kicad/pcbnew/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 <reece@his.com>
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* Copyright (C) 1992-2020 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef PCB_ORIGIN_TRANSFORM_H_
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#define PCB_ORIGIN_TRANSFORM_H_
#include <origin_transforms.h>
class PCB_BASE_FRAME;
class PCB_ORIGIN_TRANSFORMS : public ORIGIN_TRANSFORMS
{
public:
PCB_ORIGIN_TRANSFORMS( PCB_BASE_FRAME& aPcbBaseFrame );
virtual ~PCB_ORIGIN_TRANSFORMS() override;
using ORIGIN_TRANSFORMS::ToDisplay;
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virtual long long int ToDisplay( long long int aValue, COORD_TYPES_T aCoordType ) const override;
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virtual double ToDisplay( double aValue, COORD_TYPES_T aCoordType ) const override;
using ORIGIN_TRANSFORMS::FromDisplay;
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virtual long long int FromDisplay( long long int aValue, COORD_TYPES_T aCoordType ) const override;
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virtual double FromDisplay( double aValue, COORD_TYPES_T aCoordType ) const override;
/**
* Transform a 2-D coordinate point referenced to the internal origin
* to the equivalent point referenced to the user-selected display origin.
*
* @param aValue a point referenced to the internal origin
* @returns the point re-referenced to the user-selected display origin
*/
/**
* Transform a 2-D coordinate point referenced to the user-selected
* display origin to the equivalent point referenced to the internal origin.
*
* @param aValue a point referenced to the user-selected display origin
* @returns the point re-referenced to the internal origin
*/
/**
* Transform a relative 2-D coordinate delta referenced to the user-selected
* display origin to the equivalent delta referenced to the internal origin.
*
* This is initially intended to handle axis inversion of a delta between
* two display points, but could be extended to handle other transforms.
*
* @param aValue a delta referenced to the internal origin
* @returns the delta re-referenced to the user-selected display origin
*/
/**
* Transform a relative 2-D coordinate delta referenced to the user-selected
* display origin to the equivalent delta referenced to the internal origin.
*
* This is initially intended to handle axis inversion of a delta between
* two display points, but could be extended to handle other transforms.
*
* @param aValue a delta referenced to the user-selected display origin
* @returns the delta re-referenced to the internal origin
*/
// =============== 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;
}
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protected:
int getUserXOrigin() const;
int getUserYOrigin() const;
bool invertXAxis() const;
bool invertYAxis() const;
protected:
const PCB_BASE_FRAME& m_pcbBaseFrame;
};
#endif // PCB_ORIGIN_TRANSFORMS_H_