36 lines
980 B
C++
36 lines
980 B
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
|
|
namespace hyperion
|
|
{
|
|
|
|
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;
|
|
|
|
private:
|
|
/// 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;
|
|
};
|
|
|
|
} // namespace hyperion
|