modern-font/dist/index.js

JavaScript Font Codec.

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e="";for(let t=0,i=s.length;t<i;t+=2)e+=String.fromCharCode((s[t]<<8)+s[t+1]);return e}var dr=Object.defineProperty,J=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&dr(e,t,r),r};const He={int8:1,int16:2,int32:4,uint8:1,uint16:2,uint32:4,float32:4,float64:8,fixed:4,longDateTime:8,char:1};function ee(){return function(s,e){Object.defineProperty(s.constructor.prototype,e,{get(){if(typeof e=="string"){if(e.startsWith("read"))return(...t)=>this.read(e.substring(4).toLowerCase(),...t);if(e.startsWith("write"))return(...t)=>this.write(e.substring(5).toLowerCase(),...t)}},configurable:!0,enumerable:!0})}}class K extends DataView{constructor(e,t,i,r){super(hr(e),t,i),this.littleEndian=r}cursor=0;readColumn(e){if(e.size){const t=Array.from({length:e.size},(i,r)=>this.read(e.type,e.offset+r));switch(e.type){case"char":return t.join("");default:return t}}else return 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gr=te;var yr=Object.defineProperty,rt=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&yr(e,t,r),r};class Ge extends he{constructor(e,t){super(e,t,16)}}rt([l({type:"char",size:4})],Ge.prototype,"tag"),rt([l("uint32")],Ge.prototype,"checkSum"),rt([l("uint32")],Ge.prototype,"offset"),rt([l("uint32")],Ge.prototype,"length");const 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h=t.readUint8();for(r=1,i=0;i<h;i+=1){const u=t.readUint8(),d=t.readUint8();for(let g=u;g<=u+d;g+=1)n[g]=r,r+=1}}else console.warn(`unknown encoding format:${a}`);return n}_calcSubroutineBias(e){let t;return e.length<1240?t=107:e.length<33900?t=1131:t=32768,t}},Ne([l("uint8")],o.Cff.prototype,"majorVersion",2),Ne([l("uint8")],o.Cff.prototype,"minorVersion",2),Ne([l("uint8")],o.Cff.prototype,"headerSize",2),Ne([l("uint8")],o.Cff.prototype,"offsetSize",2),o.Cff=Ne([Q("CFF ","cff")],o.Cff);var Mr=Object.defineProperty,ot=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&Mr(e,t,r),r};const Re=class or extends he{constructor(e=new ArrayBuffer(262),t){super(e,t,262)}static from(e){const t=new or;return t.format=0,t.length=t.view.byteLength,t.language=0,e.forEach((i,r)=>{r<256&&i<256&&t.view.writeUint8(i,6+r)}),t}getUnicodeToGlyphIndexMap(){const e=new Map;return this.glyphIndexArray.forEach((t,i)=>{e.set(i,t)}),e}};ot([l("uint16")],Re.prototype,"format"),ot([l("uint16")],Re.prototype,"length"),ot([l("uint16")],Re.prototype,"language"),ot([l({type:"uint8",size:256})],Re.prototype,"glyphIndexArray");let gt=Re;var Pr=Object.defineProperty,yt=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&Pr(e,t,r),r};class ze extends he{get subHeaderKeys(){return this.view.seek(6),Array.from({length:256},()=>this.view.readUint16()/8)}get maxSubHeaderKey(){return this.subHeaderKeys.reduce((e,t)=>Math.max(e,t),0)}get subHeaders(){const e=this.maxSubHeaderKey;return this.view.seek(6+256*2),Array.from({length:e},(t,i)=>({firstCode:this.view.readUint16(),entryCount:this.view.readUint16(),idDelta:this.view.readUint16(),idRangeOffset:(this.view.readUint16()-(e-i)*8-2)/2}))}get