mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2024-12-27 08:42:48 +01:00
122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include "pdfexception.h"
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#include "pdfjbig2decoder.h"
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#include <QFile>
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#include <QFileDialog>
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#include <QImageReader>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QPixmap>
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#include <QSettings>
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#include <QMessageBox>
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#include <QElapsedTimer>
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MainWindow::MainWindow(QWidget* parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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setWindowState(Qt::WindowMaximized);
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QSettings settings(QSettings::IniFormat, QSettings::UserScope, QCoreApplication::organizationName(), QCoreApplication::applicationName());
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m_directory = settings.value("Directory").toString();
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}
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MainWindow::~MainWindow()
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{
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QSettings settings(QSettings::IniFormat, QSettings::UserScope, QCoreApplication::organizationName(), QCoreApplication::applicationName());
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settings.setValue("Directory", m_directory);
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delete ui;
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}
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void MainWindow::reportRenderError(pdf::RenderErrorType type, QString message)
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{
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Q_UNUSED(type);
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QMessageBox::critical(this, tr("Error"), message);
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}
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void MainWindow::on_actionAddImage_triggered()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Open image"), m_directory, QString("Bitmap image (*.bmp)"));
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if (QFile::exists(fileName))
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{
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QImageReader reader(fileName);
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QImage image = reader.read();
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if (!image.isNull())
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{
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QFileInfo file(fileName);
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m_directory = file.filePath();
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addImage(file.fileName(), qMove(image));
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}
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}
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}
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void MainWindow::addImage(QString title, QImage image)
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{
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QGroupBox* groupBox = new QGroupBox(this);
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QHBoxLayout* layout = new QHBoxLayout(groupBox);
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groupBox->setTitle(title);
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QLabel* label = new QLabel(groupBox);
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layout->addWidget(label);
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label->setPixmap(QPixmap::fromImage(image));
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label->setFixedSize(image.size());
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ui->imagesMainLayout->addWidget(groupBox);
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}
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void MainWindow::on_actionClear_triggered()
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{
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for (int i = 0; i < ui->imagesMainLayout->count(); ++i)
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{
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ui->imagesMainLayout->itemAt(i)->widget()->deleteLater();
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}
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}
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void MainWindow::on_actionAdd_JBIG2_image_triggered()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Open image"), m_directory, QString("JBIG2 image (*.jb2)"));
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if (QFile::exists(fileName))
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{
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QFile file(fileName);
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if (file.open(QFile::ReadOnly))
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{
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m_directory = QFileInfo(file).filePath();
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QByteArray data = file.readAll();
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file.close();
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try
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{
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pdf::PDFJBIG2Decoder decoder(data, QByteArray(), this);
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QElapsedTimer timer;
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timer.start();
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pdf::PDFImageData imageData = decoder.decodeFileStream();
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qint64 time = timer.elapsed();
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if (imageData.isValid())
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{
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QImage image(imageData.getWidth(), imageData.getHeight(), QImage::Format_Mono);
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const uchar* sourceData = reinterpret_cast<const uchar*>(imageData.getData().constData());
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Q_ASSERT(imageData.getData().size() == image.byteCount());
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std::transform(sourceData, sourceData + imageData.getData().size(), image.bits(), [](const uchar value) { return value; });
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addImage(file.fileName() + QString(", Decoded in %1 [msec]").arg(time), qMove(image));
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}
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}
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catch (pdf::PDFException exception)
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{
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QMessageBox::critical(this, tr("Error"), exception.getMessage());
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}
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}
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}
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}
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void MainWindow::reportRenderErrorOnce(pdf::RenderErrorType type, QString message)
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{
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Q_UNUSED(type);
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QMessageBox::critical(this, tr("Error"), message);
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}
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