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58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/***************************************************************************
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* Copyright (C) 2019 Carson Black <uhhadd@gmail.com> *
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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 of the License, or *
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* (at your option) 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; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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#include <QObject>
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#include <QColor>
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#include <QImage>
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#include <QDebug>
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#include "colouraverage.h"
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ColourAverage::ColourAverage(QObject *parent) : QObject(parent)
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{
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}
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QColor ColourAverage::averageColour(const QImage &img) {
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int r = 0;
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int g = 0;
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int b = 0;
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int c = 0;
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for (int i = 0; i < img.width(); i++) {
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for (int ii = 0; ii < img.height(); ii++) {
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QRgb pix = img.pixel(i, ii);
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if (pix == 0)
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continue;
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c++;
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r += qRed(pix);
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g += qGreen(pix);
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b += qBlue(pix);
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}
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}
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r = r / c;
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g = g / c;
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b = b / c;
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QColor color = QColor::fromRgb(r,g,b);
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color.setHsv(color.hue(), color.saturation() / 4, color.value());
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return color;
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}
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