bezier-js - npm Package Compare versions

Comparing version 2.2.0 to 2.2.1

bezier.js

@@ -1,1 +0,1 @@
-var Bezier=function(t){function n(i){if(r[i])return r[i].exports;var e=r[i]={exports:{},id:i,loaded:!1};return t[i].call(e.exports,e,e.exports,n),e.loaded=!0,e.exports}var r={};return n.m=t,n.c=r,n.p="",n(0)}([function(t,n,r){"use strict";t.exports=r(1)},function(t,n,r){"use strict";var i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol?"symbol":typeof t};!function(){function n(t,n,r,i,e){"undefined"==typeof e&&(e=.5);var o=h.projectionratio(e,t),s=1-o,u={x:o*n.x+s*i.x,y:o*n.y+s*i.y},a=h.abcratio(e,t),f={x:r.x+(r.x-u.x)/a,y:r.y+(r.y-u.y)/a};return{A:f,B:r,C:u}}var e=Math.abs,o=Math.min,s=Math.max,u=Math.acos,a=Math.sqrt,f=Math.PI,c={x:0,y:0,z:0},h=r(2),x=r(3),y=function(t){var n=t&&t.forEach?t:[].slice.call(arguments),r=!1;if("object"===i(n[0])){r=n.length;var o=[];n.forEach(function(t){["x","y","z"].forEach(function(n){"undefined"!=typeof t[n]&&o.push(t[n])})}),n=o}var s=!1,u=n.length;if(r){if(r>4){if(1!==arguments.length)throw new Error("Only new Bezier(point[]) is accepted for 4th and higher order curves");s=!0}}else if(6!==u&&8!==u&&9!==u&&12!==u&&1!==arguments.length)throw new Error("Only new Bezier(point[]) is accepted for 4th and higher order curves");var a=!s&&(9===u||12===u)||t&&t[0]&&"undefined"!=typeof t[0].z;this._3d=a;for(var f=[],c=0,x=a?3:2;u>c;c+=x){var y={x:n[c],y:n[c+1]};a&&(y.z=n[c+2]),f.push(y)}this.order=f.length-1,this.points=f;var p=["x","y"];a&&p.push("z"),this.dims=p,this.dimlen=p.length,function(t){for(var n=t.order,r=t.points,i=h.align(r,{p1:r[0],p2:r[n]}),o=0;o<i.length;o++)if(e(i[o].y)>1e-4)return void(t._linear=!1);t._linear=!0}(this),this._t1=0,this._t2=1,this.update()};y.fromSVG=function(t){var n=t.match(/[-+]?\d*\.?\d+(?:[eE][-+]?\d+)?/g).map(parseFloat),r=/[cq]/.test(t);return r?(n=n.map(function(t,r){return 2>r?t:t+n[r%2]}),new y(n)):new y(n)},y.quadraticFromPoints=function(t,r,i,e){if("undefined"==typeof e&&(e=.5),0===e)return new y(r,r,i);if(1===e)return new y(t,r,r);var o=n(2,t,r,i,e);return new y(t,o.A,i)},y.cubicFromPoints=function(t,r,i,e,o){"undefined"==typeof e&&(e=.5);var s=n(3,t,r,i,e);"undefined"==typeof o&&(o=h.dist(r,s.C));var u=o*(1-e)/e,a=h.dist(t,i),f=(i.x-t.x)/a,c=(i.y-t.y)/a,x=o*f,p=o*c,l=u*f,v=u*c,d={x:r.x-x,y:r.y-p},m={x:r.x+l,y:r.y+v},g=s.A,z={x:g.x+(d.x-g.x)/(1-e),y:g.y+(d.y-g.y)/(1-e)},b={x:g.x+(m.x-g.x)/e,y:g.y+(m.y-g.y)/e},_={x:t.x+(z.x-t.x)/e,y:t.y+(z.y-t.y)/e},w={x:i.x+(b.x-i.x)/(1-e),y:i.y+(b.y-i.y)/(1-e)};return new y(t,_,w,i)};var p=function(){return h};y.getUtils=p,y.prototype={getUtils:p,valueOf:function(){return this.toString()},toString:function(){return h.pointsToString(this.points)},toSVG:function(t){if(this._3d)return!1;for(var n=this.points,r=n[0].x,i=n[0].y,e=["M",r,i,2===this.order?"Q":"C"],o=1,s=n.length;s>o;o++)e.push(n[o].x),e.push(n[o].y);return