BaseImageElement.h

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/*******************************************************************************************************
 ReadFramework is the basis for modules developed at CVL/TU Wien for the EU project READ. 
  
 Copyright (C) 2016 Markus Diem <diem@caa.tuwien.ac.at>
 Copyright (C) 2016 Stefan Fiel <fiel@caa.tuwien.ac.at>
 Copyright (C) 2016 Florian Kleber <kleber@caa.tuwien.ac.at>

 This file is part of ReadFramework.

 ReadFramework 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.

 ReadFramework 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/>.

 The READ project  has  received  funding  from  the European  Union’s  Horizon  2020  
 research  and innovation programme under grant agreement No 674943
 
 related links:
 [1] http://www.caa.tuwien.ac.at/cvl/
 [2] https://transkribus.eu/Transkribus/
 [3] https://github.com/TUWien/
 [4] http://nomacs.org
 *******************************************************************************************************/

#pragma once

#pragma warning(push, 0)    // no warnings from includes
#include <QObject>
#pragma warning(pop)

#ifndef DllCoreExport
#ifdef DLL_CORE_EXPORT
#define DllCoreExport Q_DECL_EXPORT
#else
#define DllCoreExport Q_DECL_IMPORT
#endif
#endif

// Qt defines

namespace rdf {

// read defines

class DllCoreExport BaseElement {

public:
    BaseElement(const QString& id = QString());

    DllCoreExport friend bool operator==(const BaseElement& l, const QString& id);
    DllCoreExport friend bool operator==(const BaseElement& l, const BaseElement& r);
    DllCoreExport friend bool operator!=(const BaseElement& l, const BaseElement& r);
    DllCoreExport friend QDataStream& operator<<(QDataStream& s, const BaseElement& e);
    DllCoreExport friend QDebug operator<< (QDebug d, const BaseElement &e);

    void setId(const QString& id);
    QString id() const;
    virtual QString toString() const;

    virtual void scale(double factor);

protected:
    QString mId;
};

}