import os
import tkinter
import cv2
from PIL import Image, ImageTk
from tkinter import filedialog, Frame
import numpy as np
class Application(Frame):
def __init__(self, master=None):
self.camera_height = 300
self.camera_width = 500
self.Source_Img_Label = None
self.Source_Img = None
self.py_path = os.path.abspath(os.path.dirname(__file__))
Frame.__init__(self, master, bg='white')
self.pack(expand=tkinter.YES, fill=tkinter.BOTH)
self.window_init()
self.String_var = tkinter.StringVar()
self.createWidgets()
def window_init(self):
self.master.title('滤镜小程序')
self.master.configure(bg='white')
width, height = (self.camera_width, self.camera_height)
self.master.geometry("{}x{}".format(width, height))
def createWidgets(self):
# 左侧面板：操作按钮
self.fml = Frame(self, bg='white')
self.fml_top = Frame(self.fml, bg='white')
self.fml_buttons = Frame(self.fml, bg='white')
# 文件路径输入框
self.Img_Path_Text = tkinter.Entry(self.fml_top, textvariable=self.String_var, borderwidth=1, state=tkinter.DISABLED)
self.Img_Path_Text.pack(side='left', fill=tkinter.X, expand=True)
# 选择文件按钮
self.Img_Path_Button = tkinter.Button(self.fml_top, text='选择', command=self.AskPicture)
self.Img_Path_Button.pack(side='right', padx=5)
# 功能按钮
self.Outline_Button = tkinter.Button(self.fml_buttons, text='轮廓', command=self.outlinePicture)
self.Outline_Button.pack(side='left', padx=5, expand=True)
self.Sharpen_Button = tkinter.Button(self.fml_buttons, text='锐化', command=self.sharpenPicture)
self.Sharpen_Button.pack(side='left', padx=5, expand=True)
self.Emboss_Button = tkinter.Button(self.fml_buttons, text='浮雕', command=self.embossPicture)
self.Emboss_Button.pack(side='left', padx=5, expand=True)
self.fml_top.pack(side=tkinter.TOP, fill=tkinter.X)
self.fml_buttons.pack(side=tkinter.TOP, fill=tkinter.X)
self.fml.pack(side=tkinter.LEFT, fill=tkinter.Y)
# 右侧面板：图像显示区域
self.fm2 = Frame(self, bg='white')
self.Source_Img_Label = tkinter.Label(self.fm2, bg='white', image=None, width=200, height=200)
self.Source_Img_Label.image = None
# 使用 pack 方法并设置 pady 参数以实现垂直居中
self.Source_Img_Label.pack(side='top', pady=(self.camera_height - 200) // 2)
self.fm2.pack(side=tkinter.LEFT, fill=tkinter.BOTH, expand=True)
def CvtPIL(self, srcImg):
Rgb_Img = cv2.cvtColor(srcImg, cv2.COLOR_BGR2RGB) # 正确的颜色空间转换
Rgb_Img = Image.fromarray(Rgb_Img)
Rgb_Img = ImageTk.PhotoImage(Rgb_Img)
self.Source_Img_Label.configure(image=Rgb_Img)
self.Source_Img_Label.image = Rgb_Img
def AskPicture(self):
Picture_Path = filedialog.askopenfilename()
if not Picture_Path:
self.String_var.set('未选择文件')
return
self.String_var.set(Picture_Path)
self.Source_Img = cv2.imread(Picture_Path)
if self.Source_Img is None:
self.String_var.set('文件读取错误')
return
self.CvtPIL(self.Source_Img)
def outlinePicture(self):
if self.Source_Img is None:
self.String_var.set('文件选择错误')
return
kernel = np.array([[-1, -1, -1],
[-1, 8, -1],
[-1, -1, -1]], dtype="float32")
dstimg = cv2.filter2D(self.Source_Img, -1, kernel)
self.CvtPIL(dstimg)
def embossPicture(self):
if self.Source_Img is None:
self.String_var.set('文件选择错误')
return
kernel = np.array([[-2, -1, 0],
[-1, 1, 1],
[0, 1, 2]], dtype="float32")
dstimg = cv2.filter2D(self.Source_Img, -1, kernel)
self.CvtPIL(dstimg)
def sharpenPicture(self):
if self.Source_Img is None:
self.String_var.set('文件选择错误')
return
kernel = np.array([[-1, -1, -1],
[-1, 9, -1],
[-1, -1, -1]], dtype="float32")
dstimg = cv2.filter2D(self.Source_Img, -1, kernel)
self.CvtPIL(dstimg)
if __name__ == '__main__':
app = Application()
app.mainloop()
