00001 /****************************************************************************************************** 00002 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released * 00003 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file * 00004 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. * 00005 ******************************************************************************************************/ 00006 00007 #include "ColorConstants.h" 00008 #include "ColorFilterStrategyValue.h" 00009 #include <QColor> 00010 #include <qmath.h> 00011 00012 ColorFilterStrategyValue::ColorFilterStrategyValue () 00013 { 00014 } 00015 00016 ColorFilterStrategyValue::~ColorFilterStrategyValue () 00017 { 00018 } 00019 00020 double ColorFilterStrategyValue::pixelToZeroToOne (const QColor &pixel, 00021 QRgb /* rgbBackground */) const 00022 { 00023 return pixel.valueF(); 00024 } 00025 00026 int ColorFilterStrategyValue::zeroToOneToValue (double s) const 00027 { 00028 return VALUE_MIN + s * (VALUE_MAX - VALUE_MIN); 00029 }