/* 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