import “../math/trigonometry”; import “color”; import “lab”; import “rgb”;
d3.hcl = function(h, c, l) {
return arguments.length === 1 ? (h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : (h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b))) : d3_hcl(+h, +c, +l);
};
function d3_hcl(h, c, l) {
return new d3_Hcl(h, c, l);
}
function d3_Hcl(h, c, l) {
this.h = h; this.c = c; this.l = l;
}
var d3_hclPrototype = d3_Hcl.prototype = new d3_Color;
d3_hclPrototype.brighter = function(k) {
return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
};
d3_hclPrototype.darker = function(k) {
return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
};
d3_hclPrototype.rgb = function() {
return d3_hcl_lab(this.h, this.c, this.l).rgb();
};
function d3_hcl_lab(h, c, l) {
if (isNaN(h)) h = 0; if (isNaN(c)) c = 0; return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
}