e.join(" ")},update:function(){this.dpoints=[];for(var t=this.points,n=t.length,r=n-1;n>1;n--,r--){for(var i,e=[],o=0;r>o;o++)i={x:r*(t[o+1].x-t[o].x),y:r*(t[o+1].y-t[o].y)},this._3d&&(i.z=r*(t[o+1].z-t[o].z)),e.push(i);this.dpoints.push(e),t=e}this.computedirection()},computedirection:function(){var t=this.points,n=h.angle(t[0],t[this.order],t[1]);this.clockwise=n>0},length:function(){return h.length(this.derivative.bind(this))},_lut:[],getLUT:function(t){if(t=t||100,this._lut.length===t)return this._lut;this._lut=[];for(var n=0;t>=n;n++)this._lut.push(this.compute(n/t));return this._lut},on:function(t,n){n=n||5;for(var r,i=this.getLUT(),e=[],o=0,s=0;s<i.length;s++)r=i[s],h.dist(r,t)<n&&(e.push(r),o+=s/i.length);return e.length?o/=e.length:!1},project:function(t){var n=this.getLUT(),r=n.length-1,i=h.closest(n,t),e=i.mdist,o=i.mpos;if(0===o||o===r){var s=o/r,u=this.compute(s);return u.t=s,u.d=e,u}var a,s,f,c,x=(o-1)/r,y=(o+1)/r,p=.1/r;for(e+=1,s=x,a=s;y+p>s;s+=p)f=this.compute(s),c=h.dist(t,f),e>c&&(e=c,a=s);return f=this.compute(a),f.t=a,f.d=e,f},get:function(t){return this.compute(t)},point:function(t){return this.points[t]},compute:function(t){if(0===t)return this.points[0];if(1===t)return this.points[this.order];var n=this.points,r=1-t;if(1===this.order)return f={x:r*n[0].x+t*n[1].x,y:r*n[0].y+t*n[1].y},this._3d&&(f.z=r*n[0].z+t*n[1].z),f;if(this.order<4){var i,e,o,s=r*r,u=t*t,a=0;2===this.order?(n=[n[0],n[1],n[2],c],i=s,e=r*t*2,o=u):3===this.order&&(i=s*r,e=s*t*3,o=r*u*3,a=t*u);var f={x:i*n[0].x+e*n[1].x+o*n[2].x+a*n[3].x,y:i*n[0].y+e*n[1].y+o*n[2].y+a*n[3].y};return this._3d&&(f.z=i*n[0].z+e*n[1].z+o*n[2].z+a*n[3].z),f}for(var h=JSON.parse(JSON.stringify(this.points));h.length>1;){for(var x=0;x<h.length-1;x++)h[x]={x:h[x].x+(h[x+1].x-h[x].x)*t,y:h[x].y+(h[x+1].y-h[x].y)*t},"undefined"!=typeof h[x].z&&(h[x]=h[x].z+(h[x+1].z-h[x].z)*t);h.splice(h.length-1,1)}return h[0]},raise:function(){for(var t,n,r,i=this.points,e=[i[0]],o=i.length,t=1;o>t;t++)n=i[t],r=i[t-1],e[t]={x:(o-t)/o*n.x+t/o*r.x,y:(o-t)/o*n.y+t/o*r.y};return e[o]=i[o-1],new y(e)},derivative:function(t){var n,r,i=1-t,e=0,o=this.dpoints[0];2===this.order&&(o=[o[0],o[1],c],n=i,r=t),3===this.order&&(n=i*i,r=i*t*2,e=t*t);var s={x:n*o[0].x+r*o[1].x+e*o[2].x,y:n*o[0].y+r*o[1].y+e*o[2].y};return this._3d&&(s.z=n*o[0].z+r*o[1].z+e*o[2].z),s},inflections:function(){return h.inflections(this.points)},normal:function(t){return this._3d?this.__normal3(t):this.__normal2(t)},__normal2:function(t){var n=this.derivative(t),r=a(n.x*n.x+n.y*n.y);return{x:-n.y/r,y:n.x/r}},__normal3:function(t){var n=this.derivative(t),r=this.derivative(t+.01),i=a(n.x*n.x+n.y*n.y+n.z*n.z),e=a(r.x*r.x+r.y*r.y+r.z*r.z);n.x/=i,n.y/=i,n.z/=i,r.x/=e,r.y/=e,r.z/=e;var o={x:r.y*n.z-r.z*n.y,y:r.z*n.x-r.x*n.z,z:r.x*n.y-r.y*n.x},s=a(o.x*o.x+o.y*o.y+o.z*o.z);o.x/=s,o.y/=s,o.z/=s;var