mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
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/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ui.hpp"
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#include <algorithm>
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namespace ui {
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bool Rect::contains(const Point p) const {
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return (p.x >= left()) && (p.y >= top()) &&
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(p.x < right()) && (p.y < bottom());
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}
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Rect Rect::intersect(const Rect& o) const {
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const auto x1 = std::max(left(), o.left());
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const auto x2 = std::min(right(), o.right());
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const auto y1 = std::max(top(), o.top());
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const auto y2 = std::min(bottom(), o.bottom());
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if( (x2 >= x1) && (y2 > y1) ) {
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return {
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x1, y1,
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static_cast<Dim>(x2 - x1), static_cast<Dim>(y2 - y1) };
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} else {
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return { };
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}
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}
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Rect& Rect::operator+=(const Rect& p) {
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if( is_empty() ) {
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*this = p;
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}
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if( !p.is_empty() ) {
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const auto x1 = std::min(left(), p.left());
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const auto y1 = std::min(top(), p.top());
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pos = { x1, y1 };
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const auto x2 = std::max(right(), p.right());
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const auto y2 = std::max(bottom(), p.bottom());
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size = { static_cast<Dim>(x2 - x1), static_cast<Dim>(y2 - y1) };
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}
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return *this;
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}
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} /* namespace ui */
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