protected override Node Evaluate(Env env)
{
ColorPoint[] points = GetColorPoints();
WarnNotSupportedByLessJS("gradientImage(color, color[, position])");
string colorDefs = ColorPoint.Stringify(points);
string imageUrl = GetFromCache(colorDefs);
if (imageUrl == null)
{
imageUrl = "data:image/png;base64," + Convert.ToBase64String(GetImageData(points));
AddToCache(colorDefs, imageUrl);
}
return(new Url(new TextNode(imageUrl)));
}
