mirror of
https://github.com/rough-stuff/rough.git
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2 lines
41 KiB
JavaScript
2 lines
41 KiB
JavaScript
var rough=function(){"use strict";var t=function(e,i){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i])})(e,i)};function e(e,i){function r(){this.constructor=e}t(e,i),e.prototype=null===i?Object.create(i):(r.prototype=i.prototype,new r)}function i(t,e,i,r){return new(i||(i=Promise))(function(n,s){function a(t){try{h(r.next(t))}catch(t){s(t)}}function o(t){try{h(r.throw(t))}catch(t){s(t)}}function h(t){t.done?n(t.value):new i(function(e){e(t.value)}).then(a,o)}h((r=r.apply(t,e||[])).next())})}function r(t,e){var i,r,n,s,a={label:0,sent:function(){if(1&n[0])throw n[1];return n[1]},trys:[],ops:[]};return s={next:o(0),throw:o(1),return:o(2)},"function"==typeof Symbol&&(s[Symbol.iterator]=function(){return this}),s;function o(s){return function(o){return function(s){if(i)throw new TypeError("Generator is already 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t(t,e){this.defaultOptions={maxRandomnessOffset:2,roughness:1,bowing:1,stroke:"#000",strokeWidth:1,curveTightness:0,curveStepCount:9,fillStyle:"hachure",fillWeight:-1,hachureAngle:-41,hachureGap:-1},this.config=t||{},this.surface=e,this.config.options&&(this.defaultOptions=this._options(this.config.options))}return t.prototype._options=function(t){return t?Object.assign({},this.defaultOptions,t):this.defaultOptions},t.prototype._drawable=function(t,e,i){return{shape:t,sets:e||[],options:i||this.defaultOptions}},t.prototype.getCanvasSize=function(){var t=function(t){return t&&"object"==typeof t&&t.baseVal&&t.baseVal.value?t.baseVal.value:t||100};return this.surface?[t(this.surface.width),t(this.surface.height)]:[100,100]},t.prototype.computePolygonSize=function(t){if(t.length){for(var e=t[0][0],i=t[0][0],r=t[0][1],n=t[0][1],s=1;s<t.length;s++)e=Math.min(e,t[s][0]),i=Math.max(i,t[s][0]),r=Math.min(r,t[s][1]),n=Math.max(n,t[s][1]);return[i-e,n-r]}return[0,0]},t.prototype.polygonPath=function(t){var e="";if(t.length){e="M"+t[0][0]+","+t[0][1];for(var i=1;i<t.length;i++)e=e+" L"+t[i][0]+","+t[i][1]}return e},t.prototype.computePathSize=function(t){var e=[0,0];if(n&&self.document)try{var i="http://www.w3.org/2000/svg",r=self.document.createElementNS(i,"svg");r.setAttribute("width","0"),r.setAttribute("height","0");var s=self.document.createElementNS(i,"path");s.setAttribute("d",t),r.appendChild(s),self.document.body.appendChild(r);var a=s.getBBox();a&&(e[0]=a.width||0,e[1]=a.height||0),self.document.body.removeChild(r)}catch(t){}var o=this.getCanvasSize();return e[0]*e[1]||(e=o),e},t.prototype.toPaths=function(t){for(var e=t.sets||[],i=t.options||this.defaultOptions,r=[],n=0,s=e;n<s.length;n++){var a=s[n],o=null;switch(a.type){case"path":o={d:this.opsToPath(a),stroke:i.stroke,strokeWidth:i.strokeWidth,fill:"none"};break;case"fillPath":o={d:this.opsToPath(a),stroke:"none",strokeWidth:0,fill:i.fill||"none"};break;case"fillSketch":o=this.fillSketch(a,i);break;case"path2Dfill":o={d:a.path||"",stroke:"none",strokeWidth:0,fill:i.fill||"none"};break;case"path2Dpattern":var h=a.size,c={x:0,y:0,width:1,height:1,viewBox:"0 0 "+Math.round(h[0])+" "+Math.round(h[1]),patternUnits:"objectBoundingBox",path:this.fillSketch(a,i)};o={d:a.path,stroke:"none",strokeWidth:0,pattern:c}}o&&r.push(o)}return r},t.prototype.fillSketch=function(t,e){var i=e.fillWeight;return i<0&&(i=e.strokeWidth/2),{d:this.opsToPath(t),stroke:e.fill||"none",strokeWidth:i,fill:"none"}},t.prototype.opsToPath=function(t){for(var e="",i=0,r=t.ops;i<r.length;i++){var n=r[i],s=n.data;switch(n.op){case"move":e+="M"+s[0]+" "+s[1]+" ";break;case"bcurveTo":e+="C"+s[0]+" "+s[1]+", "+s[2]+" "+s[3]+", "+s[4]+" "+s[5]+" ";break;case"qcurveTo":e+="Q"+s[0]+" "+s[1]+", "+s[2]+" "+s[3]+" ";break;case"lineTo":e+="L"+s[0]+" "+s[1]+" "}}return e.trim()},t}();function a(t,e){return e=e||[],new Proxy(function(){},{get(i,r,n){if("then"===r){if(0===e.length)return{then:()=>n};const i=t.remote({type:"GET",path:e});return i.then.bind(i)}return a(t,e.concat(r))},set:(i,r,n)=>t.remote({type:"SET",path:e.concat(r),value:n}),apply:(i,r,n)=>t.remote({type:"APPLY",path:e,args:n}),construct:(e,i)=>t.remote({type:"CONSTRUCT",args:i})})}class o{constructor(t,e){this.w=t,this.uid=e||`${Date.now()}-${h()}`,this.c=0,this.cbs={},t.addEventListener("message",e=>{if(this.w.oURL)try{URL.revokeObjectURL(this.w.oURL)}catch(t){}finally{delete this.w.oURL}let i=e.data&&e.data.id,r=i&&this.cbs[i];r&&(delete this.cbs[i],e.data.error?r[1](new Error(e.data.error)):r[0](e.data.targetId?a(new o(t,e.data.targetId)):e.data.value))})}remote(t){const e=t.args||[],i=`${this.uid}-${++this.c}`;return new Promise((r,n)=>{this.cbs[i]=[r,n],this.w.postMessage(Object.assign({},t,{id:i,args:e,target:this.uid}))})}}function h(){return Math.floor(Math.random()*Number.MAX_SAFE_INTEGER)}function c(t){const e=t,i={};self.addEventListener("message",async t=>{let r=t.data||{};r.path=r.path||[];let n=r.target&&i[r.target]||e;const s=t=>t.reduce((t,e)=>t?t[e]:t,n),a=r&&r.id;if(a&&r.type){const t={id:a},e=s(r.path),n=s(r.path.slice(0,-1));switch(r.type){case"GET":t.value=e;break;case"SET":let s=r.path.length&&r.path[r.path.length-1];s&&(n[s]=r.value),t.value=!!s;break;case"APPLY":try{t.value=await e.apply(n,r.args||[])}catch(e){t.error=e.toString()}break;case"CONSTRUCT":try{t.value=new e(...r.args),t.targetId=(t=>{const e=`${Date.now()}-${h()}`;return i[e]=t,e})(t.value)}catch(e){t.error=e.toString()}}self.postMessage(t)}})}function l(t,e){return t.type===e}var u={A:7,a:7,C:6,c:6,H:1,h:1,L:2,l:2,M:2,m:2,Q:4,q:4,S:4,s:4,T:4,t:2,V:1,v:1,Z:0,z:0},p=function(){function t(t){this.COMMAND=0,this.NUMBER=1,this.EOD=2,this.segments=[],this.parseData(t),this.processPoints()}return t.prototype.tokenize=function(t){for(var e=new Array;""!==t;)if(t.match(/^([ \t\r\n,]+)/))t=t.substr(RegExp.$1.length);else if(t.match(/^([aAcChHlLmMqQsStTvVzZ])/))e[e.length]={type:this.COMMAND,text:RegExp.$1},t=t.substr(RegExp.$1.length);else{if(!t.match(/^(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)/))return console.error("Unrecognized segment command: "+t),[];e[e.length]={type:this.NUMBER,text:""+parseFloat(RegExp.$1)},t=t.substr(RegExp.$1.length)}return e[e.length]={type:this.EOD,text:""},e},t.prototype.parseData=function(t){var e=this.tokenize(t),i=0,r=e[i],n="BOD";for(this.segments=new Array;!l(r,this.EOD);){var s=void 0,a=new Array;if("BOD"===n){if("M"!