/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C)  Joseph Artsimovich <joseph.artsimovich@gmail.com>

    This program 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.

    This program 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/>.
*/

#ifndef DESKEW_TASK_H_
#define DESKEW_TASK_H_

#include "NonCopyable.h"
#include "RefCountable.h"
#include "FilterResult.h"
#include "PageId.h"
#include <memory>

class TaskStatus;
class FilterData;
class QImage;
class QSize;
class Dpi;
class DebugImages;

namespace imageproc
{
class BinaryImage;
};

namespace select_content
{
class Task;
}

namespace deskew
{

class Filter;
class Settings;

class Task : public RefCountable
{
    DECLARE_NON_COPYABLE(Task)
public:
    Task(IntrusivePtr<Filter> const& filter,
         IntrusivePtr<Settings> const& settings,
         IntrusivePtr<select_content::Task> const& next_task,
         PageId const& page_id, bool batch_processing, bool debug);

    virtual ~Task();

    FilterResultPtr process(
        TaskStatus const& status, FilterData const& data);
private:
    class UiUpdater;

    static void cleanup(
        TaskStatus const& status,
        imageproc::BinaryImage& img, Dpi const& dpi);

    static int from150dpi(int size, int target_dpi);

    static QSize from150dpi(QSize const& size, Dpi const& target_dpi);

    IntrusivePtr<Filter> m_ptrFilter;
    IntrusivePtr<Settings> m_ptrSettings;
    IntrusivePtr<select_content::Task> m_ptrNextTask;
    std::unique_ptr<DebugImages> m_ptrDbg;
    PageId m_pageId;
    bool m_batchProcessing;
};

} // namespace deskew

#endif
