Issue #159: Renaming applications

Pdf4QtLibGui/pdfcreatebitonaldocumentdialog.h

@@ -0,0 +1,115 @@
+//    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