pcb_origin_transforms.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019-2020 Reece R. Pollack <[email protected]>
 * 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 2
 * 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 <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <origin_transforms.h>
 
class PCB_BASE_FRAME;
 
class PCB_ORIGIN_TRANSFORMS : public ORIGIN_TRANSFORMS
{
public:
    PCB_ORIGIN_TRANSFORMS( PCB_BASE_FRAME& aPcbBaseFrame );
 
    ~PCB_ORIGIN_TRANSFORMS() = default;
 
    using ORIGIN_TRANSFORMS::ToDisplay;
 
    virtual long long int ToDisplay( long long int aValue, COORD_TYPES_T aCoordType ) const override;
    virtual double ToDisplay( double aValue, COORD_TYPES_T aCoordType ) const override;
    virtual double ToDisplay( const EDA_ANGLE& aValue, COORD_TYPES_T aCoordType ) const override;
 
    using ORIGIN_TRANSFORMS::FromDisplay;
 
    virtual long long int FromDisplay( long long int aValue, COORD_TYPES_T aCoordType ) const override;
    virtual double FromDisplay( double aValue, COORD_TYPES_T aCoordType ) const override;
    virtual EDA_ANGLE FromDisplay( const EDA_ANGLE& aValue, COORD_TYPES_T aCoordType ) const override;
 
    // =============== Single-axis Relative Transforms ===============

    template<typename T>
    T ToDisplayRelX( T aInternalValue ) const
    {
        return ORIGIN_TRANSFORMS::ToDisplayRel( aInternalValue, invertXAxis() );
    }

    template<typename T>
    T ToDisplayRelY( T aInternalValue ) const
    {
        return ORIGIN_TRANSFORMS::ToDisplayRel( aInternalValue, invertYAxis() );
    }

    template<typename T>
    T FromDisplayRelX( T aDisplayValue ) const
    {
        return ORIGIN_TRANSFORMS::FromDisplayRel( aDisplayValue, invertXAxis() );
    }

    template<typename T>
    T FromDisplayRelY( T aDisplayValue ) const
    {
        return ORIGIN_TRANSFORMS::FromDisplayRel( aDisplayValue, invertYAxis() );
    }
 
 
    // =============== Single-axis Absolute Transforms ===============
 
    template<typename T>
    T ToDisplayAbsX( T aInternalValue ) const
    {
        return ORIGIN_TRANSFORMS::ToDisplayAbs( aInternalValue, getUserXOrigin(), invertXAxis() );
    }
 
    template<typename T>
    T ToDisplayAbsY( T aInternalValue ) const
    {
        return ORIGIN_TRANSFORMS::ToDisplayAbs( aInternalValue, getUserYOrigin(), invertYAxis() );
    }
 
    template<typename T>
    T FromDisplayAbsX( T aDisplayValue ) const
    {
        return ORIGIN_TRANSFORMS::FromDisplayAbs( aDisplayValue, getUserXOrigin(), invertXAxis() );
    }
 
    template<typename T>
    T FromDisplayAbsY( T aDisplayValue ) const
    {
        return ORIGIN_TRANSFORMS::FromDisplayAbs( aDisplayValue, getUserYOrigin(), invertYAxis() );
    }
 
 
    // =============== Two-axis Transforms ===============
 
    template<typename T>
    T ToDisplayAbs( T aInternalValue ) const
    {
        T displayValue;
 
        displayValue.x = ToDisplayAbsX( aInternalValue.x );
        displayValue.y = ToDisplayAbsY( aInternalValue.y );
 
        return displayValue;
    }
 
    template<typename T>
    T FromDisplayAbs( T aDisplayValue ) const
    {
        T internalValue;
 
        internalValue.x = FromDisplayAbsX( aDisplayValue.x );
        internalValue.y = FromDisplayAbsY( aDisplayValue.y );
 
        return internalValue;
    }
 
    template<typename T>
    T ToDisplayRel( T aInternalValue ) const
    {
        T displayValue;
 
        displayValue.x = ToDisplayRelX( aInternalValue.x );
        displayValue.y = ToDisplayRelY( aInternalValue.y );
 
        return displayValue;
    }
 
    template<typename T>
    T FromDisplayRel( T aDisplayValue ) const
    {
        T internalValue;
 
        internalValue.x = FromDisplayRelX( aDisplayValue.x );
        internalValue.y = FromDisplayRelY( aDisplayValue.y );
 
        return internalValue;
    }
 
protected:
    int getUserXOrigin() const;
    int getUserYOrigin() const;
 
    bool invertXAxis() const;
    bool invertYAxis() const;
 
protected:
    const PCB_BASE_FRAME& m_pcbBaseFrame;
};