PDF4QT/Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewdialog.h
2021-09-27 11:14:20 +02:00

98 lines
3.0 KiB
C++

// Copyright (C) 2021 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 OUTPUTPREVIEWDIALOG_H
#define OUTPUTPREVIEWDIALOG_H
#include "pdfdocument.h"
#include "pdfdrawwidget.h"
#include "pdftransparencyrenderer.h"
#include "outputpreviewwidget.h"
#include <QDialog>
#include <QFuture>
#include <QFutureWatcher>
namespace Ui
{
class OutputPreviewDialog;
}
namespace pdfplugin
{
class OutputPreviewDialog : public QDialog
{
Q_OBJECT
public:
explicit OutputPreviewDialog(const pdf::PDFDocument* document, pdf::PDFWidget* widget, QWidget* parent);
virtual ~OutputPreviewDialog() override;
virtual void resizeEvent(QResizeEvent* event) override;
virtual void closeEvent(QCloseEvent* event) override;
virtual void showEvent(QShowEvent* event) override;
virtual void accept() override;
virtual void reject() override;
private:
void updateInks();
void updatePaperColorWidgets();
void updateAlarmColorButtonIcon();
void onPaperColorChanged();
void onAlarmColorButtonClicked();
void onSimulateSeparationsChecked(bool checked);
void onSimulatePaperColorChecked(bool checked);
void onDisplayModeChanged();
void onInksChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector<int>& roles);
void onInkCoverageLimitChanged(double value);
void onRichBlackLimtiChanged(double value);
struct RenderedImage
{
QImage image;
pdf::PDFFloatBitmapWithColorSpace originalProcessImage;
QSizeF pageSize;
QList<pdf::PDFRenderError> errors;
};
void updatePageImage();
void onPageImageRendered();
RenderedImage renderPage(const pdf::PDFPage* page,
QSize renderSize,
pdf::PDFRGB paperColor,
uint32_t activeColorMask,
pdf::PDFTransparencyRendererSettings::Flags additionalFlags);
bool isRenderingDone() const;
Ui::OutputPreviewDialog* ui;
pdf::PDFInkMapper m_inkMapper;
pdf::PDFInkMapper m_inkMapperForRendering;
const pdf::PDFDocument* m_document;
pdf::PDFWidget* m_widget;
bool m_needUpdateImage;
QFuture<RenderedImage> m_future;
QFutureWatcher<RenderedImage>* m_futureWatcher;
};
} // namespace pdf
#endif // OUTPUTPREVIEWDIALOG_H