drawing_utils.js

(function(){/*

 Copyright The Closure Library Authors.
 SPDX-License-Identifier: Apache-2.0
*/
'use strict';function h(a){var c=0;return function(){return c<a.length?{done:!1,value:a[c++]}:{done:!0}}}var l="function"==typeof Object.defineProperties?Object.defineProperty:function(a,c,b){if(a==Array.prototype||a==Object.prototype)return a;a[c]=b.value;return a};
function m(a){a=["object"==typeof globalThis&&globalThis,a,"object"==typeof window&&window,"object"==typeof self&&self,"object"==typeof global&&global];for(var c=0;c<a.length;++c){var b=a[c];if(b&&b.Math==Math)return b}throw Error("Cannot find global object");}var n=m(this);function p(a,c){if(c)a:{var b=n;a=a.split(".");for(var d=0;d<a.length-1;d++){var e=a[d];if(!(e in b))break a;b=b[e]}a=a[a.length-1];d=b[a];c=c(d);c!=d&&null!=c&&l(b,a,{configurable:!0,writable:!0,value:c})}}
function q(a){var c="undefined"!=typeof Symbol&&Symbol.iterator&&a[Symbol.iterator];return c?c.call(a):{next:h(a)}}var r="function"==typeof Object.assign?Object.assign:function(a,c){for(var b=1;b<arguments.length;b++){var d=arguments[b];if(d)for(var e in d)Object.prototype.hasOwnProperty.call(d,e)&&(a[e]=d[e])}return a};p("Object.assign",function(a){return a||r});
p("Array.prototype.fill",function(a){return a?a:function(c,b,d){var e=this.length||0;0>b&&(b=Math.max(0,e+b));if(null==d||d>e)d=e;d=Number(d);0>d&&(d=Math.max(0,e+d));for(b=Number(b||0);b<d;b++)this[b]=c;return this}});function t(a){return a?a:Array.prototype.fill}p("Int8Array.prototype.fill",t);p("Uint8Array.prototype.fill",t);p("Uint8ClampedArray.prototype.fill",t);p("Int16Array.prototype.fill",t);p("Uint16Array.prototype.fill",t);p("Int32Array.prototype.fill",t);
p("Uint32Array.prototype.fill",t);p("Float32Array.prototype.fill",t);p("Float64Array.prototype.fill",t);var u=this||self;function v(a,c){a=a.split(".");var b=u;a[0]in b||"undefined"==typeof b.execScript||b.execScript("var "+a[0]);for(var d;a.length&&(d=a.shift());)a.length||void 0===c?b[d]&&b[d]!==Object.prototype[d]?b=b[d]:b=b[d]={}:b[d]=c};var w={color:"white",lineWidth:4,radius:6,visibilityMin:.5};function x(a){a=a||{};return Object.assign(Object.assign(Object.assign({},w),{fillColor:a.color}),a)}function y(a,c){return a instanceof Function?a(c):a}function z(a,c,b){return Math.max(Math.min(c,b),Math.min(Math.max(c,b),a))}v("clamp",z);
v("drawLandmarks",function(a,c,b){if(c){b=x(b);a.save();var d=a.canvas,e=0;c=q(c);for(var f=c.next();!f.done;f=c.next())if(f=f.value,void 0!==f&&(void 0===f.visibility||f.visibility>b.visibilityMin)){a.fillStyle=y(b.fillColor,{index:e,from:f});a.strokeStyle=y(b.color,{index:e,from:f});a.lineWidth=y(b.lineWidth,{index:e,from:f});var g=new Path2D;g.arc(f.x*d.width,f.y*d.height,y(b.radius,{index:e,from:f}),0,2*Math.PI);a.fill(g);a.stroke(g);++e}a.restore()}});
v("drawConnectors",function(a,c,b,d){if(c&&b){d=x(d);a.save();var e=a.canvas,f=0;b=q(b);for(var g=b.next();!g.done;g=b.next()){var k=g.value;a.beginPath();g=c[k[0]];k=c[k[1]];g&&k&&(void 0===g.visibility||g.visibility>d.visibilityMin)&&(void 0===k.visibility||k.visibility>d.visibilityMin)&&(a.strokeStyle=y(d.color,{index:f,from:g,to:k}),a.lineWidth=y(d.lineWidth,{index:f,from:g,to:k}),a.moveTo(g.x*e.width,g.y*e.height),a.lineTo(k.x*e.width,k.y*e.height));++f;a.stroke()}a.restore()}});
v("drawRectangle",function(a,c,b){b=x(b);a.save();var d=a.canvas;a.beginPath();a.lineWidth=y(b.lineWidth,{});a.strokeStyle=y(b.color,{});a.fillStyle=y(b.fillColor,{});a.translate(c.xCenter*d.width,c.yCenter*d.height);a.rotate(c.rotation*Math.PI/180);a.rect(-c.width/2*d.width,-c.height/2*d.height,c.width*d.width,c.height*d.height);a.translate(-c.xCenter*d.width,-c.yCenter*d.height);a.stroke();a.fill();a.restore()});v("lerp",function(a,c,b,d,e){return z(d*(1-(a-c)/(b-c))+e*(1-(b-a)/(b-c)),d,e)});}).call(this);