private static GradientStopCollection fromInterpolation(GradientStopCollection min, double p, GradientStopCollection max)
{
if (min.Count < max.Count)
{
GradientStopCollection t = min;
min = max;
max = t;
p = 1 - p;
}
GradientStopCollection ret = new GradientStopCollection();
for (int i = 0; i < min.Count; ++i)
{
ret.Add(new GradientStop()
{
Color = ColorTool.FromARGBInterpolation(min[i].Color, p, max[i].Color),
Offset = min[i].Offset * (1.0 - p) + max[i].Offset * p
});
}
for (int i = min.Count; i < max.Count; ++i)
{
ret.Add(new GradientStop()
{
Color = ColorTool.FromARGBInterpolation(min[min.Count - 1].Color, p, max[i].Color),
Offset = min[min.Count - 1].Offset * (1.0 - p) + max[i].Offset * p
});
}
return(ret);
}
private static Brush fromInterpolation(SolidColorBrush min, double p, SolidColorBrush max)
{
return(new SolidColorBrush(ColorTool.FromARGBInterpolation(min.Color, p, max.Color))
{
Opacity = min.Opacity * (1.0 - p) + max.Opacity * p
});
}
private static GradientStopCollection fromInterpolation(Color min, double p, GradientStopCollection max)
{
GradientStopCollection ret = new GradientStopCollection();
double[] ahsvMin = ColorTool.AHSV(min);
for (int i = 0; i < max.Count; ++i)
{
double[] ahsv = ColorTool.FromAHSVInterpolation(ahsvMin, p, ColorTool.AHSV(max[i].Color));
Color color = ColorTool.FromAHSV(ahsv[0], ahsv[1], ahsv[2], ahsv[3]);
color = ColorTool.FromARGBInterpolation(min, p, max[i].Color);
ret.Add(new GradientStop()
{
Color = color, Offset = max[i].Offset
});
}
return(ret);
}