/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* This file is part of the libpagemaker project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef LIBPAGEMAKER_UNITS_H
#define LIBPAGEMAKER_UNITS_H
#include <string>
// TODO: remove this pointless abstraction.
namespace libpagemaker
{
const unsigned SHAPE_UNITS_PER_INCH = 1440;
template <unsigned PER_INCH> class LengthUnit
{
typedef LengthUnit<PER_INCH> T;
public:
int m_value;
LengthUnit(int value) : m_value(value) { }
double toInches() const
{
return m_value / ((double)PER_INCH);
}
};
template<unsigned PER_INCH> const LengthUnit<PER_INCH>
operator+(LengthUnit<PER_INCH> left, LengthUnit<PER_INCH> right)
{
return LengthUnit<PER_INCH>(left.m_value + right.m_value);
}
template<unsigned PER_INCH> const LengthUnit<PER_INCH>
operator*(LengthUnit<PER_INCH> left, int right)
{
return LengthUnit<PER_INCH>(left.m_value * right);
}
template<unsigned PER_INCH> const LengthUnit<PER_INCH>
operator*(int left, LengthUnit<PER_INCH> right)
{
return right * left;
}
template<unsigned PER_INCH> const LengthUnit<PER_INCH>
operator-(LengthUnit<PER_INCH> left, LengthUnit<PER_INCH> right)
{
return LengthUnit<PER_INCH>(left.m_value - right.m_value);
}
typedef LengthUnit<SHAPE_UNITS_PER_INCH> PMDShapeUnit;
}
#endif /* LIBPAGEMAKER_UNITS_H */
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