/* Filter a pixel based on some parameters and return a color value */
public override HColor FilterPixel(HColor source)
{
HSVA pixel = HueSaturationValue.ColorToHSV(source);
pixel.h = (pixel.h + mHSVA.h) % 360;
pixel.s = Mathf.Clamp01(pixel.s + mHSVA.s);
pixel.v = Mathf.Clamp01(pixel.v * mHSVA.v);
pixel.a = Mathf.Clamp01(pixel.a * mHSVA.a);
return(HueSaturationValue.HSVToHColor(pixel));
}
/* Filter a pixel based on some parameters and return a color value */
public override HColor FilterPixel(HColor source)
{
HSVA pixel = HueSaturationValue.ColorToHSV(source);
/* Set the source pixel Hue */
pixel.h = mHSVA.h;
pixel.s = pixel.s * mHSVA.s;
pixel.v = pixel.v * mHSVA.v;
/* Apply alpha as a multiplier */
pixel.a *= mHSVA.a;
return(HueSaturationValue.HSVToHColor(pixel));
}
/* Filter a pixel based on some parameters and return a color value */
public override HColor FilterPixel(HColor source)
{
HSVA pixel = HueSaturationValue.ColorToHSV(source);
/* Set the source pixel Hue */
pixel.h = mHSVA.h;
/*
* Assume the source pixel has saturation 1 and subtract inverse of saturation from it
* This subtractive process will not saturate white pixels like highlites
*/
pixel.s = Mathf.Clamp01(pixel.s - (1 - mHSVA.s));
/*
* Use the value as an exponent to darken pixels
* This method does not darken white pixels ( to maintain highlights )
*/
pixel.v = Mathf.Clamp01(Mathf.Pow(pixel.v, 1 + (1 - (mHSVA.v)) * 2.5f));
/* Apply alpha as a multiplier */
pixel.a *= mHSVA.a;
return(HueSaturationValue.HSVToHColor(pixel));
}
