51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*
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* This file is part of Pastie
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*
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* Pastie 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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* any later version.
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*
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* Pastie 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 Pastie. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @copyright 2015 Steffen Vogel
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* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
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* @author Steffen Vogel <steffen.vogel@rwth-aachen.de>
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* @link http://www.steffenvogel.de
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*/
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#include "rotate.h"
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Rotate::Rotate(double a, int i = INTER_LINEAR, double s) :
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angle(a),
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interpolation(i),
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scale(s)
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{
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QMap<int, QString> interMap;
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interMap[INTER_NEAREST] = "Nearest Neighbour";
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interMap[INTER_LINEAR] = "Linear";
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interMap[INTER_AREA] = "Pixel Area Relation";
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interMap[INTER_CUBIC] = "Bi-Cubic (4x4)";
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interMap[INTER_LANCZOS4] = "Lanczos4 (8x8)";
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settings["Angle"] = new DoubleSetting(this, angle, Range<double>(0, 360));
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settings["Scale"] = new DoubleSetting(this, scale, Range<double>(0.5, 2));
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settings["Interpolation"] = new EnumSetting(this, (int &) interpolation, interMap);
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}
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Result * Rotate::applyInternal(Image *img)
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{
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Mat &m = img->getMat();
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Mat affine = getRotationMatrix2D(Point2f(m.cols/2, m.rows/2), angle, 1);
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warpAffine(m, m, affine, m.size(), interpolation);
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return new Result(toQTransform(affine));
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}
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