pastie/filters/maxchannel.cpp

43 lines
1.3 KiB
C++

/*
* This file is part of Pastie
*
* Pastie is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* Pastie is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pastie. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @copyright 2015 Steffen Vogel
* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
* @author Steffen Vogel <steffen.vogel@rwth-aachen.de>
* @link http://www.steffenvogel.de
*/
#include "maxchannel.h"
Result * MaxChannel::applyInternal(Image *img)
{
Mat &m = img->getMat();
CV_Assert(m.type() == CV_8UC3);
for(int i = 0; i < m.rows; i++) {
uchar *p = m.ptr<uchar>(i);
for (int j = 0; j < 3*m.cols; j += 3) {
p[j] = (p[j ] > p[j+1] && p[j ] > p[j+2]) ? 0xff : 0;
p[j+1] = (p[j+1] > p[j ] && p[j+1] > p[j+2]) ? 0xff : 0;
p[j+2] = (p[j+2] > p[j ] && p[j+2] > p[j+2]) ? 0xff : 0;
}
}
return new Result;
}