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

124 lines
3.3 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 INKCOVERAGEDIALOG_H
#define INKCOVERAGEDIALOG_H
#include "pdfdocument.h"
#include "pdfdrawwidget.h"
#include "pdftransparencyrenderer.h"
#include <QDialog>
#include <QAbstractItemModel>
namespace Ui
{
class InkCoverageDialog;
}
namespace pdfplugin
{
class InkCoverageStatisticsModel;
using ChannelCoverageInfo = pdf::PDFInkCoverageCalculator::InkCoverageChannelInfo;
using CoverageInfo = std::vector<ChannelCoverageInfo>;
struct InkCoverageResults
{
std::vector<CoverageInfo> pageInfo;
CoverageInfo sumInfo;
};
class InkCoverageDialog : public QDialog
{
Q_OBJECT
private:
using BaseClass = QDialog;
public:
explicit InkCoverageDialog(const pdf::PDFDocument* document, pdf::PDFWidget* widget, QWidget* parent);
virtual ~InkCoverageDialog() override;
void updateInkCoverage();
virtual void closeEvent(QCloseEvent* event) override;
virtual void accept() override;
virtual void reject() override;
private:
Ui::InkCoverageDialog* ui;
static constexpr int RESOLUTION = 1920;
void onInkCoverageCalculated();
bool isInkCoverageCalculated() const;
pdf::PDFInkMapper m_inkMapper;
const pdf::PDFDocument* m_document;
pdf::PDFWidget* m_widget;
InkCoverageStatisticsModel* m_model;
QFuture<InkCoverageResults> m_future;
QFutureWatcher<InkCoverageResults>* m_futureWatcher;
};
class InkCoverageStatisticsModel : public QAbstractItemModel
{
Q_OBJECT
private:
using BaseClass = QAbstractItemModel;
public:
explicit InkCoverageStatisticsModel(QObject* parent);
enum EStandardColumn
{
StandardColumnPageIndex,
LastStandardColumn
};
enum EChannelColumn
{
ChannelColumnColorant,
ChannelColumnCoverageArea,
ChannelColumnCoverageRatio,
LastChannelColumn
};
virtual QModelIndex index(int row, int column, const QModelIndex& parent) const override;
virtual QModelIndex parent(const QModelIndex& child) const override;
virtual int rowCount(const QModelIndex& parent) const override;
virtual int columnCount(const QModelIndex& parent) const override;
virtual QVariant data(const QModelIndex& index, int role) const override;
virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
void setInkCoverageResults(InkCoverageResults inkCoverageResults);
int getChannelCount() const;
EChannelColumn getChannelColumn(int index) const;
int getChannelIndex(int index) const;
private:
InkCoverageResults m_inkCoverageResults;
};
} // namespace pdfplugin
#endif // INKCOVERAGEDIALOG_H