glyphIndexArray(){const e=this.maxSubHeaderKey,t=6+256*2+e*8;this.view.seek(t);const i=(this.view.byteLength-t)/2;return Array.from({length:i},()=>this.view.readUint16())}getUnicodeToGlyphIndexMap(e){const t=new Map,i=this.subHeaderKeys,r=this.maxSubHeaderKey,n=this.subHeaders,a=this.glyphIndexArray,h=i.findIndex(d=>d===r);let u=0;for(let d=0;d<256;d++)if(i[d]===0)d>=h||d<n[0].firstCode||d>=n[0].firstCode+n[0].entryCount||n[0].idRangeOffset+(d-n[0].firstCode)>=a.length?u=0:(u=a[n[0].idRangeOffset+(d-n[0].firstCode)],u!==0&&(u=u+n[0].idDelta)),u!==0&&u<e&&t.set(d,u);else{const g=i[d];for(let c=0,m=n[g].entryCount;c<m;c++)if(n[g].idRangeOffset+c>=a.length?u=0:(u=a[n[g].idRangeOffset+c],u!==0&&(u=u+n[g].idDelta)),u!==0&&u<e){const p=(d<<8|c+n[g].firstCode)%65535;t.set(p,u)}}return t}}yt([l("uint16")],ze.prototype,"format"),yt([l("uint16")],ze.prototype,"length"),yt([l("uint16")],ze.prototype,"language");function $t(s){return s>32767?s-65536:s<-32767?s+65536:s}function vt(s,e){let t;const i=[];let r={};return s.forEach((n,a)=>{e&&a>e||((!t||a!==t.unicode+1||n!==t.glyphIndex+1)&&(t?(r.end=t.unicode,i.push(r),r={start:a,startId:n,delta:$t(n-a)}):(r.start=Number(a),r.startId=n,r.delta=$t(n-a))),t={unicode:a,glyphIndex:n})}),t&&(r.end=t.unicode,i.push(r)),i}var Dr=Object.defineProperty,Me=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&Dr(e,t,r),r};const Te=class lr extends he{get endCode(){const e=this.segCountX2;return this.view.seek(14),Array.from({length:e/2},()=>this.view.readUint16())}set endCode(e){this.view.seek(14),e.forEach(t=>this.view.writeUint16(t))}get reservedPad(){return this.view.readUint16(14+this.segCountX2)}set reservedPad(e){this.view.writeUint16(e,14+this.segCountX2)}get startCode(){const e=this.segCountX2;return this.view.seek(14+e+2),Array.from({length:e/2},()=>this.view.readUint16())}set startCode(e){this.view.seek(14+this.segCountX2+2),e.forEach(t=>this.view.writeUint16(t))}get idDelta(){const e=this.segCountX2;return this.view.seek(14+e+2+e),Array.from({length:e/2},()=>this.view.readUint16())}set idDelta(e){const t=this.segCountX2;this.view.seek(14+t+2+t),e.forEach(i=>this.view.writeUint16(i))}get idRangeOffsetCursor(){const e=this.segCountX2;return 14+e+2+e*2}get idRangeOffset(){const e=this.segCountX2;return this.view.seek(this.idRangeOffsetCursor),Array.from({length:e/2},()=>this.view.readUint16())}set idRangeOffset(e){this.view.seek(this.idRangeOffsetCursor),e.forEach(t=>this.view.writeUint16(t))}get glyphIndexArrayCursor(){const e=this.segCountX2;return 14+e+2+e*3}get glyphIndexArray(){const e=this.glyphIndexArrayCursor;this.view.seek(e);const t=(this.view.byteLength-e)/2;return Array.from({length:t},()=>this.view.readUint16())}static from(e){const t=vt(e,65535),i=t.length+1,r=Math.floor(Math.log(i)/Math.LN2),n=2*2**r,a=new lr(new ArrayBuffer(24+t.length*8));return