perfect-freehand - npm Package Compare versions

Comparing version 1.1.0 to 1.2.0

CHANGELOG.md

 # Changelog
 
+## 1.1.0
+
+- Add `taper: true` for full-length tapers.
+
 ## 1.0.15
@@ -4,0 +8,0 @@

dist/cjs/index.js

@@ -1,1 +0,1 @@
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dist/esm/index.js

@@ -1,1 +0,1 @@
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+function $(e,t,u,x=h=>h){return e*x(.5-t*(.5-u))}function se(e){return[-e[0],-e[1]]}function l(e,t){return[e[0]+t[0],e[1]+t[1]]}function a(e,t){return[e[0]-t[0],e[1]-t[1]]}function b(e,t){return[e[0]*t,e[1]*t]}function he(e,t){return[e[0]/t,e[1]/t]}function R(e){return[e[1],-e[0]]}function B(e,t){return e[0]*t[0]+e[1]*t[1]}function ue(e,t){return e[0]===t[0]&&e[1]===t[1]}function ge(e){return Math.hypot(e[0],e[1])}function de(e){return e[0]*e[0]+e[1]*e[1]}function A(e,t){return de(a(e,t))}function G(e){return he(e,ge(e))}function ie(e,t){return Math.hypot(e[1]-t[1],e[0]-t[0])}function L(e,t,u){let x=Math.sin(u),h=Math.cos(u),y=e[0]-t[0],n=e[1]-t[1],f=y*h-n*x,d=y*x+n*h;return[f+t[0],d+t[1]]}function K(e,t,u){return l(e,b(a(t,e),u))}function ee(e,t,u){return l(e,b(t,u))}var{min:C,PI:xe}=Math,pe=.275,V=xe+1e-4;function ce(e,t={}){let{size:u=16,smoothing:x=.5,thinning:h=.5,simulatePressure:y=!0,easing:n=r=>r,start:f={},end:d={},last:D=!1}=t,{cap:S=!0,easing:j=r=>r*(2-r)}=f,{cap:q=!0,easing:c=r=>--r*r*r+1}=d;if(e.length===0||u<=0)return[];let p=e[e.length-1].runningLength,g=f.taper===!1?0:f.taper===!0?Math.max(u,p):f.taper,T=d.taper===!1?0:d.taper===!0?Math.max(u,p):d.taper,te=Math.pow(u*x,2),_=[],M=[],H=e.slice(0,10).reduce((r,i)=>{let o=i.pressure;if(y){let s=C(1,i.distance/u),W=C(1,1-s);o=C(1,r+(W-r)*(s*pe))}return(r+o)/2},e[0].pressure),m=$(u,h,e[e.length-1].pressure,n),U,X=e[0].vector,z=e[0].point,F=z,O=z,E=F,J=!1;for(let r=0;r<e.length;r++){let{pressure:i}=e[r],{point:o,vector:s,distance:W,runningLength:I}=e[r];if(r<e.length-1&&p-I<3)continue;if(h){if(y){let v=C(1,W/u),Z=C(1,1-v);i=C(1,H+(Z-H)*(v*pe))}m=$(u,h,i,n)}else m=u/2;U===void 0&&(U=m);let le=I<g?j(I/g):1,fe=p-I<T?c((p-I)/T):1;m=Math.max(.01,m*Math.min(le,fe));let re=(r<e.length-1?e[r+1]:e[r]).vector,Y=r<e.length-1?B(s,re):1,be=B(s,X)<0&&!J,ne=Y!==null&&Y<0;if(be||ne){let v=b(R(X),m);for(let Z=1/13,w=0;w<=1;w+=Z)O=L(a(o,v),o,V*w),_.push(O),E=L(l(o,v),o,V*-w),M.push(E);z=O,F=E,ne&&(J=!0);continue}if(J=!1,r===e.length-1){let v=b(R(s),m);_.push(a(o,v)),M.push(l(o,v));continue}let oe=b(R(K(re,s,Y)),m);O=a(o,oe),(r<=1||A(z,O)>te)&&(_.push(O),z=O),E=l(o,oe),(r<=1||A(F,E)>te)&&(M.push(E),F=E),H=i,X=s}let P=e[0].point.slice(0,2),k=e.length>1?e[e.length-1].point.slice(0,2):l(e[0].point,[1,1]),Q=[],N=[];if(e.length===1){if(!(g||T)||D){let r=ee(P,G(R(a(P,k))),-(U||m)),i=[];for(let o=1/13,s=o;s<=1;s+=o)i.push(L(r,P,V*2*s));return i}}else{if(!(g||T&&e.length===1))if(S)for(let i=1/13,o=i;o<=1;o+=i){let s=L(M[0],P,V*o);Q.push(s)}else{let i=a(_[0],M[0]),o=b(i,.5),s=b(i,.51);Q.push(a(P,o),a(P,s),l(P,s),l(P,o))}let r=R(se(e[e.length-1].vector));if(T||g&&e.length===1)N.push(k);else if(q){let i=ee(k,r,m);for(let o=1/29,s=o;s<1;s+=o)N.push(L(i,k,V*3*s))}else N.push(l(k,b(r,m)),l(k,b(r,m*.99)),a(k,b(r,m*.99)),a(k,b(r,m)))}return _.concat(N,M.reverse(),Q)}function me(e,t={}){var q;let{streamline:u=.5,size:x=16,last:h=!1}=t;if(e.length===0)return[];let y=.15+(1-u)*.85,n=Array.isArray(e[0])?e:e.map(({x:c,y:p,pressure:g=.5})=>[c,p,g]);if(n.length===2){let c=n[1];n=n.slice(0,-1);for(let p=1;p<5;p++)n.push(K(n[0],c,p/4))}n.length===1&&(n=[...n,[...l(n[0],[1,1]),...n[0].slice(2)]]);let f=[{point:[n[0][0],n[0][1]],pressure:n[0][2]>=0?n[0][2]:.25,vector:[1,1],distance:0,runningLength:0}],d=!1,D=0,S=f[0],j=n.length-1;for(let c=1;c<n.length;c++){let p=h&&c===j?n[c].slice(0,2):K(S.point,n[c],y);if(ue(S.point,p))continue;let g=ie(p,S.point);if(D+=g,c<j&&!d){if(D<x)continue;d=!0}S={point:p,pressure:n[c][2]>=0?n[c][2]:.5,vector:G(a(S.point,p)),distance:g,runningLength:D},f.push(S)}return f[0].vector=((q=f[1])==null?void 0:q.vector)||[0,0],f}function ae(e,t={}){return ce(me(e,t),t)}var _e=ae;export{_e as default,ae as getStroke,ce as getStrokeOutlinePoints,me as getStrokePoints};

