public Circle()
{
_circleRadius = RandomNumberProvider.GetDouble();
_circleColor = DoubleColor.GetRandomColor();
_circleColor.RandomizeAlpha();
_circleColor.A = _circleColor.A / 2.0;
}
public static DoubleColor GetRandomColorAlpha()
{
DoubleColor color = GetRandomColor();
color.A = RandomNumberProvider.GetDouble();
return(color);
}
public override PointColor Transform(PointColor input)
{
double inX = input.X;
if (inX < 0)
{
inX = -inX + _stripeWidth;
}
if (inX % (_stripeWidth * 2) < _stripeWidth)
{
input.Color = DoubleColor.Combine(input.Color, _stripeColor);
}
return(input);
}
public override PointColor Transform(PointColor input)
{
var inX = input.X - 0.5;
var inY = input.Y - 0.5;
inX = inX % 1.0;
inY = inY % 1.0;
var dist = Math.Sqrt(Math.Pow(inX, 2.0) + Math.Pow(inY, 2.0));
if (dist < _circleRadius)
{
input.Color = DoubleColor.Combine(input.Color, _circleColor);
}
return(input);
}
public static DoubleColor GetRandomColor()
{
if (RandomNumberProvider.GetDouble() < 0.5)
{
if (RandomNumberProvider.GetDouble() < 0.5)
{
if (RandomNumberProvider.GetDouble() < 0.5)
{
return(DoubleColor.WhiteColor());
}
else
{
return(DoubleColor.BlackColor());
}
}
var value = RandomNumberProvider.GetDouble();
return(new DoubleColor(value, value, value));
}
return(new DoubleColor(RandomNumberProvider.GetDouble(), RandomNumberProvider.GetDouble(), RandomNumberProvider.GetDouble()));
}
public static DoubleColor Combine(DoubleColor colorA, DoubleColor colorB)
{
if (colorA.A == 0.0)
{
return(colorB);
}
if (colorB.A == 0.0)
{
return(colorA);
}
double totalAlpha = colorA.A + colorB.A;
double aWeight = (colorA.A / totalAlpha);
double bWeight = (colorB.A / totalAlpha);
double r = (colorA.R * aWeight) + (colorB.R * bWeight);
double g = (colorA.G * aWeight) + (colorB.G * bWeight);
double b = (colorA.B * aWeight) + (colorB.B * bWeight);
return(new DoubleColor(r, g, b, (totalAlpha / 2.0)));
}
/// <summary>
/// Generate a random gradient
/// </summary>
public Gradient()
{
// Add beginning and end points
_segments.Add(0.0, DoubleColor.GetRandomColorAlpha());
_segments.Add(1.0, DoubleColor.GetRandomColorAlpha());
// Determine number of intermediate points
var loops = 1;
var loopVal = RandomNumberProvider.GetDouble();
while (loopVal < (0.75 / loops))
{
var newSegmentIndex = RandomNumberProvider.GetDouble();
if (!_segments.ContainsKey(newSegmentIndex))
{
_segments.Add(newSegmentIndex, DoubleColor.GetRandomColorAlpha());
}
loops++;
}
}
public VerticalStripe()
{
_stripeWidth = RandomNumberProvider.GetDouble() * 0.25;
_stripeColor = DoubleColor.GetRandomColorAlpha();
_stripeColor.A = _stripeColor.A / 2.0;
}
public PointColor(double x, double y, DoubleColor color)
{
X = x;
Y = y;
Color = color;
}
public PointColor()
{
X = 0.0;
Y = 0.0;
Color = DoubleColor.BlackColor();
}
