hyperion.ng/include/utils/HsvTransform.h
T. van der Zwan 3d02fecc7a Added 'rainbow' boot sequence
Moved color transform to utils lib
2013-08-23 16:24:10 +00:00

31 lines
919 B
C++

#pragma once
// STL includes
#include <cstdint>
class HsvTransform
{
public:
HsvTransform();
HsvTransform(double saturationGain, double valueGain);
~HsvTransform();
void setSaturationGain(double saturationGain);
double getSaturationGain() const;
void setValueGain(double valueGain);
double getValueGain() const;
void transform(uint8_t & red, uint8_t & green, uint8_t & blue) const;
/// integer version of the conversion are faster, but a little less accurate
/// all values are unsigned 8 bit values and scaled between 0 and 255 except
/// for the hue which is a 16 bit number and scaled between 0 and 360
static void rgb2hsv(uint8_t red, uint8_t green, uint8_t blue, uint16_t & hue, uint8_t & saturation, uint8_t & value);
static void hsv2rgb(uint16_t hue, uint8_t saturation, uint8_t value, uint8_t & red, uint8_t & green, uint8_t & blue);
private:
double _saturationGain;
double _valueGain;
};