7 #include "ColorConstants.h" 8 #include "ColorFilterStrategyIntensity.h" 16 ColorFilterStrategyIntensity::~ColorFilterStrategyIntensity ()
23 double distance = qSqrt (pow ((
double) pixel.red(), 2) +
24 pow ((
double) pixel.green(), 2) +
25 pow ((
double) pixel.blue(), 2));
26 return distance / qSqrt (255.0 * 255.0 + 255.0 * 255.0 + 255.0 * 255.0);
31 return INTENSITY_MIN + s * (INTENSITY_MAX - INTENSITY_MIN);
virtual int zeroToOneToValue(double s) const
Return the low value normalized to 0 to 1.
ColorFilterStrategyIntensity()
Single constructor.
virtual double pixelToZeroToOne(const QColor &pixel, QRgb rgbBackground) const
Return a normalized value of 0 to 1 given input pixel.