68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee 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 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee 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 RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "coord.h"
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#include "rt_math.h"
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namespace rtengine
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{
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Coord& Coord::operator= (const PolarCoord& other)
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{
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const auto radius = other.radius;
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const auto angle = other.angle / 180.0 * M_PI;
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x = radius * std::cos (angle);
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y = radius * std::sin (angle);
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return *this;
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}
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PolarCoord& PolarCoord::operator= (const Coord& other)
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{
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const double x = other.x;
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const double y = other.y;
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radius = rtengine::norm2 (x, y);
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angle = std::atan2 (y, x) * 180.0 / M_PI;
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return *this;
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}
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/// @brief Clip the coord to stay in the width x height bounds
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/// @return true if the x or y coordinate has changed
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bool Coord::clip (const int width, const int height)
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{
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const auto newX = rtengine::LIM<int> (x, 0, width);
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const auto newY = rtengine::LIM<int> (y, 0, height);
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if (x != newX || y != newY) {
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x = newX;
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y = newY;
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return true;
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} else {
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return false;
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}
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}
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}
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