==r.text&&"m"!==r.text)return void this.parseData("M0,0"+t);i++,s=u[r.text],n=r.text}else l(r,this.NUMBER)?s=u[n]:(i++,s=u[r.text],n=r.text);if(i+s<e.length){for(var o=i;o<i+s;o++){var h=e[o];if(!l(h,this.NUMBER))return void console.error("Parameter type is not a number: "+n+","+h.text);a[a.length]=+h.text}if("number"!=typeof u[n])return void console.error("Unsupported segment type: "+n);var c={key:n,data:a};this.segments.push(c),r=e[i+=s],"M"===n&&(n="L"),"m"===n&&(n="l")}else console.error("Path data ended before all parameters were found")}},Object.defineProperty(t.prototype,"closed",{get:function(){if(void 0===this._closed){this._closed=!1;for(var t=0,e=this.segments;t<e.length;t++){"z"===e[t].key.toLowerCase()&&(this._closed=!0)}}return this._closed},enumerable:!0,configurable:!0}),t.prototype.processPoints=function(){for(var t=null,e=[0,0],i=0;i<this.segments.length;i++){var r=this.segments[i];switch(r.key){case"M":case"L":case"T":r.point=[r.data[0],r.data[1]];break;case"m":case"l":case"t":r.point=[r.data[0]+e[0],r.data[1]+e[1]];break;case"H":r.point=[r.data[0],e[1]];break;case"h":r.point=[r.data[0]+e[0],e[1]];break;case"V":r.point=[e[0],r.data[0]];break;case"v":r.point=[e[0],r.data[0]+e[1]];break;case"z":case"Z":t&&(r.point=[t[0],t[1]]);break;case"C":r.point=[r.data[4],r.data[5]];break;case"c":r.point=[r.data[4]+e[0],r.data[5]+e[1]];break;case"S":r.point=[r.data[2],r.data[3]];break;case"s":r.point=[r.data[2]+e[0],r.data[3]+e[1]];break;case"Q":r.point=[r.data[2],r.data[3]];break;case"q":r.point=[r.data[2]+e[0],r.data[3]+e[1]];break;case"A":r.point=[r.data[5],r.data[6]];break;case"a":r.point=[r.data[5]+e[0],r.data[6]+e[1]]}"m"!==r.key&&"M"!==r.key||(t=null),r.point&&(e=r.point,t||(t=r.point)),"z"!==r.key&&"Z"!==r.key||(t=null)}},t}(),f=function(){function t(t){this._position=[0,0],this._first=null,this.bezierReflectionPoint=null,this.quadReflectionPoint=null,this.parsed=new p(t)}return Object.defineProperty(t.prototype,"segments",{get:function(){return this.parsed.segments},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"closed",{get:function(){return this.parsed.closed},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"linearPoints",{get:function(){if(!this._linearPoints){for(var t=[],e=[],i=0,r=this.parsed.segments;i<r.length;i++){var n=r[i],s=n.key.toLowerCase();("m"!==s&&"z"!==s||(e.length&&(t.push(e),e=[]),"z"!==s))&&(n.point&&e.push(n.point))}e.length&&(t.push(e),e=[]),this._linearPoints=t}return this._linearPoints},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"first",{get:function(){return this._first},set:function(t){this._first=t},enumerable:!0,configurable:!0}),t.prototype.setPosition=function(t,e){this._position=[t,e],this._first||(this._first=[t,e])},Object.defineProperty(t.prototype,"position",{get:function(){return this._position},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"x",{get:function(){return this._position[0]},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"y",{get:function(){return this._position[1]},enumerable:!0,configurable:!0}),t}(),d=function(){function t(t,e,i,r,n,s){if(this._segIndex=0,this._numSegs=0,this._rx=0,this._ry=0,this._sinPhi=0,this._cosPhi=0,this._C=[0,0],this._theta=0,this._delta=0,this._T=0,this._from=t,t[0]!