u=[o.x*o.x,o.x*o.y-o.z,o.x*o.z+o.y,o.x*o.y+o.z,o.y*o.y,o.y*o.z-o.x,o.x*o.z-o.y,o.y*o.z+o.x,o.z*o.z],f={x:u[0]*n.x+u[1]*n.y+u[2]*n.z,y:u[3]*n.x+u[4]*n.y+u[5]*n.z,z:u[6]*n.x+u[7]*n.y+u[8]*n.z};return f},hull:function(t){var n,r=this.points,i=[],e=[],o=0,s=0,u=0;for(e[o++]=r[0],e[o++]=r[1],e[o++]=r[2],3===this.order&&(e[o++]=r[3]);r.length>1;){for(i=[],s=0,u=r.length-1;u>s;s++)n=h.lerp(t,r[s],r[s+1]),e[o++]=n,i.push(n);r=i}return e},split:function(t,n){if(0===t&&n)return this.split(n).left;if(1===n)return this.split(t).right;var r=this.hull(t),i={left:new y(2===this.order?[r[0],r[3],r[5]]:[r[0],r[4],r[7],r[9]]),right:new y(2===this.order?[r[5],r[4],r[2]]:[r[9],r[8],r[6],r[3]]),span:r};if(i.left._t1=h.map(0,0,1,this._t1,this._t2),i.left._t2=h.map(t,0,1,this._t1,this._t2),i.right._t1=h.map(t,0,1,this._t1,this._t2),i.right._t2=h.map(1,0,1,this._t1,this._t2),!n)return i;n=h.map(n,t,1,0,1);var e=i.right.split(n);return e.left},extrema:function(){var t,n,r=this.dims,i={},e=[];return r.forEach(function(r){n=function(t){return t[r]},t=this.dpoints[0].map(n),i[r]=h.droots(t),3===this.order&&(t=this.dpoints[1].map(n),i[r]=i[r].concat(h.droots(t))),i[r]=i[r].filter(function(t){return t>=0&&1>=t}),e=e.concat(i[r].sort())}.bind(this)),e=e.sort().filter(function(t,n){return e.indexOf(t)===n}),i.values=e,i},bbox:function(){var t=this.extrema(),n={};return this.dims.forEach(function(r){n[r]=h.getminmax(this,r,t[r])}.bind(this)),n},overlaps:function(t){var n=this.bbox(),r=t.bbox();return h.bboxoverlap(n,r)},offset:function(t,n){if("undefined"!=typeof n){var r=this.get(t),i=this.normal(t),e={c:r,n:i,x:r.x+i.x*n,y:r.y+i.y*n};return this._3d&&(e.z=r.z+i.z*n),e}if(this._linear){var o=this.normal(0),s=this.points.map(function(n){var r={x:n.x+t*o.x,y:n.y+t*o.y};return n.z&&i.z&&(r.z=n.z+t*o.z),r});return[new y(s)]}var u=this.reduce();return u.map(function(n){return n.scale(t)})},simple:function(){if(3===this.order){var t=h.angle(this.points[0],this.points[3],this.points[1]),n=h.angle(this.points[0],this.points[3],this.points[2]);if(t>0&&0>n||0>t&&n>0)return!1}var r=this.normal(0),i=this.normal(1),o=r.x*i.x+r.y*i.y;this._3d&&(o+=r.z*i.z);var s=e(u(o));return f/3>s},reduce:function(){var t,n,r=0,i=0,o=.01,s=[],u=[],a=this.extrema().values;for(-1===a.indexOf(0)&&(a=[0].concat(a)),-1===a.indexOf(1)&&a.push(1),r=a[0],t=1;t<a.length;t++)i=a[t],n=this.split(r,i),n._t1=r,n._t2=i,s.push(n),r=i;return s.forEach(function(t){for(r=0,i=0;1>=i;)for(i=r+o;1+o>=i;i+=o)if(n=t.split(r,i),!n.simple()){if(i-=o,e(r-i)<o)return[];n=t.split(r,i),n._t1=h.map(r,0,1,t._t1,t._t2),n._t2=h.map(i,0,1,t._t1,t._t2),u.push(n),r=i;break}1>r&&(n=t.split(r,1),n._t1=h.map(r,0,1,t._t1,t._t2),n._t2=t._t2,u.push(n))}),u},scale:function(t){var n=this.order,r=!1;if("function"==typeof t&&(r=t),r&&2===n)return this.raise().scale(r);var i=this.clockwise,e=r?r(0):t,o=r?r(1):t,s=[this.offset(0,10),this.offset(1,10)],u=h.lli4(s[0],s[0].c,s[1],s[1].c);if(!u)throw new Error("cannot scale this curve. Try reducing it first.");var f=this.points,c=[];return[0,1].forEach(function(t){var r=c[t*n]=h.copy(f[t*n]);r.x+=(t?o:e)*s[t].n.x,r.y+=(t?o:e)*s[t].n.y}.bind(this)),r?