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/* Copyright (C) 2005 The cairomm Development Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <cairomm/region.h>
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#include <cairomm/private.h>
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#include <algorithm>
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namespace Cairo
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{
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Region::Region()
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: m_cobject(cairo_region_create())
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{
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check_object_status_and_throw_exception (*this);
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}
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Region::Region(const RectangleInt& rectangle)
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: m_cobject(cairo_region_create_rectangle(&rectangle))
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{
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check_object_status_and_throw_exception (*this);
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}
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// less efficient but convenient
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Region::Region(const std::vector<RectangleInt>& rects) :
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m_cobject(nullptr)
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{
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auto *carray = new RectangleInt[rects.size()];
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std::copy(rects.begin(), rects.end(), carray);
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m_cobject = cairo_region_create_rectangles (carray, rects.size());
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delete[] carray;
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check_object_status_and_throw_exception (*this);
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}
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// less convenient but more efficient
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Region::Region(const RectangleInt *rects, int count) :
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m_cobject(cairo_region_create_rectangles (rects, count))
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{
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check_object_status_and_throw_exception (*this);
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}
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Region::Region(cairo_region_t* cobject, bool has_reference)
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: m_cobject(nullptr)
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{
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if(has_reference)
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m_cobject = cobject;
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else
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m_cobject = cairo_region_reference(cobject);
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check_object_status_and_throw_exception (*this);
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}
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RefPtr<Region> Region::create()
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{
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return RefPtr<Region>(new Region());
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}
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RefPtr<Region> Region::create(const RectangleInt& rectangle)
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{
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return RefPtr<Region>(new Region(rectangle));
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}
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RefPtr<Region> Region::create(const std::vector<RectangleInt>& rects)
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{
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return RefPtr<Region>(new Region(rects));
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}
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RefPtr<Region> Region::create(const RectangleInt *rects, int count)
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{
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return RefPtr<Region>(new Region(rects, count));
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}
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RefPtr<Region> Region::copy() const
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{
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return RefPtr<Region> (new Region (cairo_region_copy (m_cobject), true));
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}
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Region::~Region()
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{
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if(m_cobject)
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cairo_region_destroy(m_cobject);
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}
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void Region::reference() const
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{
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cairo_region_reference(m_cobject);
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}
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void Region::unreference() const
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{
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cairo_region_destroy(m_cobject);
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}
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RectangleInt Region::get_extents() const
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{
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RectangleInt result;
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cairo_region_get_extents(m_cobject, &result);
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return result;
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}
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int Region::get_num_rectangles() const
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{
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return cairo_region_num_rectangles(m_cobject);
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}
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RectangleInt Region::get_rectangle(int nth_rectangle) const
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{
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RectangleInt result;
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cairo_region_get_rectangle(m_cobject, nth_rectangle, &result);
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return result;
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}
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bool Region::empty() const
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{
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return cairo_region_is_empty(m_cobject);
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}
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RegionOverlap Region::contains_rectangle(const RectangleInt& rectangle) const
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{
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return (RegionOverlap)cairo_region_contains_rectangle(m_cobject, &rectangle);
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}
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bool Region::contains_point(int x, int y) const
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{
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return cairo_region_contains_point(m_cobject, x, y);
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}
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void Region::translate(int dx, int dy)
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{
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cairo_region_translate(m_cobject, dx, dy);
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}
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void Region::subtract(const RefPtr<Region>& other)
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{
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auto status = cairo_region_subtract(m_cobject, (other ? other->cobj() : 0));
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check_status_and_throw_exception (status);
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}
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void Region::subtract(const RectangleInt& rectangle)
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{
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auto status = cairo_region_subtract_rectangle(m_cobject, &rectangle);
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check_status_and_throw_exception (status);
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}
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void Region::intersect(const RefPtr<Region>& other)
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{
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auto status = cairo_region_intersect(m_cobject, (other ? other->cobj() : 0));
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check_status_and_throw_exception (status);
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}
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void Region::intersect(const RectangleInt& rectangle)
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{
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auto status = cairo_region_intersect_rectangle(m_cobject, &rectangle);
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check_status_and_throw_exception (status);
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}
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void Region::do_union(const RefPtr<Region>& other)
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{
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auto status = cairo_region_union(m_cobject, (other ? other->cobj() : 0));
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check_status_and_throw_exception (status);
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}
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void Region::do_union(const RectangleInt& rectangle)
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{
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auto status = cairo_region_union_rectangle(m_cobject, &rectangle);
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check_status_and_throw_exception (status);
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}
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void Region::do_xor(const RefPtr<Region>& other)
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{
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auto status = cairo_region_xor(m_cobject, (other ? other->cobj() : 0));
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check_status_and_throw_exception (status);
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}
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void Region::do_xor(const RectangleInt& rectangle)
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{
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auto status = cairo_region_xor_rectangle(m_cobject, &rectangle);
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check_status_and_throw_exception (status);
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}
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} //namespace Cairo
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// vim: ts=2 sw=2 et
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