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- import {
- l
- } from "./chunk-4E6K4P67.js";
- import {
- o
- } from "./chunk-WEMIK25H.js";
- import {
- s,
- s3 as s2
- } from "./chunk-EMJ4ZSM2.js";
- import {
- a
- } from "./chunk-GZT4BVFP.js";
- // node_modules/@arcgis/core/views/2d/layers/features/support/rendererUtils.js
- var l2 = 8;
- var a2 = l2 - 2;
- var n = s.getLogger("esri.views.2d.layers.features.support.rendererUtils");
- var i = (e) => {
- if (!("visualVariables" in e) || !e.visualVariables || !e.visualVariables.length)
- return e;
- const r = e.clone(), t = r.visualVariables.map((e2) => p(e2) ? c(e2) : e2);
- return r.visualVariables = t, r;
- };
- function u(e) {
- return e.map((e2) => p(e2) ? c(e2.clone()) : e2);
- }
- function p(e) {
- return (e.type === "size" || e.type === "color" || e.type === "opacity") && e.stops != null;
- }
- function c(e) {
- return e.stops = g(e.type, e.stops), e;
- }
- function f(e, r, t) {
- return (1 - t) * e + t * r;
- }
- function b(e, r) {
- const [t, ...s3] = r, l3 = s3.pop(), n2 = s3[0].value, i2 = s3[s3.length - 1].value, u2 = (i2 - n2) / a2, p2 = [];
- for (let a3 = n2; a3 < i2; a3 += u2) {
- let t2 = 0;
- for (; a3 >= s3[t2].value; )
- t2++;
- const l4 = s3[t2], n3 = r[t2 - 1], i3 = a3 - n3.value, u3 = l4.value === n3.value ? 1 : i3 / (l4.value - n3.value);
- if (e === "color") {
- const e2 = s3[t2], o2 = r[t2 - 1], l5 = e2.color.clone();
- l5.r = f(o2.color.r, l5.r, u3), l5.g = f(o2.color.g, l5.g, u3), l5.b = f(o2.color.b, l5.b, u3), l5.a = f(o2.color.a, l5.a, u3), p2.push({ value: a3, color: l5, label: e2.label });
- } else if (e === "size") {
- const e2 = s3[t2], l5 = r[t2 - 1], n4 = o(e2.size), i4 = f(o(l5.size), n4, u3);
- p2.push({ value: a3, size: i4, label: e2.label });
- } else {
- const e2 = s3[t2], o2 = f(r[t2 - 1].opacity, e2.opacity, u3);
- p2.push({ value: a3, opacity: o2, label: e2.label });
- }
- }
- return [t, ...p2, l3];
- }
- function m(e) {
- const [r, ...t] = e, o2 = t.pop();
- for (; t.length > a2; ) {
- let e2 = 0, r2 = 0;
- for (let o3 = 1; o3 < t.length; o3++) {
- const s3 = t[o3 - 1], l3 = t[o3], a3 = Math.abs(l3.value - s3.value);
- a3 > r2 && (r2 = a3, e2 = o3);
- }
- t.splice(e2, 1);
- }
- return [r, ...t, o2];
- }
- function g(e, r) {
- return r.length <= l2 ? r : (n.warn(`Found ${r.length} Visual Variable stops, but MapView only supports ${l2}. Displayed stops will be simplified.`), r.length > 2 * l2 ? b(e, r) : m(r));
- }
- function h() {
- if (a("heatmap-force-raster"))
- return "raster";
- const { supportsTextureFloat: e, supportsTextureHalfFloat: t, supportsColorBufferFloat: o2, supportsColorBufferFloatBlend: l3, supportsColorBufferHalfFloat: a3 } = l("2d");
- return e && o2 && l3 || t && a3 ? "symbol" : a("heatmap-allow-raster-fallback") ? "raster" : "none";
- }
- function v(t) {
- if (!t)
- return true;
- switch (t.type) {
- case "dot-density":
- if (!l("2d").supportsTextureFloat)
- return n.error(new s2("webgl-missing-extension", "Missing WebGL extension OES_Texture_Float which is required for DotDensity")), false;
- break;
- case "heatmap": {
- const t2 = h();
- if (t2 === "none" || t2 === "raster" && !a("heatmap-force-raster")) {
- const r = l("2d"), o2 = ["supportsTextureFloat", "supportsTextureHalfFloat", "supportsColorBufferFloat", "supportsColorBufferFloatBlend", "supportsColorBufferHalfFloat"].filter((e) => !r[e]).join(", ");
- if (t2 === "none")
- return n.errorOnce(new s2("webgl-missing-extension", `Missing WebGL${r.type} requirements for Heatmap: ${o2}`)), false;
- t2 === "raster" && n.warnOnce(`Missing WebGL${r.type} requirements for accelerated Heatmap: ${o2}. Feature support may be limited.`);
- }
- break;
- }
- }
- return true;
- }
- export {
- i,
- u,
- h,
- v
- };
- //# sourceMappingURL=chunk-GSORSXL5.js.map
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