([0,1].forEach(function(e){if(2!==this.order||!e){var o=f[e+1],s={x:o.x-u.x,y:o.y-u.y},h=r?r((e+1)/n):t;r&&!i&&(h=-h);var x=a(s.x*s.x+s.y*s.y);s.x/=x,s.y/=x,c[e+1]={x:o.x+h*s.x,y:o.y+h*s.y}}}.bind(this)),new y(c)):([0,1].forEach(function(t){if(2!==this.order||!t){var r=c[t*n],i=this.derivative(t),e={x:r.x+i.x,y:r.y+i.y};c[t+1]=h.lli4(r,e,u,f[t+1])}}.bind(this)),new y(c))},outline:function(t,n,r,i){function e(t,n,r,i,e){return function(o){var s=i/r,u=(i+e)/r,a=n-t;return h.map(o,0,1,t+s*a,t+u*a)}}n="undefined"==typeof n?t:n;var o,s=this.reduce(),u=s.length,a=[],f=[],c=0,y=this.length(),p="undefined"!=typeof r&&"undefined"!=typeof i;s.forEach(function(o){_=o.length(),p?(a.push(o.scale(e(t,r,y,c,_))),f.push(o.scale(e(-n,-i,y,c,_)))):(a.push(o.scale(t)),f.push(o.scale(-n))),c+=_}),f=f.map(function(t){return o=t.points,o[3]?t.points=[o[3],o[2],o[1],o[0]]:t.points=[o[2],o[1],o[0]],t}).reverse();var l=a[0].points[0],v=a[u-1].points[a[u-1].points.length-1],d=f[u-1].points[f[u-1].points.length-1],m=f[0].points[0],g=h.makeline(d,l),z=h.makeline(v,m),b=[g].concat(a).concat([z]).concat(f),_=b.length;return new x(b)},outlineshapes:function(t,n,r){n=n||t;for(var i=this.outline(t,n).curves,e=[],o=1,s=i.length;s/2>o;o++){var u=h.makeshape(i[o],i[s-o],r);u.startcap.virtual=o>1,u.endcap.virtual=s/2-1>o,e.push(u)}return e},intersects:function(t,n){return t?t.p1&&t.p2?this.lineIntersects(t):(t instanceof y&&(t=t.reduce()),this.curveintersects(this.reduce(),t,n)):this.selfintersects(n)},lineIntersects:function(t){var n=o(t.p1.x,t.p2.x),r=o(t.p1.y,t.p2.y),i=s(t.p1.x,t.p2.x),e=s(t.p1.y,t.p2.y),u=this;return h.roots(this.points,t).filter(function(t){var o=u.get(t);return h.between(o.x,n,i)&&h.between(o.y,r,e)})},selfintersects:function(t){var n,r,i,e,o=this.reduce(),s=o.length-2,u=[];for(n=0;s>n;n++)i=o.slice(n,n+1),e=o.slice(n+2),r=this.curveintersects(i,e,t),u=u.concat(r);return u},curveintersects:function(t,n,r){var i=[];t.forEach(function(t){n.forEach(function(n){t.overlaps(n)&&i.push({left:t,right:n})})});var e=[];return i.forEach(function(t){var n=h.pairiteration(t.left,t.right,r);n.length>0&&(e=e.concat(n))}),e},arcs:function(t){t=t||.5;var n=[];return this._iterate(t,n)},_error:function(t,n,r,i){var o=(i-r)/4,s=this.get(r+o),u=this.get(i-o),a=h.dist(t,n),f=h.dist(t,s),c=h.dist(t,u);return e(f-a)+e(c-a)},_iterate:function(t,n){var r,i=0,e=1;do{r=0,e=1;var o,s,u,a,f,c=this.get(i),x=!1,y=!1,p=e,l=1,v=0;do{y=x,a=u,p=(i+e)/2,v++,o=this.get(p),s=this.get(e),u=h.getccenter(c,o,s);var d=this._error(u,c,i,e);if(x=t>=d,f=y&&!x,f||(l=e),x){if(e>=1){l=1,a=u;break}e+=(e-i)/2}else e=p}while(!f&&r++<100);if(r>=100){console.error("arc abstraction somehow