mirror of https://github.com/JakubMelka/PDF4QT.git
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
#include "pdfviewermainwindow.h"
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#include "ui_pdfviewermainwindow.h"
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#include "pdfdocumentreader.h"
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#include "pdfvisitor.h"
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#include "pdfstreamfilters.h"
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#include <QFileDialog>
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#include <QMessageBox>
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namespace pdfviewer
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{
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PDFViewerMainWindow::PDFViewerMainWindow(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::PDFViewerMainWindow)
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{
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ui->setupUi(this);
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connect(ui->actionOpen, &QAction::triggered, this, &PDFViewerMainWindow::onActionOpenTriggered);
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}
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PDFViewerMainWindow::~PDFViewerMainWindow()
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{
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delete ui;
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}
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void PDFViewerMainWindow::onActionOpenTriggered()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Select PDF document"), "K:/Programming/PDF/testpdf", tr("PDF document (*.pdf)"));
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if (!fileName.isEmpty())
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{
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pdf::PDFDocumentReader reader;
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pdf::PDFDocument document = reader.readFromFile(fileName);
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pdf::PDFStatisticsCollector collector;
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pdf::PDFApplyVisitor(document, &collector);
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if (reader.isSuccessfull())
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{
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QMessageBox::information(this, tr("PDF Reader"), tr("Document '%1' was successfully loaded!").arg(fileName));
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}
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else
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{
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QMessageBox::information(this, tr("PDF Reader"), tr("Document read error: %1").arg(reader.getErrorMessage()));
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}
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const pdf::PDFCatalog* catalog = document.getCatalog();
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const pdf::PDFPage* page = catalog->getPage(0);
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const pdf::PDFObject& contents = page->getContents();
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if (contents.isStream())
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{
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const pdf::PDFStream* stream = contents.getStream();
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const QByteArray* compressed = stream->getContent();
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pdf::PDFFlateDecodeFilter fd;
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QByteArray uncompressed = fd.apply(*compressed, &document, pdf::PDFObject());
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}
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}
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}
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} // namespace pdfviewer
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