package.json

 {
-  "version": "1.1.0",
+  "version": "1.2.0",
   "name": "perfect-freehand",
@@ -24,2 +24,9 @@ "private": false,
   ],
+  "exports": {
+    ".": {
+      "types": "./dist/types/index.d.ts",
+      "require": "./dist/cjs/index.js",
+      "import": "./dist/esm/index.js"
+    }
+  },
   "license": "MIT",
@@ -59,4 +66,3 @@ "main": "./dist/cjs/index.js",
     "typescript": "^4.4.2"
-  },
-  "gitHead": "87687e099ca8e0e5864a2b87a56c4c09e57da369"
+  }
 }

README.md

@@ -265,16 +265,26 @@ # ![Screenshot](assets/perfect-freehand-logo.svg 'Perfect Freehand')
 ```js
+const average = (a, b) => (a + b) / 2
+
 function getSvgPathFromStroke(stroke) {
-  if (!stroke.length) return ''
+  const len = points.length
 
-  const d = stroke.reduce(
-    (acc, [x0, y0], i, arr) => {
-      const [x1, y1] = arr[(i + 1) % arr.length]
-      acc.push(x0, y0, (x0 + x1) / 2, (y0 + y1) / 2)
-      return acc
-    },
-    ['M', ...stroke[0], 'Q']
-  )
+  if (!len) {
+    return ''
+  }
 
-  d.push('Z')
-  return d.join(' ')
+  const first = points[0]
+  let result = `M${first[0].toFixed(3)},${first[1].toFixed(3)}Q`
+
+  for (let i = 0, max = len - 1; i < max; i++) {
+    const a = points[i]
+    const b = points[i + 1]
+    result += `${a[0].toFixed(3)},${a[1].toFixed(3)} ${average(
+      a[0],
+      b[0]
+    ).toFixed(3)},${average(a[1], b[1]).toFixed(3)} `
+  }
+
+  result += 'Z'
+
+  return result
 }
@@ -281,0 +291,0 @@ ```

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Improved metrics

Total package byte prevSize

32035

increased by1.69%

Lines of code

137

increased by0.74%

Number of lines in readme file

366

increased by2.81%

No dependency changes