a.format=4,a.length=a.view.byteLength,a.language=0,a.segCountX2=i*2,a.searchRange=n,a.entrySelector=r,a.rangeShift=2*i-n,a.endCode=[...t.map(h=>h.end),65535],a.reservedPad=0,a.startCode=[...t.map(h=>h.start),65535],a.idDelta=[...t.map(h=>h.delta),1],a.idRangeOffset=Array.from({length:i},()=>0),a}getUnicodeToGlyphIndexMap(){const e=new Map,t=this.segCountX2/2,i=(this.glyphIndexArrayCursor-this.idRangeOffsetCursor)/2,r=this.startCode,n=this.endCode,a=this.idRangeOffset,h=this.idDelta,u=this.glyphIndexArray;for(let d=0;d<t;++d)for(let g=r[d],c=n[d];g<=c;++g)if(a[d]===0)e.set(g,(g+h[d])%65536);else{const m=d+a[d]/2+(g-r[d])-i,p=u[m];p!==0?e.set(g,(p+h[d])%65536):e.set(g,0)}return e.delete(65535),e}};Me([l("uint16")],Te.prototype,"format"),Me([l("uint16")],Te.prototype,"length"),Me([l("uint16")],Te.prototype,"language"),Me([l("uint16")],Te.prototype,"segCountX2"),Me([l("uint16")],Te.prototype,"searchRange"),Me([l("uint16")],Te.prototype,"entrySelector"),Me([l("uint16")],Te.prototype,"rangeShift");let wt=Te;var Fr=Object.defineProperty,qe=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&Fr(e,t,r),r};class Pe extends he{get glyphIndexArray(){return this.view.seek(12),Array.from({length:this.entryCount},()=>this.view.readUint16())}getUnicodeToGlyphIndexMap(){const e=this.glyphIndexArray,t=new Map;return e.forEach((i,r)=>{t.set(r,i)}),t}}qe([l("uint16")],Pe.prototype,"format"),qe([l("uint16")],Pe.prototype,"length"),qe([l("uint16")],Pe.prototype,"language"),qe([l("uint16")],Pe.prototype,"firstCode"),qe([l("uint16")],Pe.prototype,"entryCount");var Er=Object.defineProperty,We=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&Er(e,t,r),r};const ke=class fr extends he{get groups(){const e=this.nGroups;return this.view.seek(16),Array.from({length:e},()=>({startCharCode:this.view.readUint32(),endCharCode:this.view.readUint32(),startGlyphCode:this.view.readUint32()}))}static from(e){const t=vt(e),i=new fr(new ArrayBuffer(16+t.length*12));return i.format=12,i.reserved=0,i.length=i.view.byteLength,i.language=0,i.nGroups=t.length,t.forEach(r=>{i.view.writeUint32(r.start),i.view.writeUint32(r.end),i.view.writeUint32(r.startId)}),i}getUnicodeToGlyphIndexMap(){const e=new Map,t=this.groups;for(let i=0,r=t.length;i<r;i++){const n=t[i];let a=n.startGlyphCode,h=n.startCharCode;const u=n.endCharCode;for(;h<=u;)e.set(h++,a++)}return e}};We([l("uint16")],ke.prototype,"format"),We([l("uint16")],ke.prototype,"reserved"),We([l("uint32")],ke.prototype,"length"),We([l("uint32")],ke.prototype,"language"),We([l("uint32")],ke.prototype,"nGroups");let bt=ke;var Lr=Object.defineProperty,Ot=(s,e,t,i)=>{for(var r=void 0,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=a(e,t,r)||r);return r&&Lr(e,t,r),r};class Xe extends he{getVarSelectorRecords(){const e=this.numVarSelectorRecords;return this.view.seek(10),Array.from({length:e},()=>{const t={varSelector:this.view.readUint24(),defaultUVSOffset:this.view.readUint32(),unicodeValueRanges:[],nonDefaultUVSOffset:this.view.readUint32(),uVSMappings:[]};if(t.defaultUVSOffset){this.view.seek(t.defaultUVSOffset);const