Engauge Digitizer
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Color
ColorFilterStrategyValue.cpp
Go to the documentation of this file.
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/******************************************************************************************************
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* (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
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* under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
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* LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
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******************************************************************************************************/
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#include "
ColorConstants.h
"
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#include "
ColorFilterStrategyValue.h
"
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#include <QColor>
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#include <qmath.h>
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ColorFilterStrategyValue::ColorFilterStrategyValue
()
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{
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}
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ColorFilterStrategyValue::~ColorFilterStrategyValue
()
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{
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}
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double
ColorFilterStrategyValue::pixelToZeroToOne
(
const
QColor &pixel,
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QRgb
/* rgbBackground */
)
const
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{
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return
pixel.valueF();
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}
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int
ColorFilterStrategyValue::zeroToOneToValue
(
double
s)
const
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{
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return
qFloor (
VALUE_MIN
+ s * (
VALUE_MAX
-
VALUE_MIN
));
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}
ColorConstants.h
VALUE_MAX
const int VALUE_MAX
Definition
ColorConstants.h:28
VALUE_MIN
const int VALUE_MIN
Definition
ColorConstants.h:27
ColorFilterStrategyValue.h
ColorFilterStrategyValue::ColorFilterStrategyValue
ColorFilterStrategyValue()
Single constructor.
Definition
ColorFilterStrategyValue.cpp:12
ColorFilterStrategyValue::pixelToZeroToOne
virtual double pixelToZeroToOne(const QColor &pixel, QRgb rgbBackground) const
Return a normalized value of 0 to 1 given input pixel.
Definition
ColorFilterStrategyValue.cpp:20
ColorFilterStrategyValue::zeroToOneToValue
virtual int zeroToOneToValue(double s) const
Return the low value normalized to 0 to 1.
Definition
ColorFilterStrategyValue.cpp:26
ColorFilterStrategyValue::~ColorFilterStrategyValue
virtual ~ColorFilterStrategyValue()
Definition
ColorFilterStrategyValue.cpp:16
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