atkinspagelayouttree.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2007-02-13
 * Description : Layouting photos on a page
 *
 * Copyright (C) 2007-2009 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 * Copyright (C) 2006-2022 by Gilles Caulier <caulier dot gilles at gmail dot 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 2, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_ATKINS_PAGE_LAYOUT_TREE_H
#define DIGIKAM_ATKINS_PAGE_LAYOUT_TREE_H
 
// Qt includes
 
#include <QRectF>
#include <QMap>
 
namespace DigikamGenericPrintCreatorPlugin
{
 
class AtkinsPageLayoutNode;
 
class AtkinsPageLayoutTree
{
public:
 
    AtkinsPageLayoutTree(double aspectRatioPage,
                         double absoluteAreaPage);
    AtkinsPageLayoutTree(const AtkinsPageLayoutTree&);
    ~AtkinsPageLayoutTree();
 
    AtkinsPageLayoutTree& operator=(const AtkinsPageLayoutTree& other);
 
    int    addImage(double aspectRatio,
                    double relativeArea);
    QRectF drawingArea(int index,
                       const QRectF& absoluteRectPage);
 
    int    count() const;
    double score(AtkinsPageLayoutNode* const root,
                 int nodeCount);
    double G() const;
 
private:
 
    double absoluteArea(AtkinsPageLayoutNode* const node);
 
    QRectF rectInRect(const QRectF& rect,
                      double aspectRatio,
                      double absoluteArea);
 
private:
 
    AtkinsPageLayoutNode* m_root;
    int                   m_count;
 
    double                m_aspectRatioPage;
    double                m_absoluteAreaPage;
};
 
} // Namespace Digikam
 
#endif // DIGIKAM_ATKINS_PAGE_LAYOUT_TREE_H