/* Copyright (C) 2005 The cairomm Development Team

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 */

#include <cairomm/region.h>

#include <cairomm/private.h>

#include <algorithm>

namespace Cairo

{

Region::Region()

: m_cobject(cairo_region_create())

{

  check_object_status_and_throw_exception (*this);

}

Region::Region(const RectangleInt& rectangle)

: m_cobject(cairo_region_create_rectangle(&rectangle))

{

  check_object_status_and_throw_exception (*this);

}

// less efficient but convenient

Region::Region(const std::vector<RectangleInt>& rects) :

  m_cobject(nullptr)

{

  auto *carray = new RectangleInt[rects.size()];

  std::copy(rects.begin(), rects.end(), carray);

  m_cobject = cairo_region_create_rectangles (carray, rects.size());

  delete[] carray;

  check_object_status_and_throw_exception (*this);

}

// less convenient but more efficient

Region::Region(const RectangleInt *rects, int count) :

  m_cobject(cairo_region_create_rectangles (rects, count))

{

  check_object_status_and_throw_exception (*this);

}

Region::Region(cairo_region_t* cobject, bool has_reference)

: m_cobject(nullptr)

{

  if(has_reference)

    m_cobject = cobject;

  else

    m_cobject = cairo_region_reference(cobject);

  check_object_status_and_throw_exception (*this);

}

RefPtr<Region> Region::create()

{

  return RefPtr<Region>(new Region());

}

RefPtr<Region> Region::create(const RectangleInt& rectangle)

{

  return RefPtr<Region>(new Region(rectangle));

}

RefPtr<Region> Region::create(const std::vector<RectangleInt>& rects)

{

  return RefPtr<Region>(new Region(rects));

}

RefPtr<Region> Region::create(const RectangleInt *rects, int count)

{

  return RefPtr<Region>(new Region(rects, count));

}

RefPtr<Region> Region::copy() const

{

  return RefPtr<Region> (new Region (cairo_region_copy (m_cobject), true));

}

Region::~Region()

{

  if(m_cobject)

    cairo_region_destroy(m_cobject);

}

void Region::reference() const

{

 cairo_region_reference(m_cobject);

}

void Region::unreference() const

{

  cairo_region_destroy(m_cobject);

}

RectangleInt Region::get_extents() const

{

  RectangleInt result;

  cairo_region_get_extents(m_cobject, &result);

  return result;

}

int Region::get_num_rectangles() const

{

  return cairo_region_num_rectangles(m_cobject);

}

RectangleInt Region::get_rectangle(int nth_rectangle) const

{

  RectangleInt result;

  cairo_region_get_rectangle(m_cobject, nth_rectangle, &result);

  return result;

}

bool Region::empty() const

{

  return cairo_region_is_empty(m_cobject);

}

RegionOverlap Region::contains_rectangle(const RectangleInt& rectangle) const

{

  return (RegionOverlap)cairo_region_contains_rectangle(m_cobject, &rectangle);

}

bool Region::contains_point(int x, int y) const

{

  return cairo_region_contains_point(m_cobject, x, y);

}

void Region::translate(int dx, int dy)

{

  cairo_region_translate(m_cobject, dx, dy);

}

void Region::subtract(const RefPtr<Region>& other)

{

  auto status = cairo_region_subtract(m_cobject, (other ? other->cobj() : 0));

  check_status_and_throw_exception (status);

}

void Region::subtract(const RectangleInt& rectangle)

{

  auto status = cairo_region_subtract_rectangle(m_cobject, &rectangle);

  check_status_and_throw_exception (status);

}

void Region::intersect(const RefPtr<Region>& other)

{

  auto status = cairo_region_intersect(m_cobject, (other ? other->cobj() : 0));

  check_status_and_throw_exception (status);

}

void Region::intersect(const RectangleInt& rectangle)

{

  auto status = cairo_region_intersect_rectangle(m_cobject, &rectangle);

  check_status_and_throw_exception (status);

}

void Region::do_union(const RefPtr<Region>& other)

{

  auto status = cairo_region_union(m_cobject, (other ? other->cobj() : 0));

  check_status_and_throw_exception (status);

}

void Region::do_union(const RectangleInt& rectangle)

{

  auto status = cairo_region_union_rectangle(m_cobject, &rectangle);

  check_status_and_throw_exception (status);

}

void Region::do_xor(const RefPtr<Region>& other)

{

  auto status = cairo_region_xor(m_cobject, (other ? other->cobj() : 0));

  check_status_and_throw_exception (status);

}

void Region::do_xor(const RectangleInt& rectangle)

{

  auto status = cairo_region_xor_rectangle(m_cobject, &rectangle);

  check_status_and_throw_exception (status);

}

} //namespace Cairo

// vim: ts=2 sw=2 et