Ichthyostega
d0b59a1c52
...which avoids the possible ambiguity with the global util namespace Moreover, this name seems more adequate to what we're doing here anyway
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/*
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Rectangle - utility functions for GDK rectangles
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Copyright (C) Lumiera.org
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2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file rectangle.cpp
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** Implementation of functions to work with rectangular screen ranges
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*/
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#include "gui/draw/rectangle.hpp"
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#include <algorithm>
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using std::max;
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using std::min;
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namespace gui {
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namespace draw{
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bool
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pt_in_rect(const Gdk::Point &point, const Gdk::Rectangle &rect)
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{
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return (point.get_x() >= rect.get_x() &&
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point.get_x() < rect.get_x() + rect.get_width() &&
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point.get_y() >= rect.get_y() &&
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point.get_y() < rect.get_y() + rect.get_height());
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}
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bool
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rects_overlap (Gdk::Rectangle const& a, Gdk::Rectangle const& b)
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{
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return (
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max(a.get_x(), b.get_x()) <
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min(a.get_x() + a.get_width(), b.get_x() + b.get_width())
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&&
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max(a.get_y(), b.get_y()) <
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min(a.get_y() + a.get_height(), b.get_y() + b.get_height())
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);
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}
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}}// namespace gui::draw
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