automatic_fit.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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/>.
 */
 
#pragma once
 
#include <math/box2.h>
#include <math/vector2d.h>
 
#include <optional>
 
 
namespace KIGFX
{

class AUTOMATIC_FIT
{
public:
    void Record( const BOX2I& aBox, std::optional<double> aMarginScale, double aScale, const VECTOR2D& aCenter )
    {
        m_valid = true;
        m_box = aBox;
        m_marginScale = aMarginScale;
        m_scale = aScale;
        m_center = aCenter;
    }
 
    void Clear() { m_valid = false; }

    bool Holds( double aScale, const VECTOR2D& aCenter ) const
    {
        return m_valid && aScale == m_scale && aCenter == m_center;
    }
 
    const BOX2I& GetBox() const { return m_box; }
 
    std::optional<double> GetMarginScale() const { return m_marginScale; }
 
private:
    bool                  m_valid = false;
    BOX2I                 m_box;
    std::optional<double> m_marginScale;
    double                m_scale = 0.0;
    VECTOR2D              m_center;
};
 
} // namespace KIGFX