public TransformModel Copy()
{
var copy = new TransformModel();
copy.SetFromValues(_values, Probability, Color, ColorPosition, IsFinal);
return(copy);
}
private static double[] SolveValues(double angle, TransformModel t)
{
var sin = Math.Sin(angle);
var cos = Math.Cos(angle);
var cos2 = Math.Cos(2.0 * angle);
var sin2 = Math.Sin(2.0 * angle);
var cosSq = cos * cos;
var n1 = t.A * t.D + t.B * t.C + t.A * t.D * cos2 - t.B * t.C * cos2;
var n2 = 2.0 * t.D * cos - 2.0 * t.C * sin;
var scaleX = n1 / n2;
FixNaN(ref scaleX);
n2 = 2.0 * t.A * cos + 2.0 * t.B * sin;
var scaleY = n1 / n2;
FixNaN(ref scaleY);
n1 = 2.0 * t.B * t.D + t.A * t.D * sin2 - t.B * t.C * sin2;
n2 = 2.0 * t.B * t.C + 2 * t.A * t.D * cosSq - 2.0 * t.B * t.C * cosSq;
var shearX = n1 / n2;
FixNaN(ref shearX);
n1 = 2.0 * t.A * t.C - t.A * t.D * sin2 + t.B * t.C * sin2;
var shearY = n1 / n2;
FixNaN(ref shearY);
return(new[] { t.E, t.F, scaleX, scaleY, shearX, shearY, angle });
}
public static TransformModel[] GetTransformationsFromFlameModel(FlameModel model)
{
var length = model.Coefficients.Count;
var transformations = new TransformModel[length];
var hasGradient = model.GradientPack != null;
for (var i = 0; i < length; i++)
{
var t = new TransformModel();
var colorPosition = .5;
if (hasGradient)
{
colorPosition = model.FunctionColorPositions[i];
}
var mif = model.IsFinal;
t.SetFromCoefficients(model.Coefficients[i], model.Coefficients[i][6], model.FunctionColors[i],
mif.Count != 0 && model.IsFinal[i], colorPosition);
transformations[i] = t;
}
return(transformations);
}
