protected int GetARGB32Color(
ColorWheelBase wl,
double degree,
double currentRadius,
double gradRadius
)
{
return(GetDoubleColor(wl, degree, currentRadius, gradRadius).ToARGB32());
}
private int GetColorFromPoint(
int radius,
double x,
double y,
ColorWheelBase wl,
out int offset,
out double degree
)
{
double step;
double curRadius = Math.Sqrt(x * x + y * y);
double radians = Math.Atan2(y, x);
double gradRadius = radius - (SectorWidth * 3.0);
int sector = (int)((radius - curRadius) / SectorWidth);
degree = wl.FixAngle((360.0 - radians * (180 / Math.PI)) + m_angleShift);
offset = (int)(((int)(y + radius)) * (radius * 2) + (int)(x + radius));
int val = 0;
switch (sector)
{
case 0:
step = 360 / 6;
degree = ((int)((degree + step / 2) / step)) * step;
break;
case 1:
step = 360 / 12;
degree = ((int)((degree + step / 2) / step)) * step;
break;
case 2:
step = 360 / 24;
degree = ((int)((degree + step / 2) / step)) * step;
break;
}
if (sector <= 2)
{
val = wl.GetColor(degree).ToARGB32();
}
else
{
val = GetARGB32Color(wl, degree, curRadius, gradRadius);
}
return(val);
}
void InstantiateWheel()
{
//Leaving this here in case I create more color wheel types...
if (wheel != null)
{
this._grid.Children.Remove(wheel);
}
if (wheelClass != null)
{
wheel = (ColorWheelBase)Activator.CreateInstance(WheelClass);
wheel.Name = "wheel";
wheel.PointerPressed += Wheel_PointerPressed;;
wheel.ZIndex = -2;
_grid.Children.Add(wheel);
wheel.PointerPressed += Wheel_PointerPressed;
}
}
protected DoubleColor GetDoubleColor(
ColorWheelBase wl,
double degree,
double currentRadius,
double gradRadius
)
{
DoubleColor val;
AHSL hsl;
DoubleColor dc = wl.GetColor(degree);
switch (PaintMethod)
{
case WheelPaintMethod.Brightness:
val = dc.ToAHSB().Alter(null, 1.0, currentRadius / gradRadius).Double();
break;
case WheelPaintMethod.InverseLuminance:
hsl = dc.ToAHSL();
hsl.Luminance = currentRadius / gradRadius;
val = hsl.Double();
break;
case WheelPaintMethod.Luminance:
hsl = dc.ToAHSL();
hsl.Luminance = 1.0 - currentRadius / gradRadius;
val = hsl.Double();
break;
case WheelPaintMethod.Saturation:
val = dc.ToAHSB().Alter(null, currentRadius / gradRadius).Double();
break;
default:
throw new NotImplementedException();
}
return(val);
}