mirror of https://github.com/JakubMelka/PDF4QT.git
116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
// Copyright (C) 2023 Jakub Melka
|
|
//
|
|
// This file is part of PDF4QT.
|
|
//
|
|
// PDF4QT is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// with the written consent of the copyright owner, any later version.
|
|
//
|
|
// PDF4QT is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
#ifndef PDFCREATEBITONALDOCUMENTDIALOG_H
|
|
#define PDFCREATEBITONALDOCUMENTDIALOG_H
|
|
|
|
#include "pdfcms.h"
|
|
#include "pdfdocument.h"
|
|
#include "pdfobjectutils.h"
|
|
#include "pdfimage.h"
|
|
#include "pdfimageconversion.h"
|
|
#include "pdfprogress.h"
|
|
|
|
#include <QDialog>
|
|
#include <QFuture>
|
|
#include <QFutureWatcher>
|
|
|
|
namespace Ui
|
|
{
|
|
class PDFCreateBitonalDocumentDialog;
|
|
}
|
|
|
|
namespace pdfviewer
|
|
{
|
|
|
|
class PDFCreateBitonalDocumentPreviewWidget : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
PDFCreateBitonalDocumentPreviewWidget(QWidget* parent);
|
|
virtual ~PDFCreateBitonalDocumentPreviewWidget() override;
|
|
|
|
virtual void paintEvent(QPaintEvent* event) override;
|
|
|
|
void setCaption(QString caption);
|
|
void setImage(QImage image);
|
|
|
|
private:
|
|
QString m_caption;
|
|
QImage m_image;
|
|
};
|
|
|
|
class PDFCreateBitonalDocumentDialog : public QDialog
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
explicit PDFCreateBitonalDocumentDialog(const pdf::PDFDocument* document,
|
|
const pdf::PDFCMS* cms,
|
|
pdf::PDFProgress* progress,
|
|
QWidget* parent);
|
|
virtual ~PDFCreateBitonalDocumentDialog() override;
|
|
|
|
pdf::PDFDocument takeBitonaldDocument() { return qMove(m_bitonalDocument); }
|
|
|
|
struct ImageConversionInfo
|
|
{
|
|
pdf::PDFObjectReference imageReference;
|
|
bool conversionEnabled = true;
|
|
};
|
|
|
|
private:
|
|
void createBitonalDocument();
|
|
void onCreateBitonalDocumentButtonClicked();
|
|
void onPerformFinished();
|
|
void loadImages();
|
|
|
|
void updateUi();
|
|
void updatePreview();
|
|
|
|
std::optional<pdf::PDFImage> getImageFromReference(pdf::PDFObjectReference reference) const;
|
|
|
|
Ui::PDFCreateBitonalDocumentDialog* ui;
|
|
const pdf::PDFDocument* m_document;
|
|
const pdf::PDFCMS* m_cms;
|
|
QPushButton* m_createBitonalDocumentButton;
|
|
bool m_conversionInProgress;
|
|
bool m_processed;
|
|
QFuture<void> m_future;
|
|
std::optional<QFutureWatcher<void>> m_futureWatcher;
|
|
pdf::PDFDocument m_bitonalDocument;
|
|
pdf::PDFObjectClassifier m_classifier;
|
|
std::vector<pdf::PDFObjectReference> m_imageReferences;
|
|
std::vector<ImageConversionInfo> m_imagesToBeConverted;
|
|
|
|
QImage m_previewImageLeft;
|
|
QImage m_previewImageRight;
|
|
|
|
PDFCreateBitonalDocumentPreviewWidget* m_leftPreviewWidget;
|
|
PDFCreateBitonalDocumentPreviewWidget* m_rightPreviewWidget;
|
|
|
|
pdf::PDFProgress* m_progress;
|
|
|
|
pdf::PDFImageConversion::ConversionMethod m_conversionMethod = pdf::PDFImageConversion::ConversionMethod::Automatic;
|
|
int m_manualThreshold = 128;
|
|
};
|
|
|
|
} // namespace pdfviewer
|
|
|
|
#endif // PDFCREATEBITONALDOCUMENTDIALOG_H
|