/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */

/* libwpg

 * Version: MPL 2.0 / LGPLv2.1+

 *

 * 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/.

 *

 * Major Contributor(s):

 * Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)

 *

 * For minor contributions see the git repository.

 *

 * Alternatively, the contents of this file may be used under the terms

 * of the GNU Lesser General Public License Version 2.1 or later

 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are

 * applicable instead of those above.

 *

 * For further information visit http://libwpg.sourceforge.net

 */

/* "This product is not manufactured, approved, or supported by

 * Corel Corporation or Corel Corporation Limited."

 */

#include "WPGDashArray.h"

#include <vector>

namespace libwpg

{

class WPGDashArrayPrivate

{

public:

  WPGDashArrayPrivate() : dashes(), dots1(0), dots2(0),

    dots1len(0.0), dots2len(0.0), gap(0.0) {}

  void _recalculateDots();

  std::vector<double> dashes;

  int dots1;

  int dots2;

  double dots1len;

  double dots2len;

  double gap;

};

}

void libwpg::WPGDashArrayPrivate::_recalculateDots()

{

  dots1 = dots2 = 0,

  dots1len = dots2len = gap = 0.0;

  if (dashes.size() >= 2)

  {

    dots1len = dashes[0];

    gap = dashes[1];

  }

  auto count = unsigned(dashes.size() / 2);

  unsigned i = 0;

  for (; i < count;)

  {

    if (dots1len <= dashes[2*i] && dots1len >= dashes[2*i])

      dots1++;

    else

      break;

    gap = gap < dashes[2*i+1] ?  dashes[2*i+1] : gap;

    i++;

  }

  if (i < count)

  {

    dots2len = dashes[2*i];

    gap = gap < dashes[2*i+1] ? dashes[2*i+1] : gap;

  }

  for (; i < count;)

  {

    if (dots2len <= dashes[2*i] && dots2len >= dashes[2*i])

      dots2++;

    else

      break;

    gap = gap < dashes[2*i+1] ? dashes[2*i+1] : gap;

    i++;

  }

  if (!dots2)

  {

    dots2 = dots1;

    dots2len = dots1len;

  }

}

libwpg::WPGDashArray::WPGDashArray() : d(new libwpg::WPGDashArrayPrivate())

{

  d->_recalculateDots();

}

libwpg::WPGDashArray::~WPGDashArray()

{

}

libwpg::WPGDashArray::WPGDashArray(const libwpg::WPGDashArray &dash):

  d(new libwpg::WPGDashArrayPrivate())

{

  d->dashes = dash.d->dashes;

  d->_recalculateDots();

}

libwpg::WPGDashArray &libwpg::WPGDashArray::operator=(const libwpg::WPGDashArray &dash)

{

  if (this != &dash)

  {

    d->dashes = dash.d->dashes;

    d->_recalculateDots();

  }

  return *this;

}

int libwpg::WPGDashArray::getDots1() const

{

  return d->dots1;

}

double libwpg::WPGDashArray::getDots1Length() const

{

  return d->dots1len;

}

int libwpg::WPGDashArray::getDots2() const

{

  return d->dots2;

}

double libwpg::WPGDashArray::getDots2Length() const

{

  return d->dots2len;

}

double libwpg::WPGDashArray::getDistance() const

{

  return d->gap;

}

void libwpg::WPGDashArray::add(double p)

{

  d->dashes.push_back(p);

  d->_recalculateDots();

}

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