failed...");break}a=a?a:u,n.push(a),i=l}while(1>e);return n}},t.exports=y}()},function(t,n,r){"use strict";!function(){var n=Math.abs,i=Math.cos,e=Math.sin,o=Math.acos,s=Math.atan2,u=Math.sqrt,a=Math.pow,f=function(t){return 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i,e,o,s,u,a=["x","y"],f=a.length;for(i=0;f>i;i++)if(e=a[i],o=t[e].mid,s=r[e].mid,u=(t[e].size+r[e].size)/2,n(o-s)>=u)return!1;return!0},expandbox:function(t,n){n.x.min<t.x.min&&(t.x.min=n.x.min),n.y.min<t.y.min&&(t.y.min=n.y.min),n.z&&n.z.min<t.z.min&&(t.z.min=n.z.min),n.x.max>t.x.max&&(t.x.max=n.x.max),n.y.max>t.y.max&&(t.y.max=n.y.max),n.z&&n.z.max>t.z.max&&(t.z.max=n.z.max),t.x.mid=(t.x.min+t.x.max)/2,t.y.mid=(t.y.min+t.y.max)/2,t.z&&(t.z.mid=(t.z.min+t.z.max)/2),t.x.size=t.x.max-t.x.min,t.y.size=t.y.max-t.y.min,t.z&&(t.z.size=t.z.max-t.z.min)},pairiteration:function(t,n,r){var i=t.bbox(),e=n.bbox(),o=1e5,s=r||.5;if(i.x.size+i.y.size<s&&e.x.size+e.y.size<s)return[(o*(t._t1+t._t2)/2|0)/o+"/"+(o*(n._t1+n._t2)/2|0)/o];var u=t.split(.5),a=n.split(.5),f=[{left:u.left,right:a.left},{left:u.left,right:a.right},{left:u.right,right:a.right},{left:u.right,right:a.left}];f=f.filter(function(t){return p.bboxoverlap(t.left.bbox(),t.right.bbox())});var c=[];return 0===f.length?c:(f.forEach(function(t){c=c.concat(p.pairiteration(t.left,t.right,s))}),c=c.filter(function(t,n){return c.indexOf(t)===n}))},getccenter:function(t,n,r){var o,u=n.x-t.x,a=n.y-t.y,f=r.x-n.x,c=r.y-n.y,y=u*i(x)-a*e(x),l=u*e(x)+a*i(x),v=f*i(x)-c*e(x),d=f*e(x)+c*i(x),m=(t.x+n.x)/2,g=(t.y+n.y)/2,z=(n.x+r.x)/2,b=(n.y+r.y)/2,_=m+y,w=g+l,E=z+v,S=b+d,M=p.lli8(m,g,_,w,z,b,E,S),k=p.dist(M,t),O=s(t.y-M.y,t.x-M.x),T=s(n.y-M.y,n.x-M.x),j=s(r.y-M.y,r.x-M.x);return j>O?((O>T||T>j)&&(O+=h),O>j&&(o=j,j=O,O=o)):T>j&&O>T?(o=j,j=O,O=o):j+=h,M.s=O,M.e=j,M.r=k,M}};t.exports=p}()},function(t,n,r){"use strict";!function(){var n=r(2),i=function(t){this.curves=[],this._3d=!1,t&&(this.curves=t,this._3d=this.curves[0]._3d)};i.prototype={valueOf:function(){return this.toString()},toString:function(){return n.pointsToString(this.points)},addCurve:function(t){this.curves.push(t),this._3d=this._3d||t._3d},length:function(){return this.curves.map(function(t){return t.length()}).reduce(function(t,n){return t+n})},curve:function(t){return this.curves[t]},bbox:function e(){for(var t=this.curves,e=t[0].bbox(),r=1;r<t.length;r++)n.expandbox(e,t[r].bbox());return e},offset:function o(t){var o=[];return this.curves.forEach(function(n){o=o.concat(n.offset(t))}),new i(o)}},t.exports=i}()}]);

package.json

 {
   "name": "bezier-js",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A javascript library for working with Bezier curves",
@@ -8,2 +8,3 @@ "main": "./index.js",
     "test": "npm run build && node test",
+    "test:manual": "http-server test/manual",
     "build": "rimraf bezier.js && webpack"
@@ -10,0 +11,0 @@ },

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