public void SetColor(CCColor3B colorValue)
{
// XXX fixed me if not correct
base.Color = colorValue;
RGBA rgba;
rgba.r = colorValue.R / 255.0f;
rgba.g = colorValue.G / 255.0f;
rgba.b = colorValue.B / 255.0f;
rgba.a = 1.0f;
_hsv = CCControlUtils.HSVfromRGB(rgba);
UpdateHueAndControlPicker();
}
public static RGBA RGBfromHSV(HSV value)
{
float hh, p, q, t, ff;
long i;
RGBA o;
o.a = 1f;
if (value.s <= 0.0f) // < is bogus, just shuts up warnings
{
if (double.IsNaN(value.h)) // value.h == NAN
{
o.r = value.v;
o.g = value.v;
o.b = value.v;
return o;
}
// error - should never happen
o.r = 0.0f;
o.g = 0.0f;
o.b = 0.0f;
return o;
}
hh = value.h;
if(hh >= 360.0f) hh = 0.0f;
hh /= 60.0f;
i = (long)hh;
ff = hh - i;
p = value.v * (1.0f - value.s);
q = value.v * (1.0f - (value.s * ff));
t = value.v * (1.0f - (value.s * (1.0f - ff)));
switch(i)
{
case 0:
o.r = value.v;
o.g = t;
o.b = p;
break;
case 1:
o.r = q;
o.g = value.v;
o.b = p;
break;
case 2:
o.r = p;
o.g = value.v;
o.b = t;
break;
case 3:
o.r = p;
o.g = q;
o.b = value.v;
break;
case 4:
o.r = t;
o.g = p;
o.b = value.v;
break;
case 5:
default:
o.r = value.v;
o.g = p;
o.b = q;
break;
}
return o;
}
public virtual void UpdateDraggerWithHSV(HSV hsv)
{
// Set the position of the slider to the correct saturation and brightness
var pos = new CCPoint(_startPos.X + boxPos + (boxSize * (1f - hsv.s)),
_startPos.Y + boxPos + (boxSize * hsv.v));
// update
UpdateSliderPosition(pos);
}
public static RGBA RGBfromHSV(HSV value)
{
double hh, p, q, t, ff;
long i;
RGBA o;
o.a = 1;
if (value.s <= 0.0) // < is bogus, just shuts up warnings
{
if (double.IsNaN(value.h)) // value.h == NAN
{
o.r = value.v;
o.g = value.v;
o.b = value.v;
return(o);
}
// error - should never happen
o.r = 0.0;
o.g = 0.0;
o.b = 0.0;
return(o);
}
hh = value.h;
if (hh >= 360.0)
{
hh = 0.0;
}
hh /= 60.0;
i = (long)hh;
ff = hh - i;
p = value.v * (1.0 - value.s);
q = value.v * (1.0 - (value.s * ff));
t = value.v * (1.0 - (value.s * (1.0 - ff)));
switch (i)
{
case 0:
o.r = value.v;
o.g = t;
o.b = p;
break;
case 1:
o.r = q;
o.g = value.v;
o.b = p;
break;
case 2:
o.r = p;
o.g = value.v;
o.b = t;
break;
case 3:
o.r = p;
o.g = q;
o.b = value.v;
break;
case 4:
o.r = t;
o.g = p;
o.b = value.v;
break;
case 5:
default:
o.r = value.v;
o.g = p;
o.b = q;
break;
}
return(o);
}
public virtual void UpdateWithHSV(HSV hsv)
{
HSV hsvTemp;
hsvTemp.s = 1;
hsvTemp.h = hsv.h;
hsvTemp.v = 1;
RGBA rgb = CCControlUtils.RGBfromHSV(hsvTemp);
_background.Color = new CCColor3B((byte) (rgb.r * 255.0f), (byte) (rgb.g * 255.0f),
(byte) (rgb.b * 255.0f));
}
