104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
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#pragma execution_character_set("utf-8")
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#include "frmbase64.h"
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#include "ui_frmbase64.h"
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#include "qfiledialog.h"
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#include "qbuffer.h"
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#include "qdebug.h"
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frmBase64::frmBase64(QWidget *parent) : QWidget(parent), ui(new Ui::frmBase64)
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{
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ui->setupUi(this);
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}
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frmBase64::~frmBase64()
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{
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delete ui;
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}
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QString frmBase64::getImageData(const QImage &image)
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{
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return QString(getImageData2(image));
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}
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QByteArray frmBase64::getImageData2(const QImage &image)
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{
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QByteArray imageData;
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QBuffer buffer(&imageData);
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image.save(&buffer, "JPG");
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imageData = imageData.toBase64();
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return imageData;
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}
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QImage frmBase64::getImage(const QString &data)
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{
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QByteArray imageData = QByteArray::fromBase64(data.toLatin1());
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QImage image;
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image.loadFromData(imageData);
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return image;
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}
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QString frmBase64::getBase64(const QString &data)
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{
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return QString(data.toLocal8Bit().toBase64());
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}
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QString frmBase64::getData(const QString &base64)
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{
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QByteArray data = QByteArray::fromBase64(base64.toLocal8Bit());
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return QString(data);
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}
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void frmBase64::on_btnOpen_clicked()
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{
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QString fileName = QFileDialog::getOpenFileName(this, "选择文件", "", "图片(*.png *.bmp *.jpg)");
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if (!fileName.isEmpty()) {
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ui->txtFile->setText(fileName);
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QPixmap pix(fileName);
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pix = pix.scaled(ui->labImage->size() - QSize(4, 4), Qt::KeepAspectRatio);
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ui->labImage->setPixmap(pix);
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}
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}
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void frmBase64::on_btnClear_clicked()
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{
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ui->txtFile->clear();
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ui->txtText->clear();
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ui->txtBase64->clear();
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ui->labImage->clear();
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}
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void frmBase64::on_btnImageToBase64_clicked()
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{
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QString fileName = ui->txtFile->text().trimmed();
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if (!fileName.isEmpty()) {
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ui->txtBase64->setText(getImageData(QImage(fileName)));
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}
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}
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void frmBase64::on_btnBase64ToImage_clicked()
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{
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QString text = ui->txtBase64->toPlainText().trimmed();
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if (!text.isEmpty()) {
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QPixmap pix = QPixmap::fromImage(getImage(text));
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pix = pix.scaled(ui->labImage->size() - QSize(4, 4), Qt::KeepAspectRatio);
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ui->labImage->setPixmap(pix);
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}
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}
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void frmBase64::on_btnTextToBase64_clicked()
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{
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QString text = ui->txtText->text().trimmed();
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if (!text.isEmpty()) {
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ui->txtBase64->setText(getBase64(text));
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}
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}
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void frmBase64::on_btnBase64ToText_clicked()
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{
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QString text = ui->txtBase64->toPlainText().trimmed();
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if (!text.isEmpty()) {
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ui->txtText->setText(getData(text));
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}
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}
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