基于Qt4的pcd和txt文件转换软件

#include "transformerdialog.h" #include <QtGui> TransformerDialog::TransformerDialog(QWidget *parent) : QDialog(parent), extension(".pcd") { setupUi(this); connect(p2tRadioButton, SIGNAL(clicked()), this, SLOT(pcd2txtClicked())); connect(t2pRadioButton, SIGNAL(clicked()), this, SLOT(txt2pcdClicked())); connect(transPushButton, SIGNAL(clicked()), this, SLOT(filesTrans())); } TransformerDialog::~TransformerDialog() { } // 抓取释放事件 void TransformerDialog::dragEnterEvent(QDragEnterEvent *event) { // 释放输入输出文件容器 localFile.clear(); outputFileName.clear(); // 清空output pool tgtListWidget->clear(); if (event->mimeData()->hasUrls()) { event->acceptProposedAction(); } else { event->ignore(); } } // 释放事件 void TransformerDialog::dropEvent(QDropEvent *event) { QList<QUrl> urls = event->mimeData()->urls(); QString fileName = urls.first().toLocalFile(); if (urls.isEmpty() || fileName.isEmpty()) { event->ignore(); return; } else { event->acceptProposedAction(); foreach (QUrl url, urls) { // 将合法文件名导入localFile同时生成输出文件名 if (url.toLocalFile().contains(extension)) { localFile.push_back(url.toLocalFile()); QFileInfo tmp(url.path()); srsListWidget->addItem(tmp.fileName()); // pcd 2 txt OR txt 2 pcd if (extension == ".pcd") { outputFileName.push_back(tmp.fileName().replace("pcd", "txt")); } else { outputFileName.push_back(tmp.fileName().replace("txt", "pcd")); } } } fbTextBrowser->clear(); fbTextBrowser->insertPlainText(QString::number(localFile.size())+" file(s) added!\n"); } } void TransformerDialog::pcd2txtClicked() { extension = ".pcd"; } void TransformerDialog::txt2pcdClicked() { extension = ".txt"; } void TransformerDialog::filesTrans() { // 使widget上的button失效以防止误操作 transPushButton->setEnabled(false); p2tRadioButton->setEnabled(false); t2pRadioButton->setEnabled(false); // 转换进程 if (extension == ".pcd") { // pcd 2 txt for (int i = 0; i != outputFileName.size(); ++i) { QFile infile(localFile.at(i)); QFile outfile(outputFileName.at(i)); if (infile.open(QFile::ReadOnly) && outfile.open(QFile::WriteOnly)) { QTextStream in(&infile); QTextStream out(&outfile); int counter = 0; QString line; while (!in.atEnd()) { counter++; line = in.readLine(); // 11 行之后转换txt if (counter > 11) { out << line << endl; } } } infile.close(); outfile.close(); tgtListWidget->addItem(outputFileName.at(i)); } } else { // txt 2 pcd for (int i = 0; i != outputFileName.size(); ++i) { QFile infile(localFile.at(i)); QFile outfile(outputFileName.at(i)); QFile infiles(localFile.at(i)); int counter = 0; if (infile.open(QFile::ReadOnly) && outfile.open(QFile::WriteOnly) && infiles.open(QFile::ReadOnly)) { QTextStream in(&infile); QTextStream out(&outfile); QTextStream inr(&infiles); counter = 0; // 初始化（很重要） QString line; while (!in.atEnd()) { counter++; line = in.readLine(); } out << line1 << endl; out << line2 << endl; out << line3 << endl; out << line4 << endl; out << line5 << endl; out << line6 << endl; out << line7 << counter << endl; out << line8 << endl; out << line9 << endl; out << line10 << counter << endl; out << line11 << endl; while (!inr.atEnd()) { line = inr.readLine(); out << line << endl; } } infile.close(); outfile.close(); tgtListWidget->addItem(outputFileName.at(i)); } } fbTextBrowser->clear(); fbTextBrowser->insertPlainText(QString::number(outputFileName.size())+" file(s) transformed!\n"); // source pool 清空 srsListWidget->clear(); // 使widget上的button恢复功能 transPushButton->setEnabled(true); p2tRadioButton->setEnabled(true); t2pRadioButton->setEnabled(true); }