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| import sys import os from PyQt5.QtWidgets import QWidget, QApplication, QGroupBox, QPushButton, QLabel, QHBoxLayout, QVBoxLayout, QGridLayout, QFormLayout, QLineEdit, QTextEdit, QInputDialog, QFileDialog, QMessageBox, QDesktopWidget from PyQt5.QtGui import QIntValidator, QDoubleValidator, QRegExpValidator, QTextCursor, QIcon, QPixmap from PyQt5.QtCore import QRegExp from PIL import Image
class ImgCut(QWidget):
def __init__(self): super(ImgCut, self).__init__()
self.file_label = QLabel('选择图片:') self.file_text = QLineEdit() self.file_text.setDisabled(True) self.file_btn = QPushButton('选择文件…')
self.head_label = QLabel('切除头部:') self.head_text = QLineEdit() self.head_text.setPlaceholderText('要丢弃的顶部高度') self.head_text.setValidator(QIntValidator(0, 500))
self.foot_label = QLabel('切除底部:') self.foot_text = QLineEdit() self.foot_text.setPlaceholderText('要丢弃的底部高度') self.foot_text.setValidator(QIntValidator(0, 500)) self.nums_label = QLabel('切割份数:') self.nums_text = QLineEdit() self.nums_text.setPlaceholderText('要剪切的份数') self.nums_text.setValidator(QIntValidator(2, 50)) self.pre_label = QLabel('图片前缀:') self.pre_text = QLineEdit() self.pre_text.setPlaceholderText('要保存的图片名前缀') reg = QRegExp('[a-zA-Z0-9]{1,15}$') pValidator = QRegExpValidator(self) pValidator.setRegExp(reg) self.pre_text.setValidator(pValidator) self.forder_label = QLabel('存储位置:') self.forder_text = QLineEdit() self.forder_text.setDisabled(True) self.forder_btn = QPushButton('选择存储位置…')
self.submit_btn = QPushButton('开始切割') self.submit_btn.setStyleSheet("QPushButton{padding:20px 4px}")
self.img_label = QLabel()
self.copy_btn = QPushButton('复制代码') self.copy_btn.setStyleSheet("QPushButton{padding:20px 4px}") self.res_teatarea = QTextEdit()
self.initUi()
def initUi(self): self.createGridGroupBox() self.creatVboxGroupBox() self.creatFormGroupBox() mainLayout = QVBoxLayout() hboxLayout = QHBoxLayout() hboxLayout.addWidget(self.gridGroupBox) hboxLayout.addWidget(self.vboxGroupBox) mainLayout.addLayout(hboxLayout) mainLayout.addWidget(self.formGroupBox) self.setLayout(mainLayout)
def createGridGroupBox(self): self.gridGroupBox = QGroupBox("基本参数") layout = QGridLayout()
self.file_btn.clicked.connect(self.selectImg) self.forder_btn.clicked.connect(self.savePath) self.submit_btn.clicked.connect(self.submit) layout.setSpacing(10) layout.addWidget(self.file_label, 1, 0) layout.addWidget(self.file_text, 1, 1) layout.addWidget(self.file_btn, 1, 2) layout.addWidget(self.head_label, 2, 0) layout.addWidget(self.head_text, 2, 1, 1, 2) layout.addWidget(self.foot_label, 3, 0) layout.addWidget(self.foot_text, 3, 1, 1, 2) layout.addWidget(self.nums_label, 4, 0) layout.addWidget(self.nums_text, 4, 1, 1, 2) layout.addWidget(self.pre_label, 5, 0) layout.addWidget(self.pre_text, 5, 1, 1, 2) layout.addWidget(self.forder_label, 6, 0) layout.addWidget(self.forder_text, 6, 1) layout.addWidget(self.forder_btn, 6, 2) layout.addWidget(self.submit_btn, 7, 0, 1, 3) layout.setColumnStretch(1, 10) self.gridGroupBox.setLayout(layout) self.setWindowTitle('图片切割') self.setWindowIcon(QIcon(r'E:\site\python\cutimg\favicon.ico'))
def creatVboxGroupBox(self): self.vboxGroupBox = QGroupBox("图片预览") layout = QVBoxLayout() pixmap = QPixmap(r"E:\site\python\cutimg\default.jpg").scaled(300, 300) self.img_label.setPixmap(pixmap) layout.addWidget(self.img_label) self.vboxGroupBox.setLayout(layout)
def creatFormGroupBox(self): self.formGroupBox = QGroupBox("代码生成") layout = QGridLayout()
layout.addWidget(self.res_teatarea, 1, 0) layout.addWidget(self.copy_btn, 2, 0) self.copy_btn.clicked.connect(self.copyText)
self.formGroupBox.setLayout(layout)
def showMsg(self, tit, content, icon=3): box = QMessageBox(QMessageBox.Question, tit, content) box.setWindowIcon(QIcon(r'E:\site\python\cutimg\favicon.ico'))
yes = box.addButton('确定', QMessageBox.YesRole) box.setIcon(icon) box.exec()
def selectImg(self): imgName, imgType = QFileDialog.getOpenFileName(self, "请选择您要切割的图片", "", "*.jpg;;*.png;;All Files(*)")
if os.path.exists(imgName): self.file_text.setText(imgName) pixmap = QPixmap(imgName).scaled(300, 300) self.img_label.setPixmap(pixmap) else: self.showMsg('错误', '您选择的文件不存在,请重新选择!')
def savePath(self): path = QFileDialog.getExistingDirectory(self, "请选择您要保存的位置") if os.path.exists(path): self.forder_text.setText(path) else: self.showMsg('错误', '您选择的保存路径不存在,请重新选择!')
def submit(self): if not self.file_text.text(): self.showMsg('错误', '您还没有上传文件') return False if not self.forder_text.text(): self.showMsg('错误', '您还没有选择保存目录') return False nums = self.nums_text.text() if nums: file = self.file_text.text() head = int(self.head_text.text()) if self.head_text.text() else 0 foot = int(self.foot_text.text()) if self.foot_text.text() else 0 pre = self.pre_text.text() + '_' if self.pre_text.text() else 'image_' forder = self.forder_text.text() self.cutImg(file, head, foot, pre, forder, int(nums)) else: self.showMsg('错误', '必须填写要切割的份数')
def copyText(self): data = self.res_teatarea.toPlainText() if data: clipboard = QApplication.clipboard() clipboard.setText(data) self.showMsg('信息', '内容以成功复制到剪贴板', 1) else: self.showMsg('错误', '代码为空,没有代码可以复制')
def cutImg(self, file, head, foot, pre, forder, nums): img = Image.open(file) width, height = img.size item_height = (height - head - foot) / nums for i in range(nums): croped = img.crop((0, (head + i * item_height), width, (i + 1) * item_height + head)) i += 1 if i < 10: i = '0{}'.format(i) imgName = '{}{}.jpg'.format(pre, i) self.res_teatarea.moveCursor(QTextCursor.End) shtml = '<img src="{}" />\n'.format(imgName) self.res_teatarea.insertPlainText(shtml) files = os.path.join(forder, imgName) croped.save(files) self.showMsg('成功', '图片切割完成,请到目标文件夹查看吧', 1)
if __name__ == '__main__': app = QApplication(sys.argv) ex = ImgCut() ex.show() sys.exit(app.exec_())
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