Python+PyQt5编写图片格式转换器

pip install Imagepip install PyQt5

#图片格式转换器
import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QWidget, QLabel, QVBoxLayout, QPushButton,QMessageBox, QFileDialog,QDesktopWidget
from PyQt5.QtGui import QIcon
from PIL import Image
 
class ImageConverter(QMainWindow):
    def __init__(self):
        super().__init__()
        self.initUI()
 
    def initUI(self):
        self.setWindowTitle('图片格式转换器')
        self.resize(500, 200)
        self.center()
 
        self.setWindowIcon(QIcon('icon.png'))
 
        self.input_label = QLabel('需要转换的图片:')
        self.output_label = QLabel('输出路径:')
 
        self.input_path_label = QLabel('')
        self.output_path_label = QLabel('')
 
        self.select_input_button = QPushButton('先择图片')
        self.select_output_button = QPushButton('先择输出路径')
        self.convert_button = QPushButton('开始转换')
 
        layout = QVBoxLayout()
        layout.addWidget(self.input_label)
        layout.addWidget(self.input_path_label)
        layout.addWidget(self.select_input_button)
        layout.addWidget(self.output_label)
        layout.addWidget(self.output_path_label)
        layout.addWidget(self.select_output_button)
        layout.addWidget(self.convert_button)
 
        widget = QWidget()
        widget.setLayout(layout)
        self.setCentralWidget(widget)
 
        self.select_input_button.clicked.connect(self.select_input_image)
        self.select_output_button.clicked.connect(self.select_output_path)
        self.convert_button.clicked.connect(self.convert_image)
 
        self.setStyleSheet('''
            QLabel {
                font-size: 16px;
                margin-bottom: 10px;
            }
            QPushButton {
                font-size: 16px;
                padding: 10px;
            }
        ''')
    def center(self):
        screen = QDesktopWidget().screenGeometry()
        size = self.geometry()
        # （屏幕的宽-窗口的宽）/2
        self.move(int((screen.width() - size.width()) / 2), int((screen.height() - size.height()) / 2))
 
    def select_input_image(self):
        file_dialog = QFileDialog()
        file_dialog.setNameFilter('Images (*.png *.jpg *.jpeg *.bmp *.gif)')
        file_dialog.setFileMode(QFileDialog.ExistingFile)
        if file_dialog.exec_():
            selected_files = file_dialog.selectedFiles()
            self.input_path_label.setText(selected_files[0])
 
    def select_output_path(self):
        file_dialog = QFileDialog()
        file_dialog.setAcceptMode(QFileDialog.AcceptSave)
        file_dialog.setDefaultSuffix('ico')
        if file_dialog.exec_():
            selected_files = file_dialog.selectedFiles()
            self.output_path_label.setText(selected_files[0])
     #这里是图片转换的部分，可以不加入PyQt5的模块，单独把下面的函数复制出去做修改也可以转换
    def convert_image(self): 
        input_path = self.input_path_label.text()  #这里是需要转换的图片的路径
        output_path = self.output_path_label.text()  #这里是转换好的图片输出路径
        if input_path and output_path:          #判断连个参数是否都存在
            image = Image.open(input_path)      #通过路径读取图片
             #保存到输出路径 ，并且格式为 “ICO”，大小为32X32
            image.save(output_path, format='ICO', sizes=[(32, 32)])
 
            self.input_path_label.setText('')
            self.output_path_label.setText('')
 
            self.show_message_dialog('Conversion Successful', 'Image converted to ICO format.')
 
    def show_message_dialog(self, title, message):
        msg_box = QMessageBox()
        msg_box.setWindowTitle(title)
        msg_box.setText(message)
        msg_box.exec_()
 
if __name__ == '__main__':
    app = QApplication(sys.argv)
    converter = ImageConverter()
    converter.show()
    sys.exit(app.exec_())