))
self.show_debug_msg(f"当前图片[{next_idx+1}/{len(img_files)}]: {os.path.join(self.source_directory, next_img_name)}")
self.image = self.original_image
self.img_name = next_img_name
self.rotation_slider.set(0)
self.update_image_display()
def load_prev_image(self):
if self.original_image:
img_files = [f for f in os.listdir(self.source_directory) if f.endswith(('.png', '.jpg', '.jpeg'))]
curr_idx = img_files.index(self.img_name)
prev_idx = curr_idx - 1 if curr_idx > 0 else len(img_files) - 1
prev_img_name = img_files[prev_idx]
self.original_image = Image.open(os.path.join(self.source_directory, prev_img_name))
self.show_debug_msg(f"当前图片[{prev_idx+1}/{len(img_files)}]: {os.path.join(self.source_directory, prev_img_name)}")
self.image = self.original_image
self.img_name = prev_img_name
self.rotation_slider.set(0)
self.update_image_display()
def load_first_image_from_source(self):
try:
img_lists = [f for f in os.listdir(self.source_directory) if f.endswith(('.png', '.jpg', '.jpeg'))]
self.img_name = img_lists[0] if img_lists else None
if self.img_name:
self.original_image = Image.open(os.path.join(self.source_directory, self.img_name))
self.image = self.original_image
self.show_debug_msg(f"当前图片[{1}/{len(img_lists)}]: {os.path.join(self.source_directory, self.img_name)}")
else:
self.original_image = None
self.image = None
self.update_image_display()
except FileNotFoundError:
self.original_image = None
self.image = None
self.img_display.config(image='')
self.show_debug_msg(f"'{self.source_directory}'路径下没有图片.")
def rotate_image(self, value):
if self.original_image:
angle = int(value)
self.rotate_value = angle
self.image = self.original_image.rotate(-angle, resample=Image.Resampling.BILINEAR, fillcolor=(255, 255, 255))
self.update_image_display()
def crop_image(self):
if self.original_image:
self.original_image = img_crop_process(self.original_image)
self.rotation_slider.set(0)
self.update_image_display(self.original_image)
def update_image_display(self, src_img=None):
src_img = src_img or self.image
if src_img:
# 缩放图片
image_w, image_h = src_img.size
if image_w > 400 or image_h > 400:
src_img.thumbnail((400,400))
self.tk_image = ImageTk.PhotoImage(src_img)
self.img_display.config(image=self.tk_image)
else:
self.img_display.config(image='')
def save_image(self):
if self.image:
# Save the rotated image to the selected result directory
save_path = os.path.join(self.result_directory, self.img_name.split('.')[0] + f'_{self.rotate_value}.' + self.img_name.split('.')[1])
self.image.save(save_path)
self.show_debug_msg(f"图片保存成功: {save_path}")
else:
self.show_debug_msg("没有图片要保存.")
# Create the 'images' and 'result' directories if they don't exist
os.makedirs('images', exist_ok=True)
os.makedirs('result', exist_ok=True)
# Run the app
app = ImageRotatorApp()
app.mainloop()