==e[0]||t[1]!==e[1]){var a=Math.PI/180;this._rx=Math.abs(i[0]),this._ry=Math.abs(i[1]),this._sinPhi=Math.sin(r*a),this._cosPhi=Math.cos(r*a);var o=this._cosPhi*(t[0]-e[0])/2+this._sinPhi*(t[1]-e[1])/2,h=-this._sinPhi*(t[0]-e[0])/2+this._cosPhi*(t[1]-e[1])/2,c=0,l=this._rx*this._rx*this._ry*this._ry-this._rx*this._rx*h*h-this._ry*this._ry*o*o;if(l<0){var u=Math.sqrt(1-l/(this._rx*this._rx*this._ry*this._ry));this._rx=this._rx*u,this._ry=this._ry*u,c=0}else c=(n===s?-1:1)*Math.sqrt(l/(this._rx*this._rx*h*h+this._ry*this._ry*o*o));var p=c*this._rx*h/this._ry,f=-c*this._ry*o/this._rx;this._C=[0,0],this._C[0]=this._cosPhi*p-this._sinPhi*f+(t[0]+e[0])/2,this._C[1]=this._sinPhi*p+this._cosPhi*f+(t[1]+e[1])/2,this._theta=this.calculateVectorAngle(1,0,(o-p)/this._rx,(h-f)/this._ry);var d=this.calculateVectorAngle((o-p)/this._rx,(h-f)/this._ry,(-o-p)/this._rx,(-h-f)/this._ry);!s&&d>0?d-=2*Math.PI:s&&d<0&&(d+=2*Math.PI),this._numSegs=Math.ceil(Math.abs(d/(Math.PI/2))),this._delta=d/this._numSegs,this._T=8/3*Math.sin(this._delta/4)*Math.sin(this._delta/4)/Math.sin(this._delta/2)}}return t.prototype.getNextSegment=function(){if(this._segIndex===this._numSegs)return null;var t=Math.cos(this._theta),e=Math.sin(this._theta),i=this._theta+this._delta,r=Math.cos(i),n=Math.sin(i),s=[this._cosPhi*this._rx*r-this._sinPhi*this._ry*n+this._C[0],this._sinPhi*this._rx*r+this._cosPhi*this._ry*n+this._C[1]],a=[this._from[0]+this._T*(-this._cosPhi*this._rx*e-this._sinPhi*this._ry*t),this._from[1]+this._T*(-this._sinPhi*this._rx*e+this._cosPhi*this._ry*t)],o=[s[0]+this._T*(this._cosPhi*this._rx*n+this._sinPhi*this._ry*r),s[1]+this._T*(this._sinPhi*this._rx*n-this._cosPhi*this._ry*r)];return this._theta=i,this._from=[s[0],s[1]],this._segIndex++,{cp1:a,cp2:o,to:s}},t.prototype.calculateVectorAngle=function(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return s>=n?s-n:2*Math.PI-(n-s)},t}(),y=function(){function t(t,e){this.sets=t,this.closed=e}return t.prototype.fit=function(t){for(var e=[],i=0,r=this.sets;i<r.length;i++){var 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t.prototype.isUndefined=function(){return this._undefined},t.prototype.intersects=function(t){if(this.isUndefined()||t.isUndefined())return!1;var e=Number.MAX_VALUE,i=Number.MAX_VALUE,r=0,n=0,s=this.a,a=this.b,o=this.c;return Math.abs(a)>1e-5&&(e=-s/a,r=-o/a),Math.abs(t.b)>1e-5&&(i=-t.a/t.b,n=-t.c/t.b),e===Number.MAX_VALUE?i===Number.MAX_VALUE?-o/s==-t.c/t.a&&(this.py1>=Math.min(t.py1,t.py2)&&this.py1<=Math.max(t.py1,t.py2)?(this.xi=this.px1,this.yi=this.py1,!0):this.py2>=Math.min(t.py1,t.py2)&&this.py2<=Math.max(t.py1,t.py2)&&(this.xi=this.px2,this.yi=this.py2,!0)):(this.xi=this.px1,this.yi=i*this.xi+n,!((this.py1-this.yi)*(this.yi-this.py2)<-1e-5||(t.py1-this.yi)*(this.yi-t.py2)<-1e-5)&&(!(Math.abs(t.a)<1e-5)||!((t.px1-this.xi)*(this.xi-t.px2)<-1e-5))):i===Number.MAX_VALUE?(this.xi=t.px1,this.yi=e*this.xi+r,!((t.py1-this.yi)*(this.yi-t.py2)<-1e-5||(this.py1-this.yi)*(this.yi-this.py2)<-1e-5)&&(!(Math.abs(s)<1e-5)||!((this.px1-this.xi)*(this.xi-this.px2)<-1e-5))):e===i?r===n&&(this.px1>=Math.min(t.px1,t.px2)&&this.px1<=Math.max(t.py1,t.py2)?