public static Color GetRadiallyBlurred(int row, int col, Color sourceColor,
int centerRow, int centerCol, Color blurColor,
double maxRadius, RadialEffectDirection direction)
{
int xDist = centerRow - row,
yDist = centerCol - col;
double dist = Math.Sqrt(xDist * xDist + yDist * yDist);
double effectWeight;
if(direction == RadialEffectDirection.IncreaseTowardsBorder)
{
effectWeight = Math.Min(dist, maxRadius) / maxRadius;
} else
{
effectWeight = 1 - (Math.Min(dist, maxRadius) / maxRadius);
}
return Blend(sourceColor, blurColor, effectWeight);
}
public static Color GetRadiallyBlurred(int row, int col, Color sourceColor,
int centerRow, int centerCol, Color blurColor,
double maxRadius, RadialEffectDirection direction)
{
int xDist = centerRow - row,
yDist = centerCol - col;
double dist = Math.Sqrt(xDist * xDist + yDist * yDist);
double effectWeight;
if (direction == RadialEffectDirection.IncreaseTowardsBorder)
{
effectWeight = Math.Min(dist, maxRadius) / maxRadius;
}
else
{
effectWeight = 1 - (Math.Min(dist, maxRadius) / maxRadius);
}
return(Blend(sourceColor, blurColor, effectWeight));
}
