98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
#pragma execution_character_set("utf-8")
|
|
|
|
#include "frmbase64.h"
|
|
#include "ui_frmbase64.h"
|
|
#include "base64.h"
|
|
#include "qfiledialog.h"
|
|
#include "qelapsedtimer.h"
|
|
#include "qdebug.h"
|
|
|
|
frmBase64::frmBase64(QWidget *parent) : QWidget(parent), ui(new Ui::frmBase64)
|
|
{
|
|
ui->setupUi(this);
|
|
}
|
|
|
|
frmBase64::~frmBase64()
|
|
{
|
|
delete ui;
|
|
}
|
|
|
|
void frmBase64::on_btnOpen_clicked()
|
|
{
|
|
QString fileName = QFileDialog::getOpenFileName(this, "选择文件", "", "图片(*.png *.bmp *.jpg)");
|
|
if (!fileName.isEmpty()) {
|
|
ui->txtFile->setText(fileName);
|
|
QPixmap pix(fileName);
|
|
pix = pix.scaled(ui->labImage->size() - QSize(4, 4), Qt::KeepAspectRatio);
|
|
ui->labImage->setPixmap(pix);
|
|
}
|
|
}
|
|
|
|
void frmBase64::on_btnClear_clicked()
|
|
{
|
|
ui->txtFile->clear();
|
|
ui->txtText->clear();
|
|
ui->txtBase64->clear();
|
|
ui->labImage->clear();
|
|
}
|
|
|
|
void frmBase64::on_btnImageToBase64_clicked()
|
|
{
|
|
//计时
|
|
QElapsedTimer time;
|
|
time.start();
|
|
|
|
QString fileName = ui->txtFile->text().trimmed();
|
|
if (!fileName.isEmpty()) {
|
|
ui->txtBase64->setText(Base64::imageToBase64(QImage(fileName)));
|
|
}
|
|
|
|
//统计用时
|
|
#if (QT_VERSION >= QT_VERSION_CHECK(4,8,0))
|
|
double elapsed = (double)time.nsecsElapsed() / 1000000;
|
|
#else
|
|
double elapsed = (double)time.elapsed();
|
|
#endif
|
|
QString strTime = QString::number(elapsed, 'f', 3);
|
|
qDebug() << QString("用时 %1 毫秒").arg(strTime);
|
|
}
|
|
|
|
void frmBase64::on_btnBase64ToImage_clicked()
|
|
{
|
|
//计时
|
|
QElapsedTimer time;
|
|
time.start();
|
|
|
|
QString text = ui->txtBase64->toPlainText().trimmed();
|
|
if (!text.isEmpty()) {
|
|
QPixmap pix = QPixmap::fromImage(Base64::base64ToImage(text));
|
|
pix = pix.scaled(ui->labImage->size() - QSize(4, 4), Qt::KeepAspectRatio);
|
|
ui->labImage->setPixmap(pix);
|
|
}
|
|
|
|
//统计用时
|
|
#if (QT_VERSION >= QT_VERSION_CHECK(4,8,0))
|
|
double elapsed = (double)time.nsecsElapsed() / 1000000;
|
|
#else
|
|
double elapsed = (double)time.elapsed();
|
|
#endif
|
|
QString strTime = QString::number(elapsed, 'f', 3);
|
|
qDebug() << QString("用时 %1 毫秒").arg(strTime);
|
|
}
|
|
|
|
void frmBase64::on_btnTextToBase64_clicked()
|
|
{
|
|
QString text = ui->txtText->text().trimmed();
|
|
if (!text.isEmpty()) {
|
|
ui->txtBase64->setText(Base64::textToBase64(text));
|
|
}
|
|
}
|
|
|
|
void frmBase64::on_btnBase64ToText_clicked()
|
|
{
|
|
QString text = ui->txtBase64->toPlainText().trimmed();
|
|
if (!text.isEmpty()) {
|
|
ui->txtText->setText(Base64::base64ToText(text));
|
|
}
|
|
}
|