Engauge Digitizer 2
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ColorFilterStrategySaturation.cpp
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1/******************************************************************************************************
2 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
3 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
4 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
5 ******************************************************************************************************/
6
7#include "ColorConstants.h"
9#include <QColor>
10#include <qmath.h>
11
15
19
21 QRgb /* rgbBackground */) const
22{
23 return pixel.saturationF();
24}
25
27{
28 return qFloor (SATURATION_MIN + s * (SATURATION_MAX - SATURATION_MIN));
29}
const int SATURATION_MAX
const int SATURATION_MIN
virtual int zeroToOneToValue(double s) const
Return the low value normalized to 0 to 1.
virtual double pixelToZeroToOne(const QColor &pixel, QRgb rgbBackground) const
Return a normalized value of 0 to 1 given input pixel.