(this.xi=this.px1,this.yi=this.py1,!0):this.px2>=Math.min(t.px1,t.px2)&&this.px2<=Math.max(t.px1,t.px2)&&(this.xi=this.px2,this.yi=this.py2,!0)):(this.xi=(n-r)/(e-i),this.yi=e*this.xi+r,!((this.px1-this.xi)*(this.xi-this.px2)<-1e-5||(t.px1-this.xi)*(this.xi-t.px2)<-1e-5))},t}(),v=function(){function 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g([e,r],[i,n]);this.sLeft&&s.intersects(this.sLeft)&&(e=s.xi,r=s.yi),this.sRight&&s.intersects(this.sRight)&&(i=s.xi,n=s.yi),this.tanAngle>0&&(e=this.right-(e-this.left),i=this.right-(i-this.left));t=[e,r,i,n];return this.pos+=this.hGap,t}}return null},t}();function b(t){var e=t[0],i=t[1];return Math.sqrt(Math.pow(e[0]-i[0],2)+Math.pow(e[1]-i[1],2))}function m(t,e){for(var i=[],r=new g([t[0],t[1]],[t[2],t[3]]),n=0;n<e.length;n++){var s=new g(e[n],e[(n+1)%e.length]);r.intersects(s)&&i.push([r.xi,r.yi])}return i}function w(t,e,i,r,n,s,a){return[-i*s-r*n+i+s*t+n*e,a*(i*n-r*s)+r+-a*n*t+a*s*e]}function x(t,e){var i=[];if(t&&t.length){for(var r=t[0][0],n=t[0][0],s=t[0][1],a=t[0][1],o=1;o<t.length;o++)r=Math.min(r,t[o][0]),n=Math.max(n,t[o][0]),s=Math.min(s,t[o][1]),a=Math.max(a,t[o][1]);var h=e.hachureAngle,c=e.hachureGap;c<0&&(c=4*e.strokeWidth),c=Math.max(c,.1);for(var l=h%180*(Math.PI/180),u=Math.cos(l),p=Math.sin(l),f=Math.tan(l),d=new v(s-1,a+1,r-1,n+1,c,p,u,f),y=void 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p=r*(u+1),f=p*Math.sin(l),d=p*Math.cos(l),y=[o[0][0]-d,o[0][1]+f],g=this.helper.randOffsetWithRange(y[0]-r/4,y[0]+r/4,e),v=this.helper.randOffsetWithRange(y[1]-r/4,y[1]+r/4,e),m=this.helper.ellipse(g,v,n,n,e);i=i.concat(m.ops)}return{type:"fillSketch",ops:i}},t}(),O={};function A(t,e){var i=t.fillStyle||"hachure";if(!O[i])switch(i){case"zigzag":O[i]||(O[i]=new M(e));break;case"cross-hatch":O[i]||(O[i]=new k(e));break;case"dots":O[i]||(O[i]=new S(e));break;case"hachure":default:O[i="hachure"]||(O[i]=new P(e))}return O[i]}var T={randOffset:W,randOffsetWithRange:D,ellipse:L,doubleLineOps:z};function E(t,e,i,r,n){return{type:"path",ops:q(t,e,i,r,n)}}function C(t,e,i){var r=(t||[]).length;if(r>2){for(var n=[],s=0;s<r-1;s++)n=n.concat(q(t[s][0],t[s][1],t[s+1][0],t[s+1][1],i));return e&&(n=n.concat(q(t[r-1][0],t[r-1][1],t[0][0],t[0][1],i))),{type:"path",ops:n}}return 2===r?E(t[0][0],t[0][1],t[1][0],t[1][1],i):{type:"path",ops:[]}}function R(t,e){return C(t,!0,e)}function L(t,e,i,r,n){var 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h=t[o];s[0]=[h[0],h[1]],s[1]=[h[0]+(a*t[o+1][0]-a*t[o-1][0])/6,h[1]+(a*t[o+1][1]-a*t[o-1][1])/6],s[2]=[t[o+1][0]+(a*t[o][0]-a*t[o+2][0])/6,t[o+1][1]+(a*t[o][1]-a*t[o+2][1])/6],s[3]=[t[o+1][0],t[o+1][1]],n.push({op:"bcurveTo",data:[s[1][0],s[1][1],s[2][0],s[2][1],s[3][0],s[3][1]]})}if(e&&2===e.length){var c=i.maxRandomnessOffset;n.push({op:"lineTo",data:[e[0]+I(c,i),e[1]+I(c,i)]})}}else 3===r?(n.push({op:"move",data:[t[1][0],t[1][1]]}),n.push({op:"bcurveTo",data:[t[1][0],t[1][1],t[2][0],t[2][1],t[2][0],t[2][1]]})):2===r&&(n=n.concat(q(t[0][0],t[0][1],t[1][0],t[1][1],i)));return n}function V(t,e,i,r,n,s,a,o){var h=I(.5,o)-Math.PI/2,c=[];c.push([I(s,o)+e+.9*r*Math.cos(h-t),I(s,o)+i+.9*n*Math.sin(h-t)]);for(var l=h;l<2*Math.PI+h-.01;l+=t)c.push([I(s,o)+e+r*Math.cos(l),I(s,o)+i+n*Math.sin(l)]);return 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