/* COPYRIGHT Esri - https://js.arcgis.com/5.0.18/LICENSE.txt */
import{glsl as c}from"../../shaderModules/glsl.js";function e(e){e.code.add(c`vec4 premultiplyAlpha(vec4 v) {
return vec4(v.rgb * v.a, v.a);
}
vec3 rgb2hsv(vec3 c) {
vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
vec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);
vec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);
float d = q.x - min(q.w, q.y);
float e = 1.0e-10;
return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), min(d / (q.x + e), 1.0), q.x);
}
vec3 hsv2rgb(vec3 c) {
vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
}
float rgb2v(vec3 c) {
return max(c.x, max(c.y, c.z));
}`)}export{e as ColorConversion};