i=this.view.readUint32();t.unicodeValueRanges=Array.from({length:i},()=>({startUnicodeValue:this.view.readUint24(),additionalCount:this.view.readUint8()}))}if(t.nonDefaultUVSOffset){this.view.seek(t.nonDefaultUVSOffset);const i=this.view.readUint32();t.uVSMappings=Array.from({length:i},()=>({unicodeValue:this.view.readUint24(),glyphID:this.view.readUint16()}))}return t})}getUnicodeToGlyphIndexMap(){const e=new Map,t=this.getVarSelectorRecords();for(let i=0,r=t.length;i<r;i++){const{uVSMappings:n}=t[i];n.forEach(a=>{e.set(a.unicodeValue,a.glyphID)})}return e}}Ot([l("uint16")],Xe.prototype,"format"),Ot([l("uint32")],Xe.prototype,"length"),Ot([l("uint32")],Xe.prototype,"numVarSelectorRecords");var Gr=Object.defineProperty,kr=Object.getOwnPropertyDescriptor,St=(s,e,t,i)=>{for(var r=i>1?void 0:i?kr(e,t):e,n=s.length-1,a;n>=0;n--)(a=s[n])&&(r=(i?a(e,t,r):a(r))||r);return i&&r&&Gr(e,t,r),r};o.Cmap=class extends re{static from(e){const t=Array.from(e.keys()).some(c=>c>65535),i=wt.from(e),r=gt.from(e),n=t?bt.from(e):void 0,a=4+(n?32:24),h=a+i.view.byteLength,u=h+r.view.byteLength,d=[{platformID:0,platformSpecificID:3,offset:a},{platformID:1,platformSpecificID:0,offset:h},{platformID:3,platformSpecificID:1,offset:a},n&&{platformID:3,platformSpecificID:10,offset:u}].filter(Boolean),g=new o.Cmap(new ArrayBuffer(4+8*d.length+i.view.byteLength+r.view.byteLength+(n?.view.byteLength??0)));return g.numberSubtables=d.length,g.view.seek(4),d.forEach(c=>{g.view.writeUint16(c.platformID),g.view.writeUint16(c.platformSpecificID),g.view.writeUint32(c.offset)}),g.view.writeBytes(i.view,a),g.view.writeBytes(r.view,h),n&&g.view.writeBytes(n.view,u),g}_unicodeToGlyphIndexMap;get unicodeToGlyphIndexMap(){return this._unicodeToGlyphIndexMap??=this.readunicodeToGlyphIndexMap()}_glyphIndexToUnicodesMap;get glyphIndexToUnicodesMap(){if(!this._glyphIndexToUnicodesMap){const e=new Map,t=this.unicodeToGlyphIndexMap,i=Array.from(t.keys());for(let r=0,n=i.length;r<n;r++){const a=i[r],h=t.get(a);e.has(h)?e.get(h).push(a):e.set(h,[a])}this._glyphIndexToUnicodesMap=e}return this._glyphIndexToUnicodesMap}readSubtables(){const e=this.numberSubtables;return this.view.seek(4),Array.from({length:e},()=>({platformID:this.view.readUint16(),platformSpecificID:this.view.readUint16(),offset:this.view.readUint32()})).map(t=>{this.view.seek(t.offset);const i=this.view.readUint16();let r;switch(i){case 0:r=new gt(this.view.buffer,t.offset);break;case 2:r=new ze(this.view.buffer,t.offset,this.view.readUint16());break;case 4:r=new wt(this.view.buffer,t.offset,this.view.readUint16());break;case 6:r=new Pe(this.view.buffer,t.offset,this.view.readUint16());break;case 12:r=new bt(this.view.buffer,t.offset,this.view.readUint32(t.offset+4));break;case 14:default:r=new Xe(this.view.buffer,t.offset,this.view.readUint32());break}return{...t,format:i,view:r}})}readunicodeToGlyphIndexMap(){const e=this.readSubtables(),t=e.find(h=>h.format===0)?.view,i=e.find(h=>h.platformID===3&&h.platformSpecificID===3&&h.format===2)?.view,r=e.find(h=>h.platformID===3&&h.platformSpecificID===1&&h.format===4)?.view,n=e.find(h=>h.platformID===3&&h.platformSpecificID===10&&h.format===12)?.view,a=e.find(h=>h.platformID===0&&h.platformSpecificID===5&&h.format===14)?.view;return new Map([...t?.getUnicodeToGlyphIndexMap()??[],...i?.getUnicodeToGlyphIndexMap(this._sfnt.maxp.numGlyphs)??[],...r?.getUnicodeToGlyphIndexMap()??[],...n?.getUnicodeToGlyphIndexMap()??[],...a?.getUnicodeToGlyphIndexMap()??[]])}},St([l("uint16")],o.Cmap.prototype,"version",2),St([l("uint16")],o.Cmap.prototype,"numberSubtables",2),o.Cmap=St([Q("cmap")],o.Cmap);class Vr extends pt{_parseContours(e){const t=[];let i=[];for(let r=0;r<e.length;r+=1){const n=e[r];i.push(n),n.lastPointOfContour&&(t.push(i),i=[])}return $e(i.length===0,"There are still points left in the current contour."),t}_transformPoints(e,t){const i=[];for(let r=0;r<e.length;r+=1){const n=e[r],a={x:t.xScale*n.x+t.scale10*n.y+t.dx,y:t.scale01*n.x+t.yScale*n.y+t.dy,onCurve:n.onCurve,lastPointOfContour:n.lastPointOfContour};i.push(a)}return i}_parseGlyphCoordinate(e,t,i,r,n){let a;return(t&r)>0?(a=e.view.readUint8(),(t&n)===0&&(a=-a),a=i+a):(t&n)>0?a=i:a=i+e.view.readInt16(),a}parse(e,t,i){e.view.seek(t);const r=this.numberOfContours=e.view.readInt16();if(this.xMin=e.view.readInt16(),this.yMin=e.view.readInt16(),this.xMax=e.view.readInt16(),this.yMax=e.view.readInt16(),r>0){const h=this.endPointIndices=[];for(let v=0;v<r;v++)h.push(e.view.readUint16());const u=this.instructionLength=e.view.readUint16();$e(u<5e3,`Bad instructionLength:${u}`);const d=this.instructions=[];for(let v=0;v<u;++v)d.push(e.view.readUint8());const g=e.view.byteOffset,c=h[h.length-1]+1;$e(c<2e4,`Bad numberOfCoordinates:${g}`);const m=[];let p,y=0;for(;y<c;)if(p=e.view.readUint8(),m.push(p),y++,p&8&&y<c){const v=e.view.readUint8();for(let f=0;f<v;f++)m.push(p),y++}if($e(m.length===c,`Bad flags length: ${m.length}, numberOfCoordinates: ${c}`),h.length>0){const v=[];let f;if(c>0){for(let S=0;S<c;S+=1)p=m[S],f={},f.onCurve=!!(p&1),f.lastPointOfContour=h.includes(S),v.push(f);let A=0;for(let S=0;S<c;S+=1)p=m[S],f=v[S],f.x=this._parseGlyphCoordinate(e,p,A,2,16),A=f.x;let U=0;for(let S=0;S<c;S+=1)p=m[S],f=v[S],f.y=this._parseGlyphCoordinate(e,p,U,4,32),U=f.y}this.points=v}else this.points=[]}else if(r===0)this.points=[];else{this.isComposite=!0,this.points=[],this.components=[];let h,u=!0;for(;u;){h=e.view.readUint16();const d={glyphIndex:e.view.readUint16(),xScale:1,scale01:0,scale10:0,yScale:1,dx:0,dy:0};(h&1)>0?(h&2)>0?(d.dx=e.view.readInt16(),d.dy=e.view.readInt16()):d.matchedPoints=[e.view.readUint16(),e.view.readUint16()]:(h&2)>0?(d.dx=e.view.readInt8(),d.dy=e.view.readInt8()):d.matchedPoints=[e.view.readUint8(),e.view.readUint8()],(h&8)>0?d.xScale=d.yScale=e.view.readInt16()/16384:(h&64)>0?(d.xScale=e.view.readInt16()/16384,d.yScale=e.view.readInt16()/16384):(h&128)>0&&(d.xScale=e.view.readInt16()/16384,d.scale01=e.v