static Color[] GenerateColors(AdaptiveGradient gradient, uint numSamples)
{
double leftAnchor = gradient.First().Anchor.AnchorValue;
double rightAnchor = gradient.Last().Anchor.AnchorValue;
//we need to make sure it spreads out across the whole range, so we set the
//increment such that we include the end two colors.
double increment = (rightAnchor - leftAnchor) / (numSamples - 1);
Color[] colors = new Color[numSamples];
double targetValue;
for (int i = 0; i < numSamples; i++)
{
targetValue = leftAnchor + increment * i;
//consider stops in pairs, and if we're in the right pair
// interpolate between the stops.
for (int j = 0; j < gradient.Count - 1; j++)
{
//because of the way we're counting, if this condition
// is true, we're between a pair of gradient stops
// with the left one smaller and the right one larger.
if (targetValue >= gradient[j].Anchor.AnchorValue)
{
colors[i] = InterpolateBetweenStops(targetValue, gradient[j], gradient[j + 1]);
continue;
}
}
}
return(colors);
}
static double[] GenerateTargetValues(AdaptiveGradient gradient, uint numSamples)
{
double leftAnchor = gradient.First().Anchor.AnchorValue;
double rightAnchor = gradient.Last().Anchor.AnchorValue;
double increment = (rightAnchor - leftAnchor) / numSamples;
double[] targetValues = new double[numSamples];
//generate sample sets. Note that each block is represented by the max value in the block.
for (int i = 1; i <= numSamples; i++)
{
targetValues[i - 1] = leftAnchor + increment * i;
}
return(targetValues);
}