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import tkinter as tk
from tkinter import filedialog, messagebox
from tkinter import Toplevel
from PIL import Image, ImageTk
import numpy as np
import cv2
import os
# 全局变量初始化
img_path = "" # 用于存储图像路径
src = None # 用于存储已选择的图像
img_label = None # 用于存储显示选择的图片的标签
edge = None # 用于存储处理后的图像以便保存
# 用于存储不同窗口的全局变量
CorrodeWin = None
DilaWin = None
OpenWin = None
CloseWin = None
def select_image(root):
"""
选择并显示图像
"""
global img_path, src, img_label
# 打开文件选择对话框
img_path = filedialog.askopenfilename(filetypes=[("Image files", "*.jpg;*.png;*.jpeg;*.bmp")])
if img_path:
# 确保路径中的反斜杠正确处理,并使用 UTF-8 编码处理中文路径
img_path_fixed = os.path.normpath(img_path)
# 读取图像并进行颜色空间转换
src_temp = cv2.imdecode(np.fromfile(img_path_fixed, dtype=np.uint8), cv2.IMREAD_UNCHANGED)
if src_temp is None:
messagebox.showerror("错误", "无法读取图片,请选择有效的图片路径")
return
src = cv2.cvtColor(src_temp, cv2.COLOR_BGR2RGB)
# 显示图像
if img_label is None or not img_label.winfo_exists():
img_label = tk.Label(root)
img_label.pack(side=tk.TOP, pady=10)
img = Image.open(img_path)
img.thumbnail((160, 160))
img_tk = ImageTk.PhotoImage(img)
img_label.configure(image=img_tk)
img_label.image = img_tk
else:
messagebox.showerror("错误", "没有选择图片路径")
def changeSize(event, img, LabelPic):
"""
根据窗口大小调整图像大小
"""
img_aspect = img.shape[1] / img.shape[0]
new_aspect = event.width / event.height
if new_aspect > img_aspect:
new_width = int(event.height * img_aspect)
new_height = event.height
else:
new_width = event.width
new_height = int(event.width / img_aspect)
resized_image = cv2.resize(img, (new_width, new_height))
image1 = ImageTk.PhotoImage(Image.fromarray(resized_image))
LabelPic.image = image1
LabelPic['image'] = image1
def savefile():
"""
保存处理后的图像
"""
global edge
filename = filedialog.asksaveasfilename(defaultextension=".jpg", filetypes=[("JPEG files", "*.jpg"), ("PNG files", "*.png"), ("BMP files", "*.bmp")])
if not filename:
return
if edge is not None:
try:
edge.save(filename)
messagebox.showinfo("保存成功", "图片保存成功!")
except Exception as e:
messagebox.showerror("保存失败", f"无法保存图片: {e}")
else:
messagebox.showerror("保存失败", "没有图像可保存")
# 腐蚀
def corrode(root):
"""
腐蚀操作
"""
global src, CorrodeWin, edge
# 判断是否已经选取图片
if src is None:
messagebox.showerror("错误", "没有选择图片!")
return
# 定义结构元素(该处使用矩形3*3结构)
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (3, 3), anchor=None)
# 腐蚀图像
eroded = cv2.erode(src, kernel)
# 更新 edge 变量
edge = Image.fromarray(eroded)
# 创建 Toplevel 窗口
try:
CorrodeWin.destroy()
except Exception:
print("NVM")
finally:
CorrodeWin = Toplevel(root)
CorrodeWin.attributes('-topmost', True)
CorrodeWin.geometry("360x300")
CorrodeWin.resizable(True, True) # 可缩放
CorrodeWin.title("腐蚀结果")
# 显示图像
LabelPic = tk.Label(CorrodeWin, text="IMG", width=360, height=240)
image = ImageTk.PhotoImage(Image.fromarray(eroded))
LabelPic.image = image
LabelPic['image'] = image
LabelPic.bind('<Configure>', lambda event: changeSize(event, eroded, LabelPic))
LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
# 添加保存按钮
btn_save = tk.Button(CorrodeWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
btn_save.pack(pady=10)
return
# 膨胀
def dilatation(root):
"""
膨胀操作
"""
global src, DilaWin, edge
# 判断是否已经选取图片
if src is None:
messagebox.showerror("错误", "没有选择图片!")
return
# 定义结构元素(该处使用矩形3*3结构)
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (3, 3), anchor=None)
# 膨胀图像
dilated = cv2.dilate(src, kernel)
# 更新 edge 变量
edge = Image.fromarray(dilated)
# 创建 Toplevel 窗口
try:
DilaWin.destroy()
except Exception:
print("NVM")
finally:
DilaWin = Toplevel(root)
DilaWin.attributes('-topmost', True)
DilaWin.geometry("360x300")
DilaWin.resizable(True, True) # 可缩放
DilaWin.title("膨胀结果")
# 显示图像
LabelPic = tk.Label(DilaWin, text="IMG", width=360, height=240)
image = ImageTk.PhotoImage(Image.fromarray(dilated))
LabelPic.image = image
LabelPic['image'] = image
LabelPic.bind('<Configure>', lambda event: changeSize(event, dilated, LabelPic))
LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
# 添加保存按钮
btn_save = tk.Button(DilaWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
btn_save.pack(pady=10)
return
# 开运算
def open_op(root):
"""
开运算操作
"""
global src, OpenWin, edge
# 判断是否已经选取图片
if src is None:
messagebox.showerror("错误", "没有选择图片!")
return
# 交叉结构元
kernel = cv2.getStructuringElement(cv2.MORPH_CROSS, (5, 5))
# 进行开运算
open_result = cv2.morphologyEx(src, cv2.MORPH_OPEN, kernel)
# 更新 edge 变量
edge = Image.fromarray(open_result)
# 创建 Toplevel 窗口
try:
OpenWin.destroy()
except Exception:
print("NVM")
finally:
OpenWin = Toplevel(root)
OpenWin.attributes('-topmost', True)
OpenWin.geometry("360x300")
OpenWin.resizable(True, True) # 可缩放
OpenWin.title("开运算结果")
# 显示图像
LabelPic = tk.Label(OpenWin, text="IMG", width=360, height=240)
image = ImageTk.PhotoImage(Image.fromarray(open_result))
LabelPic.image = image
LabelPic['image'] = image
LabelPic.bind('<Configure>', lambda event: changeSize(event, open_result, LabelPic))
LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
# 添加保存按钮
btn_save = tk.Button(OpenWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
btn_save.pack(pady=10)
return
# 闭运算
def close_op(root):
"""
闭运算操作
"""
global src, CloseWin, edge
# 判断是否已经选取图片
if src is None:
messagebox.showerror("错误", "没有选择图片!")
return
# 交叉结构元
kernel = cv2.getStructuringElement(cv2.MORPH_CROSS, (10, 10))
# 进行闭运算
close_result = cv2.morphologyEx(src, cv2.MORPH_CLOSE, kernel)
# 更新 edge 变量
edge = Image.fromarray(close_result)
# 创建 Toplevel 窗口
try:
CloseWin.destroy()
except Exception:
print("NVM")
finally:
CloseWin = Toplevel(root)
CloseWin.attributes('-topmost', True)
CloseWin.geometry("360x300")
CloseWin.resizable(True, True) # 可缩放
CloseWin.title("闭运算结果")
# 显示图像
LabelPic = tk.Label(CloseWin, text="IMG", width=360, height=240)
image = ImageTk.PhotoImage(Image.fromarray(close_result))
LabelPic.image = image
LabelPic['image'] = image
LabelPic.bind('<Configure>', lambda event: changeSize(event, close_result, LabelPic))
LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
# 添加保存按钮
btn_save = tk.Button(CloseWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
btn_save.pack(pady=10)
return
# 边缘检测
def edge_detection(root):
"""
边缘检测操作
"""
global src, EdgeWin, edge
# 判断是否已经选取图片
if src is None:
messagebox.showerror("错误", "没有选择图片!")
return
# 使用 Sobel 算子进行边缘检测
sobelx = cv2.Sobel(cv2.cvtColor(src, cv2.COLOR_RGB2GRAY), cv2.CV_64F, 1, 0, ksize=5)
sobely = cv2.Sobel(cv2.cvtColor(src, cv2.COLOR_RGB2GRAY), cv2.CV_64F, 0, 1, ksize=5)
abs_sobelx = np.absolute(sobelx)
abs_sobely = np.absolute(sobely)
sobel_combined = cv2.bitwise_or(np.uint8(abs_sobelx), np.uint8(abs_sobely))
sobel_combined = cv2.cvtColor(sobel_combined, cv2.COLOR_GRAY2RGB)
# 更新 edge 变量
edge = Image.fromarray(sobel_combined)
# 创建 Toplevel 窗口
try:
EdgeWin.destroy()
except Exception:
print("NVM")
finally:
EdgeWin = Toplevel(root)
EdgeWin.attributes('-topmost', True)
EdgeWin.geometry("360x300")
EdgeWin.resizable(True, True) # 可缩放
EdgeWin.title("边缘检测结果")
# 显示图像
LabelPic = tk.Label(EdgeWin, text="IMG", width=360, height=240)
image = ImageTk.PhotoImage(Image.fromarray(sobel_combined))
LabelPic.image = image
LabelPic['image'] = image
LabelPic.bind('<Configure>', lambda event: changeSize(event, sobel_combined, LabelPic))
LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
# 添加保存按钮
btn_save = tk.Button(EdgeWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
btn_save.pack(pady=10)
return