/*******************************************************************************************************
 DkPageExtractionPlugin.h

 nomacs is a fast and small image viewer with the capability of synchronizing multiple instances

 Copyright (C) 2011-2015 Markus Diem <markus@nomacs.org>

 This file is part of nomacs.

 nomacs is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 nomacs 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.

 *******************************************************************************************************/

#pragma once

#include "DkPluginInterface.h"

namespace nmp
{

class DkPageExtractionPlugin : public QObject, nmc::DkBatchPluginInterface
{
    Q_OBJECT
    Q_INTERFACES(nmc::DkBatchPluginInterface)
    Q_PLUGIN_METADATA(IID "com.nomacs.ImageLounge.DkPageExtractionPlugin/3.2" FILE "DkPageExtractionPlugin.json")

public:
    DkPageExtractionPlugin(QObject *parent = 0);
    ~DkPageExtractionPlugin();

    QImage image() const;
    QString name() const;

    QList<QAction *> createActions(QWidget *parent) override;
    QList<QAction *> pluginActions() const override;
    QSharedPointer<nmc::DkImageContainer> runPlugin(const QString &runID,
                                                    QSharedPointer<nmc::DkImageContainer> image,
                                                    const nmc::DkSaveInfo &saveInfo,
                                                    QSharedPointer<nmc::DkBatchInfo> &batchInfo) const override;

    virtual void preLoadPlugin() const {}; // is called before batch processing
    virtual void postLoadPlugin(const QVector<QSharedPointer<nmc::DkBatchInfo>> &) const {}; // is called after batch processing

    enum {
        id_crop_to_page,
        id_crop_to_metadata,
        id_draw_to_page,
        // id_eval_page,
        //  add actions here

        id_end
    };

    enum MethodIndex {
        m_thresholds = 0,
        m_bhaskar,

        m_end
    };

    void loadSettings(QSettings &settings) override;
    void saveSettings(QSettings &settings) const override;

protected:
    QList<QAction *> mActions;
    QStringList mRunIDs;
    QStringList mMenuNames;
    QStringList mMenuStatusTips;
    QString mResultPath;

    MethodIndex mMethod = m_thresholds;

    QPolygonF readGT(const QString &imgPath) const;
    double jaccardIndex(const QSize &imgSize, const QPolygonF &gt, const QPolygonF &computed) const;
    QImage drawPoly(const QSize &imgSize, const QPolygonF &